Feature/tta/free products (#396)

* ReceiptsRepository now use v2 endpoint,

* User can purchase free products in the app, when such products occur in the database

lib/base/strings.dart

@@ -138,6 +138,7 @@ abstract class Strings {
   static const confirmSwipe = 'Confirm use of ticket';
   static const confirmPurchase = 'Confirm purchase';
   static const tapHereToCancel = 'Tap here to cancel';
+  static const String paymentConfirmationButtonRedeem = 'Get your free product';
 
   static String paymentConfirmationTopTickets(int amount, String title) {
     return "You're buying $amount $title tickets";
@@ -147,7 +148,7 @@ abstract class Strings {
     return "You're buying and swiping $amount $title";
   }
 
-  static String paymentConfirmationBottom(int price) {
+  static String paymentConfirmationBottomPurchase(int price) {
     return 'Pay $price,- with...';
   }
 

lib/cubits/purchase/purchase_cubit.dart

@@ -16,20 +16,21 @@ class PurchaseCubit extends Cubit<PurchaseState> {
   PurchaseCubit({required this.paymentHandler, required this.product})
       : super(const PurchaseInitial());
 
-  Future<void> payWithMobilePay() async {
+  Future<void> pay() async {
+    sl<FirebaseAnalyticsEventLogging>().beginCheckoutEvent(product);
+
     if (state is PurchaseInitial) {
-      sl<FirebaseAnalyticsEventLogging>().beginCheckoutEvent(product);
       emit(const PurchaseStarted());
 
       final either = await paymentHandler.initPurchase(product.id);
 
       either.fold(
         (error) => emit(PurchaseError(error.reason)),
-        (payment) async {
-          if (payment.status != PaymentStatus.error) {
+        (payment) {
+          if (payment.status == PaymentStatus.completed) {
+            emit(PurchaseCompleted(payment));
+          } else if (payment.status == PaymentStatus.awaitingPayment) {
             emit(PurchaseProcessing(payment));
-            await paymentHandler
-                .invokePaymentMethod(Uri.parse(payment.deeplink));
           } else {
             emit(PurchasePaymentRejected(payment));
           }

lib/cubits/receipt/receipt_cubit.dart

@@ -1,5 +1,5 @@
 import 'package:coffeecard/base/strings.dart';
-import 'package:coffeecard/data/repositories/v1/receipt_repository.dart';
+import 'package:coffeecard/data/repositories/v2/receipt_repository.dart';
 import 'package:coffeecard/models/receipts/receipt.dart';
 import 'package:equatable/equatable.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';

lib/data/repositories/v1/ticket_repository.dart

@@ -47,6 +47,6 @@ class TicketRepository {
       ),
     );
 
-    return result.map(Receipt.fromTicketDTO);
+    return result.map(Receipt.fromTicketDto);
   }
 }

lib/data/repositories/v2/receipt_repository.dart

@@ -0,0 +1,50 @@
+import 'package:coffeecard/core/errors/failures.dart';
+import 'package:coffeecard/core/network/network_request_executor.dart';
+import 'package:coffeecard/data/repositories/v1/product_repository.dart';
+import 'package:coffeecard/generated/api/coffeecard_api_v2.swagger.dart';
+import 'package:coffeecard/models/receipts/receipt.dart';
+import 'package:dartz/dartz.dart';
+
+class ReceiptRepository {
+  ReceiptRepository({
+    required this.productRepository,
+    required this.apiV2,
+    required this.executor,
+  });
+
+  final CoffeecardApiV2 apiV2;
+  final ProductRepository productRepository;
+  final NetworkRequestExecutor executor;
+
+  /// Retrieves all of the users receipts
+  /// This includes both their used tickets and purchased tickets
+  Future<Either<Failure, List<Receipt>>> getUserReceipts() async {
+    final usedTicketsFutureEither = executor(
+      () => apiV2.apiV2TicketsGet(includeUsed: true),
+    );
+    final purchasedTicketsFutureEither = executor(
+      apiV2.apiV2PurchasesGet,
+    );
+
+    final usedTicketsEither = (await usedTicketsFutureEither)
+        .map((dto) => dto.map(Receipt.fromTicketResponse));
+    final purchasedTicketsEither = (await purchasedTicketsFutureEither).map(
+      (r) => r.map(
+        (purchase) => Receipt.fromSimplePurchaseResponse(
+          purchase,
+        ),
+      ),
+    );
+
+    return usedTicketsEither.fold(
+      (l) => Left(l),
+      (usedTickets) => purchasedTicketsEither.map(
+        (purchasedTickets) {
+          final allTickets = [...usedTickets, ...purchasedTickets];
+          allTickets.sort((a, b) => b.timeUsed.compareTo(a.timeUsed));
+          return allTickets;
+        },
+      ),
+    );
+  }
+}

lib/models/purchase/payment.dart

@@ -2,7 +2,6 @@ import 'package:coffeecard/models/purchase/payment_status.dart';
 
 class Payment {
   final int id;
-  final String paymentId;
   final PaymentStatus status;
   final String deeplink;
   final int price;
@@ -14,7 +13,6 @@ class Payment {
     required this.id,
     required this.price,
     required this.purchaseTime,
-    required this.paymentId,
     required this.status,
     required this.deeplink,
     required this.productId,
@@ -33,7 +31,6 @@ class Payment {
   }) {
     return Payment(
       id: id ?? this.id,
-      paymentId: paymentId ?? this.paymentId,
       status: status ?? this.status,
       deeplink: deeplink ?? this.deeplink,
       price: price ?? this.price,

lib/models/purchase/payment_status.dart

@@ -1,3 +1,5 @@
+import 'package:coffeecard/generated/api/coffeecard_api_v2.enums.swagger.dart';
+
 enum PaymentStatus {
   /// Payment is completed
   completed,
@@ -8,11 +10,27 @@ enum PaymentStatus {
   /// Payment is not yet complete
   reserved,
 
