podcasts serializer and api updated

apps/podcast/models.py

@@ -1,6 +1,7 @@
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 from django.conf import settings
+import datetime
 
 from utils import generate_slug_for_model
 from utils.mixins import LowercaseSlugMixin
@@ -119,7 +120,6 @@ class Podcast(LowercaseSlugMixin, models.Model):
             file_changed = True
             
         if not self.audio_time:
-            import datetime
             self.audio_time = datetime.time(0, 0, 0)
             
         super().save(*args, **kwargs)

apps/podcast/serializers_dovodi.py

@@ -1,6 +1,6 @@
 from rest_framework import serializers
 
-from .models import Podcast, PodcastCategory, PodcastCollection
+from .models import Podcast, PodcastCategory, PodcastCollection, PodcastPlaylist, PlaylistItem
 from .serializers_admin import AbsoluteFileField, AbsoluteImageField
 
 
@@ -50,6 +50,8 @@ class DovodiPodcastItemSerializer(serializers.ModelSerializer):
     audio_file = AbsoluteFileField(required=False, allow_null=True)
     remove_thumbnail = serializers.BooleanField(write_only=True, required=False, default=False)
     remove_audio_file = serializers.BooleanField(write_only=True, required=False, default=False)
+    playlist = serializers.IntegerField(required=False, allow_null=True, write_only=True)
+    playlist_id = serializers.SerializerMethodField(read_only=True)
 
     class Meta:
         model = Podcast
@@ -64,17 +66,31 @@ class DovodiPodcastItemSerializer(serializers.ModelSerializer):
             "status",
             "view_count",
             "download_count",
+            "playlist",
+            "playlist_id",
             "created_at",
             "updated_at",
             "remove_thumbnail",
             "remove_audio_file",
         ]
-        read_only_fields = ["id", "view_count", "download_count", "created_at", "updated_at"]
+        read_only_fields = ["id", "view_count", "download_count", "playlist_id", "created_at", "updated_at"]
+
+    def get_playlist_id(self, obj):
+        appearance = obj.playlist_appearances.first()
+        return appearance.playlist_id if appearance else None
 
     def create(self, validated_data):
+        playlist_id = validated_data.pop("playlist", None)
         validated_data.pop("remove_thumbnail", False)
         validated_data.pop("remove_audio_file", False)
-        return super().create(validated_data)
+        instance = super().create(validated_data)
+        if playlist_id:
+            try:
+                playlist = PodcastPlaylist.objects.get(id=playlist_id)
+                PlaylistItem.objects.create(playlist=playlist, podcast=instance, priority=playlist.playlist_items.count() + 1)
+            except PodcastPlaylist.DoesNotExist:
+                pass
+        return instance
 
     def update(self, instance, validated_data):
         remove_thumbnail = validated_data.pop("remove_thumbnail", False)
@@ -88,4 +104,18 @@ class DovodiPodcastItemSerializer(serializers.ModelSerializer):
             instance.audio_file.delete(save=False)
             instance.audio_file = None
 
-        return super().update(instance, validated_data)
+        playlist_in_payload = "playlist" in self.initial_data
+        playlist_id = validated_data.pop("playlist", None)
+
+        instance = super().update(instance, validated_data)
+
+        if playlist_in_payload:
+            instance.playlist_appearances.all().delete()
+            if playlist_id:
+                try:
+                    playlist = PodcastPlaylist.objects.get(id=playlist_id)
+                    PlaylistItem.objects.create(playlist=playlist, podcast=instance, priority=playlist.playlist_items.count() + 1)
+                except PodcastPlaylist.DoesNotExist:
+                    pass
+
+        return instance