R524809
148 lines
4.5 KiB
JavaScript
148 lines
4.5 KiB
JavaScript
const cloud = require('wx-server-sdk');
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cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV });
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const VALID_STATUS = new Set(['draft', 'active', 'hidden']);
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const VALID_DIFFICULTY = new Set([1, 2, 3, 4]);
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function toInt(value, fallback = 0) {
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const number = Number(value);
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if (!Number.isFinite(number)) return fallback;
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return Math.round(number);
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}
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function toStringArray(value) {
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if (!Array.isArray(value)) return [];
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return value.map((item) => String(item || '').trim()).filter(Boolean);
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}
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async function ensureCategoryExists(db, category) {
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try {
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await db.collection('categories').doc(category).get();
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return true;
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} catch (error) {
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return false;
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}
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}
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async function validatePayload(event, db) {
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const id = String(event.id || '').trim();
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const title = String(event.title || '').trim();
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const subtitle = String(event.subtitle || '').trim();
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const category = String(event.category || '').trim();
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const subcategory = String(event.subcategory || '').trim();
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const path = String(event.path || '').trim();
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const previewImg = String(event.previewImg || '').trim();
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const ageMin = toInt(event.ageMin, 0);
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const ageMax = toInt(event.ageMax, 0);
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const grade = toInt(event.grade, 0);
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const difficulty = toInt(event.difficulty, 0);
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const tags = toStringArray(event.tags);
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const isNew = !!event.isNew;
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const isHot = !!event.isHot;
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const sortOrder = toInt(event.sortOrder, 0);
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const downloads = toInt(event.downloads, 0);
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const likes = toInt(event.likes, 0);
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const status = String(event.status || 'draft').trim();
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if (!id) throw new Error('题型 id 不能为空');
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if (!title) throw new Error('标题不能为空');
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if (!subtitle) throw new Error('副标题不能为空');
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if (!category) throw new Error('分类不能为空');
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if (!path) throw new Error('页面路径不能为空');
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if (!previewImg) throw new Error('预览图不能为空');
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if (ageMin < 0 || ageMax < ageMin) throw new Error('年龄范围不合法');
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if (!VALID_DIFFICULTY.has(difficulty)) throw new Error('难度不合法');
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if (!VALID_STATUS.has(status)) throw new Error('状态不合法');
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if (!(await ensureCategoryExists(db, category))) {
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throw new Error('分类不合法，categories 集合中不存在该分类');
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}
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return {
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id,
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title,
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subtitle,
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category,
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subcategory,
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path,
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previewImg,
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ageMin,
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ageMax,
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grade,
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difficulty,
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tags,
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isNew,
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isHot,
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sortOrder,
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downloads,
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likes,
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status,
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};
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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 payload = await validatePayload(event, db);
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const collection = db.collection('worksheets');
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const record = {
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title: payload.title,
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subtitle: payload.subtitle,
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category: payload.category,
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subcategory: payload.subcategory,
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path: payload.path,
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ageMin: payload.ageMin,
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ageMax: payload.ageMax,
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grade: payload.grade,
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difficulty: payload.difficulty,
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previewImg: payload.previewImg,
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tags: payload.tags,
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isNew: payload.isNew,
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isHot: payload.isHot,
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sortOrder: payload.sortOrder,
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downloads: payload.downloads,
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likes: payload.likes,
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status: payload.status,
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updatedAt: db.serverDate(),
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};
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try {
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const { data } = await collection.doc(payload.id).get();
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await collection.doc(payload.id).update({
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data: record,
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});
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return {
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success: true,
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data: {
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_id: payload.id,
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createdAt: data.createdAt,
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...record,
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},
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};
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} catch (error) {
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await collection.doc(payload.id).set({
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data: {
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...record,
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createdAt: db.serverDate(),
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},
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});
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return {
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success: true,
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data: {
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_id: payload.id,
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...record,
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},
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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: error instanceof Error ? error.message : '发布题型失败',
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};
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}
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};
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