tdesktop/Telegram/SourceFiles/payments/ui/payments_edit_card.cpp

435 lines
12 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "payments/ui/payments_edit_card.h"
#include "payments/ui/payments_panel_delegate.h"
#include "payments/ui/payments_field.h"
#include "stripe/stripe_card_validator.h"
#include "ui/widgets/scroll_area.h"
#include "ui/widgets/buttons.h"
#include "ui/widgets/labels.h"
#include "ui/widgets/checkbox.h"
#include "ui/wrap/vertical_layout.h"
#include "ui/wrap/fade_wrap.h"
#include "lang/lang_keys.h"
#include "styles/style_payments.h"
#include "styles/style_passport.h"
#include <QtCore/QRegularExpression>
namespace Payments::Ui {
namespace {
struct SimpleFieldState {
QString value;
int position = 0;
};
[[nodiscard]] uint32 ExtractYear(const QString &value) {
return value.split('/').value(1).toInt() + 2000;
}
[[nodiscard]] uint32 ExtractMonth(const QString &value) {
return value.split('/').value(0).toInt();
}
[[nodiscard]] QString RemoveNonNumbers(QString value) {
return value.replace(QRegularExpression("[^0-9]"), QString());
}
[[nodiscard]] SimpleFieldState NumbersOnlyState(SimpleFieldState state) {
return {
.value = RemoveNonNumbers(state.value),
.position = int(RemoveNonNumbers(
state.value.mid(0, state.position)).size()),
};
}
[[nodiscard]] SimpleFieldState PostprocessCardValidateResult(
SimpleFieldState result) {
const auto groups = Stripe::CardNumberFormat(result.value);
auto position = 0;
for (const auto length : groups) {
position += length;
if (position >= result.value.size()) {
break;
}
result.value.insert(position, QChar(' '));
if (result.position >= position) {
++result.position;
}
++position;
}
return result;
}
[[nodiscard]] SimpleFieldState PostprocessExpireDateValidateResult(
SimpleFieldState result) {
if (result.value.isEmpty()) {
return result;
} else if (result.value[0] == '1'
&& (result.value.size() > 1)
&& result.value[1] > '2') {
result.value = result.value.mid(0, 2);
return result;
} else if (result.value[0] > '1') {
result.value = '0' + result.value;
++result.position;
}
if (result.value.size() > 1) {
if (result.value.size() > 4) {
result.value = result.value.mid(0, 4);
}
result.value.insert(2, '/');
if (result.position >= 2) {
++result.position;
}
}
return result;
}
[[nodiscard]] bool IsBackspace(const FieldValidateRequest &request) {
return (request.wasAnchor == request.wasPosition)
&& (request.wasPosition == request.nowPosition + 1)
&& (request.wasValue.mid(0, request.wasPosition - 1)
== request.nowValue.mid(0, request.nowPosition))
&& (request.wasValue.mid(request.wasPosition)
== request.nowValue.mid(request.nowPosition));
}
[[nodiscard]] bool IsDelete(const FieldValidateRequest &request) {
return (request.wasAnchor == request.wasPosition)
&& (request.wasPosition == request.nowPosition)
&& (request.wasValue.mid(0, request.wasPosition)
== request.nowValue.mid(0, request.nowPosition))
&& (request.wasValue.mid(request.wasPosition + 1)
== request.nowValue.mid(request.nowPosition));
}
template <
typename ValueValidator,
typename ValueValidateResult = decltype(
std::declval<ValueValidator>()(QString()))>
[[nodiscard]] auto ComplexNumberValidator(
ValueValidator valueValidator,
Fn<SimpleFieldState(SimpleFieldState)> postprocess) {
using namespace Stripe;
return [=](FieldValidateRequest request) {
const auto realNowState = [&] {
const auto backspaced = IsBackspace(request);
const auto deleted = IsDelete(request);
if (!backspaced && !deleted) {
return NumbersOnlyState({
.value = request.nowValue,
.position = request.nowPosition,
});
}
const auto realWasState = NumbersOnlyState({
.value = request.wasValue,
.position = request.wasPosition,
});
const auto changedValue = deleted
? (realWasState.value.mid(0, realWasState.position)
+ realWasState.value.mid(realWasState.position + 1))
: (realWasState.position > 1)
