first commit

cloudfunctions/addTestMember/index.js

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+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+const _ = db.command
+
+exports.main = async (event, context) => {
+    const wxContext = cloud.getWXContext()
+
+    const { roomId, nickName } = event
+
+    if (!roomId) {
+        return { success: false, msg: '缺少 roomId' }
+    }
+
+    try {
+        const roomRef = db.collection('rooms').doc(roomId)
+        const room = await roomRef.get()
+
+        if (!room.data) {
+            return { success: false, msg: '房间不存在' }
+        }
+
+        // 创建新成员（无位置，需要手动添加）
+        // 随机生成头像颜色
+        const avatarColors = [
+            'https://mmbiz.qpic.cn/mmbiz/icTdbqWNOwNRna42FI242Lcia07jQodd2FJGIYQfG0LAJGFxM4FbnQP6yfMxBgJ0F3YRqJCJ1aPAK2dQagdusBZg/0', // 微信默认头像
+            'https://thirdwx.qlogo.cn/mmopen/vi_32/POgEwh4mIHO4nibH0KlMECNjjGxQUq24ZEaGT4poC6icRiccVGKSyXwibcPq4BWmiaIGuG1icwxaQX6grC9VemZoJ8rg/132', // 示例头像
+            '/images/default-avatar.png'  // 本地默认头像
+        ]
+        const randomAvatar = avatarColors[Math.floor(Math.random() * avatarColors.length)]
+
+        const newMember = {
+            openid: `test_member_${Date.now()}`,
+            avatarUrl: randomAvatar,
+            nickName: nickName || '测试成员',
+            location: null,  // 初始无位置
+            isTestMember: true,  // 标记为测试成员
+            joinedAt: new Date()
+        }
+
+        await roomRef.update({
+            data: {
+                members: _.push(newMember)
+            }
+        })
+
+        return {
+            success: true,
+            msg: '成员添加成功',
+            member: newMember
+        }
+
+    } catch (err) {
+        console.error(err)
+        return {
+            success: false,
+            msg: '添加失败',
+            error: err
+        }
+    }
+}

cloudfunctions/addTestMember/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "addTestMember",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {},
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "wx-server-sdk": "3.0.1"
+  }
+}

