Files
sendico/frontend/pshared/lib/provider/payment/quotation.dart
2025-12-12 13:45:58 +01:00

99 lines
3.5 KiB
Dart

import 'package:flutter/material.dart';
import 'package:pshared/models/asset.dart';
import 'package:uuid/uuid.dart';
import 'package:pshared/models/payment/currency_pair.dart';
import 'package:pshared/models/payment/fx/intent.dart';
import 'package:pshared/models/payment/fx/side.dart';
import 'package:pshared/models/payment/kind.dart';
import 'package:pshared/models/payment/methods/card.dart';
import 'package:pshared/models/payment/methods/managed_wallet.dart';
import 'package:pshared/models/payment/money.dart';
import 'package:pshared/models/payment/settlement_mode.dart';
import 'package:pshared/provider/payment/amount.dart';
import 'package:pshared/api/requests/payment/quote.dart';
import 'package:pshared/data/mapper/payment/intent/payment.dart';
import 'package:pshared/models/payment/intent.dart';
import 'package:pshared/models/payment/quote.dart';
import 'package:pshared/provider/organizations.dart';
import 'package:pshared/provider/resource.dart';
import 'package:pshared/service/payment/quotation.dart';
class QuotationProvider extends ChangeNotifier {
Resource<PaymentQuote> _quotation = Resource(data: null, isLoading: false, error: null);
late OrganizationsProvider _organizations;
bool _isLoaded = false;
void update(OrganizationsProvider venue, PaymentAmountProvider payment) {
_organizations = venue;
getQuotation(PaymentIntent(
kind: PaymentKind.payout,
amount: Money(
amount: payment.amount.toString(),
currency: 'USDT',
),
destination: CardPaymentMethod(
pan: '4000000000000077',
firstName: 'John',
lastName: 'Doe',
),
source: ManagedWalletPaymentMethod(
managedWalletRef: '',
),
fx: FxIntent(
pair: CurrencyPair(
base: 'USDT',
quote: 'RUB',
),
side: FxSide.sellBaseBuyQuote,
),
settlementMode: payment.payerCoversFee ? SettlementMode.fixReceived : SettlementMode.fixSource,
));
}
PaymentQuote? get quotation => _quotation.data;
bool get isReady => _isLoaded && !_quotation.isLoading && _quotation.error == null;
Asset? get fee => quotation == null ? null : createAsset(quotation!.expectedFeeTotal!.currency, quotation!.expectedFeeTotal!.amount);
Asset? get total => quotation == null ? null : createAsset(quotation!.debitAmount!.currency, quotation!.debitAmount!.amount);
Asset? get recipientGets => quotation == null ? null : createAsset(quotation!.expectedSettlementAmount!.currency, quotation!.expectedSettlementAmount!.amount);
void _setResource(Resource<PaymentQuote> quotation) {
_quotation = quotation;
notifyListeners();
}
Future<PaymentQuote?> getQuotation(PaymentIntent intent) async {
if (!_organizations.isOrganizationSet) throw StateError('Organization is not set');
try {
_quotation = _quotation.copyWith(isLoading: true, error: null);
final response = await QuotationService.getQuotation(
_organizations.current.id,
QuotePaymentRequest(
idempotencyKey: Uuid().v4(),
intent: intent.toDTO(),
),
);
_isLoaded = true;
_setResource(_quotation.copyWith(data: response, isLoading: false, error: null));
} catch (e) {
_setResource(_quotation.copyWith(
data: null,
error: e is Exception ? e : Exception(e.toString()),
isLoading: false,
));
}
notifyListeners();
return _quotation.data;
}
void reset() {
_setResource(Resource(data: null, isLoading: false, error: null));
_isLoaded = false;
notifyListeners();
}
}