Files
snippetbox/internal/validator/validator.go
lbenedar 2824e51c29 ch11.3
2026-03-06 12:35:10 +03:00

58 lines
1.2 KiB
Go

package validator
import (
"regexp"
"strings"
"unicode/utf8"
)
type Validator struct {
FieldErrors map[string]string
}
func (v *Validator) Valid() bool {
return len(v.FieldErrors) == 0
}
func (v *Validator) AddFieldError(key, message string) {
if v.FieldErrors == nil {
v.FieldErrors = make(map[string]string)
}
if _, exist := v.FieldErrors[key]; !exist {
v.FieldErrors[key] = message
}
}
func (v *Validator) CheckField(ok bool, key, message string) {
if !ok {
v.AddFieldError(key, message)
}
}
func NotBlank(value string) bool {
return strings.TrimSpace(value) != ""
}
func MaxChars(value string, n int) bool {
return utf8.RuneCountInString(value) <= n
}
func PermittedInt(value int, permittedValues ...int) bool {
for i := range permittedValues {
if value == permittedValues[i] {
return true
}
}
return false
}
var EmailRX = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
func MinChars(value string, n int) bool {
return utf8.RuneCountInString(value) >= n
}
func Matches(value string, rx *regexp.Regexp) bool {
return rx.MatchString(value)
}