Add event sub topics feature

event_sub_topics/admin.py

@@ -0,0 +1,5 @@
+from django.contrib import admin
+
+from .models import EventSubTopic
+
+admin.site.register(EventSubTopic)

event_sub_topics/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class EventSubTopicsConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "event_sub_topics"

event_sub_topics/migrations/0001_initial.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.0 on 2023-12-18 13:47
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('event_topics', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='EventSubTopic',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200, null=True)),
+                ('slug', models.CharField(max_length=200, null=True)),
+                ('event_topic_id', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='event_topics.eventtopic')),
+            ],
+            options={
+                'indexes': [models.Index(fields=['slug', 'event_topic_id'], name='event_sub_t_slug_e7fe13_idx')],
+            },
+        ),
+    ]

event_sub_topics/models.py

@@ -0,0 +1,20 @@
+from django.db import models
+
+
+class EventSubTopic(models.Model):
+    name = models.CharField(max_length=200, null=True)
+    slug = models.CharField(max_length=200, null=True)
+
+    event_topic_id = models.ForeignKey(
+        "event_topics.EventTopic",
+        on_delete=models.CASCADE,
+        null=True,
+    )
+
+    class Meta:
+        indexes = [
+            models.Index(fields=["slug", "event_topic_id"]),
+        ]
+
+    def __str__(self):
+        return f"{self.name} ({self.slug}) - {self.event_topic_id}"

event_sub_topics/serializer.py

@@ -0,0 +1,9 @@
+from rest_framework import serializers
+
+from .models import EventSubTopic
+
+
+class EventSubTopicSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = EventSubTopic
+        fields = ("id", "name", "slug", "event_topic_id")

event_sub_topics/tests.py

@@ -0,0 +1 @@
+# Create your tests here.

event_sub_topics/urls.py

@@ -0,0 +1,21 @@
+from django.urls import path
+
+from .views import EventSubTopicCreate, EventSubTopicList, EventSubTopicRetrieve, EventSubTopicRetrieveUpdate
+
+urlpatterns = [
+    path("event-sub-topics/", EventSubTopicCreate.as_view(), name="event_sub_topic_create"),
+    path("event-sub-topics/<int:pk>/", EventSubTopicRetrieveUpdate.as_view(), name="event_sub_topic_detail"),
+    path(
+        "event-topics/<int:event_topic_id>/event-sub-topics", EventSubTopicList.as_view(), name="event_sub_topic_list"
+    ),
+    path(
+        "events/<int:event_id>/event-sub-topic",
+        EventSubTopicRetrieve.as_view(),
+        name="event_event_sub_topic_view_detail",
+    ),
+    path(
+        "custom-placeholders/<int:custom_placeholder_id>/event-sub-topic",
+        EventSubTopicRetrieve.as_view(),
+        name="custom_placeholder_event_sub_topic_view_detail",
+    ),
+]

event_sub_topics/views.py

@@ -0,0 +1,46 @@
+from rest_framework import generics
+
+from open_event_api.permissions import IsSuperAdminForUpdate
+
+from .models import EventSubTopic
+from .serializer import EventSubTopicSerializer
+
+
+class EventSubTopicCreate(generics.CreateAPIView):
+    """Allows creation of EventSubTopic."""
+
+    serializer_class = EventSubTopicSerializer
+
+
+class EventSubTopicList(generics.ListAPIView):
+    """Allows listing EventSubTopic."""
+
+    queryset = EventSubTopic.objects.all()
+    serializer_class = EventSubTopicSerializer
+
+    # Fields to allow sorting by
+    ordering_fields = ["name"]
+
+
+class EventSubTopicRetrieve(generics.RetrieveAPIView):
+    """Allows viewing of the related EventSubTopic."""
+
+    queryset = EventSubTopic.objects.all()
+    serializer_class = EventSubTopicSerializer
+
+    def get(self, request, *args, **kwargs):
+        if kwargs.get("event_id") is not None:
+            # TODO: implement fetching event sub topic by event id
+            self.kwargs["pk"] = 1
+        if kwargs.get("custom_placeholder_id") is not None:
+            # TODO: implement fetching event sub topic by custom placeholder id
+            self.kwargs["pk"] = 1
+
+        return self.retrieve(request, *args, **kwargs)
+
+
+class EventSubTopicRetrieveUpdate(generics.RetrieveUpdateAPIView):
+    """Allows viewing and updating of EventSubTopic."""
+
+    permission_classes = (IsSuperAdminForUpdate,)
+    serializer_class = EventSubTopicSerializer

open_event_api/settings.py

@@ -57,6 +57,7 @@
     "notification_contents.apps.NotificationContentsConfig",
     "video_channels.apps.VideoChannelsConfig",
     "services.apps.ServicesConfig",
+    "event_sub_topics.apps.EventSubTopicsConfig",
 ]
 
 MIDDLEWARE = [

open_event_api/urls.py

@@ -35,6 +35,7 @@
     path("v2/", include("event_types.urls")),
     path("v2/", include("panel_permissions.urls")),
     path("v2/", include("services.urls")),
+    path("v2/", include("event_sub_topics.urls")),
     path("v2/custom-system-roles/", include("custom_sys_roles.urls")),
     # api docs via spectacular
     path("v2/schema/", SpectacularAPIView.as_view(), name="schema"),