numerus/pkg/accounts.go

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package pkg
import (
"context"
"github.com/jackc/pgtype"
"github.com/julienschmidt/httprouter"
"html/template"
"net/http"
"time"
)
const (
ExpirationDateFormat = "01/06"
AccountTypeBank = "bank"
AccountTypeCard = "card"
AccountTypeCash = "cash"
AccountTypeOther = "other"
)
func servePaymentAccountIndex(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
conn := getConn(r)
company := mustGetCompany(r)
locale := getLocale(r)
page := NewPaymentAccountIndexPage(r.Context(), conn, company, locale)
page.MustRender(w, r)
}
type PaymentAccountIndexPage struct {
Accounts []*PaymentAccountEntry
}
func NewPaymentAccountIndexPage(ctx context.Context, conn *Conn, company *Company, locale *Locale) *PaymentAccountIndexPage {
return &PaymentAccountIndexPage{
Accounts: mustCollectPaymentAccountEntries(ctx, conn, company, locale),
}
}
func (page *PaymentAccountIndexPage) MustRender(w http.ResponseWriter, r *http.Request) {
mustRenderMainTemplate(w, r, "payments/accounts/index.gohtml", page)
}
type PaymentAccountEntry struct {
ID int
Slug string
Type string
TypeLabel string
Name string
IBAN string
LastFourDigits string
ExpirationDate string
}
func mustCollectPaymentAccountEntries(ctx context.Context, conn *Conn, company *Company, locale *Locale) []*PaymentAccountEntry {
rows := conn.MustQuery(ctx, `
select payment_account_id
, slug
, payment_account.payment_account_type
, coalesce(i18n.name, payment_account_type.name)
, payment_account.name
, coalesce(iban::text, '') as iban
, coalesce(last_four_digits, '') as last_four_digits
, expiration_date
from payment_account
left join payment_account_bank using (payment_account_id, payment_account_type)
left join payment_account_card using (payment_account_id, payment_account_type)
join payment_account_type using (payment_account_type)
left join payment_account_type_i18n as i18n on payment_account_type.payment_account_type = i18n.payment_account_type and i18n.lang_tag = $1
where company_id = $2
order by payment_account_id
`, locale.Language.String(), company.Id)
defer rows.Close()
var entries []*PaymentAccountEntry
for rows.Next() {
entry := &PaymentAccountEntry{}
var expirationDate pgtype.Date
if err := rows.Scan(&entry.ID, &entry.Slug, &entry.Type, &entry.TypeLabel, &entry.Name, &entry.IBAN, &entry.LastFourDigits, &expirationDate); err != nil {
panic(err)
}
if expirationDate.Status == pgtype.Present {
entry.ExpirationDate = expirationDate.Time.Format(ExpirationDateFormat)
}
entries = append(entries, entry)
}
if rows.Err() != nil {
panic(rows.Err())
}
return entries
}
func servePaymentAccountForm(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
locale := getLocale(r)
conn := getConn(r)
company := mustGetCompany(r)
form := newPaymentAccountForm(r.Context(), conn, locale, company)
slug := params[0].Value
if slug == "new" {
form.MustRender(w, r)
return
}
if !ValidUuid(slug) {
http.NotFound(w, r)
return
}
if !form.MustFillFromDatabase(r.Context(), conn, slug) {
http.NotFound(w, r)
return
}
form.MustRender(w, r)
}
type PaymentAccountForm struct {
locale *Locale
company *Company
Slug string
Type *RadioField
Name *InputField
IBAN *InputField
LastFourDigits *InputField
ExpirationMonthYear *InputField
}
func newPaymentAccountForm(ctx context.Context, conn *Conn, locale *Locale, company *Company) *PaymentAccountForm {
return &PaymentAccountForm{
locale: locale,
company: company,
Type: &RadioField{
Name: "payment_account_type",
Label: pgettext("input", "Type", locale),
Required: true,
Options: MustGetRadioOptions(ctx, conn, "select payment_account_type, i18n.name from payment_account_type join payment_account_type_i18n as i18n using (payment_account_type) where i18n.lang_tag = $1 order by payment_account_type", locale.Language.String()),
Attributes: []template.HTMLAttr{
`x-model="type"`,
},
},
Name: &InputField{
Name: "name",
Label: pgettext("input", "Name", locale),
Required: true,
Type: "text",
},
IBAN: &InputField{
Name: "iban",
Label: pgettext("input", "IBAN", locale),
Required: true,
Type: "text",
},
LastFourDigits: &InputField{
Name: "last_four_digits",
Label: pgettext("input", "Cards last four digits", locale),
Required: true,
Type: "text",
Attributes: []template.HTMLAttr{
`maxlength="4"`,
`minlength="4"`,
`pattern="[0-9]{4}"`,
},
},
ExpirationMonthYear: &InputField{
Name: "expiration_date",
Label: pgettext("input", "Expiration date", locale),
Required: true,
Type: "text",
Attributes: []template.HTMLAttr{
`maxlength="5"`,
`minlength="5"`,
`pattern="[0-9]{2}/[0-9]{2}"`,
},
},
}
}
func (f *PaymentAccountForm) MustRender(w http.ResponseWriter, r *http.Request) {
if f.Slug == "" {
mustRenderMainTemplate(w, r, "payments/accounts/new.gohtml", f)
} else {
mustRenderMainTemplate(w, r, "payments/accounts/edit.gohtml", f)
}
}
func (f *PaymentAccountForm) MustFillFromDatabase(ctx context.Context, conn *Conn, slug string) bool {
selectedType := f.Type.Selected
var expirationDate pgtype.Date
if notFoundErrorOrPanic(conn.QueryRow(ctx, `