? (realWasState.value.mid(0, realWasState.position - 1)
+ realWasState.value.mid(realWasState.position))
: realWasState.value.mid(realWasState.position);
return SimpleFieldState{
.value = changedValue,
.position = (deleted
? realWasState.position
: std::max(realWasState.position - 1, 0))
};
}();
const auto result = valueValidator(realNowState.value);
const auto postprocessed = postprocess(realNowState);
return FieldValidateResult{
.value = postprocessed.value,
.position = postprocessed.position,
.invalid = (result.state == ValidationState::Invalid),
.finished = result.finished,
};
};
}
[[nodiscard]] auto CardNumberValidator() {
return ComplexNumberValidator(
Stripe::ValidateCard,
PostprocessCardValidateResult);
}
[[nodiscard]] auto ExpireDateValidator() {
return ComplexNumberValidator(
Stripe::ValidateExpireDate,
PostprocessExpireDateValidateResult);
}
[[nodiscard]] auto CvcValidator(Fn<QString()> number) {
using namespace Stripe;
return [=](FieldValidateRequest request) {
const auto realNowState = NumbersOnlyState({
.value = request.nowValue,
.position = request.nowPosition,
});
const auto result = ValidateCvc(number(), realNowState.value);
return FieldValidateResult{
.value = realNowState.value,
.position = realNowState.position,
.invalid = (result.state == ValidationState::Invalid),
.finished = result.finished,
};
};
}
[[nodiscard]] auto CardHolderNameValidator() {
return [=](FieldValidateRequest request) {
return FieldValidateResult{
.value = request.nowValue.toUpper(),
.position = request.nowPosition,
.invalid = request.nowValue.isEmpty(),
};
};
}
} // namespace
EditCard::EditCard(
QWidget *parent,
const NativeMethodDetails &native,
CardField field,
not_null<PanelDelegate*> delegate)
: _delegate(delegate)
, _native(native)
, _scroll(this, st::passportPanelScroll)
, _topShadow(this)
, _bottomShadow(this)
, _submit(
this,
tr::lng_about_done(),
st::paymentsPanelButton)
, _cancel(
this,
tr::lng_cancel(),
st::paymentsPanelButton) {
setupControls();
}
void EditCard::setFocus(CardField field) {
_focusField = field;
if (const auto control = lookupField(field)) {
_scroll->ensureWidgetVisible(control->widget());
control->setFocus();
}
}
void EditCard::setFocusFast(CardField field) {
_focusField = field;
if (const auto control = lookupField(field)) {
_scroll->ensureWidgetVisible(control->widget());
control->setFocusFast();
}
}
void EditCard::showError(CardField field) {
if (const auto control = lookupField(field)) {
_scroll->ensureWidgetVisible(control->widget());
control->showError();
}
}
void EditCard::setupControls() {
const auto inner = setupContent();
_submit->addClickHandler([=] {
_delegate->panelValidateCard(collect(), (_save && _save->checked()));
});
_cancel->addClickHandler([=] {
_delegate->panelCancelEdit();
});
using namespace rpl::mappers;
_topShadow->toggleOn(
_scroll->scrollTopValue() | rpl::map(_1 > 0));
_bottomShadow->toggleOn(rpl::combine(
_scroll->scrollTopValue(),
_scroll->heightValue(),
inner->heightValue(),
_1 + _2 < _3));
}
not_null<RpWidget*> EditCard::setupContent() {
const auto inner = _scroll->setOwnedWidget(
object_ptr<VerticalLayout>(this));
_scroll->widthValue(
) | rpl::start_with_next([=](int width) {
inner->resizeToWidth(width);
}, inner->lifetime());
const auto showBox = [=](object_ptr<BoxContent> box) {
_delegate->panelShowBox(std::move(box));
};
auto last = (Field*)nullptr;
const auto make = [&](QWidget *parent, FieldConfig &&config) {
auto result = std::make_unique<Field>(parent, std::move(config));
if (last) {
last->setNextField(result.get());
result->setPreviousField(last);
}
last = result.get();
return result;
};
const auto add = [&](FieldConfig &&config) {
auto result = make(inner, std::move(config));
inner->add(result->ownedWidget(), st::paymentsFieldPadding);
return result;
};
_number = add({
.type = FieldType::CardNumber,
