helper function: waitData to retry a promise until get right

example/ding-dong-bot.js

@@ -30,18 +30,17 @@ Please wait... I'm trying to login in...
 console.log(welcome)
 const bot = new Wechaty({head: true})
 
-bot.on('scan', ({url, code}) => {
-  console.log(`Scan qrcode in url to login: \n${url}`)
-  console.log(code)
-})
-
 bot
 .on('login'	,   () => log.info('Bot', 'logined'))
 .on('logout'	, () => log.info('Bot', 'logouted'))
+.on('scan', ({url, code}) => {
+  console.log(`Scan qrcode in url to login: ${code}\n${url}`)
+})
 .on('message', m => {
   m.ready()
   .then(msg => {
     log.info('Bot', 'recv: %s', msg)
+    logToFile(JSON.stringify(msg.rawObj))
   })
   .catch(e => log.error('Bot', 'ready: %s' , e))
 
@@ -60,3 +59,9 @@ bot.init()
   bot.quit()
   process.exit(-1)
 })
+
+function logToFile(data) {
+require('fs').appendFile('message.log', data + '\n\n#############################\n\n', err => {
+  if (err) { log.error('LogToFile: %s', err) }
+})
+}

example/tuling123-bot.js

@@ -39,21 +39,13 @@ bot
 .on('message', m => {
   co(function* () {
     const msg = yield m.ready()
-    log.info('Bot', 'recv: %s'  , msg)
 
-    if (m.group()) {
-      return
+    if (m.group() && /Wechaty/i.test(m.group().name())) {
+      log.info('Bot', 'talk: %s'  , msg)
+      talk(m)
+    } else {
+      log.info('Bot', 'recv: %s'  , msg)
     }
-
-    const reply = new Wechaty.Message()
-    .set('to', m.get('from'))
-
-    const content = m.get('content')
-    const {code, text} = yield brain.ask(content, {userid: msg.get('from')})
-    reply.set('content', text)
-
-    yield bot.send(reply)
-    log.info('Bot', `REPLY: {code:${code}, text:${text}}`)
   })
   .catch(e => log.error('Bot', 'on message rejected: %s' , e))
 })
@@ -65,3 +57,17 @@ bot.init()
   process.exit(-1)
 })
 
+function talk(m) {
+  co(function* () {
+    const fromId = m.from().id
+    const content = m.content()
+    const {code, text} = yield brain.ask(content, {userid: fromId})
+
+    const minDelayTime = 5000
+    const maxDelayTime = 15000
+    const delayTime = Math.floor(Math.random() * (maxDelayTime - minDelayTime)) + minDelayTime
+
+    log.info('Bot', `REPLY(after ${Math.floor(delayTime/1000)}s): {code:${code}, text:${text}}`)
+    setTimeout(r => { bot.reply(m, text) }, delayTime)
+  })
+}

src/contact.js

@@ -19,26 +19,9 @@ class Contact {
     this.obj = {}
   }
 
-  ready(contactGetter) {
-    log.silly('Contact', 'ready(' + typeof contactGetter + ')')
-    if (this.obj.id) {
-      return Promise.resolve(this)
-    }
-
-    if (!contactGetter) {
-      log.silly('Contact', 'get contact via ' + Contact.puppet.constructor.name)
-      contactGetter = Contact.puppet.getContact.bind(Contact.puppet)
-    }
-    return contactGetter(this.id)
-    .then(data => {
-      log.silly('Contact', `contactGetter(${this.id}) resolved`)
-      this.rawObj = data
-      this.obj    = this.parse(data)
-      return this
-    }).catch(e => {
-      log.error('Contact', `contactGetter(${this.id}) rejected: `, e)
-      throw new Error('contactGetter: ' + e)
-    })
+  toString() {
+    var name = this.obj.name ? `${this.obj.name}@${this.id}` : this.id
+    return `Contact(${name})`
   }
 
   parse(rawObj) {
@@ -56,6 +39,26 @@ class Contact {
   }
   name() { return this.obj.name }
 
