Notify push test

internal/domain/err.go

@@ -0,0 +1,23 @@
+package domain
+
+var ErrAuthFailed = NewXError(4999, "auth failed")
+
+type XError struct {
+	Code int    `json:"code"`
+	Msg  string `json:"msg"`
+}
+
+func NewXError(code int, msg string) *XError {
+	return &XError{code, msg}
+}
+
+func (e *XError) Error() string {
+	return e.Msg
+}
+
+func (e *XError) GetCode() int {
+	if e.Code == 0 {
+		return 100
+	}
+	return e.Code
+}