using *InWechatMsg to prevent double reply.

chatSession.go

@@ -151,7 +151,7 @@ func (ss *openIDSessionData) getVal(key string) string {
 
 //main entry point for processing each incoming message
 //this stage has session date available
-func (ss *openIDSessionData) incomingMsg(v InWechatMsg) {
+func (ss *openIDSessionData) incomingMsg(v *InWechatMsg) {
 	openID := v.header.FromUserName
 	//kfSendTxtAs(openID, "信息收到"+v.header.MsgType, "孙鹏")
 	//are we in an existing procedure

eventSubscribe.go

@@ -9,7 +9,7 @@ import (
 	"time"
 )
 
-func onSubscribe(in InWechatMsg) {
+func onSubscribe(in* InWechatMsg) {
 	openID := in.header.FromUserName
 	//check whether we have his own record in the CRM system
 	info, found, err := crmFindLeadByOpenID(openID)
@@ -88,7 +88,7 @@ func (in *InWechatMsg) askUserFillupBasicInfo() {
 	templateSendJoinCommunity(in.header.FromUserName, url, first, remark, communityName, joinDate)
 }
 
-func sendGreeting4ExistingUser(in InWechatMsg, info crmdLead) {
+func sendGreeting4ExistingUser(in* InWechatMsg, info crmdLead) {
 
 	first := "欢迎" + info.Name + "返回澳洲校友会"
 	//url := "http://wechat.hitxy.org.au/profile_newly_register"
@@ -136,7 +136,7 @@ func (m *WechatUserInfo) uploadAvatar() (avatarID string, err error) {
 }
 
 //when user left
-func onUnSubscribe(in InWechatMsg) {
+func onUnSubscribe(in* InWechatMsg) {
 	info, found, err := crmFindLeadByOpenID(in.header.FromUserName)
 
 	if err != nil {

location.go

@@ -15,7 +15,7 @@ type crmdLocation struct {
 }
 
 //record location
-func onLocation(in InWechatMsg) {
+func onLocation(in* InWechatMsg) {
 	openID := in.header.FromUserName
 
 	lead, found, err := crmFindLeadByOpenID(openID)

main.go

@@ -69,7 +69,7 @@ func setupHTTPHandler() {
 
 func startSessionManager(concurrent int) {
 	m := SessionManager{}
-	AllInMessage = make(chan InWechatMsg, concurrent)
+	AllInMessage = make(chan *InWechatMsg, concurrent)
 	go m.startSessionManager(AllInMessage)
 }
 

menuClick.go

@@ -1,6 +1,6 @@
 package main
 
-func onClick(in InWechatMsg) {
+func onClick(in* InWechatMsg) {
 	e := in.body.(EventMsg)
 	openid := in.header.FromUserName
 	switch e.EventKey {

procDummy.go

@@ -15,17 +15,17 @@ func (m *procDummyDef) clean(ss *openIDSessionData) {
 	ss.Procedure = ""
 }
 
-func (m *procDummyDef) start(ss *openIDSessionData, in InWechatMsg) {
+func (m *procDummyDef) start(ss *openIDSessionData, in* InWechatMsg) {
 
 }
 
-func (m *procDummyDef) serve(ss *openIDSessionData, in InWechatMsg) {
+func (m *procDummyDef) serve(ss *openIDSessionData, in* InWechatMsg) {
 
 }
 func (m *procDummyDef) summary(ss *openIDSessionData) {
 
 }
 
-func (m *procDummyDef) intro(ss *openIDSessionData, in InWechatMsg) {
+func (m *procDummyDef) intro(ss *openIDSessionData, in* InWechatMsg) {
 
 }

procEcho.go

@@ -23,11 +23,11 @@ func (m *procEchoDef) clean(ss *openIDSessionData) {
 	//log.Println(*ss)
 }
 
-func (m *procEchoDef) start(ss *openIDSessionData, in InWechatMsg) {
+func (m *procEchoDef) start(ss *openIDSessionData, in* InWechatMsg) {
 	ss.setKvPair("started at", time.Now().Format("2006/03:04:05"))
 }
 
-func (m *procEchoDef) serve(ss *openIDSessionData, in InWechatMsg) {
+func (m *procEchoDef) serve(ss *openIDSessionData, in* InWechatMsg) {
 	stopEcho := false
 	if in.header.MsgType == "text" {
 		if in.body.(TextMsg).Content == "结束Echo" || in.body.(TextMsg).Content == "结束echo" {
@@ -62,12 +62,12 @@ func (m *procEchoDef) summary(ss *openIDSessionData) {
 	kfSendTxt(ss.OpenID, msg)
 }
 
