feat: added refresh tokens

internal/api/request/auth.go

@@ -11,6 +11,10 @@ type LoginPayload struct {
 	Password string `json:"password"`
 }
 
+type RefreshPayload struct {
+	RefreshToken string `json:"refresh_token"`
+}
+
 func DecodeLogin(r *http.Request) (LoginPayload, error) {
 	var payload LoginPayload
 
@@ -23,3 +27,16 @@ func DecodeLogin(r *http.Request) (LoginPayload, error) {
 
 	return payload, nil
 }
+
+func DecodeRefresh(r *http.Request) (RefreshPayload, error) {
+	var payload RefreshPayload
+
+	decoder := json.NewDecoder(r.Body)
+	decoder.DisallowUnknownFields()
+
+	if err := decoder.Decode(&payload); err != nil {
+		return payload, fmt.Errorf("error decoding refresh payload: %w", err)
+	}
+
+	return payload, nil
+}