2020-05-12 17:00:35 +00:00
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import 'package:comunic/models/application_preferences.dart';
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2019-11-01 08:59:05 +00:00
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import 'package:shared_preferences/shared_preferences.dart';
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/// Preferences helper
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///
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/// Stores current account tokens
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///
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/// @author Pierre HUBERT
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2020-05-13 16:17:50 +00:00
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enum PreferencesKeyList {
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LOGIN_TOKEN,
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ENABLE_DARK_THEME,
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FORCE_MOBILE_MODE,
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2020-05-13 16:26:21 +00:00
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SHOW_PERFORMANCE_OVERLAY,
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}
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2019-11-01 12:20:33 +00:00
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2019-11-01 12:48:40 +00:00
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const _PreferenceKeysName = {
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PreferencesKeyList.LOGIN_TOKEN: "login_token",
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PreferencesKeyList.ENABLE_DARK_THEME: "dark_theme",
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2020-05-13 16:17:50 +00:00
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PreferencesKeyList.FORCE_MOBILE_MODE: "force_mobile_mode",
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2020-05-13 16:26:21 +00:00
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PreferencesKeyList.SHOW_PERFORMANCE_OVERLAY: "perfs_overlay",
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};
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2019-11-01 12:20:33 +00:00
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2019-11-01 08:59:05 +00:00
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class PreferencesHelper {
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static PreferencesHelper _instance;
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static Future<PreferencesHelper> getInstance() async {
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if (_instance == null) {
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_instance = PreferencesHelper._();
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await _init();
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}
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return _instance;
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}
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static SharedPreferences _sharedPreferences;
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PreferencesHelper._();
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static Future<void> _init() async {
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_sharedPreferences = await SharedPreferences.getInstance();
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}
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/// Set new login tokens
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Future<void> setLoginToken(String token) async {
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if (token != null)
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await setString(PreferencesKeyList.LOGIN_TOKEN, token);
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else
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await removeKey(PreferencesKeyList.LOGIN_TOKEN);
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}
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/// Get current [LoginTokens]. Returns null if none or in case of failure
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String getLoginToken() {
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try {
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final string = getString(PreferencesKeyList.LOGIN_TOKEN);
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return string;
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} on Exception catch (e) {
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print(e.toString());
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return null;
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}
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}
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2019-11-01 12:20:33 +00:00
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2021-02-13 15:03:07 +00:00
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Future<bool> removeKey(PreferencesKeyList key) async {
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return await _sharedPreferences.remove(_PreferenceKeysName[key]);
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}
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2019-11-01 12:48:40 +00:00
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Future<bool> setString(PreferencesKeyList key, String value) async {
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return await _sharedPreferences.setString(_PreferenceKeysName[key], value);
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}
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String getString(PreferencesKeyList key) {
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return _sharedPreferences.getString(_PreferenceKeysName[key]);
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}
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Future<bool> setBool(PreferencesKeyList key, bool value) async {
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return await _sharedPreferences.setBool(_PreferenceKeysName[key], value);
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}
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bool getBool(PreferencesKeyList key, {bool alternative = false}) {
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final v = _sharedPreferences.getBool(_PreferenceKeysName[key]);
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return v == null ? alternative : v;
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}
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/// Get all settings as an [ApplicationPreferences] object
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ApplicationPreferences get preferences => ApplicationPreferences(
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enableDarkMode: getBool(PreferencesKeyList.ENABLE_DARK_THEME),
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forceMobileMode: getBool(PreferencesKeyList.FORCE_MOBILE_MODE),
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showPerformancesOverlay:
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getBool(PreferencesKeyList.SHOW_PERFORMANCE_OVERLAY));
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2020-05-12 17:27:23 +00:00
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/// Apply new preferences
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Future<void> setPreferences(ApplicationPreferences preferences) async {
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await setBool(
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PreferencesKeyList.ENABLE_DARK_THEME, preferences.enableDarkMode);
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}
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}
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2019-11-01 13:17:46 +00:00
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PreferencesHelper preferences() {
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if (PreferencesHelper._instance == null)
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throw Exception("Try to get preference before their initialization!");
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return PreferencesHelper._instance;
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}
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