Initial commit

.gitignore

@@ -0,0 +1,9 @@
+__pycache__/
+*.pyc
+*.pyo
+.env
+db.sqlite3
+media/
+staticfiles/
+venv/
+.venv/

Procfile.tailwind

@@ -0,0 +1,2 @@
+django: python manage.py runserver
+tailwind: python manage.py tailwind start

accounts/admin.py

@@ -0,0 +1,34 @@
+from django.contrib import admin
+from .models import Role, UserProfile
+
+
+@admin.register(Role)
+class RoleAdmin(admin.ModelAdmin):
+
+    list_display = [
+        "name",
+    ]
+
+    search_fields = [
+        "name",
+    ]
+
+
+@admin.register(UserProfile)
+class UserProfileAdmin(admin.ModelAdmin):
+
+    list_display = [
+        "user",
+        "role",
+    ]
+
+    list_filter = [
+        "role",
+    ]
+
+    search_fields = [
+        "user__username",
+        "user__first_name",
+        "user__last_name",
+        "user__email",
+    ]

accounts/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class AccountsConfig(AppConfig):
+    name = 'accounts'

accounts/decorators.py

@@ -0,0 +1,50 @@
+from functools import wraps
+
+from django.shortcuts import redirect
+from django.contrib import messages
+
+
+def permission_required(permission):
+
+    def decorator(view_func):
+
+        @wraps(view_func)
+        def wrapper(request, *args, **kwargs):
+
+            # Superuser haben alles
+            if request.user.is_superuser:
+                return view_func(
+                    request,
+                    *args,
+                    **kwargs
+                )
+
+
+            profile = getattr(
+                request.user,
+                "profile",
+                None
+            )
+
+
+            if profile and profile.has_permission(permission):
+
+                return view_func(
+                    request,
+                    *args,
+                    **kwargs
+                )
+
+
+            messages.error(
+                request,
+                "Keine Berechtigung für diese Aktion!"
+            )
+
+
+            return redirect("core:dashboard")
+
+
+        return wrapper
+
+    return decorator

accounts/forms.py

@@ -0,0 +1,61 @@
+from django import forms
+from django.contrib.auth.models import User
+from .models import Role
+from core.forms.base import BaseForm
+
+class UserAddForm(BaseForm):
+
+    password = forms.CharField(
+        label="Passwort",
+        widget=forms.PasswordInput
+    )
+
+    role = forms.ModelChoiceField(
+        queryset=Role.objects.order_by("name"),
+        required=False,
+        label="Rolle"
+    )
+
+    class Meta:
+        model = User
+
+        fields = [
+            "username",
+            "first_name",
+            "last_name",
+            "email",
+        ]
+
+        labels = {
+            "username": "Benutzername",
+            "first_name": "Vorname",
+            "last_name": "Nachname",
+            "email": "E-Mail",
+        }
+
+        help_texts = {
+            "username": "",
+        }
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.apply_style()
+
+
+class RoleForm(BaseForm):
+
+    class Meta:
+        model = Role
+
+        fields = [
+            "name",
+        ]
+
+        labels = {
+            "name": "Rollenname",
+        }
+
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.apply_style()

accounts/migrations/0001_initial.py

@@ -0,0 +1,97 @@
+# Generated by Django 6.0.6 on 2026-06-23 22:12
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Role',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100, unique=True, verbose_name='Rolle')),
+                ('projects_view', models.BooleanField(default=False, help_text='Benutzer darf Projekte einsehen.', verbose_name='Projekte anzeigen')),
+                ('projects_archived_view', models.BooleanField(default=False, help_text='Benutzer darf archivierte Projekte einsehen.', verbose_name='Archivierte Projekte anzeigen')),
+                ('projects_detail_view', models.BooleanField(default=False, help_text='Benutzer darf Details des Projekts einsehen.', verbose_name='Projektdetails anzeigen')),
+                ('projects_add', models.BooleanField(default=False, help_text='Benutzer darf neue Projekte anlegen.', verbose_name='Projekt erstellen')),
+                ('projects_contact_add', models.BooleanField(default=False, help_text='Benutzer darf Kontakte mit dem Projekt verknüpfen.', verbose_name='Projektkontakt verknüpfen')),
+                ('projects_contact_delete', models.BooleanField(default=False, help_text='Benutzer darf Kontakte aus dem Projekt entfernen.', verbose_name='Projektkontakt entfernen')),
+                ('projects_location_add', models.BooleanField(default=False, help_text='Benutzer darf Standorte mit dem Projekt verknüpfen.', verbose_name='Projektstandort verknüpfen')),
+                ('projects_location_delete', models.BooleanField(default=False, help_text='Benutzer darf Standorte aus dem Projekt entfernen.', verbose_name='Projektstandort entfernen')),
+                ('projects_edit', models.BooleanField(default=False, help_text='Benutzer darf Projekte ändern.', verbose_name='Projekte bearbeiten')),
+                ('projects_user_add', models.BooleanField(default=False, help_text='Benutzer darf Mitarbeiter im Projekt hinzufügen.', verbose_name='Projektmitarbeiter erstellen')),
+                ('projects_user_delete', models.BooleanField(default=False, help_text='Benutzer darf Mitarbeiter aus dem Projekt entfernen.', verbose_name='Projektmitarbeiter entfernen')),
+                ('projects_finance_view', models.BooleanField(default=False, help_text='Benutzer darf Projektfinanzen einsehen.', verbose_name='Projektfinanzen anzeigen')),
+                ('projects_finance_income_add', models.BooleanField(default=False, help_text='Benutzer darf Einnahmen hinzufügen.', verbose_name='Projekteinnahmen erfassen')),
+                ('projects_finance_expense_add', models.BooleanField(default=False, help_text='Benutzer darf Ausgaben hinzufügen.', verbose_name='Projektausgaben erfassen')),
+                ('projects_time_tracking_view', models.BooleanField(default=False, help_text='Benutzer darf Projektzeiten sehen.', verbose_name='Projektzeiten anzeigen')),
+                ('projects_time_tracking_edit', models.BooleanField(default=False, help_text='Benutzer darf Projektzeiten ändern.', verbose_name='Projektzeiten bearbeiten')),
+                ('projects_time_tracking_delete', models.BooleanField(default=False, help_text='Benutzer darf Projektzeiten löschen.', verbose_name='Projektzeiten löschen')),
+                ('projects_documents_view', models.BooleanField(default=False, help_text='Benutzer darf Dokumente sehen.', verbose_name='Projektdokumente anzeigen')),
+                ('projects_documents_add', models.BooleanField(default=False, help_text='Benutzer darf Dokumente hochladen.', verbose_name='Projektdokumente hinzufügen')),
+                ('projects_documents_delete', models.BooleanField(default=False, help_text='Benutzer darf Dokumente löschen.', verbose_name='Projektdokumente löschen')),
+                ('projects_inventory_inventory_view', models.BooleanField(default=False, help_text='Benutzer darf Projektinventar sehen.', verbose_name='Projektinventar anzeigen')),
+                ('projects_inventory_inventory_add', models.BooleanField(default=False, help_text='Benutzer darf Inventar hinzufügen.', verbose_name='Projektinventar hinzufügen')),
+                ('projects_inventory_inventory_edit', models.BooleanField(default=False, help_text='Benutzer darf Inventar ändern.', verbose_name='Projektinventar bearbeiten')),
+                ('projects_inventory_inventory_delete', models.BooleanField(default=False, help_text='Benutzer darf Inventar löschen.', verbose_name='Projektinventar löschen')),
+                ('projects_inventory_shopping_add', models.BooleanField(default=False, help_text='Benutzer darf Einkaufspositionen erstellen.', verbose_name='Einkauf hinzufügen')),
+                ('projects_inventory_shopping_edit', models.BooleanField(default=False, help_text='Benutzer darf Einkaufspositionen ändern.', verbose_name='Einkauf bearbeiten')),
+                ('projects_inventory_shopping_delete', models.BooleanField(default=False, help_text='Benutzer darf Einkaufspositionen löschen.', verbose_name='Einkauf löschen')),
+                ('inventory_view', models.BooleanField(default=False, help_text='Benutzer darf Inventar einsehen.', verbose_name='Inventar anzeigen')),
+                ('inventory_add', models.BooleanField(default=False, help_text='Benutzer darf Inventareinträge erstellen.', verbose_name='Inventar hinzufügen')),
+                ('inventory_edit', models.BooleanField(default=False, help_text='Benutzer darf Inventareinträge ändern.', verbose_name='Inventar bearbeiten')),
+                ('inventory_delete', models.BooleanField(default=False, help_text='Benutzer darf Inventareinträge löschen.', verbose_name='Inventar löschen')),
+                ('invoices_view', models.BooleanField(default=False, help_text='Benutzer darf Rechnungen verwalten.', verbose_name='Rechnungsbereich anzeigen')),
+                ('invoices_customers_view', models.BooleanField(default=False, help_text='Benutzer darf Kunden sehen.', verbose_name='Kunden anzeigen')),
+                ('invoices_customers_detail_view', models.BooleanField(default=False, help_text='Benutzer darf Details des Kunden sehen.', verbose_name='Kundendetails anzeigen')),
+                ('invoices_customers_add', models.BooleanField(default=False, help_text='Benutzer darf Kunden anlegen.', verbose_name='Kunden erstellen')),
+                ('invoices_customers_edit', models.BooleanField(default=False, help_text='Benutzer darf Kunden ändern.', verbose_name='Kunden bearbeiten')),
+                ('invoices_customers_archive', models.BooleanField(default=False, help_text='Benutzer darf Kunden archivieren.', verbose_name='Kunden archivieren')),
+                ('invoices_customers_activate', models.BooleanField(default=False, help_text='Benutzer darf Kunden wieder aktivieren.', verbose_name='Kunden reaktivieren')),
+                ('invoices_items_view', models.BooleanField(default=False, help_text='Benutzer darf Artikel sehen.', verbose_name='Artikel anzeigen')),
+                ('invoices_items_add', models.BooleanField(default=False, help_text='Benutzer darf Artikel erstellen.', verbose_name='Artikel erstellen')),
+                ('invoices_items_edit', models.BooleanField(default=False, help_text='Benutzer darf Artikel ändern.', verbose_name='Artikel bearbeiten')),
+                ('invoices_items_delete', models.BooleanField(default=False, help_text='Benutzer darf Artikel löschen.', verbose_name='Artikel löschen')),
+                ('invoices_invoices_view', models.BooleanField(default=False, help_text='Benutzer darf Rechnungen sehen.', verbose_name='Rechnungen anzeigen')),
+                ('invoices_invoices_project_add', models.BooleanField(default=False, help_text='Benutzer darf Rechnungen aus Projekten erstellen.', verbose_name='Projekt-Rechnung erstellen')),
+                ('invoices_invoices_customer_add', models.BooleanField(default=False, help_text='Benutzer darf Rechnungen für Kunden erstellen.', verbose_name='Kunden-Rechnung erstellen')),
+                ('invoices_invoices_invoices_view', models.BooleanField(default=False, help_text='Benutzer darf Rechnungsdetails sehen.', verbose_name='Rechnungsdetails anzeigen')),
+                ('invoices_invoices_invoices_item_add', models.BooleanField(default=False, help_text='Benutzer darf Positionen hinzufügen.', verbose_name='Rechnungsposition hinzufügen')),
+                ('invoices_invoices_invoices_item_delete', models.BooleanField(default=False, help_text='Benutzer darf Positionen löschen.', verbose_name='Rechnungsposition löschen')),
+                ('invoices_invoices_invoices_preview', models.BooleanField(default=False, help_text='Benutzer darf Vorschauen öffnen.', verbose_name='Rechnungsvorschau anzeigen')),
+                ('users_view', models.BooleanField(default=False, help_text='Benutzer darf Mitarbeiter sehen.', verbose_name='Benutzer anzeigen')),
+                ('users_add', models.BooleanField(default=False, help_text='Benutzer darf neue Mitarbeiter anlegen.', verbose_name='Benutzer erstellen')),
+                ('users_edit', models.BooleanField(default=False, help_text='Benutzer darf Mitarbeiter bearbeiten.', verbose_name='Benutzer bearbeiten')),
+                ('users_archive', models.BooleanField(default=False, help_text='Benutzer darf Mitarbeiter deaktivieren.', verbose_name='Benutzer archivieren')),
+                ('users_activate', models.BooleanField(default=False, help_text='Benutzer darf Mitarbeiter aktivieren.', verbose_name='Benutzer aktivieren')),
+                ('users_groups_add', models.BooleanField(default=False, help_text='Benutzer darf neue Rollen erstellen.', verbose_name='Rollen erstellen')),
+                ('users_groups_edit', models.BooleanField(default=False, help_text='Benutzer darf Rollen und Berechtigungen ändern.', verbose_name='Rollen bearbeiten')),
+                ('users_groups_delete', models.BooleanField(default=False, help_text='Benutzer darf Rollen entfernen.', verbose_name='Rollen löschen')),
+                ('settings_view', models.BooleanField(default=False, help_text='Benutzer darf Einstellungskategorien sehen.', verbose_name='Einstellungsübersicht anzeigen')),
+                ('settings_detail_view', models.BooleanField(default=False, help_text='Benutzer darf Systemeinstellungen sehen.', verbose_name='Einstellungen anzeigen')),
+                ('settings_add', models.BooleanField(default=False, help_text='Benutzer darf neue Einstellungen hinzufügen.', verbose_name='Einstellungen erstellen')),
+                ('settings_delete', models.BooleanField(default=False, help_text='Benutzer darf Einstellungen entfernen.', verbose_name='Einstellungen löschen')),
+            ],
+            options={
+                'verbose_name': 'Rolle',
+                'verbose_name_plural': 'Rollen',
+            },
+        ),
+        migrations.CreateModel(
+            name='UserProfile',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('role', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='accounts.role')),
+                ('user', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='profile', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

accounts/migrations/0002_role_invoices_invoices_invoices_download.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.6 on 2026-06-23 23:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='role',
+            name='invoices_invoices_invoices_download',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Rechnungen herunterladen.', verbose_name='Rechnung herunterladen'),
+        ),
+    ]

accounts/migrations/0003_role_invoices_invoices_invoices_cancel.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.6 on 2026-06-24 08:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0002_role_invoices_invoices_invoices_download'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='role',
+            name='invoices_invoices_invoices_cancel',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Rechnungen stornieren.', verbose_name='Rechnung stornieren'),
+        ),
+    ]

accounts/migrations/0004_role_invoices_invoices_invoices_cancel_download.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.6 on 2026-06-24 09:13
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0003_role_invoices_invoices_invoices_cancel'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='role',
+            name='invoices_invoices_invoices_cancel_download',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Stornorechnungen herunterladen.', verbose_name='Stornorechnung Download'),
+        ),
+    ]

accounts/migrations/0005_remove_role_invoices_invoices_invoices_cancel_download_and_more.py

@@ -0,0 +1,22 @@
+# Generated by Django 6.0.6 on 2026-06-24 13:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0004_role_invoices_invoices_invoices_cancel_download'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='role',
+            name='invoices_invoices_invoices_cancel_download',
+        ),
+        migrations.AddField(
+            model_name='role',
+            name='invoices_invoices_invoices_paid',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Rechnungsstatus ändern.', verbose_name='Rechnung auf bezahlt setzen'),
+        ),
+    ]

accounts/migrations/0006_role_invoices_offers_add_and_more.py

@@ -0,0 +1,53 @@
+# Generated by Django 6.0.6 on 2026-06-25 16:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0005_remove_role_invoices_invoices_invoices_cancel_download_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='role',
+            name='invoices_offers_add',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Angebote für Kunden erstellen.', verbose_name='Angebot erstellen'),
+        ),
+        migrations.AddField(
+            model_name='role',
+            name='invoices_offers_offers_download',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Angebote herunterladen.', verbose_name='Angebot herunterladen'),
+        ),
+        migrations.AddField(
+            model_name='role',
+            name='invoices_offers_offers_item_add',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Positionen hinzufügen.', verbose_name='Angebotsposition hinzufügen'),
+        ),
+        migrations.AddField(
+            model_name='role',
+            name='invoices_offers_offers_item_delete',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Positionen löschen.', verbose_name='Angebotsposition löschen'),
+        ),
+        migrations.AddField(
+            model_name='role',
+            name='invoices_offers_offers_preview',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Vorschauen öffnen.', verbose_name='Angebotsvorschau anzeigen'),
+        ),
+        migrations.AddField(
+            model_name='role',
+            name='invoices_offers_offers_status',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Angebotsstatus ändern.', verbose_name='Angebotsstatus bearbeiten'),
+        ),
+        migrations.AddField(
+            model_name='role',
+            name='invoices_offers_offers_view',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Angebotsdetails sehen.', verbose_name='Angebotsdetails anzeigen'),
+        ),
+        migrations.AddField(
+            model_name='role',
+            name='invoices_offers_view',
+            field=models.BooleanField(default=False, help_text='Benutzer darf Angebote sehen.', verbose_name='Angebote anzeigen'),
+        ),
+    ]

