TVMaze: Auto remove older episodes

server/entertainment_decider/extractors/collection/base.py

@@ -8,6 +8,7 @@ from typing import (
     Callable,
     Mapping,
     Optional,
+    Set,
     TypeVar,
 )
 
@@ -130,6 +131,17 @@ class CollectionExtractor(GeneralExtractor[MediaCollection, T]):
             )
         return element
 
+    def _remove_older_episodes(
+        self,
+        collection: MediaCollection,
+        current_set: Set[MediaElement],
+    ) -> None:
+        all_set = {link.element for link in collection.media_links}
+        missing_set = all_set - current_set
+        for elem in missing_set:
+            if not elem.skip_over:
+                elem.delete()
+
     def _sort_episodes(self, coll: MediaCollection) -> None:
         sorting_methods: Mapping[int, Callable[[MediaCollectionLink], Any]] = {
             1: lambda l: l.element.release_date,

server/entertainment_decider/extractors/collection/tvmaze.py

@@ -137,7 +137,7 @@ class TvmazeCollectionExtractor(CollectionExtractor[TvmazeShowEmbedded]):
         for episode in data["_embedded"]["episodes"]:
             if episode["airstamp"] is not None:
                 add_embedding(episode, "show", data)
-                self._inject_episode(
+                elem = self._inject_episode(
                     collection=object,
                     data=ExtractedDataOnline[TvmazeEpisodeEmbedded](
                         extractor_name="tvmaze",
@@ -148,4 +148,10 @@ class TvmazeCollectionExtractor(CollectionExtractor[TvmazeShowEmbedded]):
                     season=episode["season"],
                     episode=episode["number"],
                 )
+                if elem is not None:
+                    elem_set.add(elem)
+        self._remove_older_episodes(
+            collection=object,
+            current_set=elem_set,
+        )
         return ChangedReport.ChangedSome  # TODO improve