/// <summary>
/// Processes the input text and returns the processed value.
/// </summary>
/// <returns>The processed output</returns>
protected override string ProcessChange()
{
var result = new AlfredCommandResult();
var recipient = ChatEngine.Owner as IAlfredCommandRecipient;
// Check to make sure we have a recipient to talk to
if (recipient == null)
{
Log(Resources.AlfredTagHandlerProcessChangeNoRecipient, LogLevel.Warning);
return result.Output.NonNull();
}
// Build a command
var name = GetAttribute("command");
var subsystem = GetAttribute("subsystem");
var data = GetAttribute("data");
var command = new ChatCommand(subsystem, name, data);
// Send the command on to the owner. This may modify result or carry out other actions.
recipient.ProcessAlfredCommand(command, result);
// Get the output value from the result in case it was set externally
return result.Output.NonNull();
}
/// <summary>
/// Processes an Alfred Command. If the command is handled, result should be modified accordingly
/// and the method should return true. Returning false will not stop the message from being
/// propagated.
/// </summary>
/// <param name="command">The command.</param>
/// <param name="result">The result. If the command was handled, this should be updated.</param>
/// <returns><c>True</c> if the command was handled; otherwise false.</returns>
public bool ProcessAlfredCommand(ChatCommand command, AlfredCommandResult result)
{
var alfred = Alfred;
if (alfred == null)
{
return false;
}
// Extract our target for loop readability
var target = command.Subsystem;
// Commands are very, very important and need to be logged.
alfred.Console?.Log(Resources.AlfredCommandRouterProcessAlfredCommandLogHeader,
string.Format(CultureInfo.CurrentCulture,
Resources.AlfredCommandRouterProcessAlfredCommandLogMessage,
command.Name,
target,
command.Data),
LogLevel.Info);
// Send the command to each subsystem. These will in turn send it on to their pages and modules.
foreach (var subsystem in alfred.Subsystems)
{
// If the command isn't for the subsystem, move on.
if (target.HasText() && !target.Matches(subsystem.Id))
{
continue;
}
// Send the command to the subsystem for routing. If it's handled, the subsystem will return true.
if (subsystem.ProcessAlfredCommand(command, result))
{
return true;
}
}
return false;
}
/// <summary>
/// Processes an Alfred Command. If the <paramref name="command"/> is handled,
/// <paramref name="result"/> should be modified accordingly and the method should
/// return true. Returning <see langword="false"/> will not stop the message from being
/// propagated.
/// </summary>
/// <param name="command">The command.</param>
/// <param name="result">
/// The result. If the <paramref name="command"/> was handled, this should be updated.
/// </param>
/// <returns>
/// <c>True</c> if the <paramref name="command"/> was handled; otherwise false.
/// </returns>
public override bool ProcessAlfredCommand(ChatCommand command, AlfredCommandResult result)
{
var al = AlfredInstance as TestAlfred;
if (al != null)
{
al.LastCommand = command;
}
return base.ProcessAlfredCommand(command, result);
}