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112 lines
3.2 KiB
Dart
112 lines
3.2 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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import 'package:mohem_flutter_app/app_state/app_state.dart';
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import 'package:mohem_flutter_app/config/routes.dart';
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// import 'package:fluttertoast/fluttertoast.dart';
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import 'package:mohem_flutter_app/exceptions/api_exception.dart';
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import 'package:mohem_flutter_app/widgets/dialogs/confirm_dialog.dart';
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import 'package:mohem_flutter_app/widgets/loading_dialog.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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class Utils {
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static bool _isLoadingVisible = false;
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static bool get isLoading => _isLoadingVisible;
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static void showToast(String message) {
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Fluttertoast.showToast(
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msg: message, toastLength: Toast.LENGTH_SHORT, gravity: ToastGravity.BOTTOM, timeInSecForIosWeb: 1, backgroundColor: Colors.black54, textColor: Colors.white, fontSize: 16.0);
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}
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static dynamic getNotNullValue(List<dynamic> list, int index) {
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try {
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return list[index];
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} catch (ex) {
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return null;
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}
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}
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static int stringToHex(String colorCode) {
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try {
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return int.parse(colorCode.replaceAll("#", "0xff"));
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} catch (ex) {
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return (0xff000000);
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}
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}
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static void showLoading(BuildContext context) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_isLoadingVisible = true;
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showDialog(
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context: context,
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barrierColor: Colors.black.withOpacity(0.5),
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builder: (BuildContext context) => LoadingDialog(),
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).then((value) {
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_isLoadingVisible = false;
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});
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});
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}
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static Future delay(int millis) async {
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return await Future.delayed(Duration(milliseconds: millis));
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}
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static void hideLoading(BuildContext context) {
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if (_isLoadingVisible) {
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_isLoadingVisible = false;
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Navigator.of(context).pop();
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}
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_isLoadingVisible = false;
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}
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static Future<String> getStringFromPrefs(String key) async {
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SharedPreferences prefs = await SharedPreferences.getInstance();
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return prefs.getString(key) ?? "";
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}
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static Future<bool> saveStringFromPrefs(String key, String value) async {
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SharedPreferences prefs = await SharedPreferences.getInstance();
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return await prefs.setString(key, value);
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}
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static void handleException(dynamic exception, cxt, Function(String)? onErrorMessage) {
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String errorMessage;
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if (exception is APIException) {
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if (exception.message == APIException.UNAUTHORIZED) {
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return;
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} else {
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errorMessage = exception.error?.errorMessage ?? exception.message;
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}
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} else {
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errorMessage = APIException.UNKNOWN;
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}
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if (onErrorMessage != null) {
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onErrorMessage(errorMessage);
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} else {
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if (!AppState().isAuthenticated) {
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showDialog(
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context: cxt,
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builder: (cxt) => ConfirmDialog(
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message: errorMessage,
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onTap: () {
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Navigator.pushNamedAndRemoveUntil(cxt, AppRoutes.login, (Route<dynamic> route) => false);
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},
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),
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);
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} else {
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showToast(errorMessage);
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}
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}
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}
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static void confirmDialog(cxt, String message) {
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showDialog(
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context: cxt,
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builder: (cxt) => ConfirmDialog(
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message: message,
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),
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);
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}
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}
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