68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
package validate
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import (
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"regexp"
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)
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var (
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// EmailRX matches the email-address format accepted by Gardomatic.
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EmailRX = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
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// ColorRX matches the hexadecimal RGB colors accepted for user colors.
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ColorRX = regexp.MustCompile(`^#[0-9a-fA-F]{6}$`)
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)
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// Validator collects validation failures keyed by input field.
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type Validator struct {
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Errors map[string]string
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NonFieldErrors []string
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FieldErrors map[string]string
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}
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// New returns an empty Validator.
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func New() *Validator {
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return &Validator{Errors: make(map[string]string)}
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}
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// Valid reports whether no validation errors have been recorded.
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func (v *Validator) Valid() bool {
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return len(v.Errors) == 0 && len(v.FieldErrors) == 0 && len(v.NonFieldErrors) == 0
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}
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// AddError records message for key unless key already has an error.
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func (v *Validator) AddError(key, message string) {
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if _, exists := v.Errors[key]; !exists {
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v.Errors[key] = message
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}
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}
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// Check records message for key when ok is false.
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func (v *Validator) Check(ok bool, key, message string) {
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if !ok {
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v.AddError(key, message)
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}
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}
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// AddNonFieldError records an error that is not associated with one field.
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func (v *Validator) AddNonFieldError(message string) {
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v.NonFieldErrors = append(v.NonFieldErrors, message)
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}
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// AddFieldError records a form-specific field error.
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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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// CheckField records a form-specific field error when ok is false.
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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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