+  ready(contactGetter) {
+    log.silly('Contact', 'ready(' + typeof contactGetter + ')')
+    if (this.obj.id) { return Promise.resolve(this) }
+
+    if (!contactGetter) {
+      log.silly('Contact', 'get contact via ' + Contact.puppet.constructor.name)
+      contactGetter = Contact.puppet.getContact.bind(Contact.puppet)
+    }
+    return contactGetter(this.id)
+    .then(data => {
+      log.silly('Contact', `contactGetter(${this.id}) resolved`)
+      this.rawObj = data
+      this.obj    = this.parse(data)
+      return this
+    }).catch(e => {
+      log.error('Contact', `contactGetter(${this.id}) rejected: %s`, e)
+      throw e
+    })
+  }
+
   dumpRaw() {
     console.error('======= dump raw contact =======')
     Object.keys(this.rawObj).forEach(k => console.error(`${k}: ${this.rawObj[k]}`))
@@ -65,10 +68,6 @@ class Contact {
     Object.keys(this.obj).forEach(k => console.error(`${k}: ${this.obj[k]}`))
   }
 
-  toString() {
-    return `Contact(${this.id})`
-  }
-
   get(prop) { return this.obj[prop] }
 
   send(message) {

src/group.js

@@ -19,13 +19,15 @@ class Group {
     }
   }
 
-  toString()  { return this.obj.name ? this.obj.name : this.id }
+  toString()  {
+    var name = this.obj.name ? `[${this.obj.name}]${this.id}` : this.id
+    return `Group(${name})`
+  }
 
   ready(contactGetter) {
     log.silly('Group', `ready(${contactGetter})`)
-    if (this.obj.id) {
-      return Promise.resolve(this)
-    }
+    if (this.obj.id) { return Promise.resolve(this) }
+
     contactGetter = contactGetter || Group.puppet.getContact.bind(Group.puppet)
     return contactGetter(this.id)
     .then(data => {
@@ -39,6 +41,8 @@ class Group {
     })
   }
 
+  name() { return this.obj.name }
+
   parse(rawObj) {
     return !rawObj ? {} : {
       id:         rawObj.UserName

src/message.js

@@ -15,18 +15,11 @@ class Message {
   constructor(rawObj) {
     Message.counter++
 
-    this.logToFile(JSON.stringify(rawObj))
-
     this.rawObj = rawObj = rawObj || {}
     this.obj = this.parse(rawObj)
     this.id = this.obj.id
   }
 
-  logToFile(data) {
-    require('fs').appendFile('message.log', data + '\n\n#############################\n\n', err => {
-      if (err) { log.error('Message', 'logToFile: ' + err) }
-    })
-  }
   // Transform rawObj to local m
   parse(rawObj) {
     return {
@@ -52,9 +45,9 @@ class Message {
     return s
   }
   getSenderString() {
-    const name  = this.obj.from.get('name')
+    const name  = this.obj.from.get('remark') || this.obj.from.get('name')
     const group = this.obj.group
-    return '<' + name + (group ? `@[${group}]` : '') + '>'
+    return '<' + name + (group ? `@${group}` : '') + '>'
   }
   getContentString() {
     let content = this.unescapeHtml(this.stripHtml(this.obj.content))
@@ -74,20 +67,19 @@ class Message {
   from()    { return this.obj.from }
   to()      { return this.obj.to }
   content() { return this.obj.content }
+  group()   { return this.obj.group }
 
   ready() {
-    return this.obj.from.ready()           // Contact from
+    return this.obj.from.ready()    // Contact from
     .then(r => this.obj.to.ready()) // Contact to
     .then(r => this.obj.group && this.obj.group.ready())  // Group member list
-    .then(r => this)
-    .catch(e => { // REJECT
-      log.error('Message', 'ready() rejected:' + e)
+    .then(r => this)  // ready return this for chain
+    .catch(e => {     // REJECTED
+      log.error('Message', 'ready() rejected: %s', e)
       throw new Error(e)
     })
   }
 
-  group() { return !!(this.obj.group) }
-
   get(prop) {
     if (!prop || !(prop in this.obj)) {
       const s = '[' + Object.keys(this.obj).join(',') + ']'

src/puppet-web-bridge.js

@@ -32,7 +32,50 @@ class Bridge {
   getLoginQrImgUrl()        { return this.proxyWechaty('getLoginQrImgUrl') }
   getUserName()             { return this.proxyWechaty('getUserName') }
 
