/// <summary>
/// Removes the attachment.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="nickname">The nickname.</param>
/// <returns></returns>
public static bool RemoveAttachment(this AgentMessage message, string nickname)
{
var decorator = message.FindDecorator <AttachDecorator>("attach") ?? new AttachDecorator();
var result = decorator.Remove(decorator[nickname]);
message.SetDecorator(decorator, "attach");
return(result);
}
/// <summary>
/// Adds an attachment to the message using the ~attach attachment
/// </summary>
/// <param name="message">The message.</param>
/// <param name="attachment">The attachment.</param>
/// <param name="overrideExisting">if set to <c>true</c> [override existing].</param>
public static void AddAttachment(this AgentMessage message, Attachment attachment, bool overrideExisting = true)
{
var decorator = message.FindDecorator <AttachDecorator>("attach") ?? new AttachDecorator();
var existing = decorator[attachment];
if (existing != null && !overrideExisting)
{
throw new ArgumentException($"Attachment {attachment.Nickname} already exists.");
}
if (existing != null)
{
decorator.Remove(existing);
}
decorator.Add(attachment);
message.AddDecorator(decorator, "attach");
}
/// <summary>
/// Adds return routing to message
/// </summary>
/// <param name="message">The message to add return routing</param>
public static bool ReturnRoutingRequested(this AgentMessage message)
{
try
{
var transportDecorator = message.FindDecorator <TransportDecorator>(DecoratorNames.TransportDecorator);
if (transportDecorator != null)
{
return(true);
}
return(false);
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// Gets the attachment.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="nickname">The nickname.</param>
public static Attachment GetAttachment(this AgentMessage message, string nickname)
{
var decorator = message.FindDecorator <AttachDecorator>("attach") ?? new AttachDecorator();
return(decorator[nickname]);
}