refactor progress

fluxer_app/src/stores/UnreadChannelsStore.tsx

@@ -0,0 +1,54 @@
+/*
+ * 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 {makePersistent} from '@app/lib/MobXPersistence';
+import {makeAutoObservable} from 'mobx';
+
+class UnreadChannelsStore {
+	collapsedChannelIds: Array<string> = [];
+
+	constructor() {
+		makeAutoObservable(this, {}, {autoBind: true});
+		this.initPersistence();
+	}
+
+	private async initPersistence(): Promise<void> {
+		await makePersistent(this, 'UnreadChannelsStore', ['collapsedChannelIds']);
+	}
+
+	isCollapsed(channelId: string): boolean {
+		return this.collapsedChannelIds.includes(channelId);
+	}
+
+	setCollapsed(channelId: string, collapsed: boolean): void {
+		const next = new Set(this.collapsedChannelIds);
+		if (collapsed) {
+			next.add(channelId);
+		} else {
+			next.delete(channelId);
+		}
+		this.collapsedChannelIds = Array.from(next);
+	}
+
+	toggleCollapsed(channelId: string): void {
+		this.setCollapsed(channelId, !this.isCollapsed(channelId));
+	}
+}
+
+export default new UnreadChannelsStore();