package customerrors import ( "fmt" "net" "net/url" "strings" "github.com/go-playground/validator/v10" ) func OSErrorFormater(err error) error { errStr := err.Error() if strings.Contains(errStr, "no such file or directory") { fileName1 := strings.Index(errStr, "open") fileName2 := strings.LastIndex(errStr, ":") return NewFileNotFoundError(errStr[fileName1+5:fileName2], err) } return ErrInvalidFile } func shortenNamespace(namespace string) string { return namespace[strings.Index(namespace, ".")+1:] } func ValidationErrorsFormater(errs validator.ValidationErrors) error { errsStr := make(map[string]string) for _, err := range errs { switch err.Tag() { case "required": errsStr[shortenNamespace(err.Namespace())] = fmt.Sprintf("Field \"%s\" is required", err.Field()) case "gte": errsStr[shortenNamespace(err.Namespace())] = fmt.Sprintf("Value of \"%s\" must be greater than or equal to \"%s\"", err.Field(), err.Param()) case "lte": errsStr[shortenNamespace(err.Namespace())] = fmt.Sprintf("Value of \"%s\" must be less than or equal to \"%s\"", err.Field(), err.Param()) case "filepath": errsStr[shortenNamespace(err.Namespace())] = fmt.Sprintf("Invalid file path for \"%s\" field: \"%s\"", err.Field(), err.Value()) case "http_url": errsStr[shortenNamespace(err.Namespace())] = fmt.Sprintf("Invalid url for \"%s\" field: \"%s\"", err.Field(), err.Value()) // --------------------------------------| Custom validations |-------------------------------------- case "http_method": errsStr[shortenNamespace(err.Namespace())] = fmt.Sprintf("Invalid HTTP method for \"%s\" field: \"%s\"", err.Field(), err.Value()) case "proxy_url": errsStr[shortenNamespace(err.Namespace())] = fmt.Sprintf("Invalid proxy url for \"%s\" field: \"%s\" (it must be http, socks5 or socks5h)", err.Field(), err.Value()) case "string_bool": errsStr[shortenNamespace(err.Namespace())] = fmt.Sprintf("Invalid value for \"%s\" field: \"%s\"", err.Field(), err.Value()) default: errsStr[shortenNamespace(err.Namespace())] = fmt.Sprintf("Invalid value for \"%s\" field: \"%s\"", err.Field(), err.Value()) } } return NewValidationErrors(errsStr, errs) } func RequestErrorsFormater(err error) string { switch e := err.(type) { case *url.Error: if netErr, ok := e.Err.(net.Error); ok && netErr.Timeout() { return "Timeout Error" } if strings.Contains(e.Error(), "http: ContentLength=") { println(e.Error()) return "Empty Body Error" } // TODO: Add more cases } return "Unknown Error" }