TF-1068 implement data layer save recent login username & get all login username

lib/features/login/data/datasource_impl/login_username_datasource_impl.dart

@@ -0,0 +1,59 @@
+import 'package:tmail_ui_user/features/caching/recent_login_username_cache_client.dart';
+import 'package:tmail_ui_user/features/login/data/datasource/login_username_datasource.dart';
+import 'package:tmail_ui_user/features/login/data/model/recent_login_username_cache.dart';
+import 'package:tmail_ui_user/features/login/domain/extensions/list_recent_login_username_extension.dart';
+import 'package:tmail_ui_user/features/login/domain/model/recent_login_username.dart';
+
+class LoginUsernameDataSourceImpl implements LoginUsernameDataSource {
+  final RecentLoginUsernameCacheClient _recentLoginUsernameCacheClient;
+
+  LoginUsernameDataSourceImpl(this._recentLoginUsernameCacheClient);
+
+  @override
+  Future<List<RecentLoginUsername>> getAllRecentLoginUsernamesLatest({int? limit, String? pattern}) {
+    return Future.sync(() async {
+      final listRecentUsernameCache = await _recentLoginUsernameCacheClient.getAll();
+      final listValidRecentUsername = listRecentUsernameCache
+          .where((recentCache) => _filterRecentLoginUsernameCache(recentCache, pattern))
+          .map((recentCache) => recentCache.toRecentLoginUsername())
+          .toList();
+
+      listValidRecentUsername.sortByCreationDate();
+
+      final newLimit = limit ?? 5;
+
+      return listValidRecentUsername.length > newLimit
+          ? listValidRecentUsername.sublist(0, newLimit)
+          : listValidRecentUsername;
+    }).catchError((error) {
+      throw error;
+    });
+  }
+
+  @override
+  Future<void> saveLoginUsername(RecentLoginUsername recentLoginUsername) {
+    return Future.sync(() async {
+      if (await _recentLoginUsernameCacheClient
+          .isExistItem(recentLoginUsername.username)) {
+        await _recentLoginUsernameCacheClient.updateItem(recentLoginUsername.username,
+            recentLoginUsername.toRecentLoginUsernameCache());
+      } else {
+        await _recentLoginUsernameCacheClient.insertItem(recentLoginUsername.username,
+            recentLoginUsername.toRecentLoginUsernameCache());
+      }
+    }).catchError((error) {
+      throw error;
+    });
+  }
+
+  bool _filterRecentLoginUsernameCache(
+      RecentLoginUsernameCache recentLoginUsernameCache, 
+      String? pattern
+      ) {
+    if (pattern == null || pattern.trim().isEmpty) {
+      return true;
+    } else {
+      return recentLoginUsernameCache.matchUsername(pattern);
+    }
+  }
+}