main.m

+ (void)installWiFiStatusChangedAlertView:(UIViewController *)viewController
{
	[[[RPCController WiFiStatusChanged] filter:^BOOL(id value) {
		return ![RPCController isWiFiEnabled] || ![RPCController isWiFiConnected];
	}] subscribeNext:^(id _) {
		NSString *title = nil;
		NSString *message = nil;
		if (![RPCController isWiFiEnabled])
		{
			title = NSLocalizedString(@"WiFi is disabled", nil);
			message = NSLocalizedString(@"To make use of this application, please enable your WiFi and connect to a WiFi network", nil);
		}
		else
		{
			title = NSLocalizedString(@"You're not connected to a WiFi network", nil);
			message = NSLocalizedString(@"To make use of this application, please connect to a WiFi network", nil);
		}
		
		UIAlertController * controller = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
		
		[controller rac_liftSelector:@selector(dismissViewControllerAnimated:completion:) withSignalsFromArray:@[[[[RPCController WiFiStatusChanged] ignore:@NO] takeUntil:controller.rac_willDeallocSignal], [RACSignal return:nil]]];
		
		[controller addAction:[UIAlertAction actionWithTitle:@"Okay" style:UIAlertActionStyleCancel handler:nil]];
		
		if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_7_1)
		{
			[controller addAction:[UIAlertAction actionWithTitle:@"Settings..." style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
				[[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
			}]];
		}
		[viewController presentViewController:controller animated:YES completion:nil];
	}];
}