-  // User has not approved the purchase
+  /// User has not approved the purchase
   awaitingPayment,
 
-  // User has rejected payment
+  /// User has rejected payment
   rejectedPayment,
 
-  awaitingCompletionAfterRetry,
+  /// Payment has been refunded
+  refunded;
+
+  static PaymentStatus fromPurchaseStatus(PurchaseStatus status) {
+    switch (status) {
+      case PurchaseStatus.swaggerGeneratedUnknown:
+        return PaymentStatus.error;
+      case PurchaseStatus.completed:
+        return PaymentStatus.completed;
+      case PurchaseStatus.cancelled:
+        return PaymentStatus.rejectedPayment;
+      case PurchaseStatus.pendingpayment:
+        return PaymentStatus.awaitingPayment;
+      case PurchaseStatus.refunded:
+        return PaymentStatus.refunded;
+    }
+  }
 }

lib/models/purchase/single_purchase.dart

@@ -1,24 +1,27 @@
 import 'package:coffeecard/generated/api/coffeecard_api_v2.swagger.dart';
+import 'package:coffeecard/models/purchase/payment_status.dart';
 
 class SinglePurchase {
   final int id;
   final int totalAmount;
   final Map<String, dynamic> paymentDetails;
-  final String purchaseStatus;
+  final PaymentStatus status;
   final DateTime dateCreated;
 
   const SinglePurchase({
     required this.id,
     required this.totalAmount,
     required this.paymentDetails,
-    required this.purchaseStatus,
+    required this.status,
     required this.dateCreated,
   });
 
   SinglePurchase.fromDto(SinglePurchaseResponse dto)
       : id = dto.id,
         totalAmount = dto.totalAmount,
         paymentDetails = dto.paymentDetails as Map<String, dynamic>,
-        purchaseStatus = dto.purchaseStatus as String,
+        status = PaymentStatus.fromPurchaseStatus(
+          purchaseStatusFromJson(dto.purchaseStatus),
+        ),
         dateCreated = dto.dateCreated;
 }

lib/models/receipts/receipt.dart

@@ -1,4 +1,5 @@
 import 'package:coffeecard/generated/api/coffeecard_api.swagger.dart';
+import 'package:coffeecard/generated/api/coffeecard_api_v2.models.swagger.dart';
 
 enum TransactionType { purchase, ticketSwipe, placeholder }
 
@@ -21,7 +22,7 @@ class Receipt {
   });
 
   /// Creates a receipt from a used ticket DTO
-  Receipt.fromTicketDTO(TicketDto dto)
+  Receipt.fromTicketDto(TicketDto dto)
       : productName = dto.productName,
         transactionType = TransactionType.ticketSwipe,
         timeUsed = dto
@@ -30,12 +31,23 @@ class Receipt {
         amountPurchased = 1,
         id = dto.id;
 
-  /// Creates a receipt from a purchase DTO
-  Receipt.fromPurchaseDTO(PurchaseDto dto)
+  /// Creates a receipt from a used ticket DTO
+  Receipt.fromTicketResponse(TicketResponse dto)
       : productName = dto.productName,
+        transactionType = TransactionType.ticketSwipe,
+        timeUsed = dto
+            .dateUsed!, // will not be null as the dto is a ticket that has been used at some point
+        price = 1,
+        amountPurchased = 1,
+        id = dto.id;
+
+  /// Creates a receipt from a purchase DTO
+  Receipt.fromSimplePurchaseResponse(
+    SimplePurchaseResponse dto,
+  )   : productName = dto.productName,
         transactionType = TransactionType.purchase,
         timeUsed = dto.dateCreated,
-        price = dto.price,
+        price = dto.totalAmount,
         amountPurchased = dto.numberOfTickets,
         id = dto.id;
 }

lib/payment/free_product_service.dart

@@ -0,0 +1,36 @@
+import 'package:coffeecard/core/errors/failures.dart';
+import 'package:coffeecard/generated/api/coffeecard_api_v2.enums.swagger.dart';
+import 'package:coffeecard/models/purchase/payment.dart';
+import 'package:coffeecard/models/purchase/payment_status.dart';
+import 'package:coffeecard/payment/payment_handler.dart';
+import 'package:dartz/dartz.dart';
+
+class FreeProductService extends PaymentHandler {
+  const FreeProductService({
+    required super.purchaseRepository,
+    required super.context,
+  });
+
+  @override
+  Future<Either<Failure, Payment>> initPurchase(int productId) async {
+    final response = await purchaseRepository.initiatePurchase(
+      productId,
+      PaymentType.freepurchase,
+    );
+
+    return response.fold(
+      (error) => Left(error),
+      (purchase) => Right(
+        Payment(
+          id: purchase.id,
+          status: PaymentStatus.completed,
+          deeplink: '',
+          purchaseTime: purchase.dateCreated,
+          price: purchase.totalAmount,
+          productId: purchase.productId,
+          productName: purchase.productName,
+        ),
+      ),
+    );
+  }
+}