accounts/models.py

@@ -0,0 +1,193 @@
+from django.db import models
+from django.contrib.auth.models import User
+
+class Role(models.Model):
+
+    name = models.CharField(
+        max_length=100,
+        unique=True,
+        verbose_name="Rolle"
+    )
+
+    projects_view = models.BooleanField(default=False, verbose_name="Projekte anzeigen", help_text="Benutzer darf Projekte einsehen.")
+    projects_archived_view = models.BooleanField(default=False, verbose_name="Archivierte Projekte anzeigen", help_text="Benutzer darf archivierte Projekte einsehen.")
+    projects_detail_view = models.BooleanField(default=False, verbose_name="Projektdetails anzeigen", help_text="Benutzer darf Details des Projekts einsehen.")
+    projects_add = models.BooleanField(default=False, verbose_name="Projekt erstellen", help_text="Benutzer darf neue Projekte anlegen.")
+    projects_contact_add = models.BooleanField(default=False, verbose_name="Projektkontakt verknüpfen", help_text="Benutzer darf Kontakte mit dem Projekt verknüpfen.")
+    projects_contact_delete = models.BooleanField(default=False, verbose_name="Projektkontakt entfernen", help_text="Benutzer darf Kontakte aus dem Projekt entfernen.")
+    projects_location_add = models.BooleanField(default=False, verbose_name="Projektstandort verknüpfen", help_text="Benutzer darf Standorte mit dem Projekt verknüpfen.")
+    projects_location_delete = models.BooleanField(default=False, verbose_name="Projektstandort entfernen", help_text="Benutzer darf Standorte aus dem Projekt entfernen.")
+    projects_edit = models.BooleanField(default=False, verbose_name="Projekte bearbeiten", help_text="Benutzer darf Projekte ändern.")
+
+    projects_user_add = models.BooleanField(default=False, verbose_name="Projektmitarbeiter erstellen", help_text="Benutzer darf Mitarbeiter im Projekt hinzufügen.")
+    projects_user_delete = models.BooleanField(default=False, verbose_name="Projektmitarbeiter entfernen", help_text="Benutzer darf Mitarbeiter aus dem Projekt entfernen.")
+
+    projects_finance_view = models.BooleanField(default=False, verbose_name="Projektfinanzen anzeigen", help_text="Benutzer darf Projektfinanzen einsehen.")
+    projects_finance_income_add = models.BooleanField(default=False, verbose_name="Projekteinnahmen erfassen", help_text="Benutzer darf Einnahmen hinzufügen.")
+    projects_finance_expense_add = models.BooleanField(default=False, verbose_name="Projektausgaben erfassen", help_text="Benutzer darf Ausgaben hinzufügen.")
+
+    projects_time_tracking_view = models.BooleanField(default=False, verbose_name="Projektzeiten anzeigen", help_text="Benutzer darf Projektzeiten sehen.")
+    projects_time_tracking_edit = models.BooleanField(default=False, verbose_name="Projektzeiten bearbeiten", help_text="Benutzer darf Projektzeiten ändern.")
+    projects_time_tracking_delete = models.BooleanField(default=False, verbose_name="Projektzeiten löschen", help_text="Benutzer darf Projektzeiten löschen.")
+
+    projects_documents_view = models.BooleanField(default=False, verbose_name="Projektdokumente anzeigen", help_text="Benutzer darf Dokumente sehen.")
+    projects_documents_add = models.BooleanField(default=False, verbose_name="Projektdokumente hinzufügen", help_text="Benutzer darf Dokumente hochladen.")
+    projects_documents_delete = models.BooleanField(default=False, verbose_name="Projektdokumente löschen", help_text="Benutzer darf Dokumente löschen.")
+
+    projects_inventory_inventory_view = models.BooleanField(default=False, verbose_name="Projektinventar anzeigen", help_text="Benutzer darf Projektinventar sehen.")
+    projects_inventory_inventory_add = models.BooleanField(default=False, verbose_name="Projektinventar hinzufügen", help_text="Benutzer darf Inventar hinzufügen.")
+    projects_inventory_inventory_edit = models.BooleanField(default=False, verbose_name="Projektinventar bearbeiten", help_text="Benutzer darf Inventar ändern.")
+    projects_inventory_inventory_delete = models.BooleanField(default=False, verbose_name="Projektinventar löschen", help_text="Benutzer darf Inventar löschen.")
+
+    projects_inventory_shopping_add = models.BooleanField(default=False, verbose_name="Einkauf hinzufügen", help_text="Benutzer darf Einkaufspositionen erstellen.")
+    projects_inventory_shopping_edit = models.BooleanField(default=False, verbose_name="Einkauf bearbeiten", help_text="Benutzer darf Einkaufspositionen ändern.")
+    projects_inventory_shopping_delete = models.BooleanField(default=False, verbose_name="Einkauf löschen", help_text="Benutzer darf Einkaufspositionen löschen.")
+    #projects_inventory_shopping_buy = models.BooleanField(default=False, verbose_name="Einkäufe durchführen", help_text="Benutzer darf Einkäufe als erledigt markieren.")
+
+
+    # =====================
+    # Inventar
+    # =====================
+    inventory_view = models.BooleanField(default=False, verbose_name="Inventar anzeigen", help_text="Benutzer darf Inventar einsehen.")
+    inventory_add = models.BooleanField(default=False, verbose_name="Inventar hinzufügen", help_text="Benutzer darf Inventareinträge erstellen.")
+    inventory_edit = models.BooleanField(default=False, verbose_name="Inventar bearbeiten", help_text="Benutzer darf Inventareinträge ändern.")
+    inventory_delete = models.BooleanField(default=False, verbose_name="Inventar löschen", help_text="Benutzer darf Inventareinträge löschen.")
+
+
+    # =====================
+    # Rechnungen
+    # =====================
+    invoices_view = models.BooleanField(default=False, verbose_name="Rechnungsbereich anzeigen", help_text="Benutzer darf Rechnungen verwalten.")
+
+    invoices_customers_view = models.BooleanField(default=False, verbose_name="Kunden anzeigen", help_text="Benutzer darf Kunden sehen.")
+    invoices_customers_detail_view = models.BooleanField(default=False, verbose_name="Kundendetails anzeigen", help_text="Benutzer darf Details des Kunden sehen.")
+    invoices_customers_add = models.BooleanField(default=False, verbose_name="Kunden erstellen", help_text="Benutzer darf Kunden anlegen.")
+    invoices_customers_edit = models.BooleanField(default=False, verbose_name="Kunden bearbeiten", help_text="Benutzer darf Kunden ändern.")
+    invoices_customers_archive = models.BooleanField(default=False, verbose_name="Kunden archivieren", help_text="Benutzer darf Kunden archivieren.")
+    invoices_customers_activate = models.BooleanField(default=False, verbose_name="Kunden reaktivieren", help_text="Benutzer darf Kunden wieder aktivieren.")
+
+    invoices_items_view = models.BooleanField(default=False, verbose_name="Artikel anzeigen", help_text="Benutzer darf Artikel sehen.")
+    invoices_items_add = models.BooleanField(default=False, verbose_name="Artikel erstellen", help_text="Benutzer darf Artikel erstellen.")
+    invoices_items_edit = models.BooleanField(default=False, verbose_name="Artikel bearbeiten", help_text="Benutzer darf Artikel ändern.")
+    invoices_items_delete = models.BooleanField(default=False, verbose_name="Artikel löschen", help_text="Benutzer darf Artikel löschen.")
+
+    invoices_invoices_view = models.BooleanField(default=False, verbose_name="Rechnungen anzeigen", help_text="Benutzer darf Rechnungen sehen.")
+    invoices_invoices_project_add = models.BooleanField(default=False, verbose_name="Projekt-Rechnung erstellen", help_text="Benutzer darf Rechnungen aus Projekten erstellen.")
+    invoices_invoices_customer_add = models.BooleanField(default=False, verbose_name="Kunden-Rechnung erstellen", help_text="Benutzer darf Rechnungen für Kunden erstellen.")
+    invoices_invoices_invoices_view = models.BooleanField(default=False, verbose_name="Rechnungsdetails anzeigen", help_text="Benutzer darf Rechnungsdetails sehen.")
+    invoices_invoices_invoices_item_add = models.BooleanField(default=False, verbose_name="Rechnungsposition hinzufügen", help_text="Benutzer darf Positionen hinzufügen.")
+    invoices_invoices_invoices_item_delete = models.BooleanField(default=False, verbose_name="Rechnungsposition löschen", help_text="Benutzer darf Positionen löschen.")
+    invoices_invoices_invoices_preview = models.BooleanField(default=False, verbose_name="Rechnungsvorschau anzeigen", help_text="Benutzer darf Vorschauen öffnen.")
+    invoices_invoices_invoices_download = models.BooleanField(default=False, verbose_name="Rechnung herunterladen", help_text="Benutzer darf Rechnungen herunterladen.")
+    invoices_invoices_invoices_cancel = models.BooleanField(default=False, verbose_name="Rechnung stornieren", help_text="Benutzer darf Rechnungen stornieren.")
+    invoices_invoices_invoices_paid = models.BooleanField(default=False, verbose_name="Rechnung auf bezahlt setzen", help_text="Benutzer darf Rechnungsstatus ändern.")
+    
+
+    invoices_offers_view = models.BooleanField(default=False, verbose_name="Angebote anzeigen", help_text="Benutzer darf Angebote sehen.")
+    invoices_offers_add = models.BooleanField(default=False, verbose_name="Angebot erstellen", help_text="Benutzer darf Angebote für Kunden erstellen.")
+    invoices_offers_offers_view = models.BooleanField(default=False, verbose_name="Angebotsdetails anzeigen", help_text="Benutzer darf Angebotsdetails sehen.")
+    invoices_offers_offers_item_add = models.BooleanField(default=False, verbose_name="Angebotsposition hinzufügen", help_text="Benutzer darf Positionen hinzufügen.")
+    invoices_offers_offers_item_delete = models.BooleanField(default=False, verbose_name="Angebotsposition löschen", help_text="Benutzer darf Positionen löschen.")
+    invoices_offers_offers_preview = models.BooleanField(default=False, verbose_name="Angebotsvorschau anzeigen", help_text="Benutzer darf Vorschauen öffnen.")
+    invoices_offers_offers_download = models.BooleanField(default=False, verbose_name="Angebot herunterladen", help_text="Benutzer darf Angebote herunterladen.")
+    invoices_offers_offers_status = models.BooleanField(default=False, verbose_name="Angebotsstatus bearbeiten", help_text="Benutzer darf Angebotsstatus ändern.")
+    
+    
+
+
+    # =====================
+    # Benutzerverwaltung
+    # =====================
+    users_view = models.BooleanField(default=False, verbose_name="Benutzer anzeigen", help_text="Benutzer darf Mitarbeiter sehen.")
+    users_add = models.BooleanField(default=False, verbose_name="Benutzer erstellen", help_text="Benutzer darf neue Mitarbeiter anlegen.")
+    users_edit = models.BooleanField(default=False, verbose_name="Benutzer bearbeiten", help_text="Benutzer darf Mitarbeiter bearbeiten.")
+    users_archive = models.BooleanField(default=False, verbose_name="Benutzer archivieren", help_text="Benutzer darf Mitarbeiter deaktivieren.")
+    users_activate = models.BooleanField(default=False, verbose_name="Benutzer aktivieren", help_text="Benutzer darf Mitarbeiter aktivieren.")
+
+    users_groups_add = models.BooleanField(default=False, verbose_name="Rollen erstellen", help_text="Benutzer darf neue Rollen erstellen.")
+    users_groups_edit = models.BooleanField(default=False, verbose_name="Rollen bearbeiten", help_text="Benutzer darf Rollen und Berechtigungen ändern.")
+    users_groups_delete = models.BooleanField(default=False, verbose_name="Rollen löschen", help_text="Benutzer darf Rollen entfernen.")
+
+
+    # =====================
+    # Einstellungen
+    # =====================
+    settings_view = models.BooleanField(default=False, verbose_name="Einstellungsübersicht anzeigen", help_text="Benutzer darf Einstellungskategorien sehen.")
+    settings_detail_view = models.BooleanField(default=False, verbose_name="Einstellungen anzeigen", help_text="Benutzer darf Systemeinstellungen sehen.")
+    settings_add = models.BooleanField(default=False, verbose_name="Einstellungen erstellen", help_text="Benutzer darf neue Einstellungen hinzufügen.")
+    #settings_edit = models.BooleanField(default=False, verbose_name="Einstellungen bearbeiten", help_text="Benutzer darf Einstellungen ändern.")
+    settings_delete = models.BooleanField(default=False, verbose_name="Einstellungen löschen", help_text="Benutzer darf Einstellungen entfernen.")
+
+
+    # =====================
+    # Zeiterfassung
+    # =====================
+    #time_tracking_own_view = models.BooleanField(default=False, verbose_name="Eigene Zeiten anzeigen", help_text="Benutzer darf eigene Arbeitszeiten sehen.")
+    #time_tracking_own_add = models.BooleanField(default=False, verbose_name="Eigene Zeiten erfassen", help_text="Benutzer darf eigene Arbeitszeiten hinzufügen.")
+    #time_tracking_own_edit = models.BooleanField(default=False, verbose_name="Eigene Zeiten bearbeiten", help_text="Benutzer darf eigene Arbeitszeiten ändern.")
+    #time_tracking_own_delete = models.BooleanField(default=False, verbose_name="Eigene Zeiten löschen", help_text="Benutzer darf eigene Arbeitszeiten löschen.")
+
+    #time_tracking_all_view = models.BooleanField(default=False, verbose_name="Alle Zeiten anzeigen", help_text="Benutzer darf Arbeitszeiten aller Benutzer sehen.")
+    #time_tracking_all_add = models.BooleanField(default=False, verbose_name="Alle Zeiten erfassen", help_text="Benutzer darf Arbeitszeiten für andere Benutzer hinzufügen.")
+    #time_tracking_all_edit = models.BooleanField(default=False, verbose_name="Alle Zeiten bearbeiten", help_text="Benutzer darf Arbeitszeiten anderer Benutzer ändern.")
+    #time_tracking_all_delete = models.BooleanField(default=False, verbose_name="Alle Zeiten löschen", help_text="Benutzer darf Arbeitszeiten anderer Benutzer löschen.")
+
+
+    # =====================
+    # Finanzen
+    # =====================
+    #finance_view = models.BooleanField(default=False, verbose_name="Finanzen anzeigen", help_text="Benutzer darf Finanzdaten sehen.")
+    #finance_export = models.BooleanField(default=False, verbose_name="Finanzen exportieren", help_text="Benutzer darf Finanzdaten exportieren.")
+
+
+    # =====================
+    # Investments
+    # =====================
+    #invests_view = models.BooleanField(default=False, verbose_name="Investitionen anzeigen", help_text="Benutzer darf Investitionen sehen.")
+    #invests_add = models.BooleanField(default=False, verbose_name="Investitionen erstellen", help_text="Benutzer darf neue Investitionen anlegen.")
+    #invests_edit = models.BooleanField(default=False, verbose_name="Investitionen bearbeiten", help_text="Benutzer darf Investitionen ändern.")
+    #invests_delete = models.BooleanField(default=False, verbose_name="Investitionen löschen", help_text="Benutzer darf Investitionen entfernen.")
+
+
+    class Meta:
+        verbose_name = "Rolle"
+        verbose_name_plural = "Rollen"
+
+    def __str__(self):
+        return self.name
+
+
+
+
+class UserProfile(models.Model):
+
+    user = models.OneToOneField(
+        User,
+        on_delete=models.CASCADE,
+        related_name="profile"
+    )
+
+    role = models.ForeignKey(
+        Role,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True
+    )
+
+
+    def has_permission(self, permission):
+
+        if self.user.is_superuser:
+            return True
+
+        if not self.role:
+            return False
+
+        return getattr(
+            self.role,
+            permission.replace(".", "_"),
+            False
+        )
+
+    def __str__(self):
+        return self.user.username

accounts/tables.py

@@ -0,0 +1,102 @@
+import django_tables2 as tables
+from django.contrib.auth.models import User
+from .models import Role
+
+class RoleTable(tables.Table):
+    toggle_prefix = "role"
+    detail_template = "accounts/tables/user/role_edit_form.html"
+    name = tables.Column(
+        verbose_name="Rolle"
+    )
+
+    class Meta:
+        model = Role
+        template_name = "django_tables2/table_toggle.html"
+        fields = (
+            "name",
+        )
+        attrs = {
+            "class": "w-full text-sm min-w-[700px]"
+        }
+
+class ArchivedUserTable(tables.Table):
+    toggle_prefix = "user"
+    detail_template = "accounts/tables/user/archive_edit_form.html"
+    username = tables.Column(
+        verbose_name="Benutzername"
+    )
+    first_name = tables.Column(
+        verbose_name="Vorname"
+    )
+    last_name = tables.Column(
+        verbose_name="Nachname"
+    )
+    email = tables.Column(
+        verbose_name="E-Mail"
+    )
+    role = tables.TemplateColumn(
+        template_name="accounts/tables/user/role.html",
+        verbose_name="Rolle",
+        orderable=False
+    )
+    superuser = tables.TemplateColumn(
+        template_name="accounts/tables/user/superuser.html",
+        verbose_name="Superuser",
+        orderable=False
+    )
+
+    class Meta:
+        model = User
+        template_name = "django_tables2/table_toggle.html"
+        fields = (
+            "username",
+            "first_name",
+            "last_name",
+            "email",
+            "role",
+            "superuser",
+        )
+        attrs = {
+            "class": "w-full text-sm min-w-[700px]"
+        }
+
+class UserTable(tables.Table):
+    toggle_prefix = "user"
+    detail_template = "accounts/tables/user/edit_form.html"
+    username = tables.Column(
+        verbose_name="Benutzername"
+    )
+    first_name = tables.Column(
+        verbose_name="Vorname"
+    )
+    last_name = tables.Column(
+        verbose_name="Nachname"
+    )
+    email = tables.Column(
+        verbose_name="E-Mail"
+    )
+    role = tables.TemplateColumn(
+        template_name="accounts/tables/user/role.html",
+        verbose_name="Rolle",
+        orderable=False
+    )
+    superuser = tables.TemplateColumn(
+        template_name="accounts/tables/user/superuser.html",
+        verbose_name="Superuser",
+        orderable=False
+    )
+
+    class Meta:
+        model = User
+        template_name = "django_tables2/table_toggle.html"
+        fields = (
+            "username",
+            "first_name",
+            "last_name",
+            "email",
+            "role",
+            "superuser",
+        )
+        attrs = {
+            "class": "w-full text-sm min-w-[700px]"
+        }

