unlink users from payments, delete payback model and other small model changes

gaehsnitz/migrations/0002_remove_donation_from_user_remove_payment_from_user_and_more.py

@@ -0,0 +1,29 @@
+# Generated by Django 5.0.6 on 2024-06-11 21:43
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gaehsnitz', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='donation',
+            name='from_user',
+        ),
+        migrations.RemoveField(
+            model_name='payment',
+            name='from_user',
+        ),
+        migrations.AlterField(
+            model_name='consumption',
+            name='day',
+            field=models.PositiveSmallIntegerField(choices=[(1, 'Do'), (2, 'Fr'), (3, 'Sa'), (4, 'So')]),
+        ),
+        migrations.DeleteModel(
+            name='Payback',
+        ),
+    ]

gaehsnitz/models.py

@@ -20,11 +20,6 @@ class User(AbstractUser):
     def free_drinks(self):
         return self.consumption_list.filter(for_free=True)
 
-    @property
-    def donations_made(self):
-        query = self.donations.aggregate(sum=Sum("amount"))
-        return query["sum"] or 0
-
     @property
     def consumed_drinks_price(self):
         query = self.paid_drinks \
@@ -32,25 +27,8 @@ class User(AbstractUser):
             .aggregate(sum=Sum("cost"))
         return query["sum"] or 0
 
-    @property
-    def other_payments_made(self):
-        query = self.payments.aggregate(sum=Sum("amount"))
-        return query["sum"] or 0
-
-    @property
-    def paybacks_received(self):
-        query = self.paybacks.aggregate(sum=Sum("amount"))
-        return query["sum"] or 0
-
-    @property
-    def balance(self):
-        return self.donations_made - self.consumed_drinks_price + self.other_payments_made - self.paybacks_received
-
 
 class Donation(models.Model):
-    from_user = models.ForeignKey(
-        to=User, on_delete=models.PROTECT,
-        related_name="donations", related_query_name="donation")
     date = models.DateField()
     amount = PriceField()
     note = models.CharField(max_length=64, blank=True, default="")
@@ -65,19 +43,8 @@ class Payment(models.Model):
     purpose = models.CharField(max_length=64)
     date = models.DateField()
     amount = PriceField()
-    from_user = models.ForeignKey(
-        to=User, on_delete=models.PROTECT,
-        related_name="payments", related_query_name="payment")
 
 
-class Payback(models.Model):
-    to_user = models.ForeignKey(
-        to=User, on_delete=models.PROTECT,
-        related_name="paybacks", related_query_name="payback")
-    date = models.DateField()
-    amount = PriceField()
-    note = models.CharField(max_length=64, blank=True, default="")
-
 
 class Drink(models.Model):
     name = models.CharField(max_length=32, unique=True)
@@ -166,5 +133,5 @@ class Consumption(models.Model):
         to=Drink, on_delete=models.CASCADE,
         related_name="consumption_list", related_query_name="consumption")
     amount = models.PositiveSmallIntegerField()
-    day = models.PositiveSmallIntegerField(choices=[(1, "Do"), (2, "Fr"), (3, "Sa")])
+    day = models.PositiveSmallIntegerField(choices=[(1, "Do"), (2, "Fr"), (3, "Sa"), (4, "So")])
     for_free = models.BooleanField(default=False)