72 lines
2.8 KiB
Dart
72 lines
2.8 KiB
Dart
import 'package:aves/model/settings/settings.dart';
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import 'package:aves/theme/durations.dart';
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import 'package:connectivity/connectivity.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:github/github.dart';
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import 'package:google_api_availability/google_api_availability.dart';
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import 'package:package_info/package_info.dart';
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import 'package:version/version.dart';
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final AvesAvailability availability = AvesAvailability._private();
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class AvesAvailability {
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bool _isConnected, _hasPlayServices, _isNewVersionAvailable;
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AvesAvailability._private() {
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Connectivity().onConnectivityChanged.listen(_updateConnectivityFromResult);
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}
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void onResume() => _isConnected = null;
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Future<bool> get isConnected async {
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if (_isConnected != null) return SynchronousFuture(_isConnected);
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final result = await (Connectivity().checkConnectivity());
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_updateConnectivityFromResult(result);
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return _isConnected;
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}
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void _updateConnectivityFromResult(ConnectivityResult result) {
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final newValue = result != ConnectivityResult.none;
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if (_isConnected != newValue) {
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_isConnected = newValue;
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debugPrint('Device is connected=$_isConnected');
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}
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}
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Future<bool> get hasPlayServices async {
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if (_hasPlayServices != null) return SynchronousFuture(_hasPlayServices);
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final result = await GoogleApiAvailability.instance.checkGooglePlayServicesAvailability();
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_hasPlayServices = result == GooglePlayServicesAvailability.success;
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debugPrint('Device has Play Services=$_hasPlayServices');
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return _hasPlayServices;
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}
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// local geolocation with `geocoder` requires Play Services
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Future<bool> get canLocatePlaces => Future.wait<bool>([isConnected, hasPlayServices]).then((results) => results.every((result) => result));
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Future<bool> get isNewVersionAvailable async {
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if (_isNewVersionAvailable != null) return SynchronousFuture(_isNewVersionAvailable);
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final now = DateTime.now();
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final dueDate = settings.lastVersionCheckDate.add(Durations.lastVersionCheckInterval);
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if (now.isBefore(dueDate)) {
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_isNewVersionAvailable = false;
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return SynchronousFuture(_isNewVersionAvailable);
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}
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if (!(await isConnected)) return false;
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Version version(String s) => Version.parse(s.replaceFirst('v', ''));
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final currentTag = (await PackageInfo.fromPlatform()).version;
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final latestTag = (await GitHub().repositories.getLatestRelease(RepositorySlug('deckerst', 'aves'))).tagName;
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_isNewVersionAvailable = version(latestTag) > version(currentTag);
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if (_isNewVersionAvailable) {
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debugPrint('Aves $latestTag is available on github');
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} else {
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debugPrint('Aves $currentTag is the latest version');
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settings.lastVersionCheckDate = now;
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}
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return _isNewVersionAvailable;
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}
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}
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