R524809
286 lines
8.6 KiB
TypeScript
286 lines
8.6 KiB
TypeScript
import { NAV_INNER_PX } from '../../utils/navMetrics';
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import { getFavoriteList, removeFavorite } from '../../utils/favorites';
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import {
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DOWNLOAD_HISTORY_MAX,
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getDownloadLogs,
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} from '../../utils/downloadLogs';
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import type { FavoriteRecord } from '../../utils/favorites';
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import type { DownloadLogRecord } from '../../utils/downloadLogs';
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import { getCategoryName } from '../../core/data/categories';
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const { statusBarHeight } = wx.getWindowInfo();
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const NAV_BLOCK_HEIGHT = statusBarHeight + NAV_INNER_PX;
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type FavoritesTab = 'favorites' | 'downloads';
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type FavoriteItem = {
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id: string;
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worksheetId: string;
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path: string;
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title: string;
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metaLine: string;
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stars: number;
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timeBadge: string;
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thumb: string;
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};
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type DownloadRow = {
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id: string;
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worksheetId: string;
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path: string;
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title: string;
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metaLine: string;
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stars: number;
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time: string;
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status: string;
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statusHighlight: boolean;
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thumb?: string;
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placeholder?: 'draw';
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};
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type DownloadSection = {
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key: string;
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label: string;
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items: DownloadRow[];
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};
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/** 跳转路径仅以云库 worksheets.path 为准 */
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function getWorksheetNavPath(
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ws: FavoriteRecord['worksheet'] | DownloadLogRecord['worksheet'],
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): string {
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const path = ws?.path?.trim();
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return path && path.startsWith('/') ? path : '';
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}
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function mapFavoriteToItem(record: FavoriteRecord): FavoriteItem {
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const ws = record.worksheet;
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const title = ws?.title || '未知题型';
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const category = ws?.category || '';
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const categoryName = getCategoryName(category);
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const ageRange = ws ? `${ws.ageMin}-${ws.ageMax}岁` : '';
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const metaLine =
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[categoryName, ageRange].filter(Boolean).join(' · ') + ' · ';
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const difficulty = ws?.difficulty || 0;
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const timeBadge = formatTimeBadge(record.createdAt);
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return {
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id: record._id,
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worksheetId: record.worksheetId,
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path: getWorksheetNavPath(ws),
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title,
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metaLine,
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stars: Math.min(difficulty, 3),
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timeBadge,
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thumb: ws?.previewImg || '',
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};
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}
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function formatTimeBadge(dateStr: string): string {
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const date = new Date(dateStr);
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const now = new Date();
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// 按日历天数计算差值
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const todayStart = new Date(
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now.getFullYear(),
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now.getMonth(),
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now.getDate(),
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).getTime();
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const dateStart = new Date(
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date.getFullYear(),
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date.getMonth(),
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date.getDate(),
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).getTime();
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const days = Math.round((todayStart - dateStart) / (1000 * 60 * 60 * 24));
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if (days === 0) return '收藏于今天';
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if (days === 1) return '收藏于昨天';
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if (days < 7) return `收藏于 ${days} 天前`;
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if (days < 30) return `收藏于 ${Math.floor(days / 7)} 周前`;
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return `收藏于 ${Math.floor(days / 30)} 个月前`;
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}
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function groupDownloadsByDate(records: DownloadLogRecord[]): DownloadSection[] {
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const now = new Date();
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const todayStr = formatDateKey(now);
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const yesterday = new Date(now.getTime() - 24 * 60 * 60 * 1000);
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const yesterdayStr = formatDateKey(yesterday);
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const groups: Record<string, { label: string; items: DownloadRow[] }> = {};
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for (const record of records) {
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const date = new Date(record.createdAt);
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const key = formatDateKey(date);
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let label: string;
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if (key === todayStr) {
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label = '今天';
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} else if (key === yesterdayStr) {
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label = '昨天';
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} else {
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label = `${date.getMonth() + 1}月${date.getDate()}日`;
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}
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if (!groups[key]) {
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groups[key] = { label, items: [] };
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}
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const ws = record.worksheet;
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const category = ws?.category || '';
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const categoryName = getCategoryName(category);
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const ageRange = ws ? `${ws.ageMin}-${ws.ageMax}岁` : '';
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const metaLine =
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[categoryName, ageRange].filter(Boolean).join(' · ') + ' · ';
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const difficulty = ws?.difficulty || 0;
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groups[key].items.push({
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id: record._id,
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worksheetId: record.worksheetId,
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path: getWorksheetNavPath(ws),
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title: ws?.title || '未知题型',
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metaLine,
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stars: Math.min(difficulty, 3),
