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