category and tag functionality

api/serializers/category.py

@@ -3,8 +3,6 @@ from web.models.category import Category
 
 
 class CategorySerializer(serializers.ModelSerializer):
-    # to_representation(self, instance) if needed
-    # fk = Serializer()
 
     class Meta:
         model = Category

api/serializers/event.py

@@ -1,12 +1,41 @@
 from rest_framework import serializers
+from django.forms.models import model_to_dict
 from web.models.event import Event
+from web.models.event_category import EventCategory
+from web.models.event_tag import EventTag
 
 
 class EventSerializer(serializers.ModelSerializer):
-    # to_representation(self, instance) if needed
-    # fk = Serializer()
 
     class Meta:
         model = Event
         fields = '__all__'
 
+    def to_representation(self, instance):
+        representation = super().to_representation(instance)
+
+        event_categories = EventCategory.objects.filter(event=instance).filter(active=True).all()
+        event_tags = EventTag.objects.filter(event=instance).filter(active=True).all()
+
+        categories = []
+        if event_categories.exists():
+            for event_category in event_categories:
+                categories.append({
+                    'id': event_category.category.id,
+                    'name': event_category.category.name,
+                    'description': event_category.category.description,
+                    '_meta': model_to_dict(event_category)
+                })
+
+        tags = []
+        if event_tags.exists():
+            for event_tag in event_tags:
+                tags.append({
+                    'id': event_tag.tag.id,
+                    'name': event_tag.tag.name,
+                    '_meta': model_to_dict(event_tag)
+                })
+
+        representation['categories'] = categories
+        representation['tags'] = tags
+        return representation

api/serializers/event_category.py

@@ -0,0 +1,10 @@
+from rest_framework import serializers
+
+from web.models.event_category import EventCategory
+
+
+class EventCategorySerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = EventCategory
+        fields = "all"

api/serializers/event_tag.py

@@ -0,0 +1,10 @@
+from rest_framework import serializers
+
+from web.models.event_tag import EventTag
+
+
+class EventTagSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = EventTag
+        fields = "all"

api/views/base.py

@@ -15,7 +15,7 @@ class BaseView(APIView):
     def _build_multi_response(self, data):
         serialized_data = []
         for d in data:
-            serializer = self.SERIALIZER(data)
+            serializer = self.SERIALIZER(d)
             serialized_data.append(serializer.data)
 
         response = Response()

api/views/event.py

@@ -1,19 +1,25 @@
 import json
 
+from django.db import transaction
 from django.shortcuts import get_object_or_404
 
 from api.serializers.event import EventSerializer
 from api.views.base import BaseView
+from web.models.category import Category
+from web.models.event_category import EventCategory
 from web.models.event import Event
+from web.models.tag import Tag
+from web.models.event_tag import EventTag
 
 
 class EventView(BaseView):
     SERIALIZER = EventSerializer
 
     def get(self, request, event_id):
-        event = get_object_or_404(Event, pk=event_id)
+        event = get_object_or_404(Event, pk=event_id, active=True)
         return self._build_response(event)
 
+    @transaction.atomic
     def post(self, request):
         data = json.loads(request.body)
         event = Event(
@@ -32,8 +38,41 @@ class EventView(BaseView):
         )
 
         event.save()
+
+        categories = data.get('categories', [])
+        self._create_event_categories(categories, event)
+
+        tag_names = data.get('tags', [])
+        self._create_event_tags(tag_names, event)
+
         return self._build_response(event)
 
+    def _create_event_categories(self, categories, event):
+        event_categories = []
+        for category_id in categories:
+            category = get_object_or_404(Category, pk=category_id)
+            event_category = EventCategory(
+                event=event,
+                category=category
+            )
+
+            event_categories.append(event_category)
+        EventCategory.objects.bulk_create(event_categories)
+
+    def _create_event_tags(self, tag_names, event):
+        event_tags = []
+        for tag_name in tag_names:
+            tag, created = Tag.objects.get_or_create(name=tag_name)
+
+            event_tag = EventTag(
+                tag=tag,
+                event=event
+            )
+
+            event_tags.append(event_tag)
+        EventTag.objects.bulk_create(event_tags)
+
+    @transaction.atomic
     def put(self, request, event_id):
         data = json.loads(request.body)
 
