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77 lines
1.6 KiB
Go
77 lines
1.6 KiB
Go
/*
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Copyright 2022 CAcert Inc.
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SPDX-License-Identifier: Apache-2.0
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package validator
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import (
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"reflect"
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"strings"
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"unicode/utf8"
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)
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type Validator struct {
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FieldErrors map[string]string
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}
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func (v *Validator) Valid() bool {
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return len(v.FieldErrors) == 0
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}
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func (v *Validator) AddFieldError(key, message string) {
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if v.FieldErrors == nil {
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v.FieldErrors = make(map[string]string)
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}
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if _, exists := v.FieldErrors[key]; !exists {
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v.FieldErrors[key] = message
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}
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}
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func (v *Validator) CheckField(ok bool, key, message string) {
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if !ok {
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v.AddFieldError(key, message)
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}
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}
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func NotBlank(value string) bool {
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return strings.TrimSpace(value) != ""
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}
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func NotNil(value any) bool {
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val := reflect.ValueOf(value)
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return !val.IsNil()
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}
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func MaxChars(value string, n int) bool {
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return utf8.RuneCountInString(strings.TrimSpace(value)) <= n
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}
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func MinChars(value string, n int) bool {
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return utf8.RuneCountInString(strings.TrimSpace(value)) >= n
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}
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func PermittedInt(value int, permittedValues ...int) bool {
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for i := range permittedValues {
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if value == permittedValues[i] {
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return true
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}
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}
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return false
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}
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