refactor: moving ui.extends to core

* Settings and Singletons moved

core/settings/base.py

@@ -0,0 +1,44 @@
+import sys
+from enum import Enum
+from typing import Any
+
+from PySide6.QtCore import QFileInfo, QSettings, Signal
+
+from core.singleton import QSingleton
+
+__all__ = ["Settings"]
+
+TSettingsKey = str | Enum
+
+
+class Settings(QSettings, metaclass=QSingleton):
+    updated = Signal(str)
+
+    def __init__(self, parent=None):
+        super().__init__(
+            QFileInfo(sys.argv[0]).dir().absoluteFilePath("arcaea_offline.ini"),
+            QSettings.Format.IniFormat,
+            parent,
+        )
+
+    def __settingsKey(self, key: TSettingsKey) -> str:
+        if isinstance(key, Enum):
+            return self.__settingsKey(key.value)
+
+        if isinstance(key, str):
+            return key
+
+        raise TypeError(f"{key!r} is not a valid key")
+
+    def setValue(self, key: TSettingsKey, value: Any) -> None:
+        _key = self.__settingsKey(key)
+
+        super().setValue(_key, value)
+        self.updated.emit(_key)
+
+    def stringValue(self, key: TSettingsKey) -> str | None:
+        _key = self.__settingsKey(key)
+        return self.value(_key, None, type=str)
+
+
+settings = Settings()