membershipworks: Add model and admin for EventInvoice

membershipworks/admin.py

@@ -14,6 +14,7 @@ from .models import (
     Event,
     EventExt,
     EventInstructor,
+    EventInvoice,
     EventMeetingTime,
     Flag,
     Member,
@@ -119,9 +120,13 @@ class EventInstructorAdmin(admin.ModelAdmin):
     search_fields = ["name", "member__account_name"]
 
 
+class EventInvoiceInline(admin.StackedInline):
+    model = EventInvoice
+
+
 @admin.register(EventExt)
 class EventAdmin(DjangoObjectActions, admin.ModelAdmin):
-    inlines = [EventMeetingTimeInline]
+    inlines = [EventInvoiceInline, EventMeetingTimeInline]
     list_display = [
         "unescaped_title",
         "start",

membershipworks/migrations/0016_eventinvoice.py

@@ -0,0 +1,41 @@
+# Generated by Django 5.0.2 on 2024-03-08 21:30
+
+import uuid
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("membershipworks", "0015_eventmeetingtime_end_after_start"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="EventInvoice",
+            fields=[
+                (
+                    "uuid",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                ("date_submitted", models.DateField()),
+                ("date_paid", models.DateField(blank=True, null=True)),
+                ("pdf", models.FileField(upload_to="invoices/%Y/%m/%d/")),
+                ("amount", models.DecimalField(decimal_places=4, max_digits=13)),
+                (
+                    "event",
+                    models.OneToOneField(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        related_name="invoice",
+                        to="membershipworks.eventext",
+                    ),
+                ),
+            ],
+        ),
+    ]

membershipworks/models.py

@@ -1,3 +1,4 @@
+import uuid
 from datetime import datetime
 from typing import Optional
 
@@ -576,6 +577,20 @@ class EventMeetingTime(models.Model):
         ]
 
 
+class EventInvoice(models.Model):
+    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    event = models.OneToOneField(
+        EventExt, on_delete=models.PROTECT, related_name="invoice"
+    )
+    date_submitted = models.DateField()
+    date_paid = models.DateField(blank=True, null=True)
+    pdf = models.FileField(upload_to="protected/invoices/%Y/%m/%d/")
+    amount = models.DecimalField(max_digits=13, decimal_places=4)
+
+    def __str__(self) -> str:
+        return f'"{self.event}" submitted={self.date_submitted} paid:{self.date_paid} ${self.amount}'
+
+
 class EventTicketTypeQuerySet(models.QuerySet["EventTicketType"]):
     def group_by_ticket_type(self):
         return self.values("is_members_ticket").annotate(