Initial commit

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}"