accounts/templates/accounts/add.html

@@ -0,0 +1,36 @@
+{% extends "base.html" %}
+
+{% block title %}
+Mitarbeiter
+{% endblock %}
+
+{% block header_title %}
+Mitarbeiter hinzufügen
+{% endblock %}
+
+{% block header_description %}
+Neuen Mitarbeiter anlegen
+{% endblock %}
+
+{% block content %}
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors mb-8">
+
+    <form method="post" enctype="multipart/form-data" class="space-y-4">
+        {% csrf_token %}
+
+        <div class="grid grid-cols-1 gap-4">
+            {{ form.as_p }}
+        </div>
+
+        <button
+            type="submit"
+            class="btn mt-4 btn-save">
+            Speichern
+        </button>
+
+    </form>
+
+</div>
+
+{% endblock %}

accounts/templates/accounts/login.html

@@ -0,0 +1,68 @@
+{% extends "base.html" %}
+
+{% block title %}
+Login
+{% endblock %}
+
+{% block header_title %}
+<div class="flex justify-center">
+    {% if company_settings.logo %}
+        <img src="{{ company_settings.logo.url }}" alt="" class="h-32">
+        
+    {% elif company_settings.companyname %}
+        {{ company_settings.companyname }}
+    {% else %}
+        Projektverwaltung
+    {% endif %}
+</div>
+{% endblock %}
+
+{% block header_description %}
+{% endblock %}
+
+{% block content %}
+
+<div class="flex justify-center items-center min-h-[80vh]">
+
+    <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors w-full max-w-md">
+
+        <h1 class="text-3xl font-bold text-center mb-6">
+            Anmelden
+        </h1>
+
+        <form method="post" class="space-y-4">
+            {% csrf_token %}
+
+            {% for field in form %}
+                <div class="space-y-1">
+                    <label class="block text-sm font-medium text-slate-700 dark:text-slate-300">
+                        {{ field.label }}
+                    </label>
+                    <input
+                        type="{{ field.field.widget.input_type }}"
+                        name="{{ field.html_name }}"
+                        id="{{ field.id_for_label }}"
+                        {% if field.value %}value="{{ field.value }}"{% endif %}
+                        class="w-full px-4 py-3 rounded-lg border border-slate-300 dark:border-slate-600 bg-slate-50 dark:bg-slate-700 text-slate-900 dark:text-white placeholder-slate-400 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent transition"
+                        placeholder="{{ field.label }}"
+                    >
+                    {% if field.errors %}
+                    <p class="text-sm text-red-500">{{ field.errors|join:", " }}</p>
+                    {% endif %}
+                </div>
+            {% endfor %}
+
+            <button
+                type="submit"
+                class="btn w-full btn-action"
+            >
+                Anmelden
+            </button>
+
+        </form>
+
+    </div>
+
+</div>
+
+{% endblock %}

accounts/templates/accounts/overview.html

@@ -0,0 +1,100 @@
+{% extends "base.html" %}
+
+{% block title %}
+Mitarbeiter
+{% endblock %}
+
+{% block header_title %}
+Mitarbeiter
+{% endblock %}
+
+{% block header_description %}
+Mitarbeiter, Rollen und Berechtigungen verwalten
+{% endblock %}
+
+{% block content %}
+{% load django_tables2 %}
+<div class="mb-8">
+    <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+        <div class="flex flex-col sm:flex-row sm:justify-between sm:items-center gap-4">
+            <div>
+                <h2 class="text-xl font-bold">Aktionen</h2>
+                <p class="text-slate-400 text-sm mt-1">Mitarbeiter oder Rollen hinzufügen</p>
+            </div>
+
+            <div class="flex flex-col sm:flex-row gap-2">
+                <a href="{% url 'accounts:user_add' %}" class="btn btn-add">+ Mitarbeiter</a>
+                <a href="{% url 'accounts:role_add' %}" class="btn btn-add">+ Rolle</a>
+            </div>
+            
+        </div>
+    </div>
+</div>
+
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors mb-8">
+
+    <div class="mb-6">
+        <h2 class="text-xl font-bold">
+            Benutzer
+        </h2>
+
+        <p class="text-slate-400 text-sm mt-1">
+            Aktive Benutzer mit Rollen und Berechtigungen
+        </p>
+    </div>
+
+    <div class="overflow-x-auto rounded-xl">
+
+        {% render_table table %}
+
+    </div>
+
+</div>
+
+
+
+
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors mb-8">
+
+    <div class="mb-6">
+        <h2 class="text-xl font-bold">
+            Archivierte Benutzer
+        </h2>
+
+        <p class="text-slate-400 text-sm mt-1">
+            Deaktivierte Benutzer
+        </p>
+    </div>
+
+    <div class="overflow-x-auto rounded-xl">
+
+        {% render_table archived_table %}
+    </div>
+</div>
+
+
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors mt-8">
+
+    <div class="mb-6">
+        <h2 class="text-xl font-bold">
+            Rollen
+        </h2>
+
+        <p class="text-slate-400 text-sm mt-1">
+            Rollen und Berechtigungen verwalten
+        </p>
+    </div>
+
+
+    <div class="overflow-x-auto rounded-xl">
+
+        {% render_table role_table %}
+
+    </div>
+
+
+</div>
+{% endblock %}

accounts/templates/accounts/role_add.html

@@ -0,0 +1,36 @@
+{% extends "base.html" %}
+
+{% block title %}
+Mitarbeiter
+{% endblock %}
+
+{% block header_title %}
+Rolle hinzufügen
+{% endblock %}
+
+{% block header_description %}
+Neue Rolle anlegen
+{% endblock %}
+
+{% block content %}
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors mb-8">
+
+    <form method="post" enctype="multipart/form-data" class="space-y-4">
+        {% csrf_token %}
+
+        <div class="grid grid-cols-1 gap-4">
+            {{ form.as_p }}
+        </div>
+
+        <button
+            type="submit"
+            class="btn mt-4 btn-save">
+            Speichern
+        </button>
+
+    </form>
+
+</div>
+
+{% endblock %}

accounts/templates/accounts/tables/user/archive_edit_form.html

@@ -0,0 +1,121 @@
+<form method="post" action="{% url 'accounts:user_edit' item.id %}">
+    {% csrf_token %}
+
+    <div>
+
+        <div class="grid md:grid-cols-2 xl:grid-cols-3 gap-4">
+
+            <div>
+                <label class="block text-sm mb-1">
+                    Benutzername
+                </label>
+
+                <input
+                    type="text"
+                    name="username"
+                    value="{{ item.username }}"
+                    class="border rounded px-3 py-2 w-full">
+            </div>
+
+
+            <div>
+                <label class="block text-sm mb-1">
+                    Vorname
+                </label>
+
+                <input
+                    type="text"
+                    name="first_name"
+                    value="{{ item.first_name }}"
+                    class="border rounded px-3 py-2 w-full">
+            </div>
+
+
+            <div>
+                <label class="block text-sm mb-1">
+                    Nachname
+                </label>
+
+                <input
+                    type="text"
+                    name="last_name"
+                    value="{{ item.last_name }}"
+                    class="border rounded px-3 py-2 w-full">
+            </div>
+
+
+            <div>
+                <label class="block text-sm mb-1">
+                    E-Mail
+                </label>
+
+                <input
+                    type="email"
+                    name="email"
+                    value="{{ item.email }}"
+                    class="border rounded px-3 py-2 w-full">
+            </div>
+
+
+            <div>
+                <label class="block text-sm mb-1">
+                    Rolle
+                </label>
+
+                <select
+                    name="role"
+                    class="border rounded px-3 py-2 w-full">
+
+                    <option value="">
+                        ---
+                    </option>
+
+                    {% for role in table.roles %}
+                        <option
+                            value="{{ role.id }}"
+                            {% if item.profile.role_id == role.id %}selected{% endif %}>
+                            {{ role.name }}
+                        </option>
+                    {% endfor %}
+
+                </select>
+            </div>
+
+
+            <div>
+                <label class="block text-sm mb-1">
+                    Letzter Login
+                </label>
+
+                <input
+                    type="text"
+                    disabled
+                    value="{{ item.last_login|date:'d.m.Y H:i' }}"
+                    class="border rounded px-3 py-2 w-full bg-slate-100">
+            </div>
+
+
+        </div>
+
+
+        <div class="mt-5 flex gap-2">
+
+            <button
+                type="submit"
+                class="btn btn-save">
+                Speichern
+            </button>
+
+
+            <button
+                type="submit"
+                formaction="{% url 'accounts:user_reactivate' item.id %}"
+                class="btn btn-action">
+                Aktivieren
+            </button>
+
+        </div>
+
+    </div>
+
+</form>

accounts/templates/accounts/tables/user/edit_form.html

@@ -0,0 +1,121 @@
+<form method="post" action="{% url 'accounts:user_edit' item.id %}">
+    {% csrf_token %}
+
+    <div>
+
+        <div class="grid md:grid-cols-2 xl:grid-cols-3 gap-4">
+
+            <div>
+                <label class="block text-sm mb-1">
+                    Benutzername
+                </label>
+
+                <input
+                    type="text"
+                    name="username"
+                    value="{{ item.username }}"
+                    class="border rounded px-3 py-2 w-full">
+            </div>
+
+
+            <div>
+                <label class="block text-sm mb-1">
+                    Vorname
+                </label>
+
+                <input
+                    type="text"
+                    name="first_name"
+                    value="{{ item.first_name }}"
+                    class="border rounded px-3 py-2 w-full">
+            </div>
+
+
+            <div>
+                <label class="block text-sm mb-1">
+                    Nachname
+                </label>
+
+                <input
+                    type="text"
+                    name="last_name"
+                    value="{{ item.last_name }}"
+                    class="border rounded px-3 py-2 w-full">
+            </div>
+
+
+            <div>
+                <label class="block text-sm mb-1">
+                    E-Mail
+                </label>
+
+                <input
+                    type="email"
+                    name="email"
+                    value="{{ item.email }}"
+                    class="border rounded px-3 py-2 w-full">
+            </div>
+
+
+            <div>
+                <label class="block text-sm mb-1">
+                    Rolle
+                </label>
+
+                <select
+                    name="role"
+                    class="border rounded px-3 py-2 w-full">
+
+                    <option value="">
+                        ---
+                    </option>
+
+                    {% for role in table.roles %}
+                        <option
+                            value="{{ role.id }}"
+                            {% if item.profile.role_id == role.id %}selected{% endif %}>
+                            {{ role.name }}
+                        </option>
+                    {% endfor %}
+
+                </select>
+            </div>
+
+
+            <div>
+                <label class="block text-sm mb-1">
+                    Letzter Login
+                </label>
+
+                <input
+                    type="text"
+                    disabled
+                    value="{{ item.last_login|date:'d.m.Y H:i' }}"
+                    class="border rounded px-3 py-2 w-full bg-slate-100">
+            </div>
+
+
+        </div>
+
+
+        <div class="mt-5 flex gap-2">
+
+            <button
+                type="submit"
+                class="btn btn-save">
+                Speichern
+            </button>
+
+
+            <button
+                type="submit"
+                formaction="{% url 'accounts:user_archive' item.id %}"
+                class="btn btn-action">
+                Archivieren
+            </button>
+
+        </div>
+
+    </div>
+
+</form>

accounts/templates/accounts/tables/user/role.html

@@ -0,0 +1 @@
+{{ record.profile.role.name|default:"-" }}

accounts/templates/accounts/tables/user/role_edit_form.html

@@ -0,0 +1,63 @@
+<form method="post" action="{% url 'accounts:role_edit' item.id %}">
+    {% csrf_token %}
+
+    <div>
+
+        <h3 class="font-bold mb-4">
+            Berechtigungen
+        </h3>
+
+
+        <div class="grid md:grid-cols-2 xl-grid-cols-3 gap-4">
+
+            {% for permission in item.permissions %}
+
+                <label class="
+                    bg-slate-100 dark:bg-slate-700
+                    rounded-xl
+                    p-3
+                    flex
+                    items-center
+                    gap-3
+                ">
+
+                    <input
+                        type="checkbox"
+                        name="{{ permission.name }}"
+                        {% if permission.value %}
+                            checked
+                        {% endif %}
+                        class="w-4 h-4">
+
+                    <span>
+                        {{ permission.verbose_name }}
+                    </span>
+
+                </label>
+
+            {% endfor %}
+
+        </div>
+
+
+        <div class="mt-5 flex gap-2">
+
+            <button
+                type="submit"
+                class="btn btn-save">
+                Speichern
+            </button>
+
+
+            <button
+                type="submit"
+                formaction="{% url 'accounts:role_delete' item.id %}"
+                class="btn btn-delete">
+                Löschen
+            </button>
+
+        </div>
+
+    </div>
+
+</form>

accounts/templates/accounts/tables/user/superuser.html

@@ -0,0 +1,5 @@
+{% if record.is_superuser %}
+    Ja
+{% else %}
+    Nein
+{% endif %}

accounts/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

accounts/urls.py

@@ -0,0 +1,19 @@
+from django.urls import path
+from . import views
+
+app_name = "accounts"
+
+urlpatterns = [
+    path("login/", views.CustomLoginView.as_view(), name="login"),
+    path("logout/", views.CustomLogoutView.as_view(), name="logout"),
+    path("", views.overview, name="overview"),
+
+    path("add/",views.user_add,name="user_add"),
+    path("<int:user_id>/edit/",views.user_edit,name="user_edit"),
+    path("<int:user_id>/archive/",views.user_archive,name="user_archive"),
+    path("<int:user_id>/reactivate/",views.user_reactivate,name="user_reactivate"),
+    
+    path("role/add/",views.role_add,name="role_add"),
+    path("role/<int:role_id>/edit/",views.role_edit,name="role_edit"),
+    path("role/<int:role_id>/delete/",views.role_delete,name="role_delete"),
+]

accounts/views.py

@@ -0,0 +1,398 @@
+from django.contrib.auth.views import LoginView, LogoutView
+from django.contrib.auth.decorators import login_required
+from accounts.decorators import permission_required
+from django.contrib.auth.models import User
+from django.shortcuts import render, redirect, get_object_or_404
+from .forms import UserAddForm, RoleForm
+from .models import Role, UserProfile
+from .tables import UserTable, ArchivedUserTable, RoleTable
+from django_tables2 import RequestConfig
+
+
+class CustomLoginView(LoginView):
+    template_name = "accounts/login.html"
+    redirect_authenticated_user = True
+
+class CustomLogoutView(LogoutView):
+    pass
+
+
+@login_required
+@permission_required("users_view")
+def overview(request):
+
+    users = (
+        User.objects
+        .filter(is_active=True)
+        .select_related(
+            "profile",
+            "profile__role"
+        )
+        .order_by("username")
+    )
+
+    archived_users = (
+        User.objects
+        .filter(is_active=False)
+        .select_related(
+            "profile",
+            "profile__role"
+        )
+        .order_by("username")
+    )
+
+    roles = list(
+        Role.objects.order_by("name")
+    )
+
+
+    # ==================================================
+    # ROLE PERMISSIONS FÜR CHECKBOXEN
+    # ==================================================
+
+    permission_fields = []
+
+    for field in Role._meta.fields:
+
+        if field.get_internal_type() == "BooleanField":
+
+            permission_fields.append({
+                "name": field.name,
+                "verbose_name": field.verbose_name or field.name
+            })
+
+
+    for role in roles:
+
+        role.permissions = []
+
+        for permission in permission_fields:
+
+            role.permissions.append({
+
+                "name": permission["name"],
+
+                "verbose_name": permission["verbose_name"],
+
+                "value": getattr(
+                    role,
+                    permission["name"]
+                )
+
+            })
+
+
+    # ==================================================
+    # USER ROLLEN-PERMISSIONS
+    # ==================================================
+
+    for user in list(users) + list(archived_users):
+
+        role = getattr(
+            getattr(user, "profile", None),
+            "role",
+            None
+        )
+
+        user.role_permissions = []
+
+        if role:
+
+            for permission in permission_fields:
+
+                if getattr(
+                    role,
+                    permission["name"]
+                ):
+                    user.role_permissions.append(
+                        permission["verbose_name"]
+                    )
+
+
+    # ==================================================
+    # TABLES
+    # ==================================================
+    table = UserTable(users)
+    table.roles = roles
+    RequestConfig(
+        request,
+        paginate=False
+    ).configure(table)
+
+    archived_table = ArchivedUserTable(archived_users)
+    archived_table.roles = roles
+    RequestConfig(
+        request,
+        paginate=False
+    ).configure(archived_table)
+
+
+    role_table = RoleTable(roles)
+    role_table.roles = roles
+    RequestConfig(
+        request,
+        paginate=False
+    ).configure(role_table)
+
+
+    return render(
+        request,
+        "accounts/overview.html",
+        {
+            "table": table,
+            "archived_table": archived_table,
+            "role_table": role_table,
+        }
+    )
+
+@login_required
+@permission_required("users_edit")
+def user_edit(request, user_id):
+
+    user = get_object_or_404(
+        User.objects.select_related(
+            "profile"
+        ),
+        id=user_id
+    )
+
+    if user.is_superuser:
+        return redirect("accounts:overview")
+
+    if request.method != "POST":
+        return redirect("accounts:overview")
+
+    # -------------------------
+    # USER
+    # -------------------------
+    user.username = request.POST.get(
+        "username",
+        user.username
+    )
+
+    user.first_name = request.POST.get(
+        "first_name",
+        user.first_name
+    )
+
+    user.last_name = request.POST.get(
+        "last_name",
+        user.last_name
+    )
+
+    user.email = request.POST.get(
+        "email",
+        user.email
+    )
+
+    user.save()
+
+    # -------------------------
+    # PROFILE / ROLE
+    # -------------------------
+    profile, _ = UserProfile.objects.get_or_create(
+        user=user
+    )
+
+    role_id = request.POST.get("role")
+
+    if role_id:
+        profile.role_id = role_id
+    else:
+        profile.role = None
+
+    profile.save()
+
+    return redirect(
+        "accounts:overview"
+    )
+
+
+
+@login_required
+@permission_required("users_archive")
+def user_archive(request, user_id):
+
+    user = get_object_or_404(
+        User,
+        id=user_id
+    )
+
+    if user.is_superuser:
+        return redirect("accounts:overview")
+
+    if request.method == "POST":
+        user.is_active = False
+        user.save()
+
+    return redirect("accounts:overview")
+
+
+@login_required
+@permission_required("users_activate")
+def user_reactivate(request, user_id):
+
+    user = get_object_or_404(
+        User,
+        id=user_id
+    )
+
+    if user.is_superuser:
+        return redirect("accounts:overview")
+
+    if request.method == "POST":
+        user.is_active = True
+        user.save()
+
+    return redirect("accounts:overview")
+
+
+
+
+
+@login_required
+@permission_required("users_add")
+def user_add(request):
+
+    form = UserAddForm(
+        request.POST or None
+    )
+
+    if form.is_valid():
+
+        user = form.save(commit=False)
+
+        password = form.cleaned_data["password"]
+
+        user.set_password(password)
+        user.save()
+
+        UserProfile.objects.create(
+            user=user,
+            role=form.cleaned_data["role"]
+        )
+
+        return redirect(
+            "accounts:overview"
+        )
+
+    return render(
+        request,
+        "accounts/add.html",
+        {
+            "form": form
+        }
+    )
+
+
+
+
+
+
+def get_role_permissions():
+
+    fields = []
+
+    for field in Role._meta.fields:
+
+        if field.get_internal_type() == "BooleanField":
+
+            fields.append({
+                "name": field.name,
+                "label": field.verbose_name or field.name
+            })
+
+    return fields
+
+
+
+@login_required
+@permission_required("users_groups_edit")
+def role_edit(request, role_id):
+
+    role = get_object_or_404(
+        Role,
+        id=role_id
+    )
+
+
+    if request.method == "POST":
+
+        for field in Role._meta.fields:
+
+            if (
+                field.get_internal_type()
+                == "BooleanField"
+            ):
+
+                setattr(
+                    role,
+                    field.name,
+                    field.name in request.POST
+                )
+
+
+        role.name = request.POST.get(
+            "name",
+            role.name
+        )
+
+
+        role.save()
+
+
+    return redirect(
+        "accounts:overview"
+    )
+
+
+@login_required
+@permission_required("users_groups_delete")
+def role_delete(request, role_id):
+
+    role = get_object_or_404(
+        Role,
+        id=role_id
+    )
+
+
+    if request.method == "POST":
+
+        role.delete()
+
+
+    return redirect(
+        "accounts:overview"
+    )
+
+
+@login_required
+@permission_required("users_groups_add")
+def role_add(request):
+
+    if request.method == "POST":
+
+        form = RoleForm(
+            request.POST
+        )
+
+        if form.is_valid():
+
+            form.save()
+
+            return redirect(
+                "accounts:overview"
+            )
+
+    else:
+
+        form = RoleForm()
+
+
+    return render(
+        request,
+        "accounts/role_add.html",
+        {
+            "form": form
+        }
+    )

