/// <summary>
/// Receiving a file
/// </summary>
/// <param name="message">The message to be parsed as a file part</param>
/// <returns></returns>
private int ReceiveFile(Message message)
{
try
{
var contact = Contacts.FirstOrDefault(p => p.ID == message.From);
if (contact == null)
{
return(0);
}
// Start to receive the first block
if (message.FileOffset == 0)
{
SystemMessageIn(string.Format("[img]pack://application:,,,/Resources;component/images/degrees0.png[/img] [0.00%] \"{0}\"",
message.FileName),
message.From, message.Sent, message.IsEncrypted, true);
}
string path = Path.Combine(Settings.Directory, TEMP_FILE_DIRECTORY);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
path = Path.Combine(path, contact.Name);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
path = Path.Combine(path, message.FileName);
byte[] bytes = Convert.FromBase64String(message.Text);
// If such a file exists - rewrite
if (File.Exists(path) && message.FileOffset == 0)
{
File.Delete(path);
}
using (var stream = File.Open(path, FileMode.Append))
stream.Write(bytes, 0, bytes.Length);
// Finished receiving the last block
if (message.FileOffset + bytes.Length == message.FileLength)
{
// Куда в итоге сохранен файл
string movePath = historyStorage.AddFileByName(contact.Name, path);
// Путь до файла относительно папки приложения
string relativePath = movePath.Replace(Settings.Directory, "");
// Let's make a link to a downloaded file
string url = GetRelativeLink(relativePath);
string urlDirectory = GetRelativeLink(Path.GetDirectoryName(relativePath));
string messageText;
if (new[] { ".jpg", ".jpeg", ".png", ".gif" }.Contains(Path.GetExtension(movePath).ToLower()))
{
messageText = string.Format("[link={0}][img]{0}[/img][/link]", url);
}
else
{
messageText = string.Format("[img]pack://application:,,,/Resources;component/images/file_received.png[/img] " +
"\"[link={1}]{0}[/link]\" [link={2}]Open folder[/link]", message.FileName, url, urlDirectory);
}
SystemMessageIn(messageText, message.From, message.Sent, message.IsEncrypted, true);
}
else
{
double part = (double)(message.FileOffset + bytes.Length) / message.FileLength;
int degrees = 30 * (int)(12 * part);
SystemMessageIn(string.Format("[img]pack://application:,,,/Resources;component/images/degrees{2}.png[/img] [{1:0.00%}] \"{0}\"",
message.FileName, part, degrees), message.From, message.Sent, message.IsEncrypted, false);
}
return(bytes.Length);
}
catch (Exception ex)
{
ex.Process(ErrorHandlingLevels.Tray, "Error while receiving file");
try
{
SystemMessageIn(string.Format("Error while receiving file \"{0}\".", message.FileName),
message.From, message.Sent, message.IsEncrypted, true);
}
catch
{
// silence
}
return(0);
}
}
