Add generalized cover field for scobblable things

vrobbler/apps/podcasts/models.py

@@ -29,6 +29,7 @@ class Podcast(TimeStampedModel):
     )
     active = models.BooleanField(default=True)
     url = models.URLField(**BNULL)
+    cover = models.ImageField(upload_to="pdocasts/covers/", **BNULL)
 
     def __str__(self):
         return f"{self.name}"
@@ -53,6 +54,13 @@ class Episode(ScrobblableMixin):
     def info_link(self):
         return ""
 
+    @property
+    def primary_image_url(self) -> str:
+        url = ""
+        if self.podcast.cover:
+            url = self.podcast.cover.url
+        return url
+
     @classmethod
     def find_or_create(
         cls, podcast_dict: Dict, producer_dict: Dict, episode_dict: Dict