complete budget page

lib/repositories/json/json_repository.dart

@@ -1,19 +1,31 @@
+import 'dart:async';
 import 'dart:convert';
 
-import 'package:tunas/clients/storage/storage_client.dart';
+import 'package:tunas/clients/storage/json_storage_client.dart';
 import 'package:tunas/repositories/json/models/json.dart';
 
 class JsonRepository {
   String accountFile = 'tunas_main_account.json';
 
-  final StorageClient _storageClient;
+  final JsonStorageClient _storageClient;
+
+  Map<String, Timer> saveTimerMap = {};
 
   JsonRepository({
     required storageClient,
   }) : _storageClient = storageClient;
 
-  saveJson(Json json) async {
-    await _storageClient.save(json.getJsonFileName(), jsonEncode(json.toJson()));
+  void saveJson(Json json) {
+    Timer? saveTimer = saveTimerMap[json.getJsonFileName()];
+
+    if (saveTimer != null) {
+      saveTimer.cancel();
+    }
+
+    saveTimer = Timer(const Duration(milliseconds: 500), () {
+      saveTimerMap.remove(json.getJsonFileName());
+      _storageClient.save(json.getJsonFileName(), jsonEncode(json.toJson()));
+    });
   }
 
   Future<T> loadJson<T extends Json>(Json json, JsonFactory<T> jsonFactory) async {

lib/repositories/metadata/metadata_repository.dart

@@ -45,37 +45,37 @@ class MetadataRepository {
     _broadcastMetadata(metadata);
   }
 
-  Future<List<Category>> saveCategories(List<Category> categories) async {
+  List<Category> saveCategories(List<Category> categories) {
     Metadata metadata = _constructMetadataFromControllers();
     metadata.categories = categories;
-    await _jsonRepository.saveJson(metadata);
+    _jsonRepository.saveJson(metadata);
     _categoriesController.add(categories);
     return categories;
   }
 
-  Future<List<Budget>> saveBudgets(List<Budget> budgets) async {
+  List<Budget> saveBudgets(List<Budget> budgets) {
     Metadata metadata = _constructMetadataFromControllers();
     metadata.budgets = budgets;
-    await _jsonRepository.saveJson(metadata);
+    _jsonRepository.saveJson(metadata);
     _budgetController.add(budgets);
     return budgets;
   }
 
-  Future<List<Account>> saveAccounts(List<Account> accounts) async {
+  List<Account> saveAccounts(List<Account> accounts) {
     Metadata metadata = _constructMetadataFromControllers();
     metadata.accounts = accounts;
-    await _jsonRepository.saveJson(metadata);
+    _jsonRepository.saveJson(metadata);
     _accountController.add(accounts);
     return accounts;
   }
 
-  deleteMetadata() async {
+  void deleteMetadata() {
     Metadata metadata = Metadata();
-    await _jsonRepository.saveJson(metadata);
+    _jsonRepository.saveJson(metadata);
     _broadcastMetadata(metadata);
   }
 
-  _broadcastMetadata(Metadata metadata) {
+  void _broadcastMetadata(Metadata metadata) {
     _categoriesController.add(metadata.categories);
     _budgetController.add(metadata.budgets);
     _accountController.add(metadata.accounts);

lib/repositories/transactions/transactions_repository.dart

@@ -20,20 +20,20 @@ class TransactionsRepository {
     return _transactionsController.asBroadcastStream();
   }
 
-  loadTransactions() async {
+  Future<void> loadTransactions() async {
     Transactions transactions = await _jsonRepository.loadJson(Transactions(), TransactionsFactory());
     _transactionsController.add(transactions.transactions);
   }
 
-  saveTransactions(List<Transaction> transactionsList) async {
+  void saveTransactions(List<Transaction> transactionsList) {
     Transactions transactions = Transactions(transactions: transactionsList);
-    await _jsonRepository.saveJson(transactions);
+    _jsonRepository.saveJson(transactions);
     _transactionsController.add(transactionsList);
   }
 
-  deleteTransactions() async {
+  void deleteTransactions() {
     Transactions transactions = Transactions();
-    await _jsonRepository.saveJson(transactions);
+    _jsonRepository.saveJson(transactions);
     _transactionsController.add([]);
   }
 }