change.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python3
+
+import re
+from pathlib import Path
+
+ROOT = Path("/opt/projects")
+
+EXCLUDE_DIRS = {
+    "venv",
+    "__pycache__",
+    ".git",
+    "node_modules",
+    "staticfiles",
+    "media",
+}
+
+CLASS_RE = re.compile(r'class="([^"]*)"')
+
+
+for path in ROOT.rglob("*"):
+
+    if not path.is_file():
+        continue
+
+    if any(part in EXCLUDE_DIRS for part in path.parts):
+        continue
+
+    if path.suffix not in {".html", ".htm"}:
+        continue
+
+    try:
+        text = path.read_text(encoding="utf-8")
+    except UnicodeDecodeError:
+        continue
+
+
+    changed = False
+
+
+    def replace(match):
+        classes = match.group(1).split()
+
+        has_btn = "btn" in classes
+        has_btn_variant = any(
+            c.startswith("btn-")
+            for c in classes
+        )
+
+        if has_btn_variant and not has_btn:
+            classes.insert(0, "btn")
+            return f'class="{" ".join(classes)}"'
+
+        return match.group(0)
+
+
+    new_text = CLASS_RE.sub(replace, text)
+
+
+    if new_text != text:
+        path.write_text(
+            new_text,
+            encoding="utf-8"
+        )
+
+        print(f"✔ geändert: {path}")

config/asgi.py

@@ -0,0 +1,16 @@
+"""
+ASGI config for config project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/6.0/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
+
+application = get_asgi_application()

config/settings.py

@@ -0,0 +1,132 @@
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/6.0/howto/deployment/checklist/
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-a*^y8tl19j6+i9029ye&n1nhyaze(sd&!drt1++kfq_lok)5o@'
+DEBUG = True
+ALLOWED_HOSTS = ["91.99.235.6", "localhost"]
+
+
+# Application definition
+INSTALLED_APPS = [
+    'accounts',
+    'core',
+    'projects',
+    'finance',
+    'inventory',
+    'documents',
+    'invoices',
+    'masterdata.apps.MasterdataConfig',
+    'time_tracking',
+    'tailwind',
+    'theme',
+    "django_tables2",
+    "django_filters",
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'config.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                "core.context_processors.company_settings",
+                "core.context_processors.project_switcher",
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'config.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/6.0/ref/settings/#databases
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/6.0/ref/settings/#auth-password-validators
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/6.0/topics/i18n/
+LANGUAGE_CODE = 'en-us'
+TIME_ZONE = 'UTC'
+USE_I18N = True
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/6.0/howto/static-files/
+STATIC_URL = 'static/'
+
+
+
+# TAILWIND
+TAILWIND_APP_NAME = 'theme' 
+
+
+# ACCOUNTS
+LOGIN_URL = "accounts:login"
+LOGIN_REDIRECT_URL = "core:dashboard"
+LOGOUT_REDIRECT_URL = "accounts:login"
+#AUTH_USER_MODEL = "accounts.User"
+
+# MEDIEN
+MEDIA_URL = "/media/"
+MEDIA_ROOT = BASE_DIR / "media"
+
+
+
+if DEBUG:
+    INSTALLED_APPS += ["django_browser_reload"]
+    MIDDLEWARE += [
+        "django_browser_reload.middleware.BrowserReloadMiddleware",
+    ]

config/urls.py

@@ -0,0 +1,22 @@
+from django.contrib import admin
+from django.urls import path, include
+from django.conf import settings
+from django.conf.urls.static import static
+
+urlpatterns = [
+    path("", include("core.urls")),
+    path("admin/", admin.site.urls),
+    path("accounts/", include("accounts.urls")),
+    path("projects/", include("projects.urls")),
+    path("projects/", include("finance.urls")),
+    path("projects/", include("documents.urls")),
+    path("projects/", include("time_tracking.urls")),
+    path("projects/", include("inventory.urls")),
+    path("inventory/", include("inventory.urls_global")),
+    path("invoices/", include("invoices.urls")),
+    path("settings/", include("masterdata.urls")),
+]
+
+if settings.DEBUG:
+    urlpatterns += static(settings.MEDIA_URL,document_root=settings.MEDIA_ROOT)
+    urlpatterns += [path("__reload__/", include("django_browser_reload.urls")),]

config/wsgi.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for config project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/6.0/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
+
+application = get_wsgi_application()

core/admin.py

@@ -0,0 +1,12 @@
+from django.contrib import admin
+from .models import CompanySetting
+
+
+@admin.register(CompanySetting)
+class CompanySettingAdmin(admin.ModelAdmin):
+
+    list_display = (
+        "name",
+        "city",
+        "updated_at",
+    )

core/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class CoreConfig(AppConfig):
+    name = 'core'

core/context_processors.py

@@ -0,0 +1,21 @@
+from projects.models import ProjectMembership
+from .models import CompanySetting
+
+def project_switcher(request):
+    if not request.user.is_authenticated:
+        return {"user_projects": []}
+
+    memberships = ProjectMembership.objects.select_related("project").filter(
+        user=request.user,
+        project__active=True
+    )
+
+    return {
+        "user_projects": [m.project for m in memberships]
+    }
+
+
+def company_settings(request):
+    return {
+        "company_settings": CompanySetting.objects.first()
+    }

core/forms/base.py

@@ -0,0 +1,16 @@
+from django import forms
+
+
+class BaseForm(forms.ModelForm):
+
+    default_class = (
+        "w-full px-4 py-3 rounded-lg border border-slate-300 dark:border-slate-600 "
+        "bg-slate-50 dark:bg-slate-700 text-slate-900 dark:text-white "
+        "placeholder-slate-400 focus:outline-none focus:ring-2 focus:ring-blue-500 "
+        "focus:border-transparent transition"
+    )
+
+    def apply_style(self):
+        for field_name, field in self.fields.items():
+            existing = field.widget.attrs.get("class", "")
+            field.widget.attrs["class"] = f"{self.default_class} {existing}".strip()

core/migrations/0001_initial.py

@@ -0,0 +1,46 @@
+# Generated by Django 6.0.6 on 2026-06-23 22:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CompanySetting',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('companyname', models.CharField(max_length=255, verbose_name='Firmenname')),
+                ('name', models.CharField(max_length=255, verbose_name='Geschäftsführer')),
+                ('logo', models.ImageField(blank=True, null=True, upload_to='company/', verbose_name='Logo')),
+                ('slogan', models.CharField(blank=True, max_length=255, verbose_name='Slogan')),
+                ('color', models.CharField(default='#0f172a', max_length=20, verbose_name='Farbe')),
+                ('street', models.CharField(max_length=255, verbose_name='Straße')),
+                ('zip', models.CharField(max_length=20, verbose_name='PLZ')),
+                ('city', models.CharField(max_length=255, verbose_name='Ort')),
+                ('country', models.CharField(default='Deutschland', max_length=100, verbose_name='Land')),
+                ('phone', models.CharField(blank=True, max_length=100, verbose_name='Telefon')),
+                ('email', models.EmailField(blank=True, max_length=100, verbose_name='E-Mail')),
+                ('website', models.URLField(blank=True, max_length=100, verbose_name='Webseite')),
+                ('tax_number', models.CharField(blank=True, max_length=100, verbose_name='Steuernummer')),
+                ('vat_number', models.CharField(blank=True, max_length=100, verbose_name='USt-IdNr.')),
+                ('is_small_business', models.BooleanField(default=False, verbose_name='Kleinunternehmer (§19 UStG)')),
+                ('small_business_text', models.TextField(blank=True, verbose_name='Kleinunternehmer Hinweis')),
+                ('invoice_header_text', models.TextField(blank=True, verbose_name='Rechnungszusatztext')),
+                ('bank_name', models.CharField(blank=True, max_length=255, verbose_name='Bank')),
+                ('iban', models.CharField(blank=True, max_length=50, verbose_name='IBAN')),
+                ('bic', models.CharField(blank=True, max_length=50, verbose_name='BIC')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+            ],
+            options={
+                'verbose_name': 'Firmeneinstellung',
+                'verbose_name_plural': 'Firmeneinstellungen',
+            },
+        ),
+    ]

core/migrations/0002_companysetting_invoice_number_documentnumbersettings.py

@@ -0,0 +1,32 @@
+# Generated by Django 6.0.6 on 2026-06-24 09:51
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='companysetting',
+            name='invoice_number',
+            field=models.CharField(blank=True, max_length=50, verbose_name='BIC'),
+        ),
+        migrations.CreateModel(
+            name='DocumentNumberSettings',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('invoice_prefix', models.CharField(default='RE', max_length=20)),
+                ('invoice_next_number', models.PositiveIntegerField(default=1)),
+                ('cancel_prefix', models.CharField(default='ST', max_length=20)),
+                ('cancel_next_number', models.PositiveIntegerField(default=1)),
+                ('offer_prefix', models.CharField(default='ANG', max_length=20)),
+                ('offer_next_number', models.PositiveIntegerField(default=1)),
+                ('company', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='number_settings', to='core.companysetting')),
+            ],
+        ),
+    ]

core/migrations/0003_delete_documentnumbersettings.py

@@ -0,0 +1,16 @@
+# Generated by Django 6.0.6 on 2026-06-24 09:53
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0002_companysetting_invoice_number_documentnumbersettings'),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name='DocumentNumberSettings',
+        ),
+    ]

core/migrations/0004_companysetting_offer_header_text.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.6 on 2026-06-25 14:57
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0003_delete_documentnumbersettings'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='companysetting',
+            name='offer_header_text',
+            field=models.TextField(blank=True, verbose_name='Angebotszusatztext'),
+        ),
+    ]

core/migrations/0005_remove_companysetting_invoice_number.py

@@ -0,0 +1,17 @@
+# Generated by Django 6.0.6 on 2026-06-26 06:13
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0004_companysetting_offer_header_text'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='companysetting',
+            name='invoice_number',
+        ),
+    ]

core/migrations/0006_companysetting_reminder_header_text.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.6 on 2026-06-27 08:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0005_remove_companysetting_invoice_number'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='companysetting',
+            name='reminder_header_text',
+            field=models.TextField(blank=True, verbose_name='Mahnungszusatztext'),
+        ),
+    ]

core/models.py

@@ -0,0 +1,41 @@
+from django.db import models
+
+
+class CompanySetting(models.Model):
+    companyname = models.CharField(max_length=255,verbose_name="Firmenname")
+    name = models.CharField(max_length=255,verbose_name="Geschäftsführer")
+    logo = models.ImageField(upload_to="company/",blank=True,null=True,verbose_name="Logo")
+    slogan = models.CharField(max_length=255,blank=True,verbose_name="Slogan")
+    color = models.CharField(max_length=20,default="#0f172a",verbose_name="Farbe")
+    street = models.CharField(max_length=255,verbose_name="Straße")
+    zip = models.CharField(max_length=20,verbose_name="PLZ")
+    city = models.CharField(max_length=255,verbose_name="Ort")
+    country = models.CharField(max_length=100,default="Deutschland",verbose_name="Land")
+    phone = models.CharField(max_length=100,blank=True,verbose_name="Telefon"    )
+    email = models.EmailField(max_length=100,blank=True,verbose_name="E-Mail")
+    website = models.URLField(max_length=100,blank=True,verbose_name="Webseite")
+
+    tax_number = models.CharField(max_length=100,blank=True,verbose_name="Steuernummer")
+    vat_number = models.CharField(max_length=100,blank=True,verbose_name="USt-IdNr.")
+
+    is_small_business = models.BooleanField(default=False,verbose_name="Kleinunternehmer (§19 UStG)")
+    small_business_text = models.TextField(blank=True,verbose_name="Kleinunternehmer Hinweis")
+    invoice_header_text = models.TextField(blank=True,verbose_name="Rechnungszusatztext")
+    offer_header_text = models.TextField(blank=True,verbose_name="Angebotszusatztext")
+    reminder_header_text = models.TextField(blank=True,verbose_name="Mahnungszusatztext")
+
+    bank_name = models.CharField(max_length=255,blank=True,verbose_name="Bank")
+    iban = models.CharField(max_length=50,blank=True,verbose_name="IBAN")
+    bic = models.CharField(max_length=50,blank=True,verbose_name="BIC")
+
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+    
+    class Meta:
+        verbose_name = "Firmeneinstellung"
+        verbose_name_plural = "Firmeneinstellungen"
+
+
+    def __str__(self):
+        return self.name
+

core/settings_registry.py

@@ -0,0 +1,10 @@
+from masterdata.registry import register_setting
+from .models import CompanySetting
+
+
+register_setting(
+    group="System",
+    name="Firmeneinstellungen",
+    model=CompanySetting,
+    setting_type="single",
+)