-func (m *procEchoDef) intro(ss *openIDSessionData, in InWechatMsg) {
+func (m *procEchoDef) intro(ss *openIDSessionData, in* InWechatMsg) {
 	in.replyText("请输入不同类型的微信信息，比如文字，图片，视频，地址，链接，我们将原样回应您")
 	kfSendTxt(ss.OpenID, "10分钟静默之后 Echo将自动结束，\n输入 [结束Echo],或者语音 ‘退出退出', 清除Echo模式")
 }
 
-func (m *procEchoDef) doCommand(ss *openIDSessionData, in InWechatMsg) {
+func (m *procEchoDef) doCommand(ss *openIDSessionData, in* InWechatMsg) {
 	openID := in.header.FromUserName
 	str, err := BuildTextMsg(openID, "default")
 	log.Println("echoCommand :" + in.header.MsgType)
@@ -124,7 +124,7 @@ func (m *procEchoDef) doCommand(ss *openIDSessionData, in InWechatMsg) {
 	return
 }
 
-func (m *procEchoDef) doEvents(ss *openIDSessionData, in InWechatMsg) {
+func (m *procEchoDef) doEvents(ss *openIDSessionData, in* InWechatMsg) {
 	openID := in.header.FromUserName
 	str := ""
 	e := in.body.(EventMsg)

procGetBasicUserInfo.go

@@ -14,12 +14,12 @@ func (m *getBasicUserInfoDef) init(ss *openIDSessionData) {
 func (m *getBasicUserInfoDef) clean(ss *openIDSessionData) {
 	ss.Procedure = ""
 }
-func (m *getBasicUserInfoDef) start(ss *openIDSessionData, in InWechatMsg) {
-	procGetBasicUserInfo.summary(ss)
-	in.replyText("get user info")
+func (m *getBasicUserInfoDef) start(ss *openIDSessionData, in *InWechatMsg) {
+	//procGetBasicUserInfo.summary(ss)
+	in.replyText("panic")
 }
 
-func (m *getBasicUserInfoDef) serve(ss *openIDSessionData, in InWechatMsg) {
+func (m *getBasicUserInfoDef) serve(ss *openIDSessionData, in *InWechatMsg) {
 	in.replyText("servve get user info")
 	procGetBasicUserInfo.clean(ss)
 
@@ -28,6 +28,6 @@ func (m *getBasicUserInfoDef) summary(ss *openIDSessionData) {
 
 }
 
-func (m *getBasicUserInfoDef) intro(ss *openIDSessionData, in InWechatMsg) {
-
+func (m *getBasicUserInfoDef) intro(ss *openIDSessionData, in *InWechatMsg) {
+	in.replyText("111")
 }

procedure.go

@@ -24,10 +24,10 @@ type chatProcedure interface {
 	init(*openIDSessionData)  //house keeping
 	clean(*openIDSessionData) //house keeping
 
-	start(*openIDSessionData, InWechatMsg) //for first message
-	serve(*openIDSessionData, InWechatMsg) //for all subsequent message
-	summary(*openIDSessionData)            //after all message has been done
-	intro(*openIDSessionData, InWechatMsg) //initial text/video/voice introduction
+	start(*openIDSessionData, *InWechatMsg) //for first message
+	serve(*openIDSessionData, *InWechatMsg) //for all subsequent message
+	summary(*openIDSessionData)             //after all message has been done
+	intro(*openIDSessionData, *InWechatMsg) //initial text/video/voice introduction
 }
 
 //AllProc all procedure that we implemented

serveCommand.go

@@ -7,7 +7,7 @@ import (
 	"time"
 )
 
-type commandFunction func(*openIDSessionData, InWechatMsg) bool
+type commandFunction func(*openIDSessionData, *InWechatMsg) bool
 
 var commandMap = map[string]commandFunction{
 	"版本信息":    cmdVersion,
@@ -16,7 +16,7 @@ var commandMap = map[string]commandFunction{
 	"回音": cmdEcho,
 }
 
-func (ss *openIDSessionData) serveCommand(in InWechatMsg) (processed bool) {
+func (ss *openIDSessionData) serveCommand(in *InWechatMsg) (processed bool) {
 	switch in.header.MsgType {
 	case "text":
 		processed = ss.serveTextCommand(in)
@@ -38,7 +38,7 @@ func (ss *openIDSessionData) serveCommand(in InWechatMsg) (processed bool) {
 
 }
 
-func (ss *openIDSessionData) serveTextCommand(in InWechatMsg) (processed bool) {
+func (ss *openIDSessionData) serveTextCommand(in *InWechatMsg) (processed bool) {
 	cmd := ""
 	if in.header.MsgType == "text" {
 		cmd = in.body.(TextMsg).Content
@@ -66,7 +66,7 @@ func (ss *openIDSessionData) serveTextCommand(in InWechatMsg) (processed bool) {
 	return false //不认识的命令，我们选择这个信息不处理
 }
 
