+ quotation provider

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

@@ -0,0 +1,54 @@
+import 'package:flutter/material.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';
+import 'package:uuid/uuid.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) {
+    _organizations = venue;
+  }
+
+  PaymentQuote? get quotation => _quotation.data;
+
+  bool get isReady => _isLoaded && !_quotation.isLoading && _quotation.error == null;
+
+  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;
+      _quotation = _quotation.copyWith(data: response, isLoading: false);
+    } catch (e) {
+      _quotation = _quotation.copyWith(
+        error: e is Exception ? e : Exception(e.toString()),
+        isLoading: false,
+      );
+    }
+    notifyListeners();
+    return _quotation.data;
+  }
+
+  void reset() {
+    _quotation = Resource(data: null, isLoading: false, error: null);
+    _isLoaded = false;
+    notifyListeners();
+  }
+}