core/templates/base.html

@@ -0,0 +1,342 @@
+{% load static tailwind_tags %}
+
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+    <title>
+        {% block title %}
+            Projektverwaltung
+        {% endblock %}
+    </title>
+    <script>
+        if (localStorage.getItem("theme") === "dark") {
+            document.documentElement.classList.add("dark");
+        }
+    </script>
+    {% tailwind_css %}
+
+
+    <style>
+        :root {
+            --company-color: {{ company_settings.color }};
+        }
+    </style>
+</head>
+<body class="min-h-screen bg-slate-100 dark:bg-slate-900 text-slate-900 dark:text-white transition-colors">
+<div class="flex min-h-screen">
+
+    {% if user.is_authenticated %}
+    <div id="overlay"
+         class="fixed inset-0 bg-black/40 hidden z-30 lg:hidden"
+         onclick="toggleSidebar()"></div>
+
+    <!-- Sidebar -->
+    <aside id="sidebar" class="fixed top-0 z-40 w-72 h-screen bg-slate-800 text-white transform -translate-x-full lg:translate-x-0 transition-transform duration-300 flex flex-col border-r border-white/20">
+
+        <div class="p-6 border-b border-white/20 " style="background-color: {{ company_settings.color }};">
+
+            <h2 class="text-xl font-bold">
+                {{ company_settings.companyname|default:"Projektverwaltung" }}
+            </h2>
+
+        </div>
+
+        <nav class="flex-1 p-4 space-y-2">
+            <div class="w-full rounded-lg flex items-center justify-between px-4 py-3 hover:bg-slate-700">
+                <a href="{% url 'core:dashboard' %}">
+                    Dashboard
+                </a>
+            </div>
+
+            <div class="space-y-2">
+
+                <!-- Projekt wechseln -->
+                <div class="rounded-lg overflow-hidden">
+
+                    <button
+                        onclick="toggleProjects()"
+                        class="w-full flex items-center justify-between px-4 py-3 hover:bg-slate-700">
+
+                        <span>{{ current_project.name|default:"Projekt wählen" }}</span>
+
+                        <svg id="projectArrow"
+                            class="w-4 h-4 transition-transform"
+                            fill="none"
+                            stroke="currentColor"
+                            viewBox="0 0 24 24">
+                            <path stroke-linecap="round"
+                                stroke-linejoin="round"
+                                stroke-width="2"
+                                d="M19 9l-7 7-7-7"/>
+                        </svg>
+
+                    </button>
+
+                    <div id="projectMenu" class="hidden border-t border-slate-700">
+
+                        {% for p in user_projects %}
+                        <a href="{% url 'projects:overview' p.id %}"
+                        class="block px-8 py-3 hover:bg-slate-700">
+                            {{ p.name }}
+                        </a>
+                        {% endfor %}
+
+                    </div>
+
+                </div>
+
+                <!-- Rechnungswesen -->
+                <div class="rounded-lg overflow-hidden">
+
+                    <button
+                        type="button"
+                        onclick="toggleInvoicesMenu()"
+                        class="w-full flex items-center justify-between px-4 py-3 hover:bg-slate-700 transition">
+
+                        <span>
+                            Rechnungswesen
+                        </span>
+
+                        <svg id="invoiceArrow"
+                            class="w-4 h-4 transition-transform duration-200"
+                            fill="none"
+                            stroke="currentColor"
+                            viewBox="0 0 24 24">
+                            <path stroke-linecap="round"
+                                stroke-linejoin="round"
+                                stroke-width="2"
+                                d="M19 9l-7 7-7-7"/>
+                        </svg>
+
+                    </button>
+
+                    <div id="invoiceMenu" class="hidden border-t border-slate-700">
+
+                        <a href="{% url 'invoices:overview' %}"
+                        class="block px-8 py-3 hover:bg-slate-700 transition">
+                            Übersicht
+                        </a>
+
+                        <a href="{% url 'invoices:invoices_offers_overview' %}"
+                        class="block px-8 py-3 hover:bg-slate-700 transition">
+                            Angebote
+                        </a>
+
+                        <a href="{% url 'invoices:invoices_invoices_overview' %}"
+                        class="block px-8 py-3 hover:bg-slate-700 transition">
+                            Rechnungen
+                        </a>
+
+                        <a href="{% url 'invoices:invoices_reminders_overview' %}"
+                        class="block px-8 py-3 hover:bg-slate-700 transition">
+                            Mahnungen
+                        </a>
+
+                        <a href="{% url 'invoices:customers_overview' %}"
+                        class="block px-8 py-3 hover:bg-slate-700 transition">
+                            Kunden
+                        </a>
+
+                        <a href="{% url 'invoices:items_overview' %}"
+                        class="block px-8 py-3 hover:bg-slate-700 transition">
+                            Posten
+                        </a>
+
+                    </div>
+
+                </div>
+
+            </div>
+<!--
+            <div class="w-full rounded-lg flex items-center justify-between px-4 py-3 hover:bg-slate-700">
+                <a href="{% url 'core:dashboard' %}">
+                    Finanzübersicht
+                </a>
+            </div>
+            <div class="w-full rounded-lg flex items-center justify-between px-4 py-3 hover:bg-slate-700">
+                <a href="{% url 'core:dashboard' %}">
+                    Arbeitszeiten
+                </a>
+            </div>
+-->
+            <div class="w-full rounded-lg flex items-center justify-between px-4 py-3 hover:bg-slate-700">
+                <a href="{% url 'inventory_global:overview' %}">
+                    Inventar
+                </a>
+            </div>
+<!--
+            <div class="w-full rounded-lg flex items-center justify-between px-4 py-3 hover:bg-slate-700">
+                <a href="{% url 'core:dashboard' %}">
+                    Investitionen
+                </a>
+            </div>
+-->
+            <div class="w-full rounded-lg flex items-center justify-between px-4 py-3 hover:bg-slate-700">
+                <a href="{% url 'accounts:overview' %}">
+                    Mitarbeiter
+                </a>
+            </div>
+
+            <div class="w-full rounded-lg flex items-center justify-between px-4 py-3 hover:bg-slate-700">
+                <a href="{% url 'masterdata:overview' %}">
+                    Einstellungen
+                </a>
+            </div>
+
+        </nav>
+
+        <div class="p-4 border-t border-white/20">
+            {% if user.is_superuser %}
+            <div class="w-full rounded-xl flex items-center justify-between px-4 py-3 hover:bg-slate-700 mb-4 border-white/20 border">
+                <a href="{% url 'admin:index' %}">Admin</a>
+            </div>
+            {% endif %}
+            <div class="flex gap-2 w-full">
+                <button id="theme-toggle" class="rounded-xl px-4 py-3 hover:bg-slate-700 border-white/20 border">🌙</button>
+                <form method="post" action="{% url 'accounts:logout' %}" class="w-full">
+                    {% csrf_token %}
+                    <button class="w-full rounded-xl px-4 py-3 border-white/20 border" style="background-color: {{ company_settings.color }};">Abmelden</button>
+                </form>
+            </div>
+        </div>
+
+    </aside>
+    {% endif %}
+
+    <!-- Hauptbereich -->
+    {% if user.is_authenticated %}
+    <div class="flex-1 flex flex-col lg:ml-72">
+    {% else %}
+    <div class="flex-1 flex flex-col">
+    {% endif %}
+        <header class="lg:hidden bg-white shadow h-16 flex items-center px-4 dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <button onclick="toggleSidebar()" class="text-3xl">☰</button>
+            <span class="ml-4 font-bold">{{ company_settings.companyname|default:"Projektverwaltung" }}</span>
+        </header>
+        <main class="flex-1 p-6 overflow-x-auto w-screen lg:w-auto">
+            <div class="p-6 rounded-xl shadow mb-8 bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+                <h1 class="text-3xl font-bold">
+                    {% block header_title %}
+                    {% endblock %}
+                </h1>
+                <p class="text-slate-400 mt-1">
+                    {% block header_description %}
+                    {% endblock %}
+                </p>
+            </div>
+            {% block content %}
+            {% endblock %}
+        </main>
+    </div>
+</div>
+
+
+
+{% if messages %}
+    <div class="fixed top-5 right-5 z-50 space-y-3">
+        {% for message in messages %}
+        <div
+            class="rounded-xl shadow-lg px-5 py-4 flex items-center gap-4
+            {% if message.tags == 'success' %}
+                bg-green-100 border border-green-300 text-green-800
+            {% elif message.tags == 'error' %}
+                bg-red-100 border border-red-300 text-red-800
+            {% elif message.tags == 'warning' %}
+                bg-yellow-100 border border-yellow-300 text-yellow-800
+            {% else %}
+                bg-blue-100 border border-blue-300 text-blue-800
+            {% endif %}
+            "
+        >
+            <div>
+                {{ message }}
+            </div>
+        </div>
+        {% endfor %}
+    </div>
+    <script>
+    setTimeout(() => {
+        document
+            .querySelectorAll(".fixed.top-5.right-5 > div")
+            .forEach(el => {
+
+                el.style.opacity = "0";
+
+                setTimeout(() => {
+                    el.remove();
+                }, 500);
+
+            });
+
+    }, 3000);
+    </script>
+{% endif %}
+
+
+
+
+
+
+
+
+<script>
+function toggleProjects() {
+
+    const menu = document.getElementById("projectMenu");
+    const arrow = document.getElementById("projectArrow");
+
+    menu.classList.toggle("hidden");
+    arrow.classList.toggle("rotate-180");
+
+}
+
+function toggleInvoicesMenu() {
+
+    const menu = document.getElementById("invoiceMenu");
+    const arrow = document.getElementById("invoiceArrow");
+
+    menu.classList.toggle("hidden");
+    arrow.classList.toggle("rotate-180");
+
+}
+
+function toggleSidebar() {
+
+    const sidebar = document.getElementById("sidebar");
+    const overlay = document.getElementById("overlay");
+
+    sidebar.classList.toggle("-translate-x-full");
+    overlay.classList.toggle("hidden");
+
+}
+</script>
+
+<script>
+document.addEventListener("DOMContentLoaded", () => {
+    const btn = document.getElementById("theme-toggle");
+    const html = document.documentElement;
+
+    // Gespeichertes Theme anwenden
+    const saved = localStorage.getItem("theme");
+    if (saved === "dark") {
+        html.classList.add("dark");
+    } else {
+        html.classList.remove("dark");
+    }
+
+    // Toggle
+    btn.addEventListener("click", () => {
+        html.classList.toggle("dark");
+        localStorage.setItem("theme", html.classList.contains("dark") ? "dark" : "light");
+        btn.textContent = html.classList.contains("dark") ? "☀️" : "🌙";
+    });
+
+    // Icon initial setzen
+    btn.textContent = html.classList.contains("dark") ? "☀️" : "🌙";
+});
+</script>
+</body>
+</html>

core/templates/core/dashboard.html

@@ -0,0 +1,114 @@
+{% extends "base.html" %}
+
+{% block title %}Dashboard{% endblock %}
+
+{% block header_title %}
+Dashboard
+{% endblock %}
+
+{% block header_description %}
+Willkommen {{ user.username }}
+{% endblock %}
+
+{% block content %}
+
+
+<div class="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 xl:grid-cols-4 gap-4 mb-8">
+        <a href="{% url 'invoices:overview' %}" class="border border-white/20 p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <div class="flex items-center gap-3 justify-center">
+                <h2 class="text-xl font-bold">Rechnungswesen</h2>
+            </div>
+        </a>
+    <!--
+        <a href="" class="border border-white/20 p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <div class="flex items-center gap-3 justify-center">
+                <h2 class="text-xl font-bold">Finanzübersicht</h2>
+            </div>
+        </a>
+        <a href="" class="border border-white/20 p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <div class="flex items-center gap-3 justify-center">
+                <h2 class="text-xl font-bold">Arbeitszeiten</h2>
+            </div>
+        </a>    -->
+        <a href="{% url 'inventory_global:overview' %}" class="border border-white/20 p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <div class="flex items-center gap-3 justify-center">
+                <h2 class="text-xl font-bold">Inventar</h2>
+            </div>
+        </a>
+    <!--
+        <a href="" class="border border-white/20 p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <div class="flex items-center gap-3 justify-center">
+                <h2 class="text-xl font-bold">Investitionen</h2>
+            </div>
+        </a>
+    -->
+        <a href="{% url 'accounts:overview' %}" class="border border-white/20 p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <div class="flex items-center gap-3 justify-center">
+                <h2 class="text-xl font-bold">Mitarbeiter</h2>
+            </div>
+        </a>
+
+        <a href="{% url 'masterdata:overview' %}" class="border border-white/20 p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <div class="flex items-center gap-3 justify-center">
+                <h2 class="text-xl font-bold">Einstellungen</h2>
+            </div>
+        </a>
+</div>
+
+
+
+
+
+
+
+
+
+<div class="mb-8">
+    <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+        <div class="flex flex-col sm:flex-row sm:justify-between sm:items-center gap-4">
+            <div>
+                <h2 class="text-xl font-bold">Aktionen</h2>
+            </div>
+
+            <div class="flex flex-col sm:flex-row gap-2">
+                <a href="{% url 'projects:add' %}" class="btn btn-add">+ Projekt</a>
+            </div>
+            
+        </div>
+    </div>
+</div>
+
+{% if memberships %}
+<div class="grid grid-cols-1 md:grid-cols-3 gap-4">
+    {% for m in memberships %}
+    <a href="{% url 'projects:overview' m.project.id %}"
+       class="p-6 rounded-xl shadow hover:shadow-lg transition block text-white"
+       style="background: linear-gradient(135deg, {{ m.project.color }}, {{ m.project.color }}ff);">
+        <h2 class="text-xl font-bold">
+            {{ m.project.name }}
+        </h2>
+        <p class="text-sm mt-2">
+            Rolle: {{ m.get_role_display }}
+        </p>
+    </a>
+    {% endfor %}
+</div>
+{% else %}
+<div class="bg-white dark:bg-slate-800 border border-orange-500 rounded-xl p-6 text-orange-500">
+    Du bist noch keinem aktiven Projekt zugewiesen.
+</div>
+{% endif %}
+
+{% if archived_count %}
+<a href="{% url 'projects:archived' %}"  class="text-sm text-slate-400 hover:text-slate-500">
+    {{ archived_count }} archivierte 
+    {% if archived_count == 1 %}
+        Projekt anzeigen
+    {% else %}
+        Projekte anzeigen
+    {% endif %}
+</a>
+{% endif %}
+
+
+{% endblock %}

core/templates/django_tables2/table.html

@@ -0,0 +1,47 @@
+{% load django_tables2 %}
+
+<table {% render_attrs table.attrs %}>
+
+    <thead class="bg-slate-100 dark:bg-slate-700 text-left">
+        <tr>
+            {% for column in table.columns %}
+                <th class="p-3">
+                    {{ column.header }}
+                </th>
+            {% endfor %}
+        </tr>
+    </thead>
+
+
+    <tbody>
+
+        {% for row in table.paginated_rows %}
+
+            <tr class="border-t">
+
+                {% for column, cell in row.items %}
+
+                    <td class="p-3">
+                        {{ cell }}
+                    </td>
+
+                {% endfor %}
+
+            </tr>
+
+        {% empty %}
+
+            <tr class="border-t">
+                <td colspan="{{ table.columns|length }}"
+                    class="p-6 text-center text-slate-400">
+
+                    Keine Daten vorhanden
+
+                </td>
+            </tr>
+
+        {% endfor %}
+
+    </tbody>
+
+</table>

core/templates/django_tables2/table_toggle.html

@@ -0,0 +1,95 @@
+{% load django_tables2 %}
+
+<div class="overflow-x-auto rounded-xl">
+
+<table {% render_attrs table.attrs %}>
+
+    <thead class="bg-slate-100 dark:bg-slate-700 text-left">
+        <tr>
+            <th class="p-3"></th>
+
+            {% for column in table.columns %}
+                <th class="p-3">
+                    {{ column.header }}
+                </th>
+            {% endfor %}
+
+        </tr>
+    </thead>
+
+
+    <tbody>
+
+    {% for row in table.paginated_rows %}
+
+        <tr class="border-t">
+
+            <td class="p-3">
+                <button
+                    type="button"
+                    onclick="toggleItem('{{ table.toggle_prefix }}-{{ row.record.id }}')"
+                    class="font-bold">
+                    ▼
+                </button>
+            </td>
+
+
+            {% for column, cell in row.items %}
+
+                <td class="p-3">
+                    {{ cell }}
+                </td>
+
+            {% endfor %}
+
+        </tr>
+
+
+        {% if table.detail_template %}
+
+        <tr id="{{ table.toggle_prefix }}-{{ row.record.id }}"
+            class="hidden border-t">
+
+            <td colspan="{{ table.columns|length|add:'1' }}"
+                class="p-6">
+
+                {% include table.detail_template with item=row.record categories=table.categories locations=table.locations users=table.users %}
+
+            </td>
+
+        </tr>
+
+        {% endif %}
+
+
+    {% empty %}
+
+        <tr>
+            <td colspan="{{ table.columns|length|add:1 }}"
+                class="p-6 text-center text-slate-400">
+                Keine Daten vorhanden
+            </td>
+        </tr>
+
+    {% endfor %}
+
+    </tbody>
+
+</table>
+
+</div>
+
+
+<script>
+function toggleItem(id) {
+
+    const element = document.getElementById(id);
+
+    if (!element) {
+        console.log("Nicht gefunden:", id);
+        return;
+    }
+
+    element.classList.toggle("hidden");
+}
+</script>

core/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

core/urls.py

@@ -0,0 +1,8 @@
+from django.urls import path
+from .views import dashboard
+
+app_name = "core"
+
+urlpatterns = [
+    path("", dashboard, name="dashboard"),
+]

core/views.py

@@ -0,0 +1,9 @@
+from django.contrib.auth.decorators import login_required
+from django.shortcuts import render
+from projects.models import ProjectMembership
+
+@login_required
+def dashboard(request):
+    memberships = ProjectMembership.objects.select_related("project").filter(user=request.user,project__active=True)
+    archived_count = ProjectMembership.objects.filter(user=request.user,project__active=False).count()
+    return render(request,"core/dashboard.html",{"memberships": memberships,"archived_count": archived_count,})

documents/admin.py

@@ -0,0 +1,46 @@
+from django.contrib import admin
+
+# Register your models here.
+from django.contrib import admin
+
+from .models import DocumentCategory, Document
+
+
+@admin.register(DocumentCategory)
+class DocumentCategoryAdmin(admin.ModelAdmin):
+    list_display = ("name",)
+    search_fields = ("name",)
+
+@admin.register(Document)
+class DocumentAdmin(admin.ModelAdmin):
+    list_display = (
+        "title",
+        "project",
+        "category",
+        "uploaded_by",
+        "created_at",
+    )
+
+    list_filter = (
+        "project",
+        "category",
+        "created_at",
+    )
+
+    search_fields = (
+        "title",
+    )
+
+    readonly_fields = (
+        "created_at",
+    )
+
+    autocomplete_fields = (
+        "project",
+        "category",
+        "uploaded_by",
+    )
+
+    ordering = (
+        "-created_at",
+    )

documents/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class DocumentsConfig(AppConfig):
+    name = 'documents'

documents/forms.py

@@ -0,0 +1,11 @@
+from .models import Document
+from core.forms.base import BaseForm
+
+class DocumentForm(BaseForm):
+    class Meta:
+        model = Document
+        fields = ["title", "category", "file"]
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.apply_style()

documents/migrations/0001_initial.py

@@ -0,0 +1,36 @@
+# Generated by Django 6.0.6 on 2026-06-23 22:12
+
+import documents.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Document',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=255, verbose_name='Name')),
+                ('file', models.FileField(upload_to=documents.models.document_upload_path, verbose_name='Datei')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='DocumentCategory',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120, unique=True)),
+            ],
+            options={
+                'verbose_name': 'Dokumentenkategorie',
+                'verbose_name_plural': 'Dokumentenkategorien',
+                'ordering': ['name'],
+            },
+        ),
+    ]

documents/migrations/0002_initial.py

@@ -0,0 +1,34 @@
+# Generated by Django 6.0.6 on 2026-06-23 22:12
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('documents', '0001_initial'),
+        ('projects', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='document',
+            name='project',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='documents', to='projects.project'),
+        ),
+        migrations.AddField(
+            model_name='document',
+            name='uploaded_by',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AddField(
+            model_name='document',
+            name='category',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='documents.documentcategory', verbose_name='Kategorie'),
+        ),
+    ]