cloudfunctions/calculateMeetSpot/index.js

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+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+const axios = require('axios')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+const _ = db.command
+
+exports.main = async (event, context) => {
+    const { roomId } = event
+
+    try {
+        // 1. 获取房间信息
+        const room = await db.collection('rooms').doc(roomId).get()
+        const data = room.data
+
+        if (!data) return { success: false, msg: '房间不存在' }
+
+        // 检查是否正在计算中（防并发）
+        if (data.status === 'calculating') {
+            return {
+                success: false,
+                msg: '正在计算中，请稍候...',
+                isCalculating: true
+            }
+        }
+
+        // 2. 提取有效坐标
+        const validMembers = data.members.filter(m => m.location && m.location.lat)
+        const locations = validMembers.map(m => ({
+            lng: m.location.lng,
+            lat: m.location.lat,
+            address: m.location.address || '',
+            name: m.location.name || ''
+        }))
+
+        // 验证：至少需要2个位置才能计算
+        if (locations.length < 2) {
+            return { success: false, msg: '至少需要2人添加位置才能计算推荐地点' }
+        }
+
+        // 检查成员列表是否有变化（防止成员未变时重复计算）
+        if (data.status === 'calculated' && data.result && data.result.success) {
+            // 比较当前成员位置的数量和组成
+            const currentMemberIds = validMembers
+                .map(m => `${m.openid}_${m.location.lat}_${m.location.lng}`)
+                .sort()
+                .join(',')
+
+            // 存储上次计算时的成员快照
+            const lastMemberIds = data.lastCalculatedMembers || ''
+
+            if (currentMemberIds === lastMemberIds) {
+                return {
+                    success: false,
+                    msg: '成员位置未变化，无需重复计算',
+                    isDuplicate: true,
+                    existingResult: data.result
+                }
+            }
+        }
+
+        // 加锁：设置状态为计算中
+        await db.collection('rooms').doc(roomId).update({
+            data: {
+                status: _.set('calculating'),
+                calculateStartTime: _.set(db.serverDate())
+            }
+        })
+
+        console.log(`Room ${roomId} 状态已锁定为 calculating`)
+
+        // 3. 配置后端服务 URL（请替换为实际部署的后端服务地址）
+        // 示例：
+        // - 本地开发: http://localhost:8000
+        // - Render 部署: https://meetspot-xxx.onrender.com
+        // - Railway 部署: https://meetspot-production.railway.app
+        const BACKEND_URL = process.env.BACKEND_URL || 'https://meetspot.onrender.com'
+
+        console.log(`调用后端服务: ${BACKEND_URL}/api/miniprogram/calculate`)
+
+        // 4. 使用 HTTP 调用后端服务
+        const response = await axios.post(
+            `${BACKEND_URL}/api/miniprogram/calculate`,
+            {
+                locations: locations,
+                keywords: data.keywords || '咖啡馆',
+                requirements: data.requirements || ''
+            },
+            {
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                timeout: 30000 // 30秒超时
+            }
+        )
+
+        const result = response.data
+
+        if (response.status !== 200 || !result) {
+            console.error('Backend Error:', response.status, result)
+            return { success: false, msg: '计算服务异常' }
+        }
+
+        // 5. 将结果回写到数据库
+        if (result.success) {
+            // 生成成员位置快照用于下次比对
+            const memberSnapshot = validMembers
+                .map(m => `${m.openid}_${m.location.lat}_${m.location.lng}`)
+                .sort()
+                .join(',')
+
+            await db.collection('rooms').doc(roomId).update({
+                data: {
+                    result: _.set(result),  // 使用 _.set 强制覆写 result 字段
+                    status: _.set('calculated'),  // 使用 _.set 强制覆写 status 字段
+                    lastCalculateTime: _.set(db.serverDate()),  // 记录计算时间
+                    lastCalculatedMembers: _.set(memberSnapshot)  // 记录成员快照
+                }
+            })
+        } else {
+            // 计算失败，释放锁
+            await db.collection('rooms').doc(roomId).update({
+                data: {
+                    status: _.set('active')
+                }
+            })
+        }
+
+        return result
+
+    } catch (err) {
+        console.error('CalculateMeetSpot Error:', err)
+
+        // 发生异常时，释放锁
+        try {
+            await db.collection('rooms').doc(roomId).update({
+                data: {
+                    status: _.set('active')
+                }
+            })
+        } catch (unlockErr) {
+            console.error('Failed to unlock room:', unlockErr)
+        }
+
+        return {
+            success: false,
+            msg: '计算失败',
+            error: err.message || err.toString()
+        }
+    }
+}

cloudfunctions/calculateMeetSpot/package.json

@@ -0,0 +1,13 @@
+{
+    "name": "calculateMeetSpot",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+    },
+    "dependencies": {
+        "wx-server-sdk": "3.0.1",
+        "axios": "^1.6.0"
+    }
+}

cloudfunctions/createRoom/index.js

@@ -0,0 +1,49 @@
+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV }) // 使用当前云环境
+const db = cloud.database()
+
+// 云函数入口函数
+exports.main = async (event, context) => {
+    const wxContext = cloud.getWXContext()
+    const openid = wxContext.OPENID
+
+    const { userInfo, keywords, requirements, name, meetTime } = event
+
+    try {
+        const res = await db.collection('rooms').add({
+            data: {
+                _openid: openid, // 创建者openid
+                createdAt: db.serverDate(),
+                status: 'active',
+                name: name || '未命名聚会',
+                meetTime: meetTime || '',
+                keywords: keywords || '咖啡馆',
+                requirements: requirements || '',
+                members: [{
+                    openid: openid,
+                    avatarUrl: userInfo?.avatarUrl || 'https://mmbiz.qpic.cn/mmbiz/icTdbqWNOwNRna42FI242Lcia07jQodd2FJGIYQfG0LAJGFxM4FbnQP6yfMxBgJ0F3YRqJCJ1aPAK2dQagdusBZg/0',
+                    nickName: userInfo?.nickName || '发起人',
+                    location: null, // 初始无位置
+                    joinedAt: new Date()
+                }],
+                result: null
+            }
+        })
+
+        return {
+            success: true,
+            roomId: res._id,
+            msg: '创建成功'
+        }
+    } catch (err) {
+        console.error(err)
+        return {
+            success: false,
+            msg: '创建房间失败',
+            error: err
+        }
+    }
+}
+

