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enter_voucher.go
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enter_voucher.go
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package donor
import (
"net/http"
"github.com/ministryofjustice/opg-go-common/template"
"github.com/ministryofjustice/opg-modernising-lpa/internal/actor"
"github.com/ministryofjustice/opg-modernising-lpa/internal/page"
"github.com/ministryofjustice/opg-modernising-lpa/internal/validation"
)
type enterVoucherData struct {
App page.AppData
Errors validation.List
Form *enterVoucherForm
}
func EnterVoucher(tmpl template.Template, donorStore DonorStore) Handler {
return func(appData page.AppData, w http.ResponseWriter, r *http.Request, donor *actor.DonorProvidedDetails) error {
data := &enterVoucherData{
App: appData,
Form: &enterVoucherForm{
FirstNames: donor.Voucher.FirstNames,
LastName: donor.Voucher.LastName,
Email: donor.Voucher.Email,
},
}
if r.Method == http.MethodPost {
data.Form = readEnterVoucherForm(r)
data.Errors = data.Form.Validate()
if data.Errors.None() {
if donor.Voucher.FirstNames != data.Form.FirstNames || donor.Voucher.LastName != data.Form.LastName {
donor.Voucher.FirstNames = data.Form.FirstNames
donor.Voucher.LastName = data.Form.LastName
donor.Voucher.Allowed = len(donor.Voucher.Matches(donor)) == 0
}
donor.Voucher.Email = data.Form.Email
if err := donorStore.Put(r.Context(), donor); err != nil {
return err
}
if !donor.Voucher.Allowed {
return page.Paths.ConfirmPersonAllowedToVouch.Redirect(w, r, appData, donor)
}
return page.Paths.TaskList.Redirect(w, r, appData, donor)
}
}
return tmpl(w, data)
}
}
type enterVoucherForm struct {
FirstNames string
LastName string
Email string
}
func readEnterVoucherForm(r *http.Request) *enterVoucherForm {
return &enterVoucherForm{
FirstNames: page.PostFormString(r, "first-names"),
LastName: page.PostFormString(r, "last-name"),
Email: page.PostFormString(r, "email"),
}
}
func (f *enterVoucherForm) Validate() validation.List {
var errors validation.List
errors.String("first-names", "firstNames", f.FirstNames,
validation.Empty(),
validation.StringTooLong(53))
errors.String("last-name", "lastName", f.LastName,
validation.Empty(),
validation.StringTooLong(61))
errors.String("email", "email", f.Email,
validation.Empty(),
validation.Email())
return errors
}