add tags models

.gitignore

@@ -21,7 +21,7 @@ Thumbs.db
 .redis-stable
 
 # Python
-__pycache__
+__pycache__/
 *.pyc
 
 # Development

apps/core/admin.py

 from django.contrib import admin
+from django.contrib.contenttypes.admin import GenericTabularInline
 
 from . import models
 
 
+class TagAdmin(admin.ModelAdmin):
+    list_display = ['id', 'name']
+    search_fields = ['name']
+
+
+class TagToObjectAdmin(admin.ModelAdmin):
+    list_display = ['id', 'tag', 'object_id', 'content_type']
+    search_fields = ['tag__name', 'object_id', 'content_type__name']
+    autocomplete_fields = ['tag']
+
+
+class TagInline(GenericTabularInline):
+    model = models.TagToObject
+    autocomplete_fields = ['tag']
+    extra = 0
+    verbose_name = 'Tag'
+    classes = ['collapse']
+
+
 class VideoAdmin(admin.ModelAdmin):
     list_display = ['id', 'title', 'slug', 'status', 'duration']
     readonly_fields = ['created', 'updated']
     list_filter = ('status',)
+    inlines = [TagInline]
 
     def save_model(self, request, obj, form, change):
         obj.creator = request.user
@@ -25,3 +46,5 @@ class CategoryAdmin(admin.ModelAdmin):
 admin.site.register(models.Video, VideoAdmin)
 admin.site.register(models.Playlist, PlayListAdmin)
 admin.site.register(models.Category, CategoryAdmin)
+admin.site.register(models.Tag, TagAdmin)
+admin.site.register(models.TagToObject, TagToObjectAdmin)

apps/core/migrations/0002_category_video_closed_captions_video_creator_and_more.py → apps/core/migrations/0002_category_tag_alter_video_options_and_more.py

-# Generated by Django 4.1.7 on 2023-03-06 14:07
+# Generated by Django 4.1.7 on 2023-03-06 16:31
 
 import apps.core.utils
 from django.conf import settings
@@ -11,6 +11,7 @@ class Migration(migrations.Migration):
 
     dependencies = [
         migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('contenttypes', '0002_remove_content_type_name'),
         ('core', '0001_initial'),
     ]
 
@@ -21,6 +22,27 @@ class Migration(migrations.Migration):
                 ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('name', models.CharField(db_index=True, max_length=255, verbose_name='name')),
             ],
+            options={
+                'verbose_name': 'Category',
+                'verbose_name_plural': 'Categories',
+                'ordering': ('name',),
+            },
+        ),
+        migrations.CreateModel(
+            name='Tag',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(db_index=True, max_length=255, verbose_name='name')),
+            ],
+            options={
+                'verbose_name': 'Tag',
+                'verbose_name_plural': 'Tags',
+                'ordering': ('name',),
+            },
+        ),
+        migrations.AlterModelOptions(
+            name='video',
+            options={'ordering': ('title',), 'verbose_name': 'Video', 'verbose_name_plural': 'Videos'},
         ),
         migrations.AddField(
             model_name='video',
@@ -73,6 +95,19 @@ class Migration(migrations.Migration):
             name='title',
             field=models.CharField(max_length=255, verbose_name='title'),
         ),
+        migrations.CreateModel(
+            name='TagToObject',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('object_id', models.PositiveIntegerField(blank=True, null=True, verbose_name='object_id')),
+                ('content_type', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='content_type_tag', to='contenttypes.contenttype', verbose_name='content type')),
+                ('tag', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='tag', to='core.tag')),
+            ],
+            options={
+                'verbose_name': 'Tag to object',
+                'verbose_name_plural': 'Tags to objects',
+            },
+        ),
         migrations.CreateModel(
             name='Playlist',
             fields=[
@@ -84,6 +119,8 @@ class Migration(migrations.Migration):
                 ('videos', models.ManyToManyField(related_name='playlist', to='core.video')),
             ],
             options={
+                'verbose_name': 'Playlist',
+                'verbose_name_plural': 'Playlists',
                 'ordering': ('title',),
             },
         ),

apps/core/models.py

 from django.db import models
 from django.utils.translation import gettext_lazy as _
 from django.contrib.auth.models import User
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
 
 from pytils.translit import slugify
 
@@ -27,9 +29,45 @@ class BaseModel(models.Model):
         abstract = True
 
 
+class Tag(models.Model):
+    name = models.CharField(_('name'), max_length=255, db_index=True)
+
+    class Meta:
+        ordering = ('name',)
+        verbose_name = 'Tag'
+        verbose_name_plural = 'Tags'
+
+    def __str__(self):
+        return self.name
+
+
+class TagToObject(models.Model):
+    tag = models.ForeignKey(Tag, on_delete=models.CASCADE, related_name='tag')
+    content_type = models.ForeignKey(
+        ContentType,
+        on_delete=models.CASCADE,
+        related_name='content_type_tag',
+        verbose_name=_('content type'),
+    )
+    object_id = models.PositiveIntegerField(_('object_id'), blank=True, null=True)
+    content_object = GenericForeignKey('content_type', 'object_id')
+
+    class Meta:
+        verbose_name = 'Tag to object'
+        verbose_name_plural = 'Tags to objects'
+
+    def __str__(self):
+        return str(self.id)
+
+
 class Category(models.Model):
     name = models.CharField('name', max_length=255, db_index=True)
 
+    class Meta:
+        ordering = ('name',)
+        verbose_name = 'Category'
+        verbose_name_plural = 'Categories'
+
     def __str__(self):
         return self.name
 
@@ -85,9 +123,12 @@ class Video(BaseModel):
         related_name='video',
         blank=True,
     )
+    tags = GenericRelation(TagToObject)
 
     class Meta:
         ordering = ('title',)
+        verbose_name = 'Video'
+        verbose_name_plural = 'Videos'
 
     def __str__(self):
         return self.title
@@ -103,9 +144,12 @@ class Playlist(BaseModel):
     title = models.CharField(_('title'), max_length=255)
     description = models.TextField(_('description'), blank=True, null=True)
     videos = models.ManyToManyField(Video, related_name='playlist')
+    tags = GenericRelation(TagToObject)
 
     class Meta:
         ordering = ('title',)
+        verbose_name = 'Playlist'
+        verbose_name_plural = 'Playlists'
 
     def __str__(self):
         return self.title