feat: 开发收藏和下载功能

2026-05-06 18:32:15 +08:00
parent 9bdf850f20
commit c0b1bfddb0
17 changed files with 1262 additions and 127 deletions
@@ -0,0 +1,84 @@
+const cloud = require('wx-server-sdk');
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV });
+
+const db = cloud.database();
+
+exports.main = async (event, context) => {
+    const wxContext = cloud.getWXContext();
+    const openid = wxContext.OPENID;
+    const unionid = wxContext.UNIONID || null;
+
+    const { action } = event;
+
+    switch (action) {
+        case 'updateProfile':
+            return await handleUpdateProfile(event, openid);
+        default:
+            return await handleSilentLogin(openid, unionid);
+    }
+};
+
+async function handleSilentLogin(openid, unionid) {
+    const usersCollection = db.collection('users');
+
+    const { data } = await usersCollection.where({ openid }).limit(1).get();
+
+    const now = db.serverDate();
+
+    if (data.length > 0) {
+        const user = data[0];
+        const updateData = { lastActiveAt: now };
+        if (unionid && !user.unionid) {
+            updateData.unionid = unionid;
+        }
+        await usersCollection.doc(user._id).update({ data: updateData });
+
+        return {
+            code: 0,
+            data: { ...user, ...updateData, lastActiveAt: new Date() },
+        };
+    } else {
+        const newUser = {
+            openid,
+            unionid,
+            nickName: null,
+            avatarUrl: null,
+            totalDownloads: 0,
+            createdAt: now,
+            lastActiveAt: now,
+        };
+        const { _id } = await usersCollection.add({ data: newUser });
+
+        return {
+            code: 0,
+            data: {
+                _id,
+                ...newUser,
+                createdAt: new Date(),
+                lastActiveAt: new Date(),
+            },
+        };
+    }
+}
+
+async function handleUpdateProfile(event, openid) {
+    const { nickName, avatarUrl } = event;
+    const usersCollection = db.collection('users');
+
+    const { data } = await usersCollection.where({ openid }).limit(1).get();
+
+    if (data.length === 0) {
+        return { code: -1, message: '用户不存在' };
+    }
+
+    const updateData = {};
+    if (nickName !== undefined) updateData.nickName = nickName;
+    if (avatarUrl !== undefined) updateData.avatarUrl = avatarUrl;
+
+    await usersCollection.doc(data[0]._id).update({ data: updateData });
+
+    return {
+        code: 0,
+        data: { ...data[0], ...updateData },
+    };
+}