update restful api

api/e/error.go

@@ -0,0 +1,50 @@
+package e
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+type ServerError struct {
+	Code    int
+	Message string
+}
+
+type ErrorResponse struct {
+	Succeed    bool        `json:"succeed"`
+	Message    string      `json:"message"`
+	StatusCode int         `json:"statusCode"`
+	Data       interface{} `json:"data"`
+}
+
+func getServerError(err string) ServerError {
+	code, exists := Codes[err]
+
+	println(err)
+
+	if !exists {
+		err = "BAD_REQUEST"
+		code = 40000
+	}
+
+	return ServerError{
+		Code:    code,
+		Message: err,
+	}
+}
+
+func ErrorHandler(w http.ResponseWriter, err string, message string) {
+	serverError := getServerError(err)
+
+	res := ErrorResponse{
+		Succeed:    false,
+		Message:    message,
+		StatusCode: serverError.Code,
+		Data:       nil,
+	}
+
+	statusCode := int(serverError.Code / 100)
+
+	w.WriteHeader(statusCode)
+	json.NewEncoder(w).Encode(res)
+}