feat(bookmark): add article service choice to bookmark model

- Introduced a new service choice 'Article' to the Bookmark model.
- Updated the database migration to reflect the new service choice in the 'service' field of the Bookmark model.
- Enhanced the service validation logic to include checks for the new 'Article' service type.

apps/bookmark/migrations/0003_add_article_service_choice.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.8 on 2025-11-21 03:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bookmark', '0002_rate'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='bookmark',
+            name='service',
+            field=models.CharField(choices=[('library', 'Library'), ('podcast', 'Podcast'), ('hadith', 'Hadith'), ('video', 'Video'), ('article', 'Article')], max_length=20, verbose_name='Service'),
+        ),
+    ]

apps/bookmark/models/bookmark.py

@@ -15,6 +15,7 @@ class Bookmark(models.Model):
         PODCAST = 'podcast', 'Podcast'
         HADITH = 'hadith', 'Hadith'
         VIDEO = 'video', 'Video'
+        ARTICLE = 'article', 'Article'
     
     user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='bookmarks', verbose_name='User')
     service = models.CharField(max_length=20, choices=ServiceChoices.choices, verbose_name='Service')
@@ -75,4 +76,7 @@ class Bookmark(models.Model):
         elif service == cls.ServiceChoices.VIDEO:
             from apps.video.models import Video
             return Video.objects.filter(id=content_id).exists()
+        elif service == cls.ServiceChoices.ARTICLE:
+            from apps.article.models import Article
+            return Article.objects.filter(id=content_id).exists()
         return False