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voicebot/icshttp/handler.go

310 lines
8.5 KiB
Go

package icshttp
import (
"crypto/rand"
"encoding/json"
"fmt"
"io/ioutil"
"math/big"
"net/http"
"strings"
"sync"
"time"
"gitlab.com/cinnamon/voiceagent/icsconf"
"gitlab.com/cinnamon/voiceagent/icslog"
"gitlab.com/cinnamon/voiceagent/icspacketer"
"gitlab.com/cinnamon/voiceagent/icspacketparser"
)
const HANDLE_NUM = 1024
const (
TTS_FUNC1 = iota
TTS_FUNC2
TTS_FUNC3
TTS_FUNC4
BOT_FUNC
)
type Handler struct {
r *Router
}
type handleInfo struct {
id int
method string
pattern string
h http.HandlerFunc
}
type Resquest struct {
Token string `json:"token"`
OprMngCode string `json:"oprMngCode"`
Method string `json:"method"`
TalkText string `json:"talkText"`
CallId string `json:"callId"`
TelNo string `json:"telNo"`
MentType string `json:"mentType"`
RecordFilePath string `json:"recordFilePath"`
}
type Response struct {
ResultCode int `json:"resultCode"`
Token string `json:"token"`
Action string `json:"action"`
AnounceMents string `json:"announceMents"`
Data ResData `json:"DATA"`
}
type ResData struct {
BargeIn string `json:"bargeIn"`
RecodingFile string `json:"recodingFile"`
SttMaxTime int `json:"sttMaxTime"`
MaxDigit int `json:"maxDigit"`
MinDigit int `json:"minDigit"`
DigitTerm int `json:"digitTerm"`
TelNo string `json:"telNo"`
}
type ResStatus struct {
Count int
Status string
}
type ScenarioSession struct {
session map[string]ResStatus
m *sync.Mutex
}
// var scenarioSession map[string]ResStatus
var handles []*handleInfo
var session []*ScenarioSession
func init() {
handles = make([]*handleInfo, HANDLE_NUM)
// session := make(map[string]ResStatus) // session init
scenarioSession := new(ScenarioSession)
scenarioSession.session = make(map[string]ResStatus, 200)
scenarioSession.m = &sync.Mutex{}
// session = make(map[string]ResStatus) // session init
//TTS
handles[TTS_FUNC1] = &handleInfo{method: "GET", pattern: "/tts/1", h: TTSFunc1}
handles[TTS_FUNC2] = &handleInfo{method: "GET", pattern: "/tts/2", h: TTSFunc2}
handles[TTS_FUNC3] = &handleInfo{method: "POST", pattern: "/tts/3", h: TTSFunc3}
handles[TTS_FUNC4] = &handleInfo{method: "POST", pattern: "/tts/4", h: TTSFunc4}
// bot sinario
handles[BOT_FUNC] = &handleInfo{method: "POST", pattern: "/platform/api/call/process", h: scenarioSession.BOTPFunc}
}
func BuildHandler(r *Router) {
for iter, handle := range handles {
if handle != nil {
//fmt.Println(handle)
handle.id = iter
r.HandleFunc(handle.method, handle.pattern, handle.h)
} else {
break
}
}
}
/////////////////////////////////////////////
//TTS
func TTSFunc1(w http.ResponseWriter, r *http.Request) {
h := icspacketparser.NewHTTP()
err := icspacketer.PutPacket(r, &h)
if err != nil {
fmt.Println(err)
}
fmt.Fprintln(w, "TTS func 1", r)
}
func TTSFunc2(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "TTS func 2", r)
}
//post
func TTSFunc3(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "TTS func 3", r)
body := make([]byte, r.ContentLength)
r.Body.Read(body)
fmt.Println("TTS func 3", r.Method, r.URL)
for iter, v := range r.Header {
fmt.Println(iter, v)
}
fmt.Println(string(body))
}
//post
func TTSFunc4(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "TTS func 4", r)
}
/////////////////////////////////////////////
//BOT
func (s *ScenarioSession) BOTPFunc(w http.ResponseWriter, r *http.Request) {
// get scenario config
l := icslog.GetIcsLog()
conf := icsconf.GetIcsConfig()
scnarioConf := conf.ScenarioConfig
// Request json parsing
request := Resquest{}
resBody, err := ioutil.ReadAll(r.Body)
if err != nil {
fmt.Println(err)
}
defer r.Body.Close()
err = json.Unmarshal(resBody, &request)
if err != nil {
l.Printf(icslog.LOG_LEVEL_INFO, -1, "response unmarshal error!!!!! ")
}
agent := strings.SplitN(request.CallId, "@", 2)
fmt.Printf(">>>>>> DATA INFO - method [%s], agent [%s], token [%s]\n", request.Method, agent, request.Token)
l.Printf(icslog.LOG_LEVEL_INFO, -1, ">>>>>> DATA INFO - method [%s], agent [%s], token [%s] ", request.Method, agent, request.Token)