select payment_account_type
, name
, coalesce(iban::text, '') as iban
, coalesce(last_four_digits, '') as last_four_digits
, expiration_date
from payment_account
left join payment_account_bank using (payment_account_id, payment_account_type)
left join payment_account_card using (payment_account_id, payment_account_type)
where slug = $1
`, slug).Scan(
f.Type,
f.Name,
f.IBAN,
f.LastFourDigits,
&expirationDate)) {
f.Type.Selected = selectedType
return false
}
f.Slug = slug
if expirationDate.Status == pgtype.Present {
f.ExpirationMonthYear.Val = expirationDate.Time.Format(ExpirationDateFormat)
} else {
f.ExpirationMonthYear.Val = ""
}
return true
}
func (f *PaymentAccountForm) Parse(r *http.Request) error {
if err := r.ParseForm(); err != nil {
return err
}
f.Type.FillValue(r)
f.Name.FillValue(r)
f.IBAN.FillValue(r)
f.LastFourDigits.FillValue(r)
f.ExpirationMonthYear.FillValue(r)
return nil
}
func (f *PaymentAccountForm) Validate(ctx context.Context, conn *Conn) bool {
validator := newFormValidator()
if validator.CheckValidRadioOption(f.Type, gettext("Selected payment account type is not valid.", f.locale)) {
switch f.Type.Selected {
case AccountTypeBank:
if validator.CheckRequiredInput(f.IBAN, gettext("IBAN can not be empty.", f.locale)) {
validator.CheckValidIBANInput(ctx, conn, f.IBAN, gettext("This value is not a valid IBAN.", f.locale))
}
case AccountTypeCard:
if validator.CheckRequiredInput(f.LastFourDigits, gettext("Last four digits can not be empty.", f.locale)) {
if validator.CheckInputLength(f.LastFourDigits, 4, gettext("You must enter the cards last four digits", f.locale)) {
validator.CheckValidInteger(f.LastFourDigits, 0, 9999, gettext("Last four digits must be a number.", f.locale))
}
}
if validator.CheckRequiredInput(f.ExpirationMonthYear, gettext("Expiration date can not be empty.", f.locale)) {
_, err := time.Parse(ExpirationDateFormat, f.ExpirationMonthYear.Val)
validator.checkInput(f.ExpirationMonthYear, err == nil, gettext("Expiration date should be a valid date in format MM/YY (e.g., 08/24).", f.locale))
}
}
}
validator.CheckRequiredInput(f.Name, gettext("Payment account name can not be empty.", f.locale))
return validator.AllOK()
}
func (f *PaymentAccountForm) ExpirationDate() (time.Time, error) {
date, err := time.Parse(ExpirationDateFormat, f.ExpirationMonthYear.Val)
if err != nil {
return date, err
}
return date.AddDate(0, 1, -1), nil
}
func handleAddPaymentAccount(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
locale := getLocale(r)
conn := getConn(r)
company := mustGetCompany(r)
form := newPaymentAccountForm(r.Context(), conn, locale, company)
if err := form.Parse(r); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if err := verifyCsrfTokenValid(r); err != nil {
http.Error(w, err.Error(), http.StatusForbidden)
return
}
if !form.Validate(r.Context(), conn) {
if !IsHTMxRequest(r) {
w.WriteHeader(http.StatusUnprocessableEntity)
}
form.MustRender(w, r)
return
}
switch form.Type.Selected {
case AccountTypeBank:
conn.MustExec(r.Context(), "select add_payment_account_bank($1, $2, $3)", company.Id, form.Name, form.IBAN)
case AccountTypeCard:
date, err := form.ExpirationDate()
if err != nil {
panic(err)
}
conn.MustExec(r.Context(), "select add_payment_account_card($1, $2, $3, $4)", company.Id, form.Name, form.LastFourDigits, date)
case AccountTypeCash:
conn.MustExec(r.Context(), "select add_payment_account_cash($1, $2)", company.Id, form.Name)
case AccountTypeOther:
conn.MustExec(r.Context(), "select add_payment_account_other($1, $2)", company.Id, form.Name)
}
htmxRedirect(w, r, companyURI(company, "/payment-accounts"))
}
func handleEditPaymentAccount(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
conn := getConn(r)
locale := getLocale(r)
company := mustGetCompany(r)
form := newPaymentAccountForm(r.Context(), conn, locale, company)
form.Slug = params[0].Value
if !ValidUuid(form.Slug) {
http.NotFound(w, r)
return
}
if err := form.Parse(r); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if err := verifyCsrfTokenValid(r); err != nil {
http.Error(w, err.Error(), http.StatusForbidden)
return
}
if !form.Validate(r.Context(), conn) {
if !IsHTMxRequest(r) {
w.WriteHeader(http.StatusUnprocessableEntity)
}
form.MustRender(w, r)
return
}
var found string
switch form.Type.Selected {
case AccountTypeBank:
found = conn.MustGetText(r.Context(), "", "select edit_payment_account_bank($1, $2, $3)", form.Slug, form.Name, form.IBAN)
case AccountTypeCard:
date, err := form.ExpirationDate()
if err != nil {
panic(err)
}
found = conn.MustGetText(r.Context(), "", "select edit_payment_account_card($1, $2, $3, $4)", form.Slug, form.Name, form.LastFourDigits, date)
case AccountTypeCash:
found = conn.MustGetText(r.Context(), "", "select edit_payment_account_cash($1, $2)", form.Slug, form.Name)
case AccountTypeOther:
found = conn.MustGetText(r.Context(), "", "select edit_payment_account_other($1, $2)", form.Slug, form.Name)
}
if found == "" {
http.NotFound(w, r)
return
}
htmxRedirect(w, r, companyURI(company, "/payment-accounts"))
}