authorization enforced on webpages

internal/site/response/error.go

@@ -48,6 +48,12 @@ func Forbidden() ErrorResponse {
 	}
 }
 
+func Conflict() ErrorResponse {
+	return ErrorResponse{
+		status: http.StatusConflict,
+	}
+}
+
 // builder pattern implementation
 
 func (e ErrorResponse) Msg(msg string) ErrorResponse {
@@ -55,6 +61,11 @@ func (e ErrorResponse) Msg(msg string) ErrorResponse {
 	return e
 }
 
+func (e ErrorResponse) Msgf(format string, args ...any) ErrorResponse {
+	e.msg = fmt.Sprintf(format, args...)
+	return e
+}
+
 func (e ErrorResponse) Status(status int) ErrorResponse {
 	e.status = status
 	return e
@@ -92,33 +103,33 @@ func (e ErrorResponse) Unwrap() error {
 
 // nested response value resolution
 
-func (e ErrorResponse) getStatus() (int, bool) {
+func (e ErrorResponse) GetStatus() (int, bool) {
 	if e.status != 0 {
 		return e.status, true
 	}
 
-	ce, ok := getError(e.err)
+	ce, ok := GetError(e.err)
 	if ok {
-		return ce.getStatus()
+		return ce.GetStatus()
 	}
 
 	return 0, false
 }
 
-func (e ErrorResponse) getMsg() (string, bool) {
+func (e ErrorResponse) GetMsg() (string, bool) {
 	if e.msg != "" {
 		return e.msg, true
 	}
 
-	ce, ok := getError(e.err)
+	ce, ok := GetError(e.err)
 	if ok {
-		return ce.getMsg()
+		return ce.GetMsg()
 	}
 
 	return "", false
 }
 
-func getError(err error) (e ErrorResponse, ok bool) {
+func GetError(err error) (e ErrorResponse, ok bool) {
 	ok = errors.As(err, &e)
 	return e, ok
 }