budget mockup, account settings & transactions filter

lib/domains/transaction/transaction_bloc.dart

@@ -1,4 +1,3 @@
-
 import 'package:equatable/equatable.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:formz/formz.dart';
@@ -8,6 +7,7 @@ import 'package:tunas/domains/transaction/models/transaction_date.dart';
 import 'package:tunas/domains/transaction/models/transaction_description.dart';
 import 'package:tunas/domains/transaction/models/transaction_line.dart';
 import 'package:tunas/domains/transaction/models/transaction_value.dart';
+import 'package:tunas/repositories/metadata/models/category.dart';
 import 'package:tunas/repositories/transactions/models/transaction.dart';
 import 'package:tunas/repositories/transactions/transactions_repository.dart';
 import 'package:uuid/uuid.dart';
@@ -32,6 +32,7 @@ class TransactionBloc extends Bloc<TransactionEvent, TransactionState> {
     on<TransactionAdd>(_onTransactionAddDialog);
     on<TransactionSetCurrent>(_onTransactionSetCurrent);
     on<TransactionDeleteCurrent>(_onTransactionDeleteCurrent);
+    on<TransactionFilterCategory>(_onTransactionFilterCategory);
 
     _transactionsRepository
       .getTransactionsStream()
@@ -43,6 +44,7 @@ class TransactionBloc extends Bloc<TransactionEvent, TransactionState> {
     emit(state.copyWith(
       transactions: event.transactions,
       transactionsLines: computeResult.list,
+      transactionsLinesFiltered: _applyCategoryFilter(computeResult.list),
       globalTotal: computeResult.globalTotal,
       accountsTotals: computeResult.accountsTotals,
     ));
@@ -172,6 +174,7 @@ class TransactionBloc extends Bloc<TransactionEvent, TransactionState> {
         transactionValue: const TransactionValue.pure(),
         transactions: transactions,
         transactionsLines: computeResult.list,
+        transactionsLinesFiltered: _applyCategoryFilter(computeResult.list),
         globalTotal: computeResult.globalTotal,
         accountsTotals: computeResult.accountsTotals,
       ));
@@ -221,10 +224,33 @@ class TransactionBloc extends Bloc<TransactionEvent, TransactionState> {
         transactionValue: const TransactionValue.pure(),
         transactions: transactions,
         transactionsLines: computeResult.list,
+        transactionsLinesFiltered: _applyCategoryFilter(computeResult.list),
         globalTotal: computeResult.globalTotal,
         accountsTotals: computeResult.accountsTotals,
       ));
     }
   }
   
+
+  _onTransactionFilterCategory(TransactionFilterCategory event, Emitter<TransactionState> emit) {
+    List<TransactionLine> transactionsLinesFiltered = state.transactionsLines;
+    String? categoryLabel = event.category?.label;
+    if (categoryLabel != null) {
+      transactionsLinesFiltered = state.transactionsLines.where((transaction) => transaction.transaction.category == categoryLabel).toList();
+    }
+
+    emit(state.copyWith(
+      transactionsLinesFiltered: transactionsLinesFiltered,
+      categoryFilter: event.category,
+    ));
+  }
+
+  List<TransactionLine> _applyCategoryFilter(List<TransactionLine> transactionsLines) {
+    List<TransactionLine> transactionsLinesFiltered = transactionsLines;
+    String? categoryLabel = state.categoryFilter?.label;
+    if (categoryLabel != null) {
+      transactionsLinesFiltered = state.transactionsLines.where((transaction) => transaction.transaction.category == categoryLabel).toList();
+    }
+    return transactionsLinesFiltered;
+  }
 }

lib/domains/transaction/transaction_event.dart

@@ -71,4 +71,10 @@ final class TransactionSetCurrent extends TransactionEvent {
 
 final class TransactionDeleteCurrent extends TransactionEvent {
   const TransactionDeleteCurrent();
+}
+
+final class TransactionFilterCategory extends TransactionEvent {
+  final Category? category;
+
+  const TransactionFilterCategory(this.category);
 }

lib/domains/transaction/transaction_state.dart

@@ -6,6 +6,8 @@ final class TransactionState extends Equatable {
   
   final List<Transaction> transactions;
   final List<TransactionLine> transactionsLines;
+  final List<TransactionLine> transactionsLinesFiltered;
+  final Category? categoryFilter;
 
   final TransactionDate transactionDate;
   final TransactionCategory transactionCategory;
@@ -22,6 +24,7 @@ final class TransactionState extends Equatable {
     this.accountsTotals = const <String, double>{},
     this.transactions = const [],
     this.transactionsLines = const [],
+    this.transactionsLinesFiltered = const [],
     this.transactionDate = const TransactionDate.pure(),
     this.transactionCategory = const TransactionCategory.pure(),
     this.transactionDescription = const TransactionDescription.pure(),
@@ -29,7 +32,8 @@ final class TransactionState extends Equatable {
     this.transactionValue = const TransactionValue.pure(),
     this.isValid = false,
     this.showAddDialog = false,
-    this.currentTransaction
+    this.currentTransaction,
+    this.categoryFilter,
   });
 
   TransactionState copyWith({
@@ -37,6 +41,7 @@ final class TransactionState extends Equatable {
     Map<String, double>? accountsTotals,
     List<Transaction>? transactions,
     List<TransactionLine>? transactionsLines,
+    List<TransactionLine>? transactionsLinesFiltered,
     TransactionDate? transactionDate,
     TransactionCategory? transactionCategory,
     TransactionDescription? transactionDescription,
@@ -45,12 +50,14 @@ final class TransactionState extends Equatable {
     bool? isValid,
     bool? showAddDialog,
     Transaction? currentTransaction,
+    Category? categoryFilter,
   }) {
     return TransactionState(
       globalTotal: globalTotal ?? this.globalTotal,
       accountsTotals: accountsTotals ?? this.accountsTotals,
       transactions: transactions ?? this.transactions,
       transactionsLines: transactionsLines ?? this.transactionsLines,
+      transactionsLinesFiltered: transactionsLinesFiltered ?? this.transactionsLinesFiltered,
       transactionDate: transactionDate ?? this.transactionDate,
       transactionCategory: transactionCategory ?? this.transactionCategory,
       transactionDescription: transactionDescription ?? this.transactionDescription,
@@ -59,6 +66,7 @@ final class TransactionState extends Equatable {
       isValid: isValid ?? this.isValid,
       showAddDialog: showAddDialog ?? this.showAddDialog,
       currentTransaction: currentTransaction ?? this.currentTransaction,
+      categoryFilter: categoryFilter,
     );
   }
 
@@ -72,6 +80,7 @@ final class TransactionState extends Equatable {
     isValid,
     showAddDialog,
     currentTransaction,
+    categoryFilter,
   ];
   
 }