delete remove content items:

 - this was missing the whole time, I just noticed, that removed items aren't removed
 - this now removes not present items

src/content/base_class.py

@@ -21,6 +21,7 @@
     ScannedFile,
     ScannedFileType,
     Summary,
+    safe_index,
 )
 
 ContentCharacteristic = tuple[Optional[ContentType], ScannedFileType]
@@ -136,13 +137,14 @@ def process_folder(
                 results.append(result)
 
         value = (parent_type, ScannedFileType.folder)
-        callback.finish(directory.name, parent_folders, value)
+        callback.finish(directory.name, parent_folders, 0, value)
 
         return results
 
     already_scanned_file_paths: list[Path] = [
         content.scanned_file.path for content in rescan
     ]
+    scanned_file_registry: list[bool] = [False for _ in rescan]
 
     for file_path, file_type, parent_folders in temp:
         is_rescan = (
@@ -168,7 +170,30 @@ def process_folder(
         if result is not None and is_rescan is None:
             rescan.append(result)
 
+        if is_rescan is not None:
+            idx = already_scanned_file_paths.index(file_path)
+            scanned_file_registry[idx] = True
+
+    deleted: int = 0
+    for path, was_found in zip(
+        already_scanned_file_paths,
+        scanned_file_registry,
+        strict=True,
+    ):
+        if was_found:
+            continue
+
+        index: Optional[int] = safe_index(
+            [content.scanned_file.path for content in rescan],
+            path,
+        )
+        if index is None:
+            raise RuntimeError(f"Path to delete wasn't founds: {path}")
+
+        del rescan[index]
+        deleted += 1
+
     value = (parent_type, ScannedFileType.folder)
-    callback.finish(directory.name, parent_folders, value)
+    callback.finish(directory.name, parent_folders, deleted, value)
 
     return rescan

src/content/episode_content.py

@@ -166,6 +166,7 @@ def scan(
                     callback.finish(
                         self.scanned_file.path.name,
                         self.scanned_file.parents,
+                        0,
                         characteristic,
                     )
 
@@ -200,6 +201,7 @@ def scan(
         callback.finish(
             self.scanned_file.path.name,
             self.scanned_file.parents,
+            0,
             characteristic,
         )
 

src/content/general.py

@@ -486,9 +486,20 @@ def finish(
         self: Self,
         name: str,  # noqa: ARG002
         parent_folders: list[str],  # noqa: ARG002
+        deleted: int,  # noqa: ARG002
         characteristic: CT,  # noqa: ARG002
     ) -> None:
         return None
 
     def get_saved(self: Self) -> RT:
         raise MissingOverrideError
+
+
+SF = TypeVar("SF")
+
+
+def safe_index(ls: list[SF], item: SF) -> Optional[int]:
+    try:
+        return ls.index(item)
+    except ValueError:
+        return None

src/main.py

@@ -176,6 +176,7 @@ def finish(
         self: Self,
         name: str,
         parent_folders: list[str],
+        deleted: int,
         characteristic: ContentCharacteristic,
     ) -> None:
         if self.__progress_bars.get(name) is None: