chore: init repository

internal/utils/responses.go

@@ -0,0 +1,31 @@
+package utils
+
+import (
+	"encoding/json"
+	"john/internal/storage/model"
+	"net/http"
+)
+
+func JSON(w http.ResponseWriter, status int, data interface{}) {
+	w.Header().Set(HeaderNameContentType, HeaderValueApplicationJSONUTF8)
+	w.WriteHeader(status)
+	if data != nil {
+		json.NewEncoder(w).Encode(data)
+	}
+}
+
+func JSONError(w http.ResponseWriter, e model.APIError) {
+	if e.Headers != nil {
+		for k, headers := range e.Headers {
+			for _, headerValue := range headers {
+				w.Header().Add(k, headerValue)
+			}
+		}
+	}
+	JSON(w, e.HTTPCode, e)
+}
+
+func JSONErrorWithMessage(w http.ResponseWriter, e model.APIError, message string) {
+	e.Description = message
+	JSONError(w, e)
+}