documents/models.py

@@ -0,0 +1,32 @@
+from django.db import models
+from projects.models import Project
+import os
+
+def document_upload_path(instance, filename):
+    return f"projects/{instance.project.id}/documents/{filename}"
+
+class DocumentCategory(models.Model):
+    name = models.CharField(max_length=120, unique=True)
+
+    class Meta:
+        verbose_name = "Dokumentenkategorie"
+        verbose_name_plural = "Dokumentenkategorien"
+        ordering = ["name"]
+
+    def __str__(self):
+        return self.name
+
+class Document(models.Model):
+    project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name="documents")
+    category = models.ForeignKey(DocumentCategory, on_delete=models.CASCADE, verbose_name="Kategorie")
+    title = models.CharField(max_length=255, verbose_name="Name")
+    file = models.FileField(upload_to=document_upload_path, verbose_name="Datei")
+    uploaded_by = models.ForeignKey("auth.User", on_delete=models.SET_NULL, null=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    @property
+    def extension(self):
+        return os.path.splitext(self.file.name)[1].lower()
+
+    def __str__(self):
+        return self.title

documents/settings_registry.py

@@ -0,0 +1,12 @@
+from masterdata.registry import register_setting
+
+from .models import (
+    DocumentCategory,
+)
+
+
+register_setting(
+    group="Dokumente",
+    name="Kategorien",
+    model=DocumentCategory,
+)

documents/templates/documents/add.html

@@ -0,0 +1,36 @@
+{% extends "base.html" %}
+
+{% block title %}
+{{ project.name }} - Dokumente
+{% endblock %}
+
+{% block header_title %}
+Dokumente hochladen
+{% endblock %}
+
+{% block header_description %}
+Dokumente und Belege hochladen
+{% endblock %}
+
+{% block content %}
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+
+    <form method="post" enctype="multipart/form-data">
+        {% csrf_token %}
+
+        <div class="grid grid-cols-1 gap-4">
+            {{ form.as_p }}
+        </div>
+
+        <button
+            type="submit"
+            class="btn mt-4 btn-save">
+            Speichern
+        </button>
+
+    </form>
+
+</div>
+
+{% endblock %}

documents/templates/documents/overview.html

@@ -0,0 +1,111 @@
+{% extends "base.html" %}
+
+{% block title %}
+{{ project.name }} - Dokumente
+{% endblock %}
+
+{% block header_title %}
+Dokumente
+{% endblock %}
+
+{% block header_description %}
+Dateien & Bilder
+{% endblock %}
+
+{% block content %}
+<div class="mb-8">
+    <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+        <div class="flex flex-col sm:flex-row sm:justify-between sm:items-center gap-4">
+            <div>
+                <h2 class="text-xl font-bold">Aktionen</h2>
+                <p class="text-slate-400 text-sm mt-1">Dokumente hochladen</p>
+            </div>
+
+            <div class="flex flex-col sm:flex-row gap-2">
+                <a href="{% url 'documents:add' project.id %}" class="btn btn-add">+ Dokument</a>
+            </div>
+            
+        </div>
+    </div>
+</div>
+
+
+
+
+
+<!-- Kategorien -->
+{% for cat, docs in grouped.items %}
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors mb-2" >
+
+    <div class="flex items-center justify-between mb-2">
+        <h2 class="text-xl font-bold">
+            {{ cat.name }}
+        </h2>
+
+        <span class="text-sm text-slate-400">
+            {{ docs|length }} Dokumente
+        </span>
+    </div>
+
+    {% if docs %}
+
+    <div class="grid grid-cols-1 md:grid-cols-3 xl:grid-cols-4 gap-6">
+
+        {% for d in docs %}
+
+        <div class="bg-slate-100 dark:bg-slate-700 rounded-xl shadow overflow-hidden transition">
+
+            <!-- Vorschau klickbar -->
+            <a href="{{ d.file.url }}" target="_blank">
+
+                {% if d.extension == ".jpg" or d.extension == ".jpeg" or d.extension == ".png" or d.extension == ".webp" %}
+
+                    <div class="h-64 bg-slate-100 flex items-center justify-center overflow-hidden">
+                        <img src="{{ d.file.url }}" class="w-full h-full object-cover">
+                    </div>
+
+                {% else %}
+
+                    <div class="h-64 flex flex-col items-center justify-center bg-slate-100">
+                        <div class="text-5xl mb-2">📄</div>
+                        <div class="text-slate-400 text-sm">Keine Vorschau verfügbar</div>
+
+                    </div>
+
+                {% endif %}
+
+            </a>
+
+            <!-- Infos -->
+            <div class="p-4">
+                <h3 class="font-semibold truncate">{{ d.title }}</h3>
+                <div class="mt-2 text-sm text-slate-400">Hochgeladen von {{ d.uploaded_by }}</div>
+                <div class="text-sm text-slate-400">{{ d.created_at|date:"d.m.Y H:i" }}</div>
+                <div class="mt-4 flex">
+                    <form method="post" action="{% url 'documents:delete' project.id d.id %}">
+                        {% csrf_token %}
+                        <button type="submit" class="btn btn-delete">Löschen</button>
+                    </form>
+                </div>
+            </div>
+        </div>
+        {% endfor %}
+
+    </div>
+
+    {% else %}
+    <div class="bg-white dark:bg-slate-800 border border-orange-500 rounded-xl p-6 text-orange-500">
+        Keine Dokumente vorhanden.
+    </div>
+
+    {% endif %}
+
+</div>
+
+{% empty %}
+<div class="bg-white dark:bg-slate-800 border border-orange-500 rounded-xl p-6 text-orange-500">
+    Noch keine Kategorien vorhanden.
+</div>
+{% endfor %}
+{% endblock %}

documents/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

documents/urls.py

@@ -0,0 +1,10 @@
+from django.urls import path
+from . import views
+
+app_name = "documents"
+
+urlpatterns = [
+    path("<int:project_id>/documents/", views.document_overview, name="overview"),
+    path("<int:project_id>/documents/delete/<int:doc_id>/", views.document_delete, name="delete"),
+    path("<int:project_id>/documents/add/", views.document_add, name="add"),
+]

documents/views.py

@@ -0,0 +1,88 @@
+from django.shortcuts import render, get_object_or_404, redirect
+from django.contrib.auth.decorators import login_required
+from accounts.decorators import permission_required
+from projects.models import ProjectMembership
+from .models import Document, DocumentCategory
+from .forms import DocumentForm
+
+
+@login_required
+@permission_required("projects_documents_view")
+def document_overview(request, project_id):
+
+    membership = get_object_or_404(ProjectMembership, user=request.user, project_id=project_id)
+    project = membership.project
+
+    documents = Document.objects.filter(project=project).order_by("-created_at")
+    categories = DocumentCategory.objects.all()
+
+    form = DocumentForm()
+
+    if request.method == "POST":
+        form = DocumentForm(request.POST, request.FILES)
+        if form.is_valid():
+            doc = form.save(commit=False)
+            doc.project = project
+            doc.uploaded_by = request.user
+            doc.save()
+            return redirect("documents:overview", project.id)
+
+    # gruppiert nach Kategorie
+    grouped = {}
+
+    for cat in categories:
+        docs = list(documents.filter(category=cat))
+
+        if docs:
+            grouped[cat] = docs
+
+    uncategorized = documents.filter(category__isnull=True)
+
+    return render(request, "documents/overview.html", {
+        "project": project,
+        "form": form,
+        "grouped": grouped,
+        "uncategorized": uncategorized,
+    })
+
+
+@login_required
+@permission_required("projects_documents_delete")
+def document_delete(request, project_id, doc_id):
+    membership = get_object_or_404(ProjectMembership, user=request.user, project_id=project_id)
+    doc = get_object_or_404(Document, id=doc_id, project=membership.project)
+    doc.file.delete()
+    doc.delete()
+    return redirect("documents:overview", project_id)
+
+
+@login_required
+@permission_required("projects_documents_add")
+def document_add(request, project_id):
+    membership = get_object_or_404(ProjectMembership, user=request.user, project_id=project_id)
+    project = membership.project
+
+    documents = Document.objects.filter(project=project).order_by("-created_at")
+    categories = DocumentCategory.objects.all()
+
+    form = DocumentForm()
+
+    if request.method == "POST":
+        form = DocumentForm(request.POST, request.FILES)
+        if form.is_valid():
+            doc = form.save(commit=False)
+            doc.project = project
+            doc.uploaded_by = request.user
+            doc.save()
+            return redirect("documents:overview", project.id)
+    else:
+        form = DocumentForm()
+
+    return render(
+        request,
+        "documents/add.html",
+        {
+            "project": project,
+            "form": form,
+        }
+    )

finance/admin.py

@@ -0,0 +1,23 @@
+from django.contrib import admin
+from .models import Category, Supplier, PaymentMethod, Expense, Income
+
+
+admin.site.register(Category)
+admin.site.register(Supplier)
+admin.site.register(PaymentMethod)
+
+
+@admin.register(Expense)
+class ExpenseAdmin(admin.ModelAdmin):
+    list_display = ("amount", "project", "category", "date", "created_by")
+    list_filter = ("project", "category", "date")
+    search_fields = (
+        "name",
+        "project__name",
+    )
+
+
+@admin.register(Income)
+class IncomeAdmin(admin.ModelAdmin):
+    list_display = ("amount", "project", "category", "date", "created_by")
+    list_filter = ("project", "category", "date")

finance/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class FinanceConfig(AppConfig):
+    name = 'finance'

finance/forms.py

@@ -0,0 +1,38 @@
+from django import forms
+from .models import Income, Expense
+from core.forms.base import BaseForm
+from django.utils import timezone
+
+class IncomeForm(BaseForm):
+    class Meta:
+        model = Income
+        fields = ["name", "amount", "date", "category", "payment_method", "note"]
+        widgets = {
+            "date": forms.DateTimeInput(attrs={"type": "datetime-local"}),
+        }
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        if not self.instance.pk:
+            self.fields["date"].initial = timezone.now()
+
+        self.apply_style()
+
+
+class ExpenseForm(BaseForm):
+    class Meta:
+        model = Expense
+        fields = ["name", "amount", "date", "category", "supplier", "payment_method", "receipt", "note"]
+
+        widgets = {
+            "date": forms.DateTimeInput(attrs={"type": "datetime-local"}),
+        }
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        if not self.instance.pk:
+            self.fields["date"].initial = timezone.now()
+
+        self.apply_style()

finance/migrations/0001_initial.py

@@ -0,0 +1,77 @@
+# Generated by Django 6.0.6 on 2026-06-23 22:12
+
+import django.db.models.deletion
+import finance.models
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Category',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+            ],
+            options={
+                'verbose_name': 'Finanzkategorie',
+                'verbose_name_plural': 'Finanzkategorien',
+            },
+        ),
+        migrations.CreateModel(
+            name='Income',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, null=True, verbose_name='Name')),
+                ('amount', models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Betrag (€)')),
+                ('date', models.DateTimeField(verbose_name='Datum')),
+                ('note', models.TextField(blank=True, verbose_name='Notiz')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Erstellt am')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='PaymentMethod',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=50)),
+            ],
+            options={
+                'verbose_name': 'Zahlungsmethode',
+                'verbose_name_plural': 'Zahlungsmethoden',
+            },
+        ),
+        migrations.CreateModel(
+            name='Supplier',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=150)),
+            ],
+            options={
+                'verbose_name': 'Lieferant',
+                'verbose_name_plural': 'Lieferanten',
+            },
+        ),
+        migrations.CreateModel(
+            name='Expense',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Name')),
+                ('amount', models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Betrag (€)')),
+                ('date', models.DateTimeField(verbose_name='Datum')),
+                ('receipt', models.FileField(blank=True, null=True, upload_to=finance.models.receipt_upload_path, verbose_name='Beleg')),
+                ('note', models.TextField(blank=True, verbose_name='Notiz')),
+                ('invoiced', models.BooleanField(default=False, verbose_name='Abgerechnet')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Erstellt am')),
+                ('category', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='finance.category', verbose_name='Kategorie')),
+                ('created_by', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='Erstellt von')),
+            ],
+        ),
+    ]

finance/migrations/0002_initial.py

@@ -0,0 +1,54 @@
+# Generated by Django 6.0.6 on 2026-06-23 22:12
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('finance', '0001_initial'),
+        ('projects', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='expense',
+            name='project',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='expenses', to='projects.project', verbose_name='Projekt'),
+        ),
+        migrations.AddField(
+            model_name='income',
+            name='category',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='finance.category', verbose_name='Kategorie'),
+        ),
+        migrations.AddField(
+            model_name='income',
+            name='created_by',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='Erstellt von'),
+        ),
+        migrations.AddField(
+            model_name='income',
+            name='project',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='incomes', to='projects.project', verbose_name='Projekt'),
+        ),
+        migrations.AddField(
+            model_name='income',
+            name='payment_method',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='finance.paymentmethod', verbose_name='Zahlungsmethode'),
+        ),
+        migrations.AddField(
+            model_name='expense',
+            name='payment_method',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='finance.paymentmethod', verbose_name='Zahlungsmethode'),
+        ),
+        migrations.AddField(
+            model_name='expense',
+            name='supplier',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='finance.supplier', verbose_name='Lieferant'),
+        ),
+    ]

finance/models.py

@@ -0,0 +1,65 @@
+from django.db import models
+from django.contrib.auth import get_user_model
+from projects.models import Project
+import os
+
+User = get_user_model()
+
+def receipt_upload_path(instance, filename): 
+    return f"projects/{instance.project.id}/receipts/{filename}"
+
+class Category(models.Model):
+    name = models.CharField(max_length=100)
+    class Meta:
+        verbose_name = "Finanzkategorie"
+        verbose_name_plural = "Finanzkategorien"
+
+    def __str__(self):
+        return self.name
+
+class Supplier(models.Model):
+    name = models.CharField(max_length=150)
+    class Meta:
+        verbose_name = "Lieferant"
+        verbose_name_plural = "Lieferanten"
+
+    def __str__(self):
+        return self.name
+
+class PaymentMethod(models.Model):
+    name = models.CharField(max_length=50)
+    class Meta:
+        verbose_name = "Zahlungsmethode"
+        verbose_name_plural = "Zahlungsmethoden"
+
+    def __str__(self):
+        return self.name
+
+class Expense(models.Model):
+    name = models.CharField(max_length=255, verbose_name="Name")
+    project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name="expenses", verbose_name="Projekt")
+    category = models.ForeignKey(Category, on_delete=models.SET_NULL, null=True, verbose_name="Kategorie")
+    supplier = models.ForeignKey(Supplier, on_delete=models.SET_NULL, null=True, blank=True, verbose_name="Lieferant")
+    created_by = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, verbose_name="Erstellt von")
+    payment_method = models.ForeignKey(PaymentMethod, on_delete=models.SET_NULL, null=True, verbose_name="Zahlungsmethode")
+    amount = models.DecimalField(max_digits=10, decimal_places=2, verbose_name="Betrag (€)")
+    date = models.DateTimeField(verbose_name="Datum")
+    receipt = models.FileField(upload_to=receipt_upload_path, null=True, blank=True, verbose_name="Beleg")
+    note = models.TextField(blank=True, verbose_name="Notiz")
+    invoiced = models.BooleanField(default=False,verbose_name="Abgerechnet")
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="Erstellt am")
+    def __str__(self):
+        return f"{self.name} - {self.amount} €"
+
+class Income(models.Model):
+    name = models.CharField(max_length=255, verbose_name="Name", null=True)
+    project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name="incomes", verbose_name="Projekt")
+    category = models.ForeignKey(Category, on_delete=models.SET_NULL, null=True, verbose_name="Kategorie")
+    amount = models.DecimalField(max_digits=10, decimal_places=2, verbose_name="Betrag (€)")
+    date = models.DateTimeField(verbose_name="Datum")
+    created_by = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, verbose_name="Erstellt von")
+    payment_method = models.ForeignKey(PaymentMethod, on_delete=models.SET_NULL, null=True, verbose_name="Zahlungsmethode")
+    note = models.TextField(blank=True, verbose_name="Notiz")
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="Erstellt am")
+    def __str__(self):
+        return f"+{self.amount} € - {self.project.name}"

finance/settings_registry.py

@@ -0,0 +1,26 @@
+from masterdata.registry import register_setting
+
+from .models import (
+    Category,
+    Supplier,
+    PaymentMethod,
+)
+
+
+register_setting(
+    group="Finanzen",
+    name="Kategorien",
+    model=Category,
+)
+
+register_setting(
+    group="Finanzen",
+    name="Lieferanten",
+    model=Supplier,
+)
+
+register_setting(
+    group="Finanzen",
+    name="Zahlungsarten",
+    model=PaymentMethod,
+)