-func allCommand(ss *openIDSessionData, in InWechatMsg) (processed bool) {
+func allCommand(ss *openIDSessionData, in *InWechatMsg) (processed bool) {
 	processed = true
 	msg := "命令如下:\n"
 	count := 0
@@ -84,13 +84,13 @@ func allCommand(ss *openIDSessionData, in InWechatMsg) (processed bool) {
 	return
 }
 
-func cmdVersion(ss *openIDSessionData, in InWechatMsg) (processed bool) {
+func cmdVersion(ss *openIDSessionData, in *InWechatMsg) (processed bool) {
 	processed = true
 	in.replyText("这是测试版本" + time.Now().Format("2006/01/02 03:04:05"))
 	return
 }
 
-func cmdEcho(ss *openIDSessionData, in InWechatMsg) (processed bool) {
+func cmdEcho(ss *openIDSessionData, in *InWechatMsg) (processed bool) {
 	processed = true
 	procEcho.init(ss)
 	procEcho.intro(ss, in)

serveEvents.go

@@ -1,6 +1,6 @@
 package main
 
-func (ss *openIDSessionData) serveEvents(in InWechatMsg) (processed bool) {
+func (ss *openIDSessionData) serveEvents(in* InWechatMsg) (processed bool) {
 	processed = true
 	e := in.body.(EventMsg)
 	switch e.Event {

server.go

@@ -67,7 +67,7 @@ func answerWechatPost(w http.ResponseWriter, r *http.Request) {
 		log.Println("Error:  Invalid Input ")
 	} else {
 		//put into user session based pipeline
-		AllInMessage <- in
+		AllInMessage <- &in
 		//read instant response
 		reply = <-in.instantResponse
 	}

sessionManager.go

@@ -9,7 +9,7 @@ import (
 type openIDSession struct {
 	openID string //who is this?
 	count  int    //  number of message in the Queue, channel
-	jobs   chan InWechatMsg
+	jobs   chan *InWechatMsg
 	data   openIDSessionData //session data, that needs to be saved to disk
 }
 
@@ -29,13 +29,13 @@ type SessionManager struct {
 //  we collect them and redistribute it according to
 //  openID, all messages for a single openID will be
 //  sequentially processed
-var AllInMessage chan InWechatMsg
+var AllInMessage chan *InWechatMsg
 
 //a stand alone routine that manage all
 // live sessions
 // take all message and fanout to different openid handlers
 // for each openid, its message are manipulated in serial manner.
-func (m *SessionManager) startSessionManager(in <-chan InWechatMsg) {
+func (m *SessionManager) startSessionManager(in <-chan *InWechatMsg) {
 	log.Println("session manager start..")
 	m.sessions = map[string]openIDSession{}
 	m.done = make(chan workDone, 2000) //2000 different openID simultaneously.
@@ -51,14 +51,14 @@ func (m *SessionManager) startSessionManager(in <-chan InWechatMsg) {
 	}
 }
 
-func (m *SessionManager) processIncomingMsg(v InWechatMsg) {
+func (m *SessionManager) processIncomingMsg(v *InWechatMsg) {
 	cnt := m.addJob(v)
 	if cnt == 1 { //there is no worker thread working
 		go m.startJob(v.header.FromUserName)
 	}
 }
 
-func (m *SessionManager) addJob(v InWechatMsg) (jobCount int) {
+func (m *SessionManager) addJob(v *InWechatMsg) (jobCount int) {
 	openID := v.header.FromUserName
 	s, found := m.sessions[openID]
 	if !found { //create one
@@ -80,7 +80,7 @@ func (m *SessionManager) createSession(openID string) openIDSession {
 	s := openIDSession{}
 	s.openID = openID
 	s.count = 0
-	s.jobs = make(chan InWechatMsg, 50)
+	s.jobs = make(chan *InWechatMsg, 50)
 	s.data = openIDSessionData{}
 	s.data.Load(openID)    //either load or create new
 	m.sessions[openID] = s //register it to memory
@@ -146,7 +146,7 @@ func (m *SessionManager) startJob(openID string) {
 	return
 }
 
-func (m *SessionManager) checkOpenID(openID string, v InWechatMsg) {
+func (m *SessionManager) checkOpenID(openID string, v *InWechatMsg) {
 	if v.header.FromUserName != openID {
 		log.Println("Error:[SessionMgr/checkOpenID] Weird Message below ...")
 		log.Println(v)