R524809
132 lines
3.5 KiB
JavaScript
132 lines
3.5 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 toDisplayItem(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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previewImg: ws.previewImg || '',
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ageBand: ageBand(ws.ageMin || 0, ws.ageMax || 0),
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ageMin: ws.ageMin || 0,
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ageMax: ws.ageMax || 0,
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difficulty: ws.difficulty || 2,
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difficultyLabel: DIFFICULTY_LABELS[ws.difficulty] || '基础',
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path: ws.path || '',
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available: true,
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likes: ws.likes || 0,
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downloads: ws.downloads || 0,
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date: ws.updatedAt
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? new Date(ws.updatedAt).toISOString().slice(0, 10)
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: new Date().toISOString().slice(0, 10),
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};
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}
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async function readCurrentConfig() {
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try {
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const res = await cloud.downloadFile({ fileID: CONFIG_PATH });
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return JSON.parse(res.fileContent.toString('utf-8'));
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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 buildCategoryData(db) {
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// Get all categories
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const { data: categories } = await db
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.collection('categories')
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.orderBy('sortOrder', 'asc')
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.get();
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// Get all active worksheets
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const { data: worksheets } = await db
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.collection('worksheets')
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.where({ status: 'active' })
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.orderBy('sortOrder', 'asc')
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.orderBy('updatedAt', 'desc')
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.limit(100)
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.get();
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// Group by category
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const grouped = {};
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for (const ws of worksheets) {
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const cat = ws.category || 'unknown';
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if (!grouped[cat]) grouped[cat] = [];
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grouped[cat].push(toDisplayItem(ws));
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}
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const categoryData = {
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searchPlaceholder: '搜索练习纸...',
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categories: categories.map((cat) => ({
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id: cat._id,
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name: cat.name || '',
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icon: cat.icon || '',
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items: grouped[cat._id] || [],
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})),
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};
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const stats = {};
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for (const cat of categoryData.categories) {
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stats[cat.id] = cat.items.length;
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}
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return { categoryData, stats };
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}
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exports.main = async (event) => {
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try {
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const db = cloud.database();
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const page = String(event.page || '').trim();
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if (page !== 'category') {
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throw new Error('当前仅支持 page=category');
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}
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const { categoryData, stats } = await buildCategoryData(db);
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// Read current config, merge, bump version
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const config = await readCurrentConfig();
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config.category = categoryData;
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config.version = (config.version || 0) + 1;
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config.updatedAt = new Date().toISOString();
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// Upload to cloud storage
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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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return {
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success: true,
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data: {
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version: config.version,
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updatedAt: config.updatedAt,
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stats,
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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
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? error.message
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: '生成分类页数据失败',
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};
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}
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};
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