.placeholder = tr::lng_payments_card_number(),
.validator = CardNumberValidator(),
});
auto container = inner->add(
object_ptr<FixedHeightWidget>(
inner,
_number->widget()->height()),
st::paymentsFieldPadding);
_expire = make(container, {
.type = FieldType::CardExpireDate,
.placeholder = tr::lng_payments_card_expire_date(),
.validator = ExpireDateValidator(),
});
_cvc = make(container, {
.type = FieldType::CardCVC,
.placeholder = tr::lng_payments_card_cvc(),
.validator = CvcValidator([=] { return _number->value(); }),
});
container->widthValue(
) | rpl::start_with_next([=](int width) {
const auto left = (width - st::paymentsExpireCvcSkip) / 2;
const auto right = width - st::paymentsExpireCvcSkip - left;
_expire->widget()->resizeToWidth(left);
_cvc->widget()->resizeToWidth(right);
_expire->widget()->moveToLeft(0, 0, width);
_cvc->widget()->moveToRight(0, 0, width);
}, container->lifetime());
if (_native.needCardholderName) {
_name = add({
.type = FieldType::Text,
.placeholder = tr::lng_payments_card_holder(),
.validator = CardHolderNameValidator(),
});
}
if (_native.needCountry || _native.needZip) {
inner->add(
object_ptr<Ui::FlatLabel>(
inner,
tr::lng_payments_billing_address(),
st::paymentsBillingInformationTitle),
st::paymentsBillingInformationTitlePadding);
}
if (_native.needCountry) {
_country = add({
.type = FieldType::Country,
.placeholder = tr::lng_payments_billing_country(),
.validator = RequiredFinishedValidator(),
.showBox = showBox,
.defaultCountry = _native.defaultCountry,
});
}
if (_native.needZip) {
_zip = add({
.type = FieldType::Text,
.placeholder = tr::lng_payments_billing_zip_code(),
.validator = RequiredValidator(),
});
if (_country) {
_country->finished(
) | rpl::start_with_next([=] {
_zip->setFocus();
}, lifetime());
}
}
if (_native.canSaveInformation) {
_save = inner->add(
object_ptr<Ui::Checkbox>(
inner,
tr::lng_payments_save_information(tr::now),
false),
st::paymentsSaveCheckboxPadding);
}
last->submitted(
) | rpl::start_with_next([=] {
_delegate->panelValidateCard(collect(), _save && _save->checked());
}, lifetime());
return inner;
}
void EditCard::resizeEvent(QResizeEvent *e) {
updateControlsGeometry();
}
void EditCard::focusInEvent(QFocusEvent *e) {
if (const auto control = lookupField(_focusField)) {
control->setFocusFast();
}
}
void EditCard::updateControlsGeometry() {
const auto &padding = st::paymentsPanelPadding;
const auto buttonsHeight = padding.top()
+ _cancel->height()
+ padding.bottom();
const auto buttonsTop = height() - buttonsHeight;
_scroll->setGeometry(0, 0, width(), buttonsTop);
_topShadow->resizeToWidth(width());
_topShadow->moveToLeft(0, 0);
_bottomShadow->resizeToWidth(width());
_bottomShadow->moveToLeft(0, buttonsTop - st::lineWidth);
auto right = padding.right();
_submit->moveToRight(right, buttonsTop + padding.top());
right += _submit->width() + padding.left();
_cancel->moveToRight(right, buttonsTop + padding.top());
_scroll->updateBars();
}
auto EditCard::lookupField(CardField field) const -> Field* {
switch (field) {
case CardField::Number: return _number.get();
case CardField::Cvc: return _cvc.get();
case CardField::ExpireDate: return _expire.get();
case CardField::Name: return _name.get();
case CardField::AddressCountry: return _country.get();
case CardField::AddressZip: return _zip.get();
}
Unexpected("Unknown field in EditCard::controlForField.");
}
UncheckedCardDetails EditCard::collect() const {
return {
.number = _number ? _number->value() : QString(),
.cvc = _cvc ? _cvc->value() : QString(),
.expireYear = _expire ? ExtractYear(_expire->value()) : 0,
.expireMonth = _expire ? ExtractMonth(_expire->value()) : 0,
.cardholderName = _name ? _name->value() : QString(),
.addressCountry = _country ? _country->value() : QString(),
.addressZip = _zip ? _zip->value() : QString(),
};
}
} // namespace Payments::Ui