81 lines
2.4 KiB
JavaScript
81 lines
2.4 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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const _ = db.command
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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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const { roomId, memberOpenid } = event
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if (!roomId) {
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return { success: false, msg: '缺少 roomId' }
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}
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try {
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const roomRef = db.collection('rooms').doc(roomId)
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const room = await roomRef.get()
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if (!room.data) {
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return { success: false, msg: '房间不存在' }
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}
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const roomData = room.data
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const members = roomData.members || []
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// 确定要移除的成员
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const targetOpenid = memberOpenid || openid // 如果没有指定，默认移除自己
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// 检查是否在房间内
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const memberIndex = members.findIndex(m => m.openid === targetOpenid)
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if (memberIndex === -1) {
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return { success: false, msg: '该成员不在房间内' }
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}
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// 权限检查：只有创建者可以移除其他人，任何人都可以退出自己
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if (targetOpenid !== openid && roomData._openid !== openid) {
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return { success: false, msg: '只有创建者可以移除其他成员' }
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}
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// 检查是否是创建者试图退出
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if (targetOpenid === roomData._openid) {
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return { success: false, msg: '创建者不能退出，请删除聚会' }
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}
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// 移除成员
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const updatedMembers = members.filter(m => m.openid !== targetOpenid)
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await roomRef.update({
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data: {
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members: _.set(updatedMembers)
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}
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})
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// 如果房间已有计算结果，清除结果（因为成员变化了）
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if (roomData.status === 'calculated') {
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await roomRef.update({
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data: {
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status: _.set('active'),
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lastCalculatedMembers: _.set('') // 清除成员快照
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}
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})
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}
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return {
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success: true,
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msg: targetOpenid === openid ? '已退出聚会' : '已移除成员'
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}
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} catch (err) {
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console.error('RemoveMember Error:', err)
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return {
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success: false,
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msg: '操作失败',
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error: err.message || err.toString()
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}
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}
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}
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