clean up

lib/pages/main/model/language_model.dart

@@ -0,0 +1,45 @@
+import 'package:fcs/localization/transalation.dart';
+import 'package:fcs/helpers/shared_pref.dart';
+import 'package:flutter/painting.dart';
+
+import 'base_model.dart';
+
+class LanguageModel extends BaseModel {
+  String language;
+  bool get isEng => this.language == "English";
+  List<bool> get currentState => isEng ? [true, false] : [false, true];
+
+  static final List<String> languageCodesList =
+      Translation().supportedLanguagesCodes;
+  static final List<String> languagesList = Translation().supportedLanguages;
+
+  final Map<dynamic, dynamic> languagesMap = {
+    languagesList[0]: languageCodesList[0],
+    languagesList[1]: languageCodesList[1],
+  };
+  LanguageModel() {
+    load();
+  }
+  @override
+  logout() async {}
+
+  Future<String> load() async {
+    var data = await SharedPref.getLang();
+    String result = languagesList[1]; // defalut to english
+    if (data != null) {
+      result = data;
+    }
+    this.language = result;
+    Translation().onLocaleChanged(Locale(languagesMap[this.language]));
+    notifyListeners();
+    return result;
+  }
+
+  void saveLanguage(String language) async {
+    Translation().onLocaleChanged(Locale(languagesMap[language]));
+
+    SharedPref.saveLang(language);
+    this.language = language;
+    notifyListeners();
+  }
+}