138 lines
5.0 KiB
Dart
138 lines
5.0 KiB
Dart
import 'package:pshared/controllers/balance_mask/wallets.dart';
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import 'package:pshared/models/payment/asset.dart';
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import 'package:pshared/models/payment/chain_network.dart';
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import 'package:pshared/models/payment/customer.dart';
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import 'package:pshared/models/payment/kind.dart';
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import 'package:pshared/models/payment/methods/card.dart';
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import 'package:pshared/models/payment/methods/crypto_address.dart';
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import 'package:pshared/models/payment/methods/data.dart';
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import 'package:pshared/models/payment/methods/iban.dart';
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import 'package:pshared/models/payment/methods/managed_wallet.dart';
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import 'package:pshared/models/payment/methods/russian_bank.dart';
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import 'package:pshared/models/payment/methods/type.dart';
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import 'package:pshared/models/money.dart';
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import 'package:pshared/models/payment/settlement_mode.dart';
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import 'package:pshared/models/payment/intent.dart';
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import 'package:pshared/models/recipient/recipient.dart';
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import 'package:pshared/provider/payment/amount.dart';
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import 'package:pshared/provider/payment/flow.dart';
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import 'package:pshared/provider/recipient/provider.dart';
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import 'package:pshared/utils/currency.dart';
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import 'package:pshared/utils/payment/fx_helpers.dart';
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class QuotationIntentBuilder {
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PaymentIntent? build({
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required PaymentAmountProvider payment,
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required WalletsController wallets,
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required PaymentFlowProvider flow,
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required RecipientsProvider recipients,
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}) {
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final selectedWallet = wallets.selectedWallet;
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final paymentData = flow.selectedPaymentData;
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final selectedMethod = flow.selectedMethod;
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if (selectedWallet == null || paymentData == null) return null;
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final customer = _buildCustomer(
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recipient: recipients.currentObject,
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method: selectedMethod,
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data: paymentData,
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);
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final sourceCurrency = currencyCodeToString(selectedWallet.currency);
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final amount = Money(
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amount: payment.amount.toString(),
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// TODO: adapt to possible other sources
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currency: sourceCurrency,
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);
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final isCryptoToCrypto = paymentData is CryptoAddressPaymentMethod &&
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(paymentData.asset?.tokenSymbol ?? '').trim().toUpperCase() == amount.currency;
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final fxIntent = FxIntentHelper.buildSellBaseBuyQuote(
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baseCurrency: sourceCurrency,
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quoteCurrency: 'RUB', // TODO: exentd target currencies
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enabled: !isCryptoToCrypto,
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);
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return PaymentIntent(
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kind: PaymentKind.payout,
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amount: amount,
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destination: paymentData,
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source: ManagedWalletPaymentMethod(
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managedWalletRef: selectedWallet.id,
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asset: PaymentAsset(
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tokenSymbol: selectedWallet.tokenSymbol ?? '',
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chain: selectedWallet.network ?? ChainNetwork.unspecified,
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)
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),
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fx: fxIntent,
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settlementMode: payment.payerCoversFee ? SettlementMode.fixReceived : SettlementMode.fixSource,
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settlementCurrency: FxIntentHelper.resolveSettlementCurrency(
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amount: amount,
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fx: fxIntent,
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),
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customer: customer,
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);
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}
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Customer? _buildCustomer({
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required Recipient? recipient,
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required PaymentMethod? method,
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required PaymentMethodData? data,
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}) {
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final id = recipient?.id ?? method?.recipientRef;
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if (id == null || id.isEmpty) return null;
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final name = _resolveCustomerName(
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method: method,
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data: data,
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recipient: recipient,
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);
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final parts = name == null || name.trim().isEmpty
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? const <String>[]
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: name.trim().split(RegExp(r'\s+'));
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final firstName = parts.isNotEmpty ? parts.first : null;
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final lastName = parts.length >= 2 ? parts.last : null;
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final middleName =
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parts.length > 2 ? parts.sublist(1, parts.length - 1).join(' ') : null;
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return Customer(
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id: id,
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firstName: firstName,
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middleName: middleName,
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lastName: lastName,
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country: _resolveCustomerCountry(method: method, data: data),
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);
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}
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String? _resolveCustomerName({
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required PaymentMethod? method,
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required PaymentMethodData? data,
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required Recipient? recipient,
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}) {
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final card = method?.cardData ?? (data is CardPaymentMethod ? data : null);
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if (card != null) {
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final fullName = '${card.firstName} ${card.lastName}'.trim();
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if (fullName.isNotEmpty) return fullName;
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}
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final iban = method?.ibanData ?? (data is IbanPaymentMethod ? data : null);
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if (iban != null && iban.accountHolder.trim().isNotEmpty) {
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return iban.accountHolder.trim();
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}
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final bank = method?.bankAccountData ?? (data is RussianBankAccountPaymentMethod ? data : null);
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if (bank != null && bank.recipientName.trim().isNotEmpty) {
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return bank.recipientName.trim();
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}
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final recipientName = recipient?.name.trim();
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return recipientName?.isNotEmpty == true ? recipientName : null;
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}
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String? _resolveCustomerCountry({
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required PaymentMethod? method,
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required PaymentMethodData? data,
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}) {
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final card = method?.cardData ?? (data is CardPaymentMethod ? data : null);
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return card?.country;
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}
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}
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