public void DownloadFile(string selectedPath, int chatId, int messageId)
{
Task.Factory.StartNew(() =>
{
mainViewModel.NotifyUserByRowState(RowStateResourcesName.l_download);
RRTemplate serverReceive = Client.ServerRequest(new RRTemplate(RRType.DownloadFile, new DownloadFileTemplate(chatId, messageId, null)));
if (serverReceive.RRType == RRType.DownloadFile)
{
DownloadFileTemplate dfileT = serverReceive.RRObject as DownloadFileTemplate;
if (dfileT != null)
{
using (FileStream fs = new FileStream(selectedPath + @"\\" + dfileT.Message.FileName, FileMode.OpenOrCreate, FileAccess.Write))
{
fs.Write(dfileT.Message.MessageBody, 0, dfileT.Message.MessageBody.Length);
mainViewModel.NotifyUserByRowState(RowStateResourcesName.l_succsDownloaded, fs.Name);
}
}
}
});
}
public static RRTemplate ServerRequest(RRTemplate request)
{
try
{
client = new TcpClient();
client.Connect(serverIP, serverPort);
clientStream = client.GetStream();
BinaryFormatter formatter = new BinaryFormatter();
using (MemoryStream memoryStream = new MemoryStream())
{
formatter.Serialize(memoryStream, request);
clientStream.Write(memoryStream.GetBuffer(), 0, memoryStream.GetBuffer().Length);
switch (request.RRType) //если попадает в default, то будет ответ, если нет, то нет
{
case RRType.RefreshContacts:
case RRType.SearchOutContacts:
case RRType.UserDisconected:
case RRType.AddContact:
case RRType.RemoveContact:
case RRType.SendMessage:
case RRType.AddContactTarget:
case RRType.RemoveContactTarget:
case RRType.RefreshContactStatus:
case RRType.RefreshMessageState:
case RRType.CreateConv:
case RRType.RemoveConv:
clientStream.Close();
client.Close();
return(null);
break;
default:
memoryStream.Flush();
memoryStream.Position = 0;
do
{
byte[] buffer = new byte[256];
int bytes;
bytes = clientStream.Read(buffer, 0, buffer.Length);
memoryStream.Write(buffer, 0, bytes);
buffer = new byte[256];
}while (clientStream.DataAvailable);
memoryStream.Position = 0;
RRTemplate serverResponse = formatter.Deserialize(memoryStream) as RRTemplate;
if (serverResponse != null)
{
switch (serverResponse.RRType)
{
case RRType.Authorization:
case RRType.RefreshUserData:
RegistrationTemplate reg = serverResponse.RRObject as RegistrationTemplate; //RegistrationTemplate служит как шаблон для преднастройки приложения
if (reg != null)
{
CreateAuthToken(reg);
return(serverResponse);
}
break;
case RRType.DownloadFile:
DownloadFileTemplate dfileT = serverResponse.RRObject as DownloadFileTemplate;
if (dfileT != null)
{
return(serverResponse);
}
break;
case RRType.AdminSearch:
AdminSearchTemplate admST = serverResponse.RRObject as AdminSearchTemplate;
if (admST != null)
{
return(serverResponse);
}
break;
case RRType.BlockUnblockUser:
BlockUnblockUserTemplate blunblUT = serverResponse.RRObject as BlockUnblockUserTemplate;
if (blunblUT != null)
{
return(serverResponse);
}
break;
case RRType.Error:
ErrorReportTemplate error = serverResponse.RRObject as ErrorReportTemplate;
if (error != null)
{
return(new RRTemplate(RRType.Error, error));
}
break;
default:
return(new RRTemplate(RRType.Error, new ErrorReportTemplate(ErrorType.Other, new Exception("Unknown problem"))));
break;
}
}
else
{
return(new RRTemplate(RRType.Error, new ErrorReportTemplate(ErrorType.UnCorrectServerResponse, new Exception("Uncorrect server response"))));
}
break;
}
}
return(new RRTemplate(RRType.Error, new ErrorReportTemplate(ErrorType.Other, new Exception("Unknown problem"))));
}
catch (SocketException ex)
{
return(new RRTemplate(RRType.Error, new ErrorReportTemplate(ErrorType.NoConnectionWithServer, ex)));
}
catch (Exception ex)
{
return(new RRTemplate(RRType.Error, new ErrorReportTemplate(ErrorType.Other, ex)));
}
}
