feat: add Rate model to allow users to rate content across various services. and fix the round value of avg ratings.

apps/bookmark/models/rate.py

@@ -17,8 +17,10 @@ class Rate(models.Model):
         PODCAST = 'podcast', 'Podcast'
         PODCAST_PLAYLIST = 'podcast_playlist', 'Podcast Playlist'
         HADITH = 'hadith', 'Hadith'
+        HADITH_CORRECTION = 'hadith_correction', 'Hadith Correction'
         VIDEO = 'video', 'Video'
         VIDEO_PLAYLIST = 'video_playlist', 'Video Playlist'
+        ARTICLE = 'article', 'Article'
     
     user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='rates', verbose_name='User')
     service = models.CharField(max_length=20, choices=ServiceChoices.choices, verbose_name='Service')
@@ -101,6 +103,12 @@ class Rate(models.Model):
         elif service == cls.ServiceChoices.VIDEO_PLAYLIST:
             from apps.video.models import VideoPlaylist
             return VideoPlaylist.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()
+        elif service == cls.ServiceChoices.HADITH_CORRECTION:
+            from apps.hadis.models import HadisCorrection
+            return HadisCorrection.objects.filter(id=content_id).exists()
         return False
     
     @classmethod
@@ -121,5 +129,6 @@ class Rate(models.Model):
             status=True
         ).aggregate(avg_rate=Avg('rate'))
         
-        return result['avg_rate']
+        avg_rate = result['avg_rate']
+        return round(avg_rate, 2) if avg_rate is not None else None