test base project

lib/database/login_info_storage.dart

@@ -0,0 +1,61 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:path_provider/path_provider.dart';
+
+class LoginInfoStorage {
+  Future<String> get _localPath async {
+    final directory = await getApplicationDocumentsDirectory();
+    return directory.path;
+  }
+
+  Future<File> get _userLoginDataFile async {
+    final path = await _localPath;
+    return File('$path/hadwin_user_login_info_storage.json');
+  }
+
+  Future<bool> setPersistentLoginData(String userId, String authToken) async {
+    try {
+      final file = await _userLoginDataFile;
+      var ss = file.writeAsString(
+          jsonEncode({'userId': userId, 'authToken': authToken}));
+
+      print('ssss is ..........');
+      print(ss);
+
+      //* THE USER_ID AND AUTHENTICATION_TOKEN HAS BEEN SAVED
+      return file
+          .writeAsString(jsonEncode({'userId': userId, 'authToken': authToken}))
+          .then((value) {
+        //* THE USER_ID HAS BEEN SAVED
+        return true;
+      });
+    } catch (e) {
+      //* THE USER_ID AND AUTHENTICATION_TOKEN COULD NOT BE SAVED
+      return false;
+    }
+  }
+
+  Future<Map<String, dynamic>> get getPersistentLoginData async {
+    try {
+      final file = await _userLoginDataFile;
+      final contents = await file.readAsString();
+      return jsonDecode(contents);
+    } catch (e) {
+      return {'userId': null, 'authToken': null};
+    }
+  }
+
+  Future<bool> deleteFile() async {
+    try {
+      final file = await _userLoginDataFile;
+
+      await file.delete();
+      //* THE LOGIN DATA FILE HAS BEEN DELETED
+      return true;
+    } catch (e) {
+      //* THE LOGIN DATA FILE HAS NOT BEEN DELETED
+      return false;
+    }
+  }
+}