64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
package forms
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import (
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"fmt"
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"net/http"
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"net/url"
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"strings"
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"github.com/asaskevich/govalidator"
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)
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// Form creates a custom form struct, embeds a url.Values object
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type Form struct {
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url.Values
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Errors errors
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}
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// New initializes a form struct
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func New(data url.Values) *Form {
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return &Form{
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data,
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errors(map[string][]string{}),
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}
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}
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// Required checks required fields
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func (f *Form) Required(fields ...string) {
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for _, field := range fields {
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value := f.Get(field)
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if strings.TrimSpace(value) == "" {
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f.Errors.Add(field, "This field cannot be blank")
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}
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}
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}
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// Has checks if form field is in post and not emtpy
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func (f *Form) Has(field string, r *http.Request) bool {
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x := r.Form.Get(field)
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return x != ""
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}
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// Valid returns true if there are no errors, otherwise false
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func (f *Form) Valid() bool {
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return len(f.Errors) == 0
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}
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// MinLength checks for string minimum length
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func (f *Form) MinLength(field string, length int, r *http.Request) bool {
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value := r.Form.Get(field)
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if len(value) < length {
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f.Errors.Add(field, fmt.Sprintf("This field must have at least %d letters", length))
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return false
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}
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return true
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}
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// IsEmail checks the email address
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func (f *Form) IsEmail(field string, r *http.Request) {
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value := r.Form.Get(field)
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if !govalidator.IsEmail(value) {
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f.Errors.Add(field, "Invalid email address")
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}
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}
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