/// <summary>
/// Метод проверки состояния Wi-Fi
/// </summary>
/// <returns></returns>
private bool StatusWiFi()
{
if (!CrossConnectivity.Current.IsConnected)
{
e = new ReceivedDataEvent(false, "Соединение с интернетом отсутствует");
return(false);
}
return(true);
}
public async void RequestRSS(string url,
ServerConnectorCallBack Callback = null, object Sender = null)
{
Debug.WriteLine("StatusWiFi : " + StatusWiFi());
try
{
if (StatusWiFi())
{
using (var httpClient = new HttpClient())
{
var response = await httpClient.GetAsync(url);
var content = response.Content;
var json = await content.ReadAsStringAsync();
Debug.WriteLine("response.StatusCode : " + response.StatusCode);
switch (response.StatusCode)
{
case HttpStatusCode.OK:
e = new ReceivedDataEvent(true, json);
break;
case HttpStatusCode.InternalServerError:
e = new ReceivedDataEvent(false, "Сервер не работает");
break;
case HttpStatusCode.Forbidden:
e = new ReceivedDataEvent(false, null);
break;
default:
e = new ReceivedDataEvent(false, json);
break;
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine("RequestRSS : " + ex.Message);
e = new ReceivedDataEvent(false, "Такой ссылки не сушествует");
}
if (ServerDataEvent != null)
{
ServerDataEvent?.Invoke(this, e);
}
if (Callback != null)
{
Callback(Sender, e);
}
}
/// <summary>
/// Ответ запроса по уведомлениям
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void RequestRSSHandler(object sender, ReceivedDataEvent e)
{
var _sender = sender as ViewModelDetailRSS;
Debug.WriteLine("Success : " + e.Success);
Debug.WriteLine("Data : " + e.Data);
var list = new List <ModelTableDetailRSS>();
var listDB = _sender.AllListDetailRSSTable(_sender.modelRSS);
try
{
if (!e.Success)
{
throw new Exception(e.Data);
}
else
{
if (listDB.Count != 0)
{
_sender.ClearDBDetailRSS(listDB);
}
var doc = XDocument.Parse(e.Data).Descendants("item");
var listSourceDetailRSS = (from rss in doc
select AddDetailRSS(rss)).ToList();
list = listSourceDetailRSS;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
if (listDB.Count != 0)
{
list = listDB;
}
else
{
DisplayAlertService("", ex.Message, "ОК");
}
}
SourceDetailRSS = list;
Debug.WriteLine("SourceDetailRSS : " + SourceDetailRSS.Count());
UpdateIsRefreshing(false);
OnPropertyChanged("");
}
