128 lines
3.8 KiB
JavaScript
128 lines
3.8 KiB
JavaScript
// 双击点赞工具函数
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import { likeAssetApi } from './api.js';
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// 存储已点赞的作品
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// - 带 exhibitionId 时：key = "${assetId}_${exhibitionId}"，支持每次展示点赞一次
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// - 不带 exhibitionId 时：key = "asset_${assetId}"，兼容旧行为（每天每个作品只能点赞一次）
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const LIKE_STORAGE_KEY = 'liked_assets_exhibition';
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/**
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* 获取存储键
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* @param {string|number} assetId
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* @param {string|number} exhibitionId
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*/
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function getStorageKey(assetId, exhibitionId) {
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if (exhibitionId) {
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return `${assetId}_${exhibitionId}`;
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}
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return `asset_${assetId}`;
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}
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/**
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* 双击点赞处理
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* - 有 exhibitionId 时：每个展品每次展示只能点赞一次
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* - 无 exhibitionId 时：每个藏品每天只能点赞一次（兼容旧逻辑）
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* @param {string|number} assetId - 藏品ID
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* @param {string|number} [exhibitionId] - 展品展示ID（每次展示唯一，可选）
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* @param {Function} [callback] - 回调函数，参数为是否成功
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*/
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export function doubleTapLike(assetId, exhibitionId, callback) {
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if (!assetId) {
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console.error('doubleTapLike: assetId 是必需的');
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if (callback) callback(false);
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return;
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}
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// 如果第二个参数是函数，说明调用者传的是 callback，exhibitionId 未提供
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let actualCallback = callback;
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let actualExhibitionId = exhibitionId;
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if (typeof exhibitionId === 'function') {
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actualCallback = exhibitionId;
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actualExhibitionId = null;
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}
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const key = getStorageKey(assetId, actualExhibitionId);
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// 不再做本地缓存检查，统一由后端判断唯一性
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// 这样可以避免：用户清缓存后、后端已重置、但本地存储还有旧数据 导致的问题
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// if (storage[key]) {
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// const msg = actualExhibitionId ? '本次展示已点赞' : '今日已点赞';
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// uni.showToast({ title: msg, icon: 'none' });
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// if (actualCallback) actualCallback(false);
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// return;
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// }
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likeAssetApi(assetId).then(res => {
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console.log('点赞成功', res);
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// 记录点赞
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try {
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const storage = uni.getStorageSync(LIKE_STORAGE_KEY) || {};
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storage[key] = Date.now();
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uni.setStorageSync(LIKE_STORAGE_KEY, storage);
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} catch (e) {
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console.error('存储点赞记录失败:', e);
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}
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// 触发全局点赞成功事件
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uni.$emit('assetLiked', {
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asset_id: assetId,
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exhibition_id: actualExhibitionId,
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data: res.data
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});
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if (actualCallback) actualCallback(true, res.data);
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}).catch(err => {
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console.error('点赞失败:', err);
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const errMsg = err?.message || '';
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const errData = err?.data?.message || '';
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const showMsg = errData || errMsg || '点赞失败';
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uni.showToast({ title: showMsg, icon: 'none' });
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if (actualCallback) actualCallback(false);
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});
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}
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/**
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* 检查藏品在当前展示中是否已点赞
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* @param {string|number} assetId - 藏品ID
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* @param {string|number} [exhibitionId] - 展品展示ID
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*/
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export function hasLikedExhibition(assetId, exhibitionId) {
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if (!assetId) return false;
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const key = getStorageKey(assetId, exhibitionId);
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try {
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const storage = uni.getStorageSync(LIKE_STORAGE_KEY) || {};
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return !!storage[key];
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} catch (e) {
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return false;
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}
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}
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/**
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* 清除指定展览的点赞记录（用于展品下架时）
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* @param {string|number} exhibitionId - 展品展示ID
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*/
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export function clearLikeByExhibition(exhibitionId) {
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if (!exhibitionId) return;
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try {
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const storage = uni.getStorageSync(LIKE_STORAGE_KEY) || {};
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const keys = Object.keys(storage);
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keys.forEach(key => {
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if (key.endsWith(`_${exhibitionId}`)) {
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delete storage[key];
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}
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});
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uni.setStorageSync(LIKE_STORAGE_KEY, storage);
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} catch (e) {
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console.error('清除点赞记录失败:', e);
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}
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}
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/**
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* 清除所有点赞记录
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*/
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export function clearAllLikes() {
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try {
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uni.removeStorageSync(LIKE_STORAGE_KEY);
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} catch (e) {
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console.error('清除所有点赞记录失败:', e);
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}
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} |