refactor progress

fluxer_app/src/actions/ThemePreferenceActionCreators.tsx

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import * as UserSettingsActionCreators from '@app/actions/UserSettingsActionCreators';
+import ThemeStore from '@app/stores/ThemeStore';
+import type {ThemeType} from '@fluxer/constants/src/UserConstants';
+import {ThemeTypes} from '@fluxer/constants/src/UserConstants';
+
+export function updateThemePreference(theme: ThemeType): void {
+	if (theme === ThemeTypes.SYSTEM) {
+		ThemeStore.setSyncAcrossDevices(false);
+		ThemeStore.setTheme(theme);
+		return;
+	}
+
+	if (ThemeStore.syncAcrossDevices) {
+		void UserSettingsActionCreators.update({theme});
+	} else {
+		ThemeStore.setTheme(theme);
+	}
+}
+
+export function setSyncAcrossDevices(sync: boolean): void {
+	if (sync) {
+		ThemeStore.setSyncAcrossDevices(true);
+	} else {
+		ThemeStore.setSyncAcrossDevices(false);
+	}
+}