Fix user model

pflaenzli/pflaenzli/forms.py

@@ -14,6 +14,6 @@ class CreateOfferForm(forms.ModelForm):
 class RegistrationForm(UserCreationForm):
     class Meta(UserCreationForm.Meta):
         model = PflaenzliUser
-        fields = UserCreationForm.Meta.fields + ('zipcode',)
+        fields = UserCreationForm.Meta.fields + ('email', 'zipcode',)
 
     captcha = FrcCaptchaField()

pflaenzli/pflaenzli/migrations/0002_alter_pflaenzliuser_email_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 4.1.7 on 2023-04-09 10:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("pflaenzli", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="pflaenzliuser",
+            name="email",
+            field=models.EmailField(max_length=254),
+        ),
+        migrations.AlterField(
+            model_name="pflaenzliuser",
+            name="zipcode",
+            field=models.PositiveIntegerField(blank=True, null=True),
+        ),
+    ]

pflaenzli/pflaenzli/models.py

@@ -6,7 +6,8 @@ from django.core.files.storage import default_storage
 
 
 class PflaenzliUser(AbstractUser):
-    zipcode = models.PositiveIntegerField(blank=True)
+    email = models.EmailField(max_length=254)
+    zipcode = models.PositiveIntegerField(blank=True, null=True)
 
 
 class Offer(models.Model):