106 lines
4.0 KiB
Dart
106 lines
4.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:uuid/uuid.dart';
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import 'package:pshared/api/requests/payment/quote.dart';
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import 'package:pshared/data/mapper/payment/intent/payment.dart';
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import 'package:pshared/models/asset.dart';
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import 'package:pshared/models/payment/currency_pair.dart';
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import 'package:pshared/models/payment/fx/intent.dart';
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import 'package:pshared/models/payment/fx/side.dart';
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import 'package:pshared/models/payment/kind.dart';
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import 'package:pshared/models/payment/methods/managed_wallet.dart';
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import 'package:pshared/models/payment/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/payment/quote.dart';
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import 'package:pshared/provider/organizations.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/payment/wallets.dart';
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import 'package:pshared/provider/resource.dart';
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import 'package:pshared/service/payment/quotation.dart';
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import 'package:pshared/utils/currency.dart';
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class QuotationProvider extends ChangeNotifier {
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Resource<PaymentQuote> _quotation = Resource(data: null, isLoading: false, error: null);
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late OrganizationsProvider _organizations;
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bool _isLoaded = false;
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void update(
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OrganizationsProvider venue,
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PaymentAmountProvider payment,
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WalletsProvider wallets,
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PaymentFlowProvider flow,
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) {
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_organizations = venue;
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final destination = flow.selectedPaymentData;
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if ((wallets.selectedWallet != null) && (destination != null)) {
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getQuotation(PaymentIntent(
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kind: PaymentKind.payout,
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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: currencyCodeToString(wallets.selectedWallet!.currency),
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),
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destination: destination,
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source: ManagedWalletPaymentMethod(
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managedWalletRef: wallets.selectedWallet!.id,
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),
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fx: FxIntent(
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pair: CurrencyPair(
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base: currencyCodeToString(wallets.selectedWallet!.currency),
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quote: 'RUB', // TODO: exentd target currencies
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),
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side: FxSide.sellBaseBuyQuote,
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),
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settlementMode: payment.payerCoversFee ? SettlementMode.fixReceived : SettlementMode.fixSource,
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));
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}
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}
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PaymentQuote? get quotation => _quotation.data;
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bool get isReady => _isLoaded && !_quotation.isLoading && _quotation.error == null;
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Asset? get fee => quotation == null ? null : createAsset(quotation!.expectedFeeTotal!.currency, quotation!.expectedFeeTotal!.amount);
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Asset? get total => quotation == null ? null : createAsset(quotation!.debitAmount!.currency, quotation!.debitAmount!.amount);
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Asset? get recipientGets => quotation == null ? null : createAsset(quotation!.expectedSettlementAmount!.currency, quotation!.expectedSettlementAmount!.amount);
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void _setResource(Resource<PaymentQuote> quotation) {
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_quotation = quotation;
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notifyListeners();
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}
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Future<PaymentQuote?> getQuotation(PaymentIntent intent) async {
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if (!_organizations.isOrganizationSet) throw StateError('Organization is not set');
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try {
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_quotation = _quotation.copyWith(isLoading: true, error: null);
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final response = await QuotationService.getQuotation(
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_organizations.current.id,
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QuotePaymentRequest(
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idempotencyKey: Uuid().v4(),
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intent: intent.toDTO(),
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),
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);
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_isLoaded = true;
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_setResource(_quotation.copyWith(data: response, isLoading: false, error: null));
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} catch (e) {
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_setResource(_quotation.copyWith(
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data: null,
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error: e is Exception ? e : Exception(e.toString()),
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isLoading: false,
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));
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}
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notifyListeners();
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return _quotation.data;
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}
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void reset() {
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_setResource(Resource(data: null, isLoading: false, error: null));
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_isLoaded = false;
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notifyListeners();
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}
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}
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