public void ProcessMessage(IChatMessage message, IChatResponse response)
{
var expression = new Expression(message.CommandText);
response.Write(expression.Evaluate().ToString());
}
public void ProcessMessage(IChatMessage message, IChatResponse response)
{
// parse the command so we know what to run
var command = this.ParseCommand(message.CommandText);
if (command == null)
{
response.Write("Erk! Not sure what to say to that.");
return;
}
// check the script module exists
var modulePath = this.GetFullModulePath(command.Command);
if (!File.Exists(modulePath))
{
response.Write("Unknown command! Try \"@autobot Get-Help\" instead.");
return;
}
// initialise the host
var host = new Host.Host(this.Logger);
// add a handler for OnWrite events so we can bubble them up to the chat session
var hostUi = (host.UI as UserInterface);
if (hostUi != null)
{
hostUi.OnWrite += (sender, value) => response.Write(value);
}
// create a new initial state with the script module loaded
var state = InitialSessionState.CreateDefault();
state.ImportPSModule(new string[] { modulePath });
// run the script inside the host
using (var runspace = RunspaceFactory.CreateRunspace(host, state))
{
runspace.Open();
using (var invoker = new RunspaceInvoke(runspace))
{
try
{
// execute the PowerShell function with the same name as the module
IList errors;
var psObjects = invoker.Invoke(string.Format("{0} {1}", command.Command, command.Parameters), null, out errors);
// handle any errors
if ((errors != null) && (errors.Count > 0))
{
var errorString = new System.Text.StringBuilder();
foreach (var error in errors)
{
errorString.AppendLine(error.ToString());
}
this.Logger.Error(string.Format("ERROR!: {0}", errorString.ToString()));
response.Write(string.Format("OOohhh, I got an error running {0}. It looks like this:", command));
response.Write(errorString.ToString());
return;
}
// write the result
foreach (var psObject in psObjects)
{
response.Write(this.SerializePSObject(psObject));
}
}
catch (Exception ex)
{
this.Logger.Error("ERROR!: ", ex);
response.Write(string.Format("Urghhh!, that didn't taste nice! There's a problem with me running the {0} script.", command));
response.Write(string.Format("Check you are calling the script correctly by using \"@autobot get-help {0}\"", command));
response.Write("If all else fails ask your administrator for the event/error log entry.");
}
}
}
}