-  getContact(id)            { return this.proxyWechaty('getContact', id) }
+  getContact(id)            {
+    return this.waitData(r => {
+      return this.proxyWechaty('getContact', id)
+    }, 3000)
+  }
+
+  /**
+  * Call a function repeatly untill it return a value
+  *
+  * @param <function> pfunc
+  * @param <number>   timeout
+  *
+  */
+  waitData(pfunc, timeout) {
+    log.silly('Bridge', 'waitData()')
+    const waitTime  = 50
+    let totalTime   = 0
+    return new Promise((resolve, reject) => {
+      function retry() {
+        log.silly('Bridge', 'retry()@waitData()')
+        try {
+          pfunc().then(data => {
+            if (data) {
+              log.silly('Bridge', `waitData(${totalTime}/${timeout}) succ`)
+              return resolve(data)
+            } else if (totalTime > timeout) {
+              log.silly('Bridge', `waitData(${totalTime}/${timeout}) timeout`)
+              return resolve()
+            } else {
+              log.silly('Bridge', `waitData(${totalTime}/${timeout}) retry`)
+              totalTime += waitTime
+              return setTimeout(retry, waitTime)
+            }
+            throw new Error('should not run to here')
+          })
+        } catch (e) {
+          log.silly('Bridge', `waitData(${totalTime}/${timeout}) exception: %s`, e)
+          return reject(e)
+        }
+      }
+      return retry()
+    })
+  }
+
   send(toUserName, content) { return this.proxyWechaty('send', toUserName, content) }
 
   getInjectio() {
@@ -54,10 +97,11 @@ class Bridge {
       })
       .then(r => {
         if (true===r) { log.verbose('Bridge', 'Wechaty.init() return: ' + r) }
-        else          { throw new Error('Wechaty.init() return not true') }
+        else          { throw new Error('Wechaty.init() return not true： ' + r) }
         return r
       })
     } catch (e) {
+      log.error('Bridge', 'inject() exception: %s', e)
       return Promise.reject('inject exception: ' + e)
     }
     throw new Error('should not run to here')

src/puppet-web-browser.js

@@ -46,7 +46,10 @@ class Browser {
   initDriver() {
     log.verbose('Browser', 'initDriver()')
     if (this.head) {
-      this.driver = new WebDriver.Builder().forBrowser('chrome').build()
+      this.driver = new WebDriver.Builder()
+      .setAlertBehavior('ignore')
+      .forBrowser('chrome')
+      .build()
     } else {
       this.driver = this.getPhantomJsDriver()
     }
@@ -59,6 +62,7 @@ class Browser {
     const phantomjsExe = require('phantomjs-prebuilt').path
     // const phantomjsExe = require('phantomjs2').path
     const customPhantom = WebDriver.Capabilities.phantomjs()
+    .setAlertBehavior('ignore')
     .set('phantomjs.binary.path', phantomjsExe)
     .set('phantomjs.cli.args', [
       '--ignore-ssl-errors=true' // this help socket.io connect with localhost
@@ -95,10 +99,18 @@ class Browser {
   execute(script, ...args) {
     //log.verbose('Browser', `Browser.execute(${script})`)
     if (!this.driver) {
-      throw new Error('driver not found')
+      // throw new Error('driver not found')
+      const errMsg = 'execute() called without driver'
+      log.verbose('Browser', errMsg)
+      return Promise.reject(errMsg)
     }
     // return promise
-    return this.driver.executeScript.apply(this.driver, arguments)
+    try {
+      return this.driver.executeScript.apply(this.driver, arguments)
+    } catch (e) {
+      log.error('Browser', e)
+      return Promise.reject(e)
+    }
   }
 }
 

src/puppet-web-injectio.js

@@ -192,9 +192,11 @@ return (function(port) {
     return chat.sendMessage(m)
   }
   function getContact(id) {
-    return Wechaty.glue.contactFactory
-    ? Wechaty.glue.contactFactory.getContact(id)
-    : null
+    if (Wechaty.glue.contactFactory) {
+        return Wechaty.glue.contactFactory.getContact(id)
+    }
+    log('contactFactory not inited')
+    return null
   }
   function getUserName() {
     return Wechaty.glue.accountFactory

src/puppet-web-server.js

@@ -100,12 +100,10 @@ class Server extends EventEmitter {
     this.emit('connection', client)
 
     client.on('disconnect', e => {
-      log.verbose('Server', 'socket.io disconnected: ' + e)
-      /**
-       * 1. Browser reload / 2. Lost connection(Bad network)
-       */
+      log.verbose('Server', 'socket.io disconnect: %s', e)
+      // 1. Browser reload / 2. Lost connection(Bad network)
       this.socketClient = null
-      this.emit('disconnect', 'server re-emit from socketio')
+      this.emit('disconnect', e)
     })
 
     client.on('error', e => log.error('Server', 'socketio client error: %s', e))