quotation provider now uses payment methods as source for quotation

frontend/pshared/lib/provider/account.dart

@@ -1,18 +1,18 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
-import 'package:pshared/models/auth/state.dart';
 
 import 'package:share_plus/share_plus.dart';
 
 import 'package:pshared/api/errors/unauthorized.dart';
 import 'package:pshared/api/requests/signup.dart';
 import 'package:pshared/api/requests/login_data.dart';
+import 'package:pshared/api/responses/confirmation.dart';
 import 'package:pshared/config/constants.dart';
 import 'package:pshared/models/account/account.dart';
-import 'package:pshared/api/responses/confirmation.dart';
 import 'package:pshared/models/auth/login_outcome.dart';
 import 'package:pshared/models/auth/pending_login.dart';
+import 'package:pshared/models/auth/state.dart';
 import 'package:pshared/models/describable.dart';
 import 'package:pshared/models/storable.dart';
 import 'package:pshared/provider/locale.dart';

frontend/pshared/lib/provider/payment/flow.dart

@@ -0,0 +1,110 @@
+import 'package:flutter/foundation.dart';
+
+import 'package:pshared/models/payment/methods/data.dart';
+import 'package:pshared/models/payment/type.dart';
+import 'package:pshared/models/recipient/recipient.dart';
+
+
+class PaymentFlowProvider extends ChangeNotifier {
+  PaymentType _selectedType;
+  PaymentMethodData? _manualPaymentData;
+
+  PaymentFlowProvider({
+    required PaymentType initialType,
+  }) : _selectedType = initialType;
+
+  PaymentType get selectedType => _selectedType;
+  PaymentMethodData? get manualPaymentData => _manualPaymentData;
+
+  void sync({
+    required Recipient? recipient,
+    required MethodMap availableTypes,
+    PaymentType? preferredType,
+  }) {
+    final resolvedType = _resolveSelectedType(
+      recipient: recipient,
+      availableTypes: availableTypes,
+      preferredType: preferredType,
+    );
+
+    var hasChanges = false;
+    if (resolvedType != _selectedType) {
+      _selectedType = resolvedType;
+      hasChanges = true;
+    }
+
+    if (recipient != null && _manualPaymentData != null) {
+      _manualPaymentData = null;
+      hasChanges = true;
+    }
+
+    if (hasChanges) notifyListeners();
+  }
+
+  void reset({
+    required Recipient? recipient,
+    required MethodMap availableTypes,
+    PaymentType? preferredType,
+  }) {
+    final resolvedType = _resolveSelectedType(
+      recipient: recipient,
+      availableTypes: availableTypes,
+      preferredType: preferredType,
+    );
+
+    var hasChanges = false;
+
+    if (resolvedType != _selectedType) {
+      _selectedType = resolvedType;
+      hasChanges = true;
+    }
+
+    if (_manualPaymentData != null) {
+      _manualPaymentData = null;
+      hasChanges = true;
+    }
+
+    if (hasChanges) notifyListeners();
+  }
+
+  void selectType(PaymentType type, {bool resetManualData = false}) {
+    if (_selectedType == type && (!resetManualData || _manualPaymentData == null)) {
+      return;
+    }
+
+    _selectedType = type;
+    if (resetManualData) {
+      _manualPaymentData = null;
+    }
+    notifyListeners();
+  }
+
+  void setManualPaymentData(PaymentMethodData? data) {
+    _manualPaymentData = data;
+    notifyListeners();
+  }
+
+  PaymentType _resolveSelectedType({
+    required Recipient? recipient,
+    required MethodMap availableTypes,
+    PaymentType? preferredType,
+  }) {
+    if (recipient == null) {
+      return preferredType ?? _selectedType;
+    }
+
+    if (availableTypes.isEmpty) {
+      return preferredType ?? PaymentType.bankAccount;
+    }
+
+    if (availableTypes.keys.contains(_selectedType)) {
+      return _selectedType;
+    }
+
+    if (preferredType != null && availableTypes.keys.contains(preferredType)) {
+      return preferredType;
+    }
+
+    return availableTypes.keys.first;
+  }
+}

frontend/pshared/lib/provider/payment/quotation.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
 
+import 'package:collection/collection.dart';
+
 import 'package:uuid/uuid.dart';
 
 import 'package:pshared/api/requests/payment/quote.dart';
@@ -9,7 +11,6 @@ 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';
@@ -17,7 +18,9 @@ import 'package:pshared/models/payment/intent.dart';
 import 'package:pshared/models/payment/quote.dart';
 import 'package:pshared/provider/organizations.dart';
 import 'package:pshared/provider/payment/amount.dart';
+import 'package:pshared/provider/payment/flow.dart';
 import 'package:pshared/provider/payment/wallets.dart';
+import 'package:pshared/provider/recipient/pmethods.dart';
 import 'package:pshared/provider/resource.dart';
 import 'package:pshared/service/payment/quotation.dart';
 import 'package:pshared/utils/currency.dart';
@@ -32,9 +35,13 @@ class QuotationProvider extends ChangeNotifier {
     OrganizationsProvider venue, 
     PaymentAmountProvider payment,
     WalletsProvider wallets,
+    PaymentFlowProvider flow,
+    PaymentMethodsProvider methods,
   ) {
     _organizations = venue;
-    if (wallets.selectedWallet != null) {
+    final t = flow.selectedType;
+    final method = methods.methods.firstWhereOrNull((m) => m.type == t);
+    if ((wallets.selectedWallet != null) && (method != null)) {
       getQuotation(PaymentIntent(
         kind: PaymentKind.payout,
         amount: Money(
@@ -42,18 +49,14 @@ class QuotationProvider extends ChangeNotifier {
           // TODO: adapt to possible other sources
           currency: currencyCodeToString(wallets.selectedWallet!.currency),
         ),
-        destination: CardPaymentMethod(
-          pan: '4000000000000077',
-          firstName: 'John',
-          lastName: 'Doe',
-        ),
+        destination: method.data,
         source: ManagedWalletPaymentMethod(
           managedWalletRef: wallets.selectedWallet!.id,
         ),
         fx: FxIntent(
           pair: CurrencyPair(
             base: currencyCodeToString(wallets.selectedWallet!.currency), 
-            quote: 'RUB',
+            quote: 'RUB', // TODO: exentd target currencies
           ),
           side: FxSide.sellBaseBuyQuote,
         ),