R524809
137 lines
3.6 KiB
JavaScript
137 lines
3.6 KiB
JavaScript
const cloud = require('wx-server-sdk');
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cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV });
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const CONFIG_PATH = 'content/page-config.json';
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const DIFFICULTY_LABELS = {
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1: '入门',
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2: '基础',
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3: '进阶',
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4: '挑战',
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};
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function ageBand(min, max) {
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return `${min}-${max}岁`;
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}
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function toHomeDisplayItem(ws) {
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return {
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id: ws._id,
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title: ws.title || '',
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subtitle: ws.subtitle || '',
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category: ws.category || '',
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ageBand: ageBand(ws.ageMin || 0, ws.ageMax || 0),
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difficulty: DIFFICULTY_LABELS[ws.difficulty] || '基础',
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icon: '',
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img: ws.previewImg || '',
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badge: ws.isNew ? 'NEW' : ws.isHot ? 'HOT' : '',
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path: ws.path || '',
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available: true,
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};
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}
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async function readCurrentConfig() {
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const db = cloud.database();
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try {
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const { data } = await db
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.collection('page_configs')
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.doc('current')
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.get();
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return data;
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} catch {
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return { home: null, category: null, age: null, version: 0 };
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}
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}
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async function saveConfig(config) {
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const db = cloud.database();
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const toSave = { ...config };
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delete toSave._id;
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try {
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await db.collection('page_configs').doc('current').get();
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await db.collection('page_configs').doc('current').update({
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data: toSave,
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});
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} catch {
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await db.collection('page_configs').doc('current').set({
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data: toSave,
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});
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}
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const buffer = Buffer.from(JSON.stringify(config), 'utf-8');
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await cloud.uploadFile({
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cloudPath: CONFIG_PATH,
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fileContent: buffer,
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});
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}
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async function isEnabled(db) {
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try {
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const { data } = await db
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.collection('settings')
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.doc('homeAutoRefresh')
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.get();
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return data.enabled !== false;
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} catch {
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// Document doesn't exist yet — default to enabled
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return true;
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}
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}
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exports.main = async () => {
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try {
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const db = cloud.database();
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// Check if timer is enabled
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if (!(await isEnabled(db))) {
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return { success: true, message: '定时任务已暂停，跳过执行' };
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}
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// Query top 5 by downloads
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const { data: topDownloads } = await db
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.collection('worksheets')
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.where({ status: 'active' })
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.orderBy('downloads', 'desc')
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.limit(5)
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.get();
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// Query top 5 by likes
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const { data: topLikes } = await db
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.collection('worksheets')
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.where({ status: 'active' })
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.orderBy('likes', 'desc')
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.limit(5)
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.get();
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const featured = topDownloads.map(toHomeDisplayItem);
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const hot = topLikes.map(toHomeDisplayItem);
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// Read current config, only update featured & hot
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const config = await readCurrentConfig();
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if (!config.home) {
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config.home = {};
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}
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config.home.featured = featured;
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config.home.hot = hot;
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config.version = (config.version || 0) + 1;
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config.updatedAt = new Date().toISOString();
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await saveConfig(config);
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return {
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success: true,
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data: {
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version: config.version,
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featured: featured.length,
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hot: hot.length,
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},
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};
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} catch (error) {
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return {
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success: false,
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message:
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error instanceof Error ? error.message : '自动刷新首页推荐失败',
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};
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}
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};
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