add user list and apend

src/wargame_campaign/model/model.py

@@ -9,6 +9,7 @@ class Model:
         self.players = {}
         data_file_path = Path("data/warmachron.json")
         self.load_data(data_file_path)
+        self.save_data(data_file_path)
 
     def load_data(self, data_file_path):
         if not data_file_path.exists() or data_file_path.stat().st_size == 0:
@@ -17,10 +18,10 @@ class Model:
             with open(data_file_path, "r", encoding="utf-8") as f:
                 data = json.load(f)
             for player in data["players"] : 
-                print(f"player {player}")
                 saved_player = Player.fromDict(player["id"], player['name'])
                 self.players[saved_player.id] = saved_player
             for war in data["wars"]:
+                # placeholder
                 pass    
         except json.JSONDecodeError:
             raise RuntimeError("Data file is corrupted")
@@ -28,13 +29,12 @@ class Model:
     def save_data(self, data_file_path):
         if data_file_path.exists():
             shutil.copy(data_file_path, data_file_path.with_suffix(".json.bak"))
-        
         data = {}
-        data['verion'] = "1.0"
+        data['version'] = "1.0"
         data['players'] = []
-        for player in self.players:
+        data['wars'] = []
+        for player in self.players.values():
             data['players'].append(player.toDict())
-
         with open(data_file_path, "w", encoding="utf-8") as f:
             json.dump(data, f, indent=2)
 
@@ -53,3 +53,6 @@ class Model:
     def delete_player(self, id):
         del self.players[id]
 
+    def get_all_players(self) -> list[Player]:
+        return list(self.players.values())
+