first commit

server/internal/apperror/error.go

@@ -0,0 +1,55 @@
+package apperror
+
+import "net/http"
+
+type AppError struct {
+	Status  int
+	Code    string
+	Message string
+	Err     error
+}
+
+func (e *AppError) Error() string {
+	if e == nil {
+		return ""
+	}
+	if e.Err != nil {
+		return e.Err.Error()
+	}
+	return e.Message
+}
+
+func (e *AppError) Unwrap() error {
+	if e == nil {
+		return nil
+	}
+	return e.Err
+}
+
+func New(status int, code, message string, err error) *AppError {
+	return &AppError{Status: status, Code: code, Message: message, Err: err}
+}
+
+func BadRequest(code, message string, err error) *AppError {
+	return New(http.StatusBadRequest, code, message, err)
+}
+
+func Unauthorized(code, message string, err error) *AppError {
+	return New(http.StatusUnauthorized, code, message, err)
+}
+
+func Forbidden(code, message string, err error) *AppError {
+	return New(http.StatusForbidden, code, message, err)
+}
+
+func Conflict(code, message string, err error) *AppError {
+	return New(http.StatusConflict, code, message, err)
+}
+
+func TooManyRequests(code, message string, err error) *AppError {
+	return New(http.StatusTooManyRequests, code, message, err)
+}
+
+func Internal(code, message string, err error) *AppError {
+	return New(http.StatusInternalServerError, code, message, err)
+}