cloudfunctions/createRoom/package.json

@@ -0,0 +1,14 @@
+{
+    "name": "createRoom",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+    },
+    "author": "",
+    "license": "ISC",
+    "dependencies": {
+        "wx-server-sdk": "3.0.1"
+    }
+}

cloudfunctions/deleteRoom/config.json

@@ -0,0 +1,5 @@
+{
+  "permissions": {
+    "openapi": []
+  }
+}

cloudfunctions/deleteRoom/index.js

@@ -0,0 +1,55 @@
+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+const _ = db.command
+
+// 云函数入口函数
+exports.main = async (event, context) => {
+    const wxContext = cloud.getWXContext()
+    const openid = wxContext.OPENID
+    const { roomId } = event
+
+    if (!roomId) {
+        return {
+            success: false,
+            msg: '房间ID不能为空'
+        }
+    }
+
+    try {
+        // 查询房间信息
+        const room = await db.collection('rooms').doc(roomId).get()
+
+        if (!room.data) {
+            return {
+                success: false,
+                msg: '房间不存在'
+            }
+        }
+
+        // 检查是否是创建者
+        if (room.data._openid !== openid) {
+            return {
+                success: false,
+                msg: '只有创建者可以删除聚会'
+            }
+        }
+
+        // 删除房间
+        await db.collection('rooms').doc(roomId).remove()
+
+        return {
+            success: true,
+            msg: '删除成功'
+        }
+    } catch (err) {
+        console.error(err)
+        return {
+            success: false,
+            msg: '删除失败',
+            error: err
+        }
+    }
+}

cloudfunctions/deleteRoom/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "deleteRoom",
+  "version": "1.0.0",
+  "description": "删除聚会",
+  "main": "index.js",
+  "dependencies": {
+    "wx-server-sdk": "~3.0.1"
+  }
+}

cloudfunctions/getOpenId/config.json

@@ -0,0 +1,5 @@
+{
+  "permissions": {
+    "openapi": []
+  }
+}

cloudfunctions/getOpenId/index.js

@@ -0,0 +1,13 @@
+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+
+// 云函数入口函数
+exports.main = async (event, context) => {
+    const wxContext = cloud.getWXContext()
+
+    return {
+        openid: wxContext.OPENID
+    }
+}

cloudfunctions/getOpenId/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "getOpenId",
+  "version": "1.0.0",
+  "description": "获取用户OpenID",
+  "main": "index.js",
+  "dependencies": {
+    "wx-server-sdk": "~3.0.1"
+  }
+}

cloudfunctions/joinRoom/index.js

@@ -0,0 +1,60 @@
+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+const _ = db.command
+
+exports.main = async (event, context) => {
+    const wxContext = cloud.getWXContext()
+    const openid = wxContext.OPENID
+
+    const { roomId, userInfo } = event
+
+    if (!roomId) {
+        return { success: false, msg: '缺少 roomId' }
+    }
+
+    try {
+        const roomRef = db.collection('rooms').doc(roomId)
+        const room = await roomRef.get()
+
+        if (!room.data) {
+            return { success: false, msg: '房间不存在' }
+        }
+
+        // 检查是否已经在房间内
+        const members = room.data.members || []
+        const isMember = members.some(m => m.openid === openid)
+
+        if (!isMember) {
+            // 加入房间
+            const newMember = {
+                openid: openid,
+                avatarUrl: userInfo?.avatarUrl || 'https://mmbiz.qpic.cn/mmbiz/icTdbqWNOwNRna42FI242Lcia07jQodd2FJGIYQfG0LAJGFxM4FbnQP6yfMxBgJ0F3YRqJCJ1aPAK2dQagdusBZg/0',
+                nickName: userInfo?.nickName || '微信用户',
+                location: null,
+                joinedAt: new Date()
+            }
+
+            await roomRef.update({
+                data: {
+                    members: _.push(newMember)
+                }
+            })
+        }
+
+        return {
+            success: true,
+            msg: '加入成功'
+        }
+
+    } catch (err) {
+        console.error(err)
+        return {
+            success: false,
+            msg: '加入失败',
+            error: err
+        }
+    }
+}

