84 lines
1.7 KiB
Go
84 lines
1.7 KiB
Go
// Copyright 2024 The Forgejo Authors. All rights reserved.
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// Copyright 2023 The Forgejo Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package validation
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import (
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"fmt"
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"reflect"
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"strings"
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"unicode/utf8"
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"code.gitea.io/gitea/modules/timeutil"
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)
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// ErrNotValid represents an validation error
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type ErrNotValid struct {
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Message string
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}
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func (err ErrNotValid) Error() string {
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return fmt.Sprintf("Validation Error: %v", err.Message)
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}
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// IsErrNotValid checks if an error is a ErrNotValid.
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func IsErrNotValid(err error) bool {
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_, ok := err.(ErrNotValid)
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return ok
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}
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type Validateable interface {
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Validate() []string
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}
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func IsValid(v Validateable) (bool, error) {
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if err := v.Validate(); len(err) > 0 {
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typeof := reflect.TypeOf(v)
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errString := strings.Join(err, "\n")
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return false, ErrNotValid{fmt.Sprint(typeof, ": ", errString)}
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}
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return true, nil
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}
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func ValidateNotEmpty(value any, name string) []string {
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isValid := true
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switch v := value.(type) {
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case string:
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if v == "" {
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isValid = false
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}
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case timeutil.TimeStamp:
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if v.IsZero() {
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isValid = false
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}
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case int64:
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if v == 0 {
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isValid = false
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}
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default:
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isValid = false
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}
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if isValid {
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return []string{}
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}
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return []string{fmt.Sprintf("%v should not be empty", name)}
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}
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func ValidateMaxLen(value string, maxLen int, name string) []string {
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if utf8.RuneCountInString(value) > maxLen {
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return []string{fmt.Sprintf("Value %v was longer than %v", name, maxLen)}
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}
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return []string{}
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}
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func ValidateOneOf(value any, allowed []any, name string) []string {
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for _, allowedElem := range allowed {
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if value == allowedElem {
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return []string{}
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}
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}
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return []string{fmt.Sprintf("Value %v is not contained in allowed values %v", value, allowed)}
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}
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