bc4434c93d
- useFavorites: 收藏管理 - useHistory: 播放历史 - useSettings: 用户设置 - useChannels: 频道数据获取和解析 - useGroups: 分组管理 - useChannelFilter: 频道过滤 - useDates: 日期列表 - usePrograms: 节目单管理 - useEvent: 键盘事件
77 lines
1.6 KiB
JavaScript
77 lines
1.6 KiB
JavaScript
import { ref, onMounted } from "vue";
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import { useStorage } from "./useStorage.js";
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const STORAGE_KEY = "favorites_data";
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// 全局状态
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const favorites = ref(new Set());
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let initialized = false;
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let loadPromise = null;
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export function useFavorites() {
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const storage = useStorage();
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// 加载收藏（从 useStorage）
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const loadFavorites = async () => {
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if (loadPromise) return loadPromise;
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loadPromise = (async () => {
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try {
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const saved = await storage.get(STORAGE_KEY);
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if (saved) {
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favorites.value = new Set(saved);
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}
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} catch (e) {
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console.error("加载收藏失败:", e);
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}
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initialized = true;
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})();
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return loadPromise;
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};
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// 保存收藏（到 useStorage）
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const saveFavorites = async () => {
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try {
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await storage.set(STORAGE_KEY, [...favorites.value]);
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} catch (e) {
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console.error("保存收藏失败:", e);
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}
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};
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// 切换收藏状态
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const toggleFavorite = async (channelId) => {
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if (!channelId) return;
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if (favorites.value.has(channelId)) {
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favorites.value.delete(channelId);
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} else {
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favorites.value.add(channelId);
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}
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await saveFavorites();
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};
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// 检查是否已收藏
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const isFavorite = (channelId) => {
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return favorites.value.has(channelId);
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};
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// 获取所有收藏
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const getFavorites = () => {
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return [...favorites.value];
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};
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// 初始化加载
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onMounted(() => {
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if (!initialized) {
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loadFavorites();
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}
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});
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return {
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favorites,
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toggleFavorite,
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isFavorite,
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getFavorites,
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};
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}
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