chenglijuan
55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
// 云函数入口文件
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const cloud = require('wx-server-sdk')
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cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
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const db = cloud.database()
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// 云函数入口函数
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exports.main = async (event, context) => {
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const wxContext = cloud.getWXContext()
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const openid = wxContext.OPENID
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// 查找是否已存在用户
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const userRes = await db.collection('users').where({ _openid: openid }).get()
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let user
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if (userRes.data.length > 0) {
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// 已存在，更新登录时间（如果传了头像昵称也一并更新）
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user = userRes.data[0]
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const updateData = {
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lastLoginTime: db.serverDate()
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}
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if (event.avatarUrl) updateData.avatarUrl = event.avatarUrl
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if (event.nickName) updateData.nickName = event.nickName
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await db.collection('users').doc(user._id).update({ data: updateData })
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// 合并最新数据返回
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if (event.avatarUrl) user.avatarUrl = event.avatarUrl
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if (event.nickName) user.nickName = event.nickName
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} else {
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// 新用户，创建记录
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const addRes = await db.collection('users').add({
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data: {
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_openid: openid,
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avatarUrl: event.avatarUrl || '',
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nickName: event.nickName || '',
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createTime: db.serverDate(),
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lastLoginTime: db.serverDate()
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}
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})
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user = {
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_id: addRes._id,
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_openid: openid,
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avatarUrl: event.avatarUrl || '',
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nickName: event.nickName || ''
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}
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}
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return {
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openid: openid,
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appid: wxContext.APPID,
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unionid: wxContext.UNIONID,
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userInfo: user
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}
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}
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