Initial commit

2026-06-27 17:07:34 +00:00
commit fb47c53d52
256 changed files with 21270 additions and 0 deletions
@@ -0,0 +1,131 @@
+from django.db import models
+from django.contrib.auth import get_user_model
+from invoices.models import Customer, CustomerContact, CustomerLocation
+import os
+
+User = get_user_model()
+
+def logo_upload_path(instance, filename):
+    return f"projects/{instance.id}/logo/{filename}"
+
+class Project(models.Model):
+    name = models.CharField(max_length=255, verbose_name="Name")
+    logo = models.ImageField(upload_to=logo_upload_path, blank=True, null=True, verbose_name="Logo")
+    color = models.CharField(max_length=20, default="#2563eb", verbose_name="Farbe")
+    icon = models.CharField(max_length=100, blank=True, verbose_name="Icon")
+    active = models.BooleanField(default=True, verbose_name="Status")
+    customer = models.ForeignKey(
+        Customer,
+        on_delete=models.PROTECT,
+        null=True,
+        blank=True,
+        related_name="projects",
+        verbose_name="Kunde"
+    )
+    hourly_rate = models.DecimalField(max_digits=10,decimal_places=2,default=25,verbose_name="Stundenlohn")
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    def save(self, *args, **kwargs):
+        customer_changed = False
+
+        if self.pk:
+            old_customer_id = (
+                Project.objects
+                .filter(pk=self.pk)
+                .values_list("customer_id", flat=True)
+                .first()
+            )
+
+            customer_changed = old_customer_id != self.customer_id
+
+        super().save(*args, **kwargs)
+
+        if customer_changed:
+            self.project_contacts.all().delete()
+            self.project_locations.all().delete()
+
+    def __str__(self):
+        return self.name
+
+
+class ProjectMembership(models.Model):
+    class Role(models.TextChoices):
+        OWNER = "owner", "Eigentümer"
+        MANAGER = "manager", "Manager"
+        EMPLOYEE = "employee", "Mitarbeiter"
+
+    project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name="memberships")
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name="project_memberships")
+    role = models.CharField(max_length=20, choices=Role.choices, default=Role.EMPLOYEE)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        unique_together = ("project", "user")
+
+    def __str__(self):
+        return f"{self.user} - {self.project} ({self.role})"
+
+
+class ProjectContact(models.Model):
+    project = models.ForeignKey(
+        "projects.Project",
+        on_delete=models.CASCADE,
+        related_name="project_contacts",
+        verbose_name="Projekt"
+    )
+
+    contact = models.ForeignKey(
+        CustomerContact,
+        on_delete=models.CASCADE,
+        related_name="project_links",
+        verbose_name="Ansprechpartner"
+    )
+
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="Erstellt am")
+
+    def clean(self):
+        super().clean()
+
+        if not self.project_id or not self.location_id:
+            return
+
+        if self.location.customer_id != self.project.customer_id:
+            raise ValidationError({
+                "location": "Der Ansprechpartner gehört nicht zum Kunden des Projekts."
+            })
+
+    class Meta:
+        unique_together = ("project", "contact")
+
+
+class ProjectLocation(models.Model):
+    project = models.ForeignKey(
+        "projects.Project",
+        on_delete=models.CASCADE,
+        related_name="project_locations",
+        verbose_name="Projekt"
+    )
+
+    location = models.ForeignKey(
+        CustomerLocation,
+        on_delete=models.CASCADE,
+        related_name="project_links",
+        verbose_name="Standort"
+    )
+
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="Erstellt am")
+
+    def clean(self):
+        super().clean()
+
+        if not self.project_id or not self.location_id:
+            return
+
+        if self.location.customer_id != self.project.customer_id:
+            raise ValidationError({
+                "location": "Der Standort gehört nicht zum Kunden des Projekts."
+            })
+
+    class Meta:
+        unique_together = ("project", "location")