cloudfunctions/joinRoom/package.json

@@ -0,0 +1,12 @@
+{
+    "name": "joinRoom",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+    },
+    "dependencies": {
+        "wx-server-sdk": "3.0.1"
+    }
+}

cloudfunctions/removeMember/index.js

@@ -0,0 +1,80 @@
+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+const _ = db.command
+
+exports.main = async (event, context) => {
+    const wxContext = cloud.getWXContext()
+    const openid = wxContext.OPENID
+
+    const { roomId, memberOpenid } = event
+
+    if (!roomId) {
+        return { success: false, msg: '缺少 roomId' }
+    }
+
+    try {
+        const roomRef = db.collection('rooms').doc(roomId)
+        const room = await roomRef.get()
+
+        if (!room.data) {
+            return { success: false, msg: '房间不存在' }
+        }
+
+        const roomData = room.data
+        const members = roomData.members || []
+
+        // 确定要移除的成员
+        const targetOpenid = memberOpenid || openid  // 如果没有指定，默认移除自己
+
+        // 检查是否在房间内
+        const memberIndex = members.findIndex(m => m.openid === targetOpenid)
+        if (memberIndex === -1) {
+            return { success: false, msg: '该成员不在房间内' }
+        }
+
+        // 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
+        if (targetOpenid !== openid && roomData._openid !== openid) {
+            return { success: false, msg: '只有创建者可以移除其他成员' }
+        }
+
+        // 检查是否是创建者试图退出
+        if (targetOpenid === roomData._openid) {
+            return { success: false, msg: '创建者不能退出，请删除聚会' }
+        }
+
+        // 移除成员
+        const updatedMembers = members.filter(m => m.openid !== targetOpenid)
+
+        await roomRef.update({
+            data: {
+                members: _.set(updatedMembers)
+            }
+        })
+
+        // 如果房间已有计算结果，清除结果（因为成员变化了）
+        if (roomData.status === 'calculated') {
+            await roomRef.update({
+                data: {
+                    status: _.set('active'),
+                    lastCalculatedMembers: _.set('')  // 清除成员快照
+                }
+            })
+        }
+
+        return {
+            success: true,
+            msg: targetOpenid === openid ? '已退出聚会' : '已移除成员'
+        }
+
+    } catch (err) {
+        console.error('RemoveMember Error:', err)
+        return {
+            success: false,
+            msg: '操作失败',
+            error: err.message || err.toString()
+        }
+    }
+}

cloudfunctions/removeMember/package.json

@@ -0,0 +1,12 @@
+{
+    "name": "removeMember",
+    "version": "1.0.0",
+    "description": "移除聚会成员",
+    "main": "index.js",
+    "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+    },
+    "dependencies": {
+        "wx-server-sdk": "3.0.1"
+    }
+}