@@ -52,9 +91,64 @@ class EventView(BaseView):
         event.email = data.get('email', event.email)
         event.phone_number = data.get('phone_number', event.phone_number)
 
+        categories = data.get('categories', [])
+        self._update_event_categories(categories, event)
+
+        tag_names = data.get('tags', [])
+        self._update_event_tags(tag_names, event)
+
         event.save()
         self._build_response(event)
 
+    def _update_event_categories(self, categories, event):
+        if categories:
+            current_event_categories = EventCategory.objects.filter(event=event).filter(active=True).all()
+            current_event_category_map = {ec.category.id: ec for ec in current_event_categories}
+
+            for current_event_category in current_event_categories:
+                if current_event_category.category.id not in categories:
+                    current_event_category.active = False
+                    current_event_category.save()
+
+            new_event_categories = []
+            for category_id in categories:
+                category = get_object_or_404(Category, pk=category_id)
+                if category not in current_event_category_map:
+                    event_category = EventCategory(
+                        category=category,
+                        event=event
+                    )
+
+                    new_event_categories.append(event_category)
+
+        if new_event_categories:
+            EventCategory.objects.bulk_create(new_event_categories)
+
+    def _update_event_tags(self, tag_names, event):
+        if tag_names:
+            current_event_tags = EventTag.objects.filter(event=event).filter(active=True).all()
+            current_event_tag_names = [x.name for x in current_event_tags]
+
+            for current_event_tag in current_event_tags:
+                if current_event_tag.tag.name not in tag_names:
+                    current_event_tag.active = False
+                    current_event_tag.save()
+
+            new_event_tags = []
+            for tag_name in tag_names:
+                if tag_name not in current_event_tag_names:
+                    tag, created = Tag.objects.get_or_create(name=tag_name)
+
+                    event_tag = EventTag(
+                        tag=tag,
+                        event=event
+                    )
+
+                    new_event_tags.append(event_tag)
+
+            if new_event_tags:
+                EventTag.objects.bulk_create(new_event_tags)
+
     def delete(self, request, event_id):
         event = get_object_or_404(Event, pk=event_id)
         event.active = False

test_requests/event_post.py

@@ -3,7 +3,7 @@ import requests
 url = "http://127.0.0.1:8000/api/event"
 
 data = {
-    "name": "Test Event 2",
+    "name": "Test Event 3",
     "description": "this is a test",
     "url": "https://www.domdit.com",
     "address": "31 Fleetwood Dr Hazlet Nj",
@@ -14,8 +14,11 @@ data = {
     "end_time": "2026-08-14T01:34:38Z",
     "rain_date": "2026-06-15T01:34:42Z",
     "email": "me@domdit.com",
-    "phone_number": ""
+    "phone_number": "",
+    "categories": [1],
+    "tags": ["tag1", "tag2", "tag4"]
+
 }
 
-resp = requests.post(url, data=data)
+resp = requests.post(url, json=data)
 print(resp.status_code)

web/migrations/0002_alter_eventcategory_category.py

@@ -0,0 +1,23 @@
+# Generated by Django 6.0.6 on 2026-06-21 00:12
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("web", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="eventcategory",
+            name="category",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="category",
+                to="web.category",
+            ),
+        ),
+    ]

web/models/event_category.py

@@ -7,7 +7,7 @@ from web.models.category import Category
 
 class EventCategory(BaseModel):
     event = models.ForeignKey(Event, on_delete=models.CASCADE)
-    category = models.ForeignKey(Category, on_delete=models.CASCADE)
+    category = models.ForeignKey(Category, on_delete=models.CASCADE, related_name="category")
 
     class Meta:
         db_table = 'event_categories'