[scrobbling] Refactor webhook and simplify

vrobbler/apps/podcasts/utils.py

@@ -0,0 +1,79 @@
+import logging
+import os
+from urllib.parse import unquote
+
+from dateutil.parser import ParserError, parse
+from podcasts.models import PodcastEpisode
+
+logger = logging.getLogger(__name__)
+
+# TODO This should be configurable in settings or per deploy
+PODCAST_DATE_FORMAT = "YYYY-MM-DD"
+
+
+def parse_mopidy_uri(uri: str) -> dict:
+    logger.debug(f"Parsing URI: {uri}")
+    parsed_uri = os.path.splitext(unquote(uri))[0].split("/")
+
+    episode_str = parsed_uri[-1]
+    podcast_name = parsed_uri[-2].strip()
+    episode_num = None
+    episode_num_pad = 0
+
+    try:
+        # Without episode numbers the date will lead
+        pub_date = parse(episode_str[0:10])
+    except ParserError:
+        episode_num = int(episode_str.split("-")[0])
+        episode_num_pad = len(str(episode_num)) + 1
+
+        try:
+            # Beacuse we have epsiode numbers on
+            pub_date = parse(
+                episode_str[
+                    episode_num_pad : len(PODCAST_DATE_FORMAT)
+                    + episode_num_pad
+                ]
+            )
+        except ParserError:
+            pub_date = ""
+
+    gap_to_strip = 0
+    if pub_date:
+        gap_to_strip += len(PODCAST_DATE_FORMAT)
+    if episode_num:
+        gap_to_strip += episode_num_pad
+
+    episode_name = episode_str[gap_to_strip:].replace("-", " ").strip()
+
+    return {
+        "episode_filename": episode_name,
+        "episode_num": episode_num,
+        "podcast_name": podcast_name,
+        "pub_date": pub_date,
+    }
+
+
+def get_or_create_podcast(post_data: dict):
+    mopidy_uri = post_data.get("mopidy_uri", "")
+    parsed_data = parse_mopidy_uri(mopidy_uri)
+
+    producer_dict = {"name": post_data.get("artist")}
+
+    podcast_name = post_data.get("album")
+    if not podcast_name:
+        podcast_name = parsed_data.get("podcast_name")
+    podcast_dict = {"name": podcast_name}
+
+    episode_name = parsed_data.get("episode_filename")
+    episode_dict = {
+        "title": episode_name,
+        "run_time_seconds": post_data.get("run_time"),
+        "number": parsed_data.get("episode_num"),
+        "pub_date": parsed_data.get("pub_date"),
+        "mopidy_uri": mopidy_uri,
+    }
+
+    return PodcastEpisode.find_or_create(
+        podcast_dict, producer_dict, episode_dict
+    )