Add: new endpoint /api/users

+package endpoints
+
+import (
+	"classroom/functions"
+	"classroom/models"
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// POST /users
+func (e *Endpoints) UsersPost(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
+	// Get user email
+	var email string
+	if _email, ok := r.Header["X-User-Email"]; ok {
+		email = _email[0]
+	} else {
+		functions.ResponseError(w, 401, "X-User-Email 헤더를 보내세요.")
+		return
+	}
+
+	// Check Permission
+	var _count int64
+	row := e.DB.QueryRow(`
+		SELECT count(id)
+		FROM users
+		WHERE is_super=1
+			AND email=?;
+	`, email)
+	if err := row.Scan(&_count); err == nil {
+		if _count <= 0 {
+			functions.ResponseError(w, 403, "관리자 권한 부족.")
+			return
+		}
+	} else {
+		functions.ResponseError(w, 500, "예기치 못한 에러 : "+err.Error())
+		return
+	}
+
+	// Parse Request Data
+	var isSuper bool
+	type reqDataStruct struct {
+		Email   *string `json:"email"`
+		IsSuper *bool   `json:"is_super"`
+	}
+	var reqData reqDataStruct
+	if strings.Contains(r.Header.Get("Content-Type"), "application/json") {
+		body, err := ioutil.ReadAll(r.Body)
+		if err != nil {
+			functions.ResponseError(w, 500, err.Error())
+		}
+		json.Unmarshal(body, &reqData)
+	} else {
+		functions.ResponseError(w, 400, "JSON 형식만 가능합니다.")
+		return
+	}
+	if reqData.Email == nil {
+		functions.ResponseError(w, 400, "파라미터를 전부 보내주세요.")
+		return
+	}
+
+	if reqData.IsSuper == nil {
+		isSuper = false
+	} else {
+		isSuper = *(reqData.IsSuper)
+	}
+
+	// Querying
+	result, err := e.DB.Exec(`
+		INSERT INTO users (email, is_super)
+		VALUES (?, ?);
+	`, *(reqData.Email), isSuper)
+	if err != nil {
+		functions.ResponseError(w, 500, "예기치 못한 에러 : "+err.Error())
+		return
+	}
+
+	// Result
+	resp := models.UsersPostResponse{}
+	resp.UserID, err = result.LastInsertId()
+	if err != nil {
+		functions.ResponseError(w, 500, "예기치 못한 에러 : "+err.Error())
+		return
+	}
+
+	functions.ResponseOK(w, "success", resp)
+	return
+}

@@ -61,6 +61,7 @@ func main() {
 	// Router Setting
 	router := httprouter.New()
 	router.GET("/api", ep.IndexGet)
+	router.POST("/api/users", ep.UsersPost)
 	router.GET("/api/timetables/:file_id/:sheet_id/cell", ep.CellGet)
 	router.POST("/api/timetables/:file_id/:sheet_id/reservation", ep.ReservationPost)
 	router.DELETE("/api/timetables/:file_id/:sheet_id/reservation/:reservation_id", ep.ReservationDelete)
@@ -69,10 +70,12 @@ func main() {
 	portStr := strconv.Itoa(cfg.Server.Port)
 	if cfg.Server.LocalMode {
 		handler := cors.AllowAll().Handler(router)
+		hs := make(HostSwitch)
+		hs["icns.frec.kr:8080"] = handler
 
 		// Start Server in Local Mode
 		log.Println("[Local Mode] Starting HTTP API Server on port", portStr)
-		log.Fatal(http.ListenAndServe(":"+portStr, handler))
+		log.Fatal(http.ListenAndServe(":"+portStr, hs))
 
 	} else { // Release Mode
 		handler := cors.AllowAll().Handler(router)

+package models
+
+type UsersPostResponse struct {
+	UserID int64 `json:"user_id"`
+}