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fluxer_app/src/stores/FavoriteMemeStore.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 {type FavoriteMeme, FavoriteMemeRecord} from '~/records/FavoriteMemeRecord';
+
+class FavoriteMemeStore {
+	memes: ReadonlyArray<FavoriteMemeRecord> = [];
+	fetched: boolean = false;
+
+	constructor() {
+		makeAutoObservable(this, {}, {autoBind: true});
+	}
+
+	loadFavoriteMemes(favoriteMemes: ReadonlyArray<FavoriteMeme>): void {
+		this.memes = Object.freeze((favoriteMemes || []).map((meme) => new FavoriteMemeRecord(meme)));
+		this.fetched = true;
+	}
+
+	reset(): void {
+		this.memes = [];
+		this.fetched = false;
+	}
+
+	createMeme(meme: FavoriteMeme): void {
+		this.memes = Object.freeze([new FavoriteMemeRecord(meme), ...this.memes]);
+	}
+
+	updateMeme(meme: FavoriteMeme): void {
+		const index = this.memes.findIndex((m) => m.id === meme.id);
+		if (index === -1) return;
+
+		this.memes = Object.freeze([
+			...this.memes.slice(0, index),
+			new FavoriteMemeRecord(meme),
+			...this.memes.slice(index + 1),
+		]);
+	}
+
+	deleteMeme(memeId: string): void {
+		this.memes = Object.freeze(this.memes.filter((meme) => meme.id !== memeId));
+	}
+
+	getAllMemes(): ReadonlyArray<FavoriteMemeRecord> {
+		return this.memes;
+	}
+
+	getMeme(memeId: string): FavoriteMemeRecord | undefined {
+		return this.memes.find((meme) => meme.id === memeId);
+	}
+}
+
+export default new FavoriteMemeStore();