public static string UploadAvatar(long connectionId, byte[] imageBytes)
{
// read path from DB and delete old avatar file
Client client = ClientManager.GetConnectedClient(connectionId);
long userId = client.UserData.UserId;
FoolUser user = DatabaseOperations.GetUserById(userId);
if (string.IsNullOrEmpty(user.AvatarFile) && File.Exists(user.AvatarFile))
{
File.Delete(user.AvatarFile);
}
// find out the format of image
string format = ByteArrayFileFormat(imageBytes);
// create directory if not exists
string avatarsFolderName = "avatars"; // todo load from app.config
Directory.CreateDirectory(avatarsFolderName);
// write to file
string filePath = avatarsFolderName + "/" + imageBytes.GetHashCode() + format;
var stream = File.Create(filePath);
stream.Write(imageBytes, 0, imageBytes.Length);
stream.Close();
// update avatar in db
DatabaseOperations.UpdateAvatar(userId, filePath);
// update avatar in buffered client data
client.UserData.AvatarFile = filePath;
// return: send avatar exact url on server
return(client.UserData.AvatarFileUrl);
}
/// <summary>
/// Registred user token constructor
/// </summary>
public Token(FoolUser user)
{
this.OwnerUser = user;
this.authMethod = AuthorizationMethod.Email;
}