cloudfunctions/updateLocation/index.js

@@ -0,0 +1,60 @@
+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+const _ = db.command
+
+exports.main = async (event, context) => {
+    const wxContext = cloud.getWXContext()
+    const openid = wxContext.OPENID
+
+    const { roomId, location } = event
+    // location format: { lng: 116.1, lat: 39.1, address: "...", name: "..." }
+
+    if (!roomId || !location) {
+        return { success: false, msg: '缺少参数' }
+    }
+
+    try {
+        // 2026-02-02 Fix: 使用 Read-Modify-Write 模式避免复杂更新操作符报错
+        // 先读取房间数据
+        const roomRes = await db.collection('rooms').doc(roomId).get()
+        const roomData = roomRes.data
+
+        if (!roomData) {
+            return { success: false, msg: '房间不存在' }
+        }
+
+        const members = roomData.members || []
+        const memberIndex = members.findIndex(m => m.openid === openid)
+
+        if (memberIndex === -1) {
+            return { success: false, msg: '您尚未加入该房间' }
+        }
+
+        // 直接修改内存中的数组对象
+        members[memberIndex].location = location
+
+        // 2026-02-02 Fix: 使用 _.set 强制覆写 members 字段，解决 DuplicateWrite 索引冲突问题
+        // 这通常是因为数据结构不一致或底层索引冲突导致的，set 指令会完全替换字段值
+        await db.collection('rooms').doc(roomId).update({
+            data: {
+                members: _.set(members)
+            }
+        })
+
+        return {
+            success: true,
+            msg: '位置更新成功'
+        }
+
+    } catch (err) {
+        console.error(err)
+        return {
+            success: false,
+            msg: '位置更新失败',
+            error: err
+        }
+    }
+}

cloudfunctions/updateLocation/package.json

@@ -0,0 +1,12 @@
+{
+    "name": "updateLocation",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+    },
+    "dependencies": {
+        "wx-server-sdk": "3.0.1"
+    }
+}

cloudfunctions/updateMemberLocation/index.js

@@ -0,0 +1,53 @@
+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+const _ = db.command
+
+exports.main = async (event, context) => {
+    const { roomId, memberOpenid, location } = event
+
+    if (!roomId || !memberOpenid || !location) {
+        return { success: false, msg: '缺少必要参数' }
+    }
+
+    try {
+        const roomRef = db.collection('rooms').doc(roomId)
+        const room = await roomRef.get()
+
+        if (!room.data) {
+            return { success: false, msg: '房间不存在' }
+        }
+
+        // 查找成员索引
+        const members = room.data.members || []
+        const memberIndex = members.findIndex(m => m.openid === memberOpenid)
+
+        if (memberIndex === -1) {
+            return { success: false, msg: '成员不存在' }
+        }
+
+        // 更新成员位置
+        members[memberIndex].location = location
+
+        await roomRef.update({
+            data: {
+                members: _.set(members)  // 使用 _.set 强制覆写 members 字段
+            }
+        })
+
+        return {
+            success: true,
+            msg: '位置更新成功'
+        }
+
+    } catch (err) {
+        console.error(err)
+        return {
+            success: false,
+            msg: '更新失败',
+            error: err
+        }
+    }
+}

cloudfunctions/updateMemberLocation/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "updateMemberLocation",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {},
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "wx-server-sdk": "3.0.1"
+  }
+}

cloudfunctions/updateRoomInfo/config.json

@@ -0,0 +1,5 @@
+{
+  "permissions": {
+    "openapi": []
+  }
+}

cloudfunctions/updateRoomInfo/index.js

@@ -0,0 +1,52 @@
+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+
+// 云函数入口函数
+exports.main = async (event, context) => {
+    const wxContext = cloud.getWXContext()
+    const openid = wxContext.OPENID
+
+    const { roomId, name, meetTime, keywords } = event
+
+    if (!roomId) {
+        return {
+            success: false,
+            msg: '房间ID不能为空'
+        }
+    }
+
+    try {
+        // 构建更新数据
+        const updateData = {}
+        if (name !== undefined) {
+            updateData.name = name
+        }
+        if (meetTime !== undefined) {
+            updateData.meetTime = meetTime
+        }
+        if (keywords !== undefined) {
+            updateData.keywords = keywords
+        }
+
+        // 更新房间信息
+        await db.collection('rooms').doc(roomId).update({
+            data: updateData
+        })
+
+        return {
+            success: true,
+            msg: '更新成功'
+        }
+    } catch (err) {
+        console.error(err)
+        return {
+            success: false,
+            msg: '更新失败',
+            error: err
+        }
+    }
+}
+

cloudfunctions/updateRoomInfo/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "updateRoomInfo",
+  "version": "1.0.0",
+  "description": "更新聚会信息（名称、时间）",
+  "main": "index.js",
+  "dependencies": {
+    "wx-server-sdk": "~3.0.1"
+  }
+}