Initial Commit

utils/cloud.js

@@ -0,0 +1,138 @@
+// 云数据库操作工具库
+
+const db = wx.cloud.database()
+const _ = db.command
+
+/**
+ * 用户相关操作
+ */
+const userDB = {
+  /**
+   * 通过 openId 查找用户，不存在则创建
+   * @param {string} openid
+   * @param {object} userInfo - { avatarUrl, nickName }
+   * @returns {Promise<object>} 用户记录
+   */
+  async loginOrCreate(openid, userInfo) {
+    const res = await db.collection('users').where({ _openid: openid }).get()
+    if (res.data.length > 0) {
+      // 已存在，更新头像昵称
+      const existing = res.data[0]
+      await db.collection('users').doc(existing._id).update({
+        data: {
+          avatarUrl: userInfo.avatarUrl,
+          nickName: userInfo.nickName,
+          lastLoginTime: db.serverDate()
+        }
+      })
+      return { ...existing, avatarUrl: userInfo.avatarUrl, nickName: userInfo.nickName }
+    } else {
+      // 不存在，新建
+      const addRes = await db.collection('users').add({
+        data: {
+          _openid: openid,
+          avatarUrl: userInfo.avatarUrl,
+          nickName: userInfo.nickName,
+          createTime: db.serverDate(),
+          lastLoginTime: db.serverDate()
+        }
+      })
+      return {
+        _id: addRes._id,
+        _openid: openid,
+        avatarUrl: userInfo.avatarUrl,
+        nickName: userInfo.nickName
+      }
+    }
+  },
+
+  /**
+   * 根据 openId 获取用户信息
+   * @param {string} openid
+   * @returns {Promise<object|null>}
+   */
+  async getByOpenId(openid) {
+    const res = await db.collection('users').where({ _openid: openid }).get()
+    return res.data.length > 0 ? res.data[0] : null
+  }
+}
+
+/**
+ * 预约相关操作
+ */
+const appointmentDB = {
+  /**
+   * 创建预约
+   * @param {object} data - 预约表单数据
+   * @returns {Promise<string>} 新记录 _id
+   */
+  async create(data) {
+    const res = await db.collection('appointments').add({
+      data: {
+        ...data,
+        status: 'pending',
+        statusText: '待审核',
+        createTime: db.serverDate()
+      }
+    })
+    return res._id
+  },
+
+  /**
+   * 获取当前用户的预约列表（按创建时间倒序）
+   * @param {string} openid
+   * @returns {Promise<Array>}
+   */
+  async getList(openid) {
+    const res = await db.collection('appointments')
+      .where({ _openid: openid })
+      .orderBy('createTime', 'desc')
+      .get()
+    return res.data
+  },
+
+  /**
+   * 获取当前用户最新一条预约
+   * @param {string} openid
+   * @returns {Promise<object|null>}
+   */
+  async getLatest(openid) {
+    const res = await db.collection('appointments')
+      .where({ _openid: openid })
+      .orderBy('createTime', 'desc')
+      .limit(1)
+      .get()
+    return res.data.length > 0 ? res.data[0] : null
+  },
+
+  /**
+   * 取消预约
+   * @param {string} id - 预约记录 _id
+   * @param {string} openid - 当前用户 openid，用于权限校验
+   * @returns {Promise<boolean>} 是否成功
+   */
+  async cancel(id, openid) {
+    // 先校验该预约属于当前用户
+    const res = await db.collection('appointments').doc(id).get()
+    if (res.data._openid !== openid) {
+      return false
+    }
+    if (res.data.status !== 'pending') {
+      return false
+    }
+    await db.collection('appointments').doc(id).update({
+      data: {
+        status: 'cancelled',
+        statusText: '已取消'
+      }
+    })
+    return true
+  }
+}
+
+module.exports = {
+  db,
+  _,
+  userDB,
+  appointmentDB
+}

utils/util.js

@@ -0,0 +1,27 @@
+const formatTime = date => {
+  const year = date.getFullYear()
+  const month = date.getMonth() + 1
+  const day = date.getDate()
+  const hour = date.getHours()
+  const minute = date.getMinutes()
+  const second = date.getSeconds()
+
+  return `${[year, month, day].map(formatNumber).join('/')} ${[hour, minute, second].map(formatNumber).join(':')}`
+}
+
+const formatDate = date => {
+  const year = date.getFullYear()
+  const month = date.getMonth() + 1
+  const day = date.getDate()
+  return `${year}-${formatNumber(month)}-${formatNumber(day)}`
+}
+
+const formatNumber = n => {
+  n = n.toString()
+  return n[1] ? n : `0${n}`
+}
+
+module.exports = {
+  formatTime,
+  formatDate
+}