finance/tables.py

@@ -0,0 +1,163 @@
+import django_tables2 as tables
+from django.utils.html import format_html
+
+class PeriodAnalyticsTable(tables.Table):
+    period = tables.Column(verbose_name="Zeitraum")
+    income = tables.Column(verbose_name="Einnahmen")
+    expense = tables.Column(verbose_name="Ausgaben")
+    profit = tables.Column(verbose_name="Gewinn")
+
+    actions = tables.TemplateColumn(
+        template_name="finance/tables/period_actions.html",
+        verbose_name="Aktionen",
+        orderable=False,
+    )
+
+    class Meta:
+        attrs = {
+            "class": "w-full text-sm min-w-[700px]"
+        }
+        template_name = "django_tables2/table.html"
+        fields = (
+            "period",
+            "income",
+            "expense",
+            "profit",
+            "actions",
+        )
+
+    def __init__(self, *args, period_type="day", **kwargs):
+        self.period_type = period_type
+        super().__init__(*args, **kwargs)
+
+    def render_period(self, value):
+        if self.period_type == "year":
+            return value.strftime("%Y")
+
+        if self.period_type == "month":
+            return value.strftime("%m / %Y")       # z.B. 06.2026
+
+        if self.period_type == "week":
+            week = value.isocalendar().week
+            return f"KW {week:02d} / {value.year}"
+
+        return value.strftime("%d.%m.%Y")
+
+    def render_income(self, value):
+        return f"{value:.2f} €"
+
+    def render_expense(self, value):
+        return f"{value:.2f} €"
+
+    def render_profit(self, value):
+        return f"{value:.2f} €"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+class FinanceTransactionTable(tables.Table):
+
+    type = tables.Column(
+        verbose_name="Typ"
+    )
+
+    name = tables.Column(
+        verbose_name="Name"
+    )
+
+    amount = tables.Column(
+        verbose_name="Betrag"
+    )
+
+    date = tables.DateColumn(
+        verbose_name="Datum",
+        format="d.m.Y"
+    )
+
+    category = tables.Column(
+        verbose_name="Kategorie"
+    )
+
+    created_by = tables.Column(
+        verbose_name="Erstellt von"
+    )
+
+    payment_method = tables.Column(
+        verbose_name="Zahlungsmethode"
+    )
+
+    supplier = tables.Column(
+        verbose_name="Lieferant"
+    )
+
+    receipt = tables.TemplateColumn(
+        template_name="finance/tables/receipt.html",
+        verbose_name="Beleg",
+        orderable=False,
+    )
+
+    note = tables.Column(
+        verbose_name="Notiz"
+    )
+
+    class Meta:
+        attrs = {
+            "class": "w-full text-sm min-w-[700px]"
+        }
+        template_name = "django_tables2/table.html"
+        fields = (
+            "type",
+            "name",
+            "amount",
+            "date",
+            "category",
+            "created_by",
+            "payment_method",
+            "supplier",
+            "receipt",
+            "note",
+        )
+
+
+
+    def render_type(self, value):
+        color = "text-green-600" if value == "Einnahme" else "text-red-600"
+        return format_html(
+            '<span class="font-bold {}">{}</span>',
+            color,
+            value,
+        )
+
+    def render_amount(self, value):
+        if value is None:
+            return "/"
+        return f"{value:.2f} €"
+
+    def render_name(self, value):
+        return value or "/"
+
+    def render_category(self, value):
+        return value or "/"
+
+    def render_created_by(self, value):
+        return value or "/"
+
+    def render_payment_method(self, value):
+        return value or "/"
+
+    def render_supplier(self, value):
+        return value or "/"
+
+    def render_note(self, value):
+        return value or "/"

finance/templates/finance/form.html

@@ -0,0 +1,32 @@
+{% extends "base.html" %}
+
+{% block title %}
+{{ project.name }} - Finanzen
+{% endblock %}
+
+{% block header_title %}
+Finanzen tracken
+{% endblock %}
+
+{% block header_description %}
+Einnahme oder Ausgabe hinzufügen
+{% endblock %}
+
+{% block content %}
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+
+    <form method="post" enctype="multipart/form-data" class="space-y-4">
+        {% csrf_token %}
+
+        {{ form.as_p }}
+
+        <button class="btn btn-save">
+            Speichern
+        </button>
+
+    </form>
+
+</div>
+
+{% endblock %}

finance/templates/finance/overview.html

@@ -0,0 +1,206 @@
+{% extends "base.html" %}
+
+{% block title %}
+{{ project.name }} - Finanzen
+{% endblock %}
+
+{% block header_title %}
+Finanzen
+{% endblock %}
+
+{% block header_description %}
+Einnahmen & Ausgaben
+{% endblock %}
+
+
+{% block content %}
+{% load django_tables2 %}
+
+<div class="mb-8">
+    <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+        <div class="flex flex-col sm:flex-row sm:justify-between sm:items-center gap-4">
+            <div>
+                <h2 class="text-xl font-bold">Aktionen</h2>
+                <p class="text-slate-400 text-sm mt-1">Einnahmen und Ausgaben tracken</p>
+            </div>
+
+            <div class="flex flex-col sm:flex-row gap-2">
+                <a href="{% url 'finance:add_income' project.id %}" class="btn btn-action-start">+ Einnahme</a>
+                <a href="{% url 'finance:add_expense' project.id %}" class="btn btn-action-stop">+ Ausgabe</a>
+            </div>
+            
+        </div>
+    </div>
+</div>
+
+<div class="space-y-2 mb-8">
+    <!-- ===================== -->
+    <!-- FILTER CARD -->
+    <!-- ===================== -->
+    <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+
+        <div class="mb-6">
+            <h2 class="text-xl font-bold">Filter</h2>
+            <p class="text-slate-400 text-sm mt-1">Zeitraum für aktuelle Auswertung</p>
+        </div>
+
+        <form method="get" class="flex flex-wrap gap-4 items-end">
+
+            <div>
+                <label class="text-sm text-slate-400">Start</label>
+                <input type="date" name="start"
+                       value="{{ request.GET.start|default_if_none:'' }}"
+                       class="border rounded px-3 py-2">
+            </div>
+
+            <div>
+                <label class="text-sm text-slate-400">Ende</label>
+                <input type="date" name="end"
+                       value="{{ request.GET.end|default_if_none:'' }}"
+                       class="border rounded px-3 py-2">
+            </div>
+
+            <button class="btn btn-save">
+                Anwenden
+            </button>
+
+        </form>
+
+    </div>
+
+
+    <!-- ===================== -->
+    <!-- KPI FLOATING CARDS -->
+    <!-- ===================== -->
+    <div class="grid grid-cols-1 md:grid-cols-3 gap-2">
+
+        <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <p class="text-slate-400 text-sm mt-1">Einnahmen</p>
+            <p class="text-3xl font-bold text-green-600 mt-1">
+                {{ total_income }} €
+            </p>
+        </div>
+
+        <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <p class="text-slate-400 text-sm mt-1">Ausgaben</p>
+            <p class="text-3xl font-bold text-red-600 mt-1">
+                {{ total_expense }} €
+            </p>
+        </div>
+
+        <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+            <p class="text-slate-400 text-sm mt-1">Gewinn</p>
+            <p class="text-3xl font-bold text-blue-600 mt-1">
+                {{ total_profit }} €
+            </p>
+        </div>
+
+    </div>
+
+
+    <!-- ===================== -->
+    <!-- LIST CARDS -->
+    <!-- ===================== -->
+    <div class="grid grid-cols-1 md:grid-cols-2 gap-2">
+
+        <!-- INCOME -->
+        <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+
+            <div class="p-4">
+                <h3 class="font-semibold text-green-600">Einnahmen</h3>
+            </div>
+
+            <div class="divide-y">
+
+                {% for i in incomes %}
+                <div class="p-4 flex justify-between">
+                    <div>
+                        <p class="font-medium text-green-600">+{{ i.amount }} € {{ i.name }}</p>
+                        <p class="text-slate-400 text-sm mt-1">{{ i.date|date:"d.m.Y" }} · {{ i.category }}</p>
+                    </div>
+                </div>
+                {% empty %}
+                <p class="p-4 text-slate-400">Keine Einnahmen</p>
+                {% endfor %}
+
+            </div>
+
+        </div>
+
+
+        <!-- EXPENSE -->
+        <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+
+            <div class="p-4">
+                <h3 class="font-semibold text-red-600">Ausgaben</h3>
+            </div>
+
+            <div class="divide-y">
+
+                {% for e in expenses %}
+                <div class="p-4 flex justify-between">
+                    <div>
+                        <p class="font-medium text-red-600">-{{ e.amount }} € {{ e.name }}</p>
+                        <p class="text-slate-400 text-sm mt-1">{{ e.date|date:"d.m.Y" }} · {{ e.category }}</p>
+                    </div>
+                </div>
+                {% empty %}
+                <p class="p-4 text-slate-400">Keine Ausgaben</p>
+                {% endfor %}
+
+            </div>
+
+        </div>
+
+    </div>
+
+</div>
+
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+
+    <div class="mb-6">
+        <h2 class="text-xl font-bold">
+            Zeitraum-Analyse
+        </h2>
+
+        <p class="text-slate-400 text-sm mt-1">
+            Aggregierte Auswertung nach Zeitraum
+        </p>
+    </div>
+
+
+    <div class="flex gap-2 mb-6">
+
+        <a href="?period=year"
+           class="px-3 py-1 rounded border {% if period == 'year' %}bg-slate-900 text-white{% endif %}">
+            Jahr
+        </a>
+
+        <a href="?period=month"
+           class="px-3 py-1 rounded border {% if period == 'month' %}bg-slate-900 text-white{% endif %}">
+            Monat
+        </a>
+
+        <a href="?period=week"
+           class="px-3 py-1 rounded border {% if period == 'week' %}bg-slate-900 text-white{% endif %}">
+            Woche
+        </a>
+
+        <a href="?period=day"
+           class="px-3 py-1 rounded border {% if period == 'day' %}bg-slate-900 text-white{% endif %}">
+            Tag
+        </a>
+
+    </div>
+
+
+    <div class="overflow-x-auto rounded-xl">
+
+        {% render_table table %}
+
+    </div>
+
+</div>
+
+{% endblock %}

finance/templates/finance/tables/period_actions.html

@@ -0,0 +1,8 @@
+<div class="flex gap-2">
+
+    <a href="{% url 'finance:view' project.id %}?start={{ record.period_start|date:'Y-m-d' }}&end={{ record.period_end|date:'Y-m-d' }}"
+       class="btn btn-edit">
+        Details
+    </a>
+
+</div>

finance/templates/finance/tables/receipt.html

@@ -0,0 +1,9 @@
+{% if record.receipt %}
+<a href="{{ record.receipt.url }}"
+   target="_blank"
+   class="btn btn-action">
+    Download
+</a>
+{% else %}
+—
+{% endif %}

finance/templates/finance/view.html

@@ -0,0 +1,20 @@
+{% extends "base.html" %}
+
+{% block title %}{{ project.name }} - Finanzen{% endblock %}
+
+{% block header_title %}
+Finanzen Details
+{% endblock %}
+
+{% block header_description %}
+Zeitraum: {{ start_date|date:"d.m.Y" }} → {{ end_date|date:"d.m.Y" }}
+{% endblock %}
+
+{% block content %}
+{% load django_tables2 %}
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+    <div class="overflow-x-auto rounded-xl">{% render_table table %}</div>
+</div>
+
+{% endblock %}

finance/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

finance/urls.py

@@ -0,0 +1,11 @@
+from django.urls import path
+from .views import finance_overview, finance_view, add_income, add_expense
+
+app_name = "finance"
+
+urlpatterns = [
+    path("<int:project_id>/finance/", finance_overview, name="overview"),
+    path("<int:project_id>/finance/view/", finance_view, name="view"),
+    path("<int:project_id>/finance/add-income/", add_income, name="add_income"),
+    path("<int:project_id>/finance/add-expense/", add_expense, name="add_expense"),
+]

finance/views.py

@@ -0,0 +1,331 @@
+from django.contrib.auth.decorators import login_required
+from accounts.decorators import permission_required
+from django.shortcuts import render, get_object_or_404, redirect
+from django.db.models.functions import TruncMonth, TruncYear, TruncWeek, TruncDay
+from django.db.models import Sum
+from datetime import date, datetime, timedelta
+from projects.models import ProjectMembership
+from .models import Income, Expense
+import csv
+from django.http import HttpResponse
+from calendar import monthrange
+from .forms import IncomeForm, ExpenseForm
+from .tables import PeriodAnalyticsTable, FinanceTransactionTable
+
+# =========================================================
+# OVERVIEW
+# =========================================================
+@login_required
+@permission_required("projects_finance_view")
+def finance_overview(request, project_id):
+
+    membership = get_object_or_404(
+        ProjectMembership,
+        user=request.user,
+        project_id=project_id
+    )
+
+    project = membership.project
+
+    # -------------------------
+    # DATE FILTER (for KPI ONLY)
+    # -------------------------
+    start = request.GET.get("start")
+    end = request.GET.get("end")
+
+    if not start or not end:
+        start_date = end_date = date.today()
+    else:
+        start_date = datetime.strptime(start, "%Y-%m-%d").date()
+        end_date = datetime.strptime(end, "%Y-%m-%d").date()
+
+    # -------------------------
+    # KPI DATA (FILTERED)
+    # -------------------------
+    filtered_incomes = Income.objects.filter(
+        project=project,
+        date__date__range=[start_date, end_date]
+    )
+
+    filtered_expenses = Expense.objects.filter(
+        project=project,
+        date__date__range=[start_date, end_date]
+    )
+
+    total_income = sum(i.amount for i in filtered_incomes)
+    total_expense = sum(e.amount for e in filtered_expenses)
+    total_profit = total_income - total_expense
+
+    incomes = Income.objects.filter(
+        project=project,
+        date__date__range=[start_date, end_date]
+    ).order_by("-date")
+
+    expenses = Expense.objects.filter(
+        project=project,
+        date__date__range=[start_date, end_date]
+    ).order_by("-date")
+
+    # -------------------------
+    # PERIOD VIEW
+    # -------------------------
+    period = request.GET.get("period", "year")
+
+    if period == "year":
+        trunc = TruncYear("date")
+    elif period == "week":
+        trunc = TruncWeek("date")
+    elif period == "day":
+        trunc = TruncDay("date")
+    else:
+        trunc = TruncMonth("date")
+
+    income_stats = (
+        Income.objects.filter(project=project)
+        .annotate(period_key=trunc)
+        .values("period_key")
+        .annotate(total=Sum("amount"))
+        .order_by("-period_key")
+    )
+
+    expense_stats = (
+        Expense.objects.filter(project=project)
+        .annotate(period_key=trunc)
+        .values("period_key")
+        .annotate(total=Sum("amount"))
+        .order_by("-period_key")
+    )
+
+    expense_map = {
+        str(e["period_key"]): e["total"]
+        for e in expense_stats
+    }
+
+    period_data = []
+
+    for i in income_stats:
+        period_start = i["period_key"]
+        income_total = i["total"] or 0
+        expense_total = expense_map.get(str(period_start), 0)
+
+        if period == "year":
+            period_end = period_start.replace(month=12, day=31)
+
+        elif period == "week":
+            period_end = period_start + timedelta(days=6)
+
+        elif period == "day":
+            period_end = period_start
+
+        else:
+            last_day = monthrange(period_start.year, period_start.month)[1]
+            period_end = period_start.replace(day=last_day)
+
+        period_data.append({
+            "period": period_start,
+            "period_start": period_start,
+            "period_end": period_end,
+            "income": income_total,
+            "expense": expense_total,
+            "profit": income_total - expense_total,
+        })
+
+    # -------------------------
+    # RETURN
+    # -------------------------
+
+    table = PeriodAnalyticsTable(
+        period_data,
+        period_type=period,
+        request=request,
+    )
+
+    return render(request, "finance/overview.html", {
+        "project": project,
+
+        # KPI (filtered)
+        "total_income": total_income,
+        "total_expense": total_expense,
+        "total_profit": total_profit,
+
+        # LISTS (all data)
+        "incomes": incomes,
+        "expenses": expenses,
+
+        # PERIOD
+        "period_data": period_data,
+        "period": period,
+
+        # UI
+        "start_date": start_date,
+        "end_date": end_date,
+
+        "table": table,
+    })
+
+
+@login_required
+@permission_required("projects_finance_view")
+def finance_view(request, project_id):
+
+    membership = get_object_or_404(
+        ProjectMembership,
+        user=request.user,
+        project_id=project_id
+    )
+
+    project = membership.project
+
+    start = request.GET.get("start")
+    end = request.GET.get("end")
+
+    incomes = Income.objects.filter(project=project)
+    expenses = Expense.objects.filter(project=project)
+
+    if start:
+        try:
+            start_date = datetime.strptime(start, "%Y-%m-%d").date()
+            incomes = incomes.filter(date__date__gte=start_date)
+            expenses = expenses.filter(date__date__gte=start_date)
+        except ValueError:
+            pass
+
+    if end:
+        try:
+            end_date = datetime.strptime(end, "%Y-%m-%d").date()
+            incomes = incomes.filter(date__date__lte=end_date)
+            expenses = expenses.filter(date__date__lte=end_date)
+        except ValueError:
+            pass
+
+    # -------------------------
+    # MERGED LIST (LIKE EXPORT ORDER)
+    # -------------------------
+    transactions = []
+
+    for i in incomes:
+        transactions.append({
+            "type": "Einnahme",
+            "date": i.date,
+            "amount": i.amount,
+            "category": i.category,
+            "name": i.name,
+            "created_by": i.created_by,
+            "note": i.note,
+        })
+
+    for e in expenses:
+        transactions.append({
+            "type": "Ausgabe",
+            "date": e.date,
+            "amount": e.amount,
+            "category": e.category,
+            "name": e.name,
+            "created_by": e.created_by,
+            "note": e.note,
+            "supplier": e.supplier,
+            "payment_method": e.payment_method,
+            "receipt": e.receipt,
+        })
+
+    transactions.sort(
+        key=lambda x: x["date"],
+        reverse=True,
+    )
+
+    table = FinanceTransactionTable(
+        transactions,
+        request=request,
+    )
+
+    return render(
+        request,
+        "finance/view.html",
+        {
+            "project": project,
+            "table": table,
+            "start_date": start_date,
+            "end_date": end_date,
+        },
+    )
+
+
+
+
+
+
+
+
+
+
+
+
+
+# =========================
+# INCOME CREATE
+# =========================
+@login_required
+@permission_required("projects_finance_income_add")
+def add_income(request, project_id):
+
+    membership = get_object_or_404(
+        ProjectMembership,
+        user=request.user,
+        project_id=project_id
+    )
+
+    project = membership.project
+
+    if request.method == "POST":
+        form = IncomeForm(request.POST)
+
+        if form.is_valid():
+            income = form.save(commit=False)
+            income.project = project
+            income.created_by = request.user
+            income.save()
+            return redirect("finance:overview", project_id=project.id)
+
+    else:
+        form = IncomeForm()
+
+    return render(request, "finance/form.html", {
+        "form": form,
+        "project": project,
+        "type": "income",
+    })
+
+
+# =========================
+# EXPENSE CREATE
+# =========================
+@login_required
+@permission_required("projects_finance_expense_add")
+def add_expense(request, project_id):
+
+    membership = get_object_or_404(
+        ProjectMembership,
+        user=request.user,
+        project_id=project_id
+    )
+
+    project = membership.project
+
+    if request.method == "POST":
+        form = ExpenseForm(request.POST, request.FILES)
+
+        if form.is_valid():
+            expense = form.save(commit=False)
+            expense.project = project
+            expense.created_by = request.user
+            expense.save()
+            return redirect("finance:overview", project_id=project.id)
+
+    else:
+        form = ExpenseForm()
+
+    return render(request, "finance/form.html", {
+        "form": form,
+        "project": project,
+        "type": "expense",
+    })

