Feature/transaction details domain data

lib/data/repository/transaction_repository_stub.dart

@@ -1,10 +1,17 @@
+import 'package:moneyplus/data/repository/utils/fake_data.dart';
+import 'package:moneyplus/data/service/supabase_service.dart';
 import 'package:moneyplus/domain/entity/transaction.dart';
 import 'package:moneyplus/domain/entity/transaction_category.dart';
 import 'package:moneyplus/domain/entity/transaction_type.dart';
 import 'package:moneyplus/domain/repository/model/top_spending_category.dart';
 import 'package:moneyplus/domain/repository/transaction_repository.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
 
 class TransactionRepositoryStub implements TransactionRepository {
+  final SupabaseService service;
+
+  TransactionRepositoryStub(this.service);
+
   @override
   Future<bool> addTransaction({
     required double amount,
@@ -30,8 +37,17 @@ class TransactionRepositoryStub implements TransactionRepository {
   }
 
   @override
-  Future<bool> deleteTransaction(int id) async {
-    throw UnimplementedError('deleteTransaction not implemented');
+  Future<void> deleteTransaction(String id) async {
+    final client = await service.getClient();
+
+    final response = await client.rpc(
+      'delete_transaction',
+      params: {'p_id': id},
+    );
+    print("respinse of deleting is : $response");
+    if(response == null || response['id'] == null){
+      throw Exception("cannot delete transaction with id: $id ");
+    }
   }
 
   @override
@@ -44,8 +60,63 @@ class TransactionRepositoryStub implements TransactionRepository {
   }
 
   @override
-  Future<Transaction> getTransactionDetails(int id) async {
-    throw UnimplementedError('getTransactionDetails not implemented');
+  Future<Transaction> getTransactionDetails(String id) async {
+    final client = await service.getClient();
+    final response = await client.rpc(
+      'get_transaction_details',
+      params: {'p_id': id},
+    );
+    final data = response as Map<String, dynamic>;
+    if (data.isEmpty) {
+      throw Exception("no transaction with that id: $id");
+    }
+    final transactionType = ((data['transaction_type'] as int) == 1)
+        ? TransactionType.income
+        : TransactionType.expense;
+    return Transaction(
+      id: 0,
+      amount: (data['amount'] as num).toDouble(),
+      currency: await _getCurrencyAbbreviation(data['currency_id'] as int),
+      type: transactionType,
+      date: DateTime.parse(data['created_at']).toLocal(),
+      category: TransactionCategory(
+        id: data['category_id'] as int,
+        name: await _getCategoryName((data['category_id'] as int).toString()),
+      ),
+      note: data['note'] as String,
+    );
+  }
+
+  Future<String> _getCurrencyAbbreviation(int currencyId) async {
+    final client = await service.getClient();
+
+    final response = await client
+        .from('currencies')
+        .select('abbreviation')
+        .eq('id', currencyId)
+        .maybeSingle();
+
+    if (response == null) {
+      throw Exception("No currency found with id: $currencyId");
+    }
+
+    return response['abbreviation'] as String;
+  }
+
+  Future<String> _getCategoryName(String categoryId) async {
+    final client = await service.getClient();
+
+    final response = await client
+        .from('categories')
+        .select('name')
+        .eq('id', categoryId)
+        .maybeSingle();
+
+    if (response == null) {
+      throw Exception("No category found with id: $categoryId");
+    }
+
+    return response['name'] as String;
   }
 
   @override

lib/data/repository/utils/fake_data.dart

@@ -1,4 +1,6 @@
+import '../../../domain/entity/transaction.dart';
 import '../../../domain/entity/transaction_category.dart';
+import '../../../domain/entity/transaction_type.dart';
 import '../../../domain/repository/model/top_spending_category.dart';
 
 List<TopSpendingCategory> getFakeTopSpendingCategories() {
@@ -25,4 +27,30 @@ List<TopSpendingCategory> getFakeTopSpendingCategories() {
       percentage: 10.0,
     ),
   ];
-}
+}
+
+final fakeTransactionExpense = Transaction(
+  id: 1,
+  amount: 128.50,
+  currency: "USD",
+  type: TransactionType.expense,
+  date: DateTime.now(),
+  category: TransactionCategory(
+    id: 101,
+    name: "Food & Drinks",
+  ),
+  note: "Lunch at café",
+);
+
+final fakeTransactionIncome = Transaction(
+  id: 2,
+  amount: 500.00,
+  currency: "USD",
+  type: TransactionType.income,
+  date: DateTime.now(),
+  category: TransactionCategory(
+    id: 201,
+    name: "Salary",
+  ),
+  note: "Monthly paycheck",
+);

lib/di/injection.dart

@@ -2,6 +2,7 @@ import 'package:get_it/get_it.dart';
 import 'package:moneyplus/domain/repository/transaction_repository.dart';
 import 'package:moneyplus/presentation/account_setup/cubit/account_setup_cubit.dart';
 import 'package:moneyplus/presentation/transactions/cubit/transaction_cubit.dart';
+import 'package:moneyplus/presentation/trasnaction_details/trasnaction_details_cubit.dart';
 
 import '../data/repository/account_repository.dart';
 import '../data/repository/authentication_repository.dart';
@@ -56,7 +57,7 @@ void initDI() {
   );
 
   getIt.registerLazySingleton<TransactionRepository>(
-    () => TransactionRepositoryStub(),
+    () => TransactionRepositoryStub(getIt<SupabaseService>()),
   );
 
   getIt.registerLazySingleton<AccountSetupCubit>(() => AccountSetupCubit(getIt<AccountRepository>()));
@@ -69,4 +70,8 @@ void initDI() {
     () =>
         TransactionCubit(transactionRepository: getIt<TransactionRepository>()),
   );
+
+  getIt.registerFactory<TransactionDetailsCubit>(
+      () => TransactionDetailsCubit(transactionRepository: getIt<TransactionRepository>())
+  );
 }

lib/domain/repository/transaction_repository.dart

@@ -21,15 +21,15 @@ abstract class TransactionRepository {
     String? note,
   });
 
-  Future<bool> deleteTransaction(int id);
+  Future<void> deleteTransaction(String id);
 
   Future<List<Transaction>> getTransactions({
     TransactionType? type,
     TransactionCategory? category,
     DateTime? date,
   });
 
-  Future<Transaction> getTransactionDetails(int id);
+  Future<Transaction> getTransactionDetails(String id);
 
   Future<double> getTotalAmount({TransactionType? type});
 

lib/presentation/navigation/routes.dart

@@ -7,6 +7,7 @@ import 'package:moneyplus/presentation/login/screen/login_screen.dart';
 
 import '../../di/injection.dart';
 import '../login/cubit/login_cubit.dart';
+import '../trasnaction_details/transaction_details_screen.dart';
 
 part 'routes.g.dart';
 
@@ -55,3 +56,15 @@ class HomeRoute extends GoRouteData with $HomeRoute {
     return HomeScreen();
   }
 }
+
+@TypedGoRoute<TransactionDetailsRoute>(path: '/transaction_details')
+@immutable
+class TransactionDetailsRoute extends GoRouteData with $TransactionDetailsRoute {
+  final String transactionId;
+  TransactionDetailsRoute(this.transactionId);
+
+  @override
+  Widget build(BuildContext context, GoRouterState state) {
+    return TransactionDetailsScreen(transactionId: transactionId);
+  }
+}