Fix cron job

Now only reports errors but does not attempt to fix them.

Fixes #114

app/config.py

@@ -49,6 +49,7 @@ class Config(object):
     MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
     MAIL_USE_TLS = os.environ.get('MAIL_USE_TLS') is not None
     MAX_INFO_TABS = 3
+    MAX_MISSING_FILES_TO_REPORT = 10
     MILLISECOND_SIGFIGS = 0
     MYSQL_CONNECT = os.environ.get('MYSQL_CONNECT') or "mysql+mysqldb://musicmuster:musicmuster@localhost/musicmuster_v2"  # noqa E501
     NORMALISE_ON_IMPORT = True

app/utilities.py

@@ -204,7 +204,9 @@ def update_db(session):
     Repopulate database
     """
 
-    # Search for tracks in only one of directory and database
+    # Search for tracks that are in the music directory but not the datebase
+    # Check all paths in database exist
+    # If issues found, write to stdout but do not try to resolve them
 
     db_paths = set(Tracks.get_all_paths(session))
 
@@ -217,61 +219,74 @@ def update_db(session):
                 os_paths_list.append(path)
     os_paths = set(os_paths_list)
 
-    # If a track is moved, only the path will have changed.
-    # For any files we have found whose paths are not in the database,
-    # check to see whether the filename (basename) is present in the
-    # database:
+    # Find any files in music directory that are not in database
+    files_not_in_db = list(os_paths - db_paths)
 
-    for path in list(os_paths - db_paths):
-        DEBUG(f"utilities.update_db: {path=} not in database")
-        # is filename in database with a different path?
-        track = Tracks.get_by_filename(session, os.path.basename(path))
-        if not track:
-            messages.append(f"{path} missing from database: {path}")
-        else:
-            # Check track info matches found track
-            t = helpers.get_tags(path)
-            if t['artist'] == track.artist and t['title'] == track.title:
-                print(f">>> Update {path=} for {track.title=}")
-                track.update_path(session, path)
-            else:
-                create_track_from_file(session, path)
-
-    # Refresh database paths
-    db_paths = set(Tracks.get_all_paths(session))
-    # Remove any tracks from database whose paths don't exist
+    # Find paths in database missing in music directory
+    paths_not_found = []
+    missing_file_count = 0
+    more_files_to_report = False
     for path in list(db_paths - os_paths):
-        # Manage tracks listed in database but where path is invalid
-        DEBUG(f"Invalid {path=} in database", True)
+        if missing_file_count >= Config.MAX_MISSING_FILES_TO_REPORT:
+            more_files_to_report = True
+            break
+
+        missing_file_count += 1
+
         track = Tracks.get_by_path(session, path)
-        messages.append(f"Remove from database: {path=} {track=}")
+        if not track:
+            ERROR(f"update_db: {path} not found in db")
+            continue
 
-        # Remove references from Playdates
-        Playdates.remove_track(session, track.id)
-
-        # Replace playlist entries with a note
-        note_txt = (
-            f"File removed: {track.title=}, {track.artist=}, "
-            f"{track.path=}"
-        )
-        for playlist_track in track.playlists:
-            row = playlist_track.row
-            # Remove playlist entry
-            DEBUG(f"Remove {row=} from {playlist_track.playlist_id}", True)
-            playlist_track.playlist.remove_track(session, row)
-            # Create note
-            DEBUG(f"Add note at {row=} to {playlist_track.playlist_id=}", True)
-            Notes(session, playlist_track.playlist_id, row, note_txt)
-
-        # Remove Track entry pointing to invalid path
-        Tracks.remove_by_path(session, path)
+        paths_not_found.append(track)
 
     # Output messages (so if running via cron, these will get sent to
     # user)
-    if messages:
-        print("Messages")
-        print("\n".join(messages))
+    if files_not_in_db:
+        print("Files in music directory but not in database")
+        print("--------------------------------------------")
+        print("\n".join(files_not_in_db))
+        print("\n")
+    if paths_not_found:
+        print("Invalid paths in database")
+        print("-------------------------")
+        for t in paths_not_found:
+            print(f"""
+                Track ID: {t.id}
+                Path:     {t.path}
+                Title:    {t.title}
+                Artist:   {t.artist}
+            """)
+        if more_files_to_report:
+            print("There were more paths than listed that were not found")
 
 
+# Spike
+#
+#        # Manage tracks listed in database but where path is invalid
+#        DEBUG(f"Invalid {path=} in database", True)
+#        track = Tracks.get_by_path(session, path)
+#        messages.append(f"Remove from database: {path=} {track=}")
+#
+#        # Remove references from Playdates
+#        Playdates.remove_track(session, track.id)
+#
+#        # Replace playlist entries with a note
+#        note_txt = (
+#            f"File removed: {track.title=}, {track.artist=}, "
+#            f"{track.path=}"
+#        )
+#        for playlist_track in track.playlists:
+#            row = playlist_track.row
+#            # Remove playlist entry
+#            DEBUG(f"Remove {row=} from {playlist_track.playlist_id}", True)
+#            playlist_track.playlist.remove_track(session, row)
+#            # Create note
+#            DEBUG(f"Add note at {row=} to {playlist_track.playlist_id=}", True)
+#            Notes(session, playlist_track.playlist_id, row, note_txt)
+#
+#        # Remove Track entry pointing to invalid path
+#        Tracks.remove_by_path(session, path)
+
 if __name__ == '__main__' and '__file__' in globals():
     main()