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time: `${String(date.getHours()).padStart(2, '0')}:${String(date.getMinutes()).padStart(2, '0')}`,
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status: '已保存到相册',
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statusHighlight: true,
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thumb: ws?.previewImg,
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});
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}
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return Object.keys(groups).map((key) => ({
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key,
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label: groups[key].label,
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items: groups[key].items,
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}));
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}
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function formatDateKey(date: Date): string {
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return `${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()}`;
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}
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Page({
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data: {
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favScrollHeight: 0,
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activeTab: 'favorites' as FavoritesTab,
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favoriteList: [] as FavoriteItem[],
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downloadSections: [] as DownloadSection[],
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favLoading: false,
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dlLoading: false,
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},
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onLoad() {
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const win = wx.getWindowInfo();
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this.setData({
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favScrollHeight: win.windowHeight - NAV_BLOCK_HEIGHT,
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});
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},
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onShow() {
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const tab = wx.getStorageSync('favorites_active_tab') as FavoritesTab;
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if (tab === 'downloads' || tab === 'favorites') {
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this.setData({ activeTab: tab });
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wx.removeStorageSync('favorites_active_tab');
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}
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this.setData({ favoriteList: [], downloadSections: [] });
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this.loadActiveTab();
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},
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loadActiveTab() {
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const tab = this.data.activeTab;
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if (tab === 'favorites' && this.data.favoriteList.length === 0) {
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this.loadFavorites();
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} else if (
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tab === 'downloads' &&
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this.data.downloadSections.length === 0
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) {
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this.loadDownloads();
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}
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},
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onTabSwitch(e: WechatMiniprogram.TouchEvent) {
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const tab = e.currentTarget.dataset.tab as FavoritesTab;
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if (tab !== 'favorites' && tab !== 'downloads') return;
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if (tab === this.data.activeTab) return;
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this.setData({ activeTab: tab });
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// 只在数据为空时才请求
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if (tab === 'favorites' && this.data.favoriteList.length === 0) {
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this.loadFavorites();
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} else if (
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tab === 'downloads' &&
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this.data.downloadSections.length === 0
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) {
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this.loadDownloads();
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}
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},
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async loadFavorites() {
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this.setData({ favLoading: true });
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try {
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const records = await getFavoriteList();
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this.setData({
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favoriteList: records.map((r) => mapFavoriteToItem(r)),
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});
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} finally {
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this.setData({ favLoading: false });
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}
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},
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async loadDownloads() {
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this.setData({ dlLoading: true });
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try {
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const records = await getDownloadLogs(1, DOWNLOAD_HISTORY_MAX);
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this.setData({ downloadSections: groupDownloadsByDate(records) });
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} finally {
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this.setData({ dlLoading: false });
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}
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},
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onDiscoverTap() {
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wx.switchTab({ url: '/pages/home/home' });
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},
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onCardTap(e: WechatMiniprogram.TouchEvent) {
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const path = e.currentTarget.dataset.path as string | undefined;
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if (!path) {
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wx.showToast({ title: '该练习已下架', icon: 'none' });
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return;
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}
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wx.navigateTo({ url: path });
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},
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onSearchTap() {
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wx.showToast({ title: '搜索功能开发中', icon: 'none' });
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},
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async onRemoveFavorite(e: WechatMiniprogram.TouchEvent) {
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const id = e.currentTarget.dataset.id as string | undefined;
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if (!id) return;
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const item = (this.data.favoriteList as FavoriteItem[]).find(
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(i) => i.id === id,
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);
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if (!item) return;
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try {
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await removeFavorite(item.worksheetId);
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const list = (this.data.favoriteList as FavoriteItem[]).filter(
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(i) => i.id !== id,
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);
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this.setData({ favoriteList: list });
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wx.showToast({ title: '已取消收藏', icon: 'success' });
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} catch {
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wx.showToast({ title: '操作失败，请重试', icon: 'none' });
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}
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},
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onClearHistory() {
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wx.showModal({
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title: '清空下载历史',
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content: '确定清空本地展示的历史记录吗？',
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success: (res) => {
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if (!res.confirm) return;
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this.setData({ downloadSections: [] });
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wx.showToast({ title: '已清空', icon: 'none' });
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},
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});
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},
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});
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