////////////////////////////////////
//////// SCENARIO MAPPING///////////
////////////////////////////////////
response := new(Response)
// 현재 들어온 method로 분기
// next 시나리오로 넘겨주기
fmt.Printf("response %+v", request)
if request.Method != "INIT" && request.TalkText == "" {
response.ResultCode = 200
response.Token = request.Token
response.Action = "END"
response.AnounceMents = ""
response.Data.BargeIn = ""
response.Data.RecodingFile = ""
response.Data.SttMaxTime = 10
} else {
if request.Method == "HANGUP" {
s.ByeCheck(request.Method, request.Token)
} else {
switch request.Method {
case "INIT":
token := createToken(request.CallId)
response.ResultCode = 200
response.Token = token
response.Action = scnarioConf.Order[1]
response.AnounceMents = scnarioConf.Value[0]
response.Data.BargeIn = scnarioConf.BargeIn[0]
response.Data.RecodingFile = "Y"
response.Data.SttMaxTime = scnarioConf.SttMaxTime[0]
s.m.Lock()
s.session[token] = ResStatus{Count: 1, Status: scnarioConf.Order[0]}
s.m.Unlock()
case "STT":
response.ResultCode = 200
response.Token = request.Token
response.Action = scnarioConf.Order[s.session[request.Token].Count+1]
response.AnounceMents = scnarioConf.Value[s.session[request.Token].Count]
response.Data.BargeIn = scnarioConf.BargeIn[s.session[request.Token].Count]
response.Data.RecodingFile = "Y"
response.Data.SttMaxTime = scnarioConf.SttMaxTime[s.session[request.Token].Count]
s.m.Lock()
s.session[request.Token] = ResStatus{Count: s.session[request.Token].Count + 1, Status: scnarioConf.Order[s.session[request.Token].Count+1]}
s.m.Unlock()
case "DTMF":
response.ResultCode = 200
response.Token = request.Token
response.Action = scnarioConf.Order[s.session[request.Token].Count+1]
response.AnounceMents = scnarioConf.Value[s.session[request.Token].Count]
response.Data.BargeIn = "N"
response.Data.RecodingFile = "Y"
response.Data.SttMaxTime = 3
s.m.Lock()
s.session[request.Token] = ResStatus{Count: s.session[request.Token].Count + 1, Status: scnarioConf.Order[s.session[request.Token].Count+1]}
s.m.Unlock()
case "REFER":
response.Data.TelNo = "010-1234-1234"
s.m.Lock()
s.session[request.Token] = ResStatus{Count: s.session[request.Token].Count + 1, Status: scnarioConf.Order[s.session[request.Token].Count+1]}
s.m.Unlock()
case "BYE": // 전화 종료 요청
response.ResultCode = 200
response.Token = request.Token
response.Action = "END"
response.AnounceMents = "접수가 완료되었습니다."
response.Data.BargeIn = "Y"
response.Data.RecodingFile = "Y"
response.Data.SttMaxTime = 0
// case "HANGUP":
// response.ResultCode = 200
// response.Token = request.Token
// response.Action = ""
// response.AnounceMents = ""
// response.Data.BargeIn = ""
// response.Data.RecodingFile = ""
// response.Data.SttMaxTime = 0
// if ByeCheck(request.Method, request.Token) {
// }
}
}
}
// response marshal
resMarshal, jerr := json.Marshal(response)
if jerr != nil {
fmt.Println("Json Marshal error ", jerr)
}
l.Printf(icslog.LOG_LEVEL_INFO, -1, "Send Message\n %s", string(resMarshal))
// send response
fmt.Fprintln(w, string(resMarshal))
}
func createToken(callId string) string {
token := ""
// length := []int{8, 4, 4, 4, 12}
// codeAlphabet := "abcdefghijklmnopqrstuvwxyz"
// codeAlphabet += "0123456789"
// for i, v := range length {
// fmt.Println(i, v)
// for j := 0; j < v; j++ {
// token += string(codeAlphabet[cryptoRandSecure(int64(len(codeAlphabet)))])
// }
// if v != 12 {
// token += "-"
// }
// }
times := fmt.Sprintf("%d", time.Now().UnixNano()/1000000)
tokens := strings.Split(callId, "@")[0] + times
token = tokens[0:8] + "-" + tokens[8:12] + "-" + tokens[12:16] + "-" + tokens[16:20] + "-" + tokens[20:32]
return token
}
func cryptoRandSecure(max int64) int64 {
nBig, err := rand.Int(rand.Reader, big.NewInt(max))
if err != nil {
fmt.Println(err)
}
return nBig.Int64()
}
func (s *ScenarioSession) ByeCheck(method string, token string) {
l := icslog.GetIcsLog()
// fmt.Printf(">>>>>> SESSION BYE INFO - token [%s]\n", token)
l.Printf(icslog.LOG_LEVEL_INFO, -1, ">>>>>> SESSION BYE INFO - token [%s] ", token)
s.m.Lock()
delete(s.session, token)
s.m.Unlock()
}