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fluxer_app/src/stores/LocationStore.tsx

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+/*
+ * 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 {makeAutoObservable} from 'mobx';
+import {makePersistent} from '~/lib/MobXPersistence';
+
+interface MobileLayoutState {
+	navExpanded: boolean;
+	chatExpanded: boolean;
+}
+
+class LocationStore {
+	lastLocation: string | null = null;
+	lastMobileLayoutState: MobileLayoutState | null = null;
+	isHydrated = false;
+
+	constructor() {
+		makeAutoObservable(this, {}, {autoBind: true});
+		void this.initPersistence();
+	}
+
+	private async initPersistence(): Promise<void> {
+		await makePersistent(this, 'LocationStore', ['lastLocation', 'lastMobileLayoutState']);
+		this.isHydrated = true;
+	}
+
+	getLastLocation(): string | null {
+		return this.lastLocation;
+	}
+
+	getLastMobileLayoutState(): MobileLayoutState | null {
+		return this.lastMobileLayoutState;
+	}
+
+	saveLocation(location: string): void {
+		if (location && location !== this.lastLocation) {
+			this.lastLocation = location;
+		}
+	}
+
+	saveMobileLayoutState(mobileLayoutState: MobileLayoutState): void {
+		this.lastMobileLayoutState = mobileLayoutState;
+	}
+
+	saveLocationAndMobileState(location: string, mobileLayoutState: MobileLayoutState): void {
+		this.lastLocation = location;
+		this.lastMobileLayoutState = mobileLayoutState;
+	}
+
+	clearLastLocation(): void {
+		this.lastLocation = null;
+		this.lastMobileLayoutState = null;
+	}
+}
+
+export default new LocationStore();