Add podcasts as new media type

vrobbler/apps/podcasts/models.py

@@ -0,0 +1,87 @@
+import logging
+from typing import Dict, Optional
+from uuid import uuid4
+
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from django_extensions.db.models import TimeStampedModel
+
+logger = logging.getLogger(__name__)
+BNULL = {"blank": True, "null": True}
+
+
+class Producer(TimeStampedModel):
+    name = models.CharField(max_length=255)
+    uuid = models.UUIDField(default=uuid4, editable=False, **BNULL)
+
+    def __str__(self):
+        return f"{self.name}"
+
+
+class Podcast(TimeStampedModel):
+    name = models.CharField(max_length=255)
+    uuid = models.UUIDField(default=uuid4, editable=False, **BNULL)
+    producer = models.ForeignKey(
+        Producer, on_delete=models.DO_NOTHING, **BNULL
+    )
+    active = models.BooleanField(default=True)
+    url = models.URLField(**BNULL)
+
+    def __str__(self):
+        return f"{self.name}"
+
+
+class Episode(TimeStampedModel):
+    title = models.CharField(max_length=255)
+    uuid = models.UUIDField(default=uuid4, editable=False, **BNULL)
+    podcast = models.ForeignKey(Podcast, on_delete=models.DO_NOTHING)
+    number = models.IntegerField(**BNULL)
+    pub_date = models.DateField(**BNULL)
+    run_time = models.CharField(max_length=8, **BNULL)
+    run_time_ticks = models.PositiveBigIntegerField(**BNULL)
+    mopidy_uri = models.CharField(max_length=255, **BNULL)
+
+    def __str__(self):
+        return f"{self.title}"
+
+    @classmethod
+    def find_or_create(
+        cls, podcast_dict: Dict, producer_dict: Dict, episode_dict: Dict
+    ) -> Optional["Episode"]:
+        """Given a data dict from Mopidy, finds or creates a podcast and
+        producer before saving the epsiode so it can be scrobbled.
+
+        """
+        if not podcast_dict.get('name'):
+            logger.warning(f"No name from source for podcast, not scrobbling")
+            return
+
+        producer = None
+        if producer_dict.get('name'):
+            producer, producer_created = Producer.objects.get_or_create(
+                **producer_dict
+            )
+            if producer_created:
+                logger.debug(f"Created new producer {producer}")
+            else:
+                logger.debug(f"Found producer {producer}")
+
+        if producer:
+            podcast_dict["producer_id"] = producer.id
+        podcast, podcast_created = Podcast.objects.get_or_create(
+            **podcast_dict
+        )
+        if podcast_created:
+            logger.debug(f"Created new podcast {podcast}")
+        else:
+            logger.debug(f"Found podcast {podcast}")
+
+        episode_dict['podcast_id'] = podcast.id
+
+        episode, created = cls.objects.get_or_create(**episode_dict)
+        if created:
+            logger.debug(f"Created new episode: {episode}")
+        else:
+            logger.debug(f"Found episode {episode}")
+
+        return episode