[이민권] api 수정

- unlink시 link collection에 doc 남겨지는 이슈 수정
- linkinfo api가 단순 link 갯수가 아니라 어떤 platform에 연동 하였는지 반환하도록 수정
- 계정 삭제 api인 delacc api 추가

core/service.go

@@ -473,12 +473,12 @@ func (sh *serviceDescription) unlink(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(http.StatusBadRequest)
 	}
 
-	link, err := sh.mongoClient.FindOne(CollectionLink, bson.M{
+	link, err := sh.mongoClient.FindOneAndDelete(CollectionLink, bson.M{
 		"platform": sType,
 		"uid":      sId,
-	}, options.FindOne().SetProjection(bson.M{"_id": 1}))
+	}, options.FindOneAndDelete().SetProjection(bson.M{"_id": 1}))
 	if err != nil {
-		logger.Error("link failed. FindOneAndUpdate link err:", err)
+		logger.Error("link failed. FindOneAndDelete link err:", err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -545,19 +545,32 @@ func (sh *serviceDescription) linkinfo(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	numRecord, err := sh.mongoClient.Collection(CollectionAccount).CountDocuments(context.Background(), bson.M{
+	platformName := "platform"
+	links, err := sh.mongoClient.FindAll(CollectionAccount, bson.M{
 		"accid": authInfo.Accid,
-	}, options.Count().SetLimit(sh.MaximumNumLinkAccount))
-
+	}, options.Find().SetLimit(sh.MaximumNumLinkAccount).SetProjection(bson.M{
+		platformName: 1,
+	}))
 	if err != nil {
 		logger.Error("linkinfo failed. CountDocuments err :", err)
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
 
-	logger.Println("linkinfo :", numRecord)
-	w.Write([]byte(fmt.Sprintf(`{"num_linked_account":"%d"}`, numRecord)))
+	var linkstrs []string
+	for _, link := range links {
+		linkstrs = append(linkstrs, link[platformName].(string))
+	}
 
+	linkbytes, err := json.Marshal(linkstrs)
+	if err != nil {
+		logger.Error("linkinfo failed. json marshal fail :", err)
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	logger.Println("linkinfo :", linkbytes)
+	w.Write(linkbytes)
 }
 
 func (sh *serviceDescription) authorize(w http.ResponseWriter, r *http.Request) {
@@ -761,6 +774,72 @@ func (sh *serviceDescription) findVersionSplit(version string) []byte {
 	return sh.divisionsSplits[""]
 }
 
+func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
+	defer func() {
+		s := recover()
+		if s != nil {
+			logger.Error(s)
+		}
+	}()
+
+	if r.Method != "GET" {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	queryvals := r.URL.Query()
+	sType := queryvals.Get("stype")
+	sId := queryvals.Get("sid")
+	sk := queryvals.Get("sk")
+
+	authInfo := sh.auths.Find(sk)
+	if authInfo == nil {
+		// 잘못된 세션
+		logger.Println("delacc failed. session key is not valid :", sk)
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	if authInfo.Uid != sId || authInfo.Platform != sType {
+		logger.Println("delacc failed. session key is not correct :", *authInfo, queryvals)
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	accids, err := sh.mongoClient.FindAll(CollectionAccount, bson.M{
+		"accid": authInfo.Accid,
+	}, options.Find().SetProjection(bson.M{
+		"_id": 1,
+	}))
+	if err != nil {
+		logger.Error("delacc failed. FindAll account err :", err)
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	var addIdFilter bson.A
+	for _, accid := range accids {
+		addIdFilter = append(addIdFilter, accid["_id"].(primitive.ObjectID))
+	}
+
+	delfilter := bson.D{{Key: "id", Value: bson.D{{Key: "$in", Value: addIdFilter}}}}
+	delaccnum, err := sh.mongoClient.DeleteMany(CollectionAccount, delfilter)
+	if err != nil {
+		logger.Error("delacc failed. Delete many CollectionAccount err :", err)
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	_, err = sh.mongoClient.DeleteMany(CollectionLink, delfilter)
+	if err != nil {
+		logger.Error("delacc failed. Delete many CollectionLink err :", err)
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	logger.Println("delacc success :", delaccnum)
+}
+
 func (sh *serviceDescription) serveHTTP(w http.ResponseWriter, r *http.Request) {
 	defer func() {
 		s := recover()
@@ -782,6 +861,8 @@ func (sh *serviceDescription) serveHTTP(w http.ResponseWriter, r *http.Request)
 		sh.unlink(w, r)
 	} else if strings.HasSuffix(r.URL.Path, "/linkinfo") {
 		sh.linkinfo(w, r)
+	} else if strings.HasSuffix(r.URL.Path, "/delacc") {
+		sh.delacc(w, r)
 	} else if strings.HasSuffix(r.URL.Path, "/divs") {
 		// TODO : 세션키와 authtoken을 헤더로 받아서 accid 조회
 		queryvals := r.URL.Query()