inventory/admin.py

@@ -0,0 +1,83 @@
+from django.contrib import admin
+
+from .models import (
+    InventoryCategory,
+    InventoryLocation,
+    InventoryItem,
+    ProjectInventoryItem,
+    ShoppingItem,
+)
+
+@admin.register(InventoryCategory)
+class InventoryCategoryAdmin(admin.ModelAdmin):
+    list_display = ("name",)
+    search_fields = ("name",)
+
+
+@admin.register(InventoryLocation)
+class InventoryLocationAdmin(admin.ModelAdmin):
+    list_display = ("name",)
+    search_fields = ("name",)
+
+
+@admin.register(InventoryItem)
+class InventoryItemAdmin(admin.ModelAdmin):
+    list_display = (
+        "name",
+        "quantity",
+        "category",
+        "location",
+        "responsible",
+        "article_number",
+    )
+    list_filter = (
+        "category",
+        "location",
+    )
+    search_fields = (
+        "name",
+        "article_number",
+        "description",
+    )
+
+
+@admin.register(ProjectInventoryItem)
+class ProjectInventoryItemAdmin(admin.ModelAdmin):
+    list_display = (
+        "project",
+        "item",
+        "quantity",
+        "status",
+        "created_at",
+    )
+    list_filter = (
+        "status",
+        "project",
+    )
+    search_fields = (
+        "project__name",
+        "item__name",
+    )
+
+
+@admin.register(ShoppingItem)
+class ShoppingItemAdmin(admin.ModelAdmin):
+    list_display = (
+        "name",
+        "project",
+        "quantity",
+        "price",
+        "category",
+        "supplier",
+        "created_at",
+    )
+    list_filter = (
+        "project",
+        "category",
+        "supplier",
+    )
+    search_fields = (
+        "name",
+        "description",
+        "project__name",
+    )

inventory/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class InventoryConfig(AppConfig):
+    name = 'inventory'

inventory/forms.py

@@ -0,0 +1,43 @@
+from django import forms
+
+from .models import InventoryItem, ShoppingItem
+from core.forms.base import BaseForm
+
+
+class InventoryItemForm(BaseForm):
+
+    class Meta:
+        model = InventoryItem
+        fields = [
+            "name",
+            "description",
+            "quantity",
+            "location",
+            "article_number",
+            "responsible",
+            "category",
+        ]
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.apply_style()
+
+
+class ShoppingItemForm(BaseForm):
+
+    class Meta:
+        model = ShoppingItem
+
+        fields = [
+            "name",
+            "description",
+            "quantity",
+            "supplier",
+            "price",
+            "category",
+        ]
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        self.apply_style()

inventory/migrations/0001_initial.py

@@ -0,0 +1,90 @@
+# Generated by Django 6.0.6 on 2026-06-23 22:12
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='InventoryCategory',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True, verbose_name='Name')),
+            ],
+            options={
+                'verbose_name': 'Inventarkategorie',
+                'verbose_name_plural': 'Inventarkategorien',
+                'ordering': ['name'],
+            },
+        ),
+        migrations.CreateModel(
+            name='InventoryLocation',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True, verbose_name='Name')),
+            ],
+            options={
+                'verbose_name': 'Inventarstandort',
+                'verbose_name_plural': 'Inventarstandorte',
+                'ordering': ['name'],
+            },
+        ),
+        migrations.CreateModel(
+            name='ShoppingItem',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Name')),
+                ('description', models.TextField(blank=True, verbose_name='Beschreibung')),
+                ('quantity', models.PositiveIntegerField(default=1, verbose_name='Anzahl')),
+                ('price', models.DecimalField(blank=True, decimal_places=2, max_digits=10, null=True, verbose_name='Preis')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+            ],
+            options={
+                'verbose_name': 'Einkaufslistenartikel',
+                'verbose_name_plural': 'Einkaufslistenartikel',
+                'ordering': ['name'],
+            },
+        ),
+        migrations.CreateModel(
+            name='InventoryItem',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Name')),
+                ('description', models.TextField(blank=True, verbose_name='Beschreibung')),
+                ('quantity', models.PositiveIntegerField(default=0, verbose_name='Anzahl')),
+                ('article_number', models.CharField(blank=True, max_length=255, verbose_name='Artikelnummer')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('category', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='inventory.inventorycategory', verbose_name='Kategorie')),
+                ('responsible', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='Verantwortlicher')),
+                ('location', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='inventory.inventorylocation', verbose_name='Standort')),
+            ],
+            options={
+                'verbose_name': 'Inventarartikel',
+                'verbose_name_plural': 'Inventarartikel',
+                'ordering': ['name'],
+            },
+        ),
+        migrations.CreateModel(
+            name='ProjectInventoryItem',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('quantity', models.PositiveIntegerField(default=1, verbose_name='Anzahl')),
+                ('status', models.CharField(choices=[('open', 'Offen'), ('packed', 'Eingepackt'), ('on_site', 'Vor Ort')], default='open', max_length=20, verbose_name='Status')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('item', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='inventory.inventoryitem', verbose_name='Artikel')),
+            ],
+            options={
+                'verbose_name': 'Projektartikel',
+                'verbose_name_plural': 'Projektartikel',
+            },
+        ),
+    ]

inventory/migrations/0002_initial.py

@@ -0,0 +1,42 @@
+# Generated by Django 6.0.6 on 2026-06-23 22:12
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('finance', '0002_initial'),
+        ('inventory', '0001_initial'),
+        ('projects', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='projectinventoryitem',
+            name='project',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='inventory_items', to='projects.project', verbose_name='Projekt'),
+        ),
+        migrations.AddField(
+            model_name='shoppingitem',
+            name='category',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='finance.category', verbose_name='Kategorie'),
+        ),
+        migrations.AddField(
+            model_name='shoppingitem',
+            name='project',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='shopping_items', to='projects.project', verbose_name='Projekt'),
+        ),
+        migrations.AddField(
+            model_name='shoppingitem',
+            name='supplier',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='finance.supplier', verbose_name='Lieferant'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='projectinventoryitem',
+            unique_together={('project', 'item')},
+        ),
+    ]

inventory/models.py

@@ -0,0 +1,87 @@
+from django.db import models
+from django.contrib.auth.models import User
+from projects.models import Project
+from finance.models import Category, Supplier
+from django.db.models import Sum
+
+class InventoryCategory(models.Model):
+    name = models.CharField(max_length=255, unique=True, verbose_name="Name")
+
+    class Meta:
+        verbose_name = "Inventarkategorie"
+        verbose_name_plural = "Inventarkategorien"
+        ordering = ["name"]
+
+    def __str__(self):
+        return self.name
+
+
+class InventoryLocation(models.Model):
+    name = models.CharField(max_length=255, unique=True, verbose_name="Name")
+
+    class Meta:
+        verbose_name = "Inventarstandort"
+        verbose_name_plural = "Inventarstandorte"
+        ordering = ["name"]
+
+    def __str__(self):
+        return self.name
+
+
+class InventoryItem(models.Model):
+    name = models.CharField(max_length=255, verbose_name="Name")
+    description = models.TextField(blank=True, verbose_name="Beschreibung")
+    quantity = models.PositiveIntegerField(default=0, verbose_name="Anzahl")
+    location = models.ForeignKey(InventoryLocation, on_delete=models.SET_NULL, null=True, blank=True, verbose_name="Standort")
+    article_number = models.CharField(max_length=255, blank=True, verbose_name="Artikelnummer")
+    responsible = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True, verbose_name="Verantwortlicher")
+    category = models.ForeignKey(InventoryCategory, on_delete=models.SET_NULL, null=True, blank=True, verbose_name="Kategorie")
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        verbose_name = "Inventarartikel"
+        verbose_name_plural = "Inventarartikel"
+        ordering = ["name"]
+
+    def __str__(self):
+        return self.name
+
+
+class ProjectInventoryItem(models.Model):
+    class Status(models.TextChoices):
+        OPEN = "open", "Offen"
+        PACKED = "packed", "Eingepackt"
+        ON_SITE = "on_site", "Vor Ort"
+
+    project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name="inventory_items", verbose_name="Projekt")
+    item = models.ForeignKey(InventoryItem, on_delete=models.CASCADE, verbose_name="Artikel")
+    quantity = models.PositiveIntegerField(default=1, verbose_name="Anzahl")
+    status = models.CharField(max_length=20, choices=Status.choices, default=Status.OPEN, verbose_name="Status")
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        verbose_name = "Projektartikel"
+        verbose_name_plural = "Projektartikel"
+        unique_together = ("project", "item")
+
+    def __str__(self):
+        return f"{self.project} - {self.item}"
+
+
+class ShoppingItem(models.Model):
+    project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name="shopping_items", verbose_name="Projekt")
+    name = models.CharField(max_length=255, verbose_name="Name")
+    description = models.TextField(blank=True, verbose_name="Beschreibung")
+    quantity = models.PositiveIntegerField(default=1, verbose_name="Anzahl")
+    supplier = models.ForeignKey(Supplier, on_delete=models.SET_NULL, null=True, blank=True, verbose_name="Lieferant")
+    price = models.DecimalField(max_digits=10, decimal_places=2, null=True, blank=True, verbose_name="Preis")
+    category = models.ForeignKey(Category, on_delete=models.SET_NULL, null=True, blank=True, verbose_name="Kategorie")
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        verbose_name = "Einkaufslistenartikel"
+        verbose_name_plural = "Einkaufslistenartikel"
+        ordering = ["name"]
+
+    def __str__(self):
+        return self.name

inventory/settings_registry.py

@@ -0,0 +1,19 @@
+from masterdata.registry import register_setting
+
+from .models import (
+    InventoryCategory,
+    InventoryLocation,
+)
+
+
+register_setting(
+    group="Inventar",
+    name="Kategorien",
+    model=InventoryCategory,
+)
+
+register_setting(
+    group="Inventar",
+    name="Standorte",
+    model=InventoryLocation,
+)

inventory/tables.py

@@ -0,0 +1,197 @@
+import django_tables2 as tables
+from .models import ProjectInventoryItem, ShoppingItem, InventoryItem
+import django_tables2 as tables
+
+class InventoryGlobalTable(tables.Table):
+    toggle_prefix = "inv"
+    detail_template = "inventory/tables/inventory_global/edit_form.html"
+
+    name = tables.Column(
+        verbose_name="Name"
+    )
+
+    category = tables.Column(
+        verbose_name="Kategorie"
+    )
+
+    available = tables.TemplateColumn(
+        template_name="inventory/tables/inventory_global/available.html",
+        verbose_name="Anzahl",
+        orderable=False
+    )
+
+    location = tables.Column(
+        verbose_name="Standort"
+    )
+
+    article_number = tables.Column(
+        verbose_name="Artikelnummer"
+    )
+
+    class Meta:
+        model = InventoryItem
+        template_name = "django_tables2/table_toggle.html"
+        fields = (
+            "expand",
+            "name",
+            "category",
+            "available",
+            "location",
+            "article_number",
+        )
+        attrs = {
+            "class": "w-full text-sm min-w-[700px]"
+        }
+
+
+class InventoryAddTable(tables.Table):
+    name = tables.Column(
+        accessor="name",
+        verbose_name="Name"
+    )
+
+    category = tables.Column(
+        accessor="category",
+        verbose_name="Kategorie"
+    )
+
+    available = tables.Column(
+        accessor="available_quantity",
+        verbose_name="Verfügbar"
+    )
+
+    article_number = tables.Column(
+        accessor="article_number",
+        verbose_name="Artikelnummer"
+    )
+
+    quantity = tables.TemplateColumn(
+        template_name="inventory/tables/inventory_add/quantity.html",
+        verbose_name="Anzahl hinzufügen",
+        orderable=False
+    )
+
+    class Meta:
+        model = InventoryItem
+        fields = (
+            "name",
+            "category",
+            "available",
+            "article_number",
+            "quantity",
+        )
+        attrs = {
+            "class": "w-full text-sm min-w-[700px]"
+        }
+
+class ShoppingItemTable(tables.Table):
+
+    name = tables.TemplateColumn(
+        template_name="inventory/tables/shopping/name.html",
+        verbose_name="Name"
+    )
+
+    category = tables.TemplateColumn(
+        template_name="inventory/tables/shopping/category.html",
+        verbose_name="Kategorie"
+    )
+
+    quantity = tables.TemplateColumn(
+        template_name="inventory/tables/shopping/quantity.html",
+        verbose_name="Anzahl"
+    )
+
+    supplier = tables.TemplateColumn(
+        template_name="inventory/tables/shopping/supplier.html",
+        verbose_name="Lieferant"
+    )
+
+    price = tables.TemplateColumn(
+        template_name="inventory/tables/shopping/price.html",
+        verbose_name="Preis"
+    )
+
+    description = tables.TemplateColumn(
+        template_name="inventory/tables/shopping/description.html",
+        verbose_name="Beschreibung"
+    )
+
+    actions = tables.TemplateColumn(
+        template_name="inventory/tables/shopping/actions.html",
+        verbose_name="Aktionen",
+        orderable=False
+    )
+
+    class Meta:
+        model = ShoppingItem
+        fields = (
+            "name",
+            "category",
+            "quantity",
+            "supplier",
+            "price",
+            "description",
+            "actions",
+        )
+        attrs = {
+            "class": "w-full text-sm"
+        }
+
+class ProjectInventoryItemTable(tables.Table):
+
+    name = tables.Column(
+        accessor="item.name",
+        verbose_name="Name"
+    )
+
+    category = tables.Column(
+        accessor="item.category",
+        verbose_name="Kategorie"
+    )
+
+    quantity = tables.TemplateColumn(
+        template_name="inventory/tables/quantity.html",
+        verbose_name="Anzahl"
+    )
+
+    location = tables.Column(
+        accessor="item.location",
+        verbose_name="Standort"
+    )
+
+    article_number = tables.Column(
+        accessor="item.article_number",
+        verbose_name="Artikelnummer"
+    )
+
+    responsible = tables.Column(
+        accessor="item.responsible",
+        verbose_name="Verantwortlicher"
+    )
+
+    status = tables.TemplateColumn(
+        template_name="inventory/tables/status.html",
+        verbose_name="Status"
+    )
+
+    actions = tables.TemplateColumn(
+        template_name="inventory/tables/actions.html",
+        verbose_name="Aktionen",
+        orderable=False
+    )
+
+    class Meta:
+        model = ProjectInventoryItem
+        fields = (
+            "name",
+            "category",
+            "quantity",
+            "location",
+            "article_number",
+            "responsible",
+            "status",
+            "actions",
+        )
+        attrs = {
+            "class": "w-full text-sm"
+        }

inventory/templates/inventory/add.html

@@ -0,0 +1,33 @@
+{% extends "base.html" %}
+
+{% block title %}
+{{ project.name }} - Inventar
+{% endblock %}
+
+{% block header_title %}
+Packartikel hinzufügen
+{% endblock %}
+
+{% block header_description %}
+Artikel zur Packliste hinzufügen
+{% endblock %}
+
+{% block content %}
+{% load django_tables2 %}
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+    <form method="post">
+        {% csrf_token %}
+
+        <div class="overflow-x-auto rounded-xl">
+            {% render_table table %}
+        </div>
+
+        <button
+            type="submit"
+            class="btn mt-4 btn-save">
+            Speichern
+        </button>
+    </form>
+</div>
+
+{% endblock %}

inventory/templates/inventory/global/add.html

@@ -0,0 +1,37 @@
+{% extends "base.html" %}
+
+{% block title %}
+Inventar
+{% endblock %}
+
+{% block header_title %}
+Inventarartikel hinzufügen
+{% endblock %}
+
+{% block header_description %}
+Neuen Artikel zum globalen Inventar hinzufügen
+{% endblock %}
+
+{% block content %}
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+
+
+        <form method="post" class="space-y-4">
+            {% csrf_token %}
+
+            <div class="grid grid-cols-1 gap-4">
+                {{ form.as_p }}
+            </div>
+
+            <button
+                type="submit"
+                class="btn mt-4 btn-save">
+                Speichern
+            </button>
+
+        </form>
+
+</div>
+
+{% endblock %}

inventory/templates/inventory/global/overview.html

@@ -0,0 +1,46 @@
+{% extends "base.html" %}
+
+{% block title %}
+Inventar
+{% endblock %}
+
+{% block header_title %}
+Inventar
+{% endblock %}
+
+{% block header_description %}
+Globale Inventarverwaltung
+{% endblock %}
+
+{% block content %}
+{% load django_tables2 %}
+<div class="mb-8">
+    <div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+        <div class="flex flex-col sm:flex-row sm:justify-between sm:items-center gap-4">
+            <div>
+                <h2 class="text-xl font-bold">Aktionen</h2>
+                <p class="text-slate-400 text-sm mt-1">Inventarartikel hinzufügen</p>
+            </div>
+
+            <div class="flex flex-col sm:flex-row gap-2">
+                <a href="{% url 'inventory_global:add' %}" class="btn btn-add">+ Artikel</a>
+            </div>
+            
+        </div>
+    </div>
+</div>
+
+
+<div class="p-6 rounded-xl shadow bg-white dark:bg-slate-800 text-slate-900 dark:text-white transition-colors">
+
+    <div class="mb-6">
+        <h2 class="text-xl font-bold">Inventarliste</h2>
+        <p class="text-slate-400 text-sm mt-1">Gelagerte und verfügbare Artikel</p>
+    </div>
+
+    <div class="overflow-x-auto rounded-xl">
+        {% render_table table %}
+    </div>
+</div>
+
+{% endblock %}