Use signals for updating and saving games

src/store/managers/file_manager.py

@@ -1,3 +1,6 @@
+import json
+
+from src import shared  # pylint: disable=no-name-in-module
 from src.game import Game
 from src.store.managers.async_manager import AsyncManager
 from src.store.managers.steam_api_manager import SteamAPIManager
@@ -7,6 +10,31 @@ class FileManager(AsyncManager):
     """Manager in charge of saving a game to a file"""
 
     run_after = (SteamAPIManager,)
+    signals = {"save-ready"}
 
-    def manager_logic(self, game: Game, _additional_data: dict) -> None:
-        game.save()
+    def manager_logic(self, game: Game, additional_data: dict) -> None:
+        if additional_data.get("skip_save"):  # Skip saving when loading games from disk
+            return
+
+        shared.games_dir.mkdir(parents=True, exist_ok=True)
+
+        attrs = (
+            "added",
+            "executable",
+            "game_id",
+            "source",
+            "hidden",
+            "last_played",
+            "name",
+            "developer",
+            "removed",
+            "blacklisted",
+            "version",
+        )
+
+        json.dump(
+            {attr: getattr(game, attr) for attr in attrs if attr},
+            (shared.games_dir / f"{game.game_id}.json").open("w"),
+            indent=4,
+            sort_keys=True,
+        )