remove echo server to standalone file

serveCommand.go

 package main
 
 import (
-	"fmt"
 	"log"
-	"os"
 )
 
 func serveCommand(openID string, in InWechatMsg) (state chatState, processed bool) {
 	log.Println("process command")
 	return echoCommand(openID, in)
 }
-
-func echoCommand(openID string, in InWechatMsg) (state chatState, processed bool) {
-	processed = true
-	str, err := BuildTextMsg(openID, "default")
-	log.Println(in.header.MsgType)
-	switch in.body.(type) {
-	case TextMsg:
-		m := in.body.(TextMsg)
-		str, err = BuildTextMsg(openID, m.Content+"\n\n关键词 [转接] 将后续信息都转接到 客服")
-		if m.Content == "转接" {
-			processed = false
-		}
-
-	case PicMsg:
-		m := in.body.(PicMsg)
-		str = buildPicMsg(openID, m.MediaId)
-
-	case VoiceMsg:
-		m := in.body.(VoiceMsg)
-		str = buildVoiceMsg(openID, m.MediaId)
-		kfSendTxt(openID, "翻译结果:"+m.Recognition)
-	case VideoMsg:
-		m := in.body.(VideoMsg)
-		str = buildVideoMsg(openID, "e2iNEiSxCX5TV1WbFd0TQMn5lilY3bylh1--lDBwi7I", "航拍春日哈工大", m.MediaId)
-	case ShortVideoMsg:
-		m := in.body.(ShortVideoMsg)
-		str = buildVideoMsg(openID, "e2iNEiSxCX5TV1WbFd0TQMn5lilY3bylh1--lDBwi7I", "航拍春日哈工大", m.MediaId)
-	case LocationMsg:
-		m := in.body.(LocationMsg)
-		mid := location2MediaID(m.Location_X, m.Location_Y)
-		//str, _ = BuildTextMsg(openID, fmt.Sprintf("long=%f, lat=%f, scale=%d", m.Location_X, m.Location_Y, m.Scale))
-		str = buildPicMsg(openID, mid)
-		url := location2URL(m.Location_X, m.Location_Y)
-		kfSendTxt(openID, url)
-
-	case LinkMsg:
-		m := in.body.(LinkMsg)
-		kfSendTxt(openID, m.Title+m.Description)
-		str, _ = BuildTextMsg(openID, m.Url)
-	case EventMsg:
-		return echoEvents(openID, in)
-	default:
-		str, err = BuildTextMsg(openID, "text message")
-	}
-
-	state.OpenID = openID
-	state.Procedure = ""
-	state.response = str
-	log.Println(str)
-	if err != nil {
-		log.Println("build response failed")
-		processed = false
-	}
-	//state is any state that
-	return
-}
-
-func echoEvents(openID string, in InWechatMsg) (state chatState, processed bool) {
-	processed = true
-	str := ""
-	m := in.body.(EventMsg)
-	log.Println("Event = " + m.Event)
-	switch m.Event {
-	case "LOCATION":
-		mid := location2MediaID(m.Latitude, m.Longitude)
-		str = buildPicMsg(openID, mid)
-	case "CLICK":
-		str, _ = BuildTextMsg(openID, m.EventKey)
-	case "subscribe":
-		str, _ = BuildTextMsg(openID, m.EventKey)
-	case "unsubscribe":
-		str, _ = BuildTextMsg(openID, m.EventKey)
-	case "SCAN":
-		str, _ = BuildTextMsg(openID, m.EventKey)
-	case "VIEW":
-		str, _ = BuildTextMsg(openID, m.EventKey)
-	case "kf_create_session":
-		kfSendTxt(openID, m.KfAccount)
-		//str, _ = BuildTextMsg(openID, m.KfAccount) // response msg is ignored by wechat
-	case "kf_close_session":
-		kfSendTxt(openID, m.KfAccount+"\n close type ="+m.CloseType)
-		//str, _ = BuildTextMsg(openID, m.KfAccount+"\n close type ="+m.CloseType) //response msg is ignored by wechat
-	case "scancode_waitmsg":
-		log.Println(m.ScanCodeInfo.ScanResult)
-		log.Println(m.ScanCodeInfo.ScanType)
-		msg := fmt.Sprintf("ScanResult =%s, ScanType=%s", m.ScanCodeInfo.ScanResult, m.ScanCodeInfo.ScanType)
-		kfSendTxt(openID, msg)
-	case "pic_photo_or_album":
-		msg := fmt.Sprintf("Count = %d ", m.SendPicsInfo.Count)
-		log.Println(m.SendPicsInfo.Count)
-		for _, v := range m.SendPicsInfo.PicList.Item {
-			log.Println(v.PicMd5Sum)
-			kfSendTxt(openID, v.PicMd5Sum)
-		}
-		kfSendTxt(openID, msg)
-	default:
-		str, _ = BuildTextMsg(openID, " unknown event:"+m.Event)
-	}
-	state.response = str
-	return
-}
-
-func location2MediaID(lat, long float64) (mediaID string) {
-	url := fmt.Sprintf("https://maps.googleapis.com/maps/api/staticmap?center=%f,%f&markers=color:red|label:S|%f,%f&zoom=17&size=1280x2014", lat, long, lat, long)
-	file, _, _ := saveURL(url)
-	mediaID = uploadImage(file)
-	os.Remove(file)
-	return
-}
-
-func location2URL(lat, long float64) (url string) {
-	url = fmt.Sprintf("http://maps.google.com/maps?z=12&t=m&q=loc:%f+%f", lat, long)
-	log.Println(url)
-	return
-}