Extract temporary tag management in own methods

Also added way to uniquely identifiying them

server/entertainment_decider/models/entities.py

@@ -156,7 +156,25 @@ class CollectionStats:
 ## Tag & Selection Score's
 
 
+TEMPORARY_TAGS_IDENTIFIER = (
+    "automatic_temporary_tag:82e4509f-e262-463f-8ee5-140ca400ea79"
+)
+"""random static UUID for identification
+
+This string shall not be parsed and only used as a whole.
+"""
+
+
 class Tag(db.Entity, Tagable):
+    @classmethod
+    def gen_temporary_tag(cls, hint: str) -> Tag:
+        """Generates a new, unique and temporary tag. Required for some algorithms."""
+        return Tag(
+            title=f"[A] {hint}",
+            notes=TEMPORARY_TAGS_IDENTIFIER,
+            use_for_preferences=True,
+        )
+
 
     id: int = orm.PrimaryKey(int, auto=True)
 

server/entertainment_decider/preferences/elem_scoring.py

@@ -35,19 +35,16 @@ def generate_preference_list(
     def add_tags_for_collections() -> None:
         collections: Iterable[MediaCollection] = MediaCollection.select()
         for coll in collections:
-            coll.tag_list.add(
-                Tag(
-                    title="Automatic",
-                    use_for_preferences=True,
-                )
+            tag = Tag.gen_temporary_tag(
+                hint=f"Collection: {coll.title}",
             )
+            coll.tag_list.add(tag)
 
     def add_tags_for_extractor_names() -> None:
         @cache
         def get_extractor_tag(extractor_name: str) -> Tag:
-            return Tag(
-                title=f"Automatic for extractor {extractor_name}",
-                use_for_preferences=True,
+            return Tag.gen_temporary_tag(
+                hint=f"Extractor: {extractor_name}",
             )
 
         for element in element_list: