/// <summary>
/// See https://our.umbraco.org/documentation/Reference/Events/ for event handling documentation.
/// </summary>
/// <param name="umbracoApplication"></param>
/// <param name="applicationContext"></param>
protected override void ApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
{
queueConnection = new SqlConnection(applicationContext.DatabaseContext.ConnectionString);
/*
ContentService
MediaService
ContentTypeService
MemberService
FileService
LocalizationService
DataTypeService
*/
var contentQueue = new ContentQueue(queueConnection);
ContentService.Saved += contentQueue.ContentService_Saved;
var mediaQueue = new MediaQueue(queueConnection);
MediaService.Saved += mediaQueue.MediaService_Saved;
MediaService.Deleted += mediaQueue.MediaService_Deleted;
var memberQueue = new MemberQueue(queueConnection);
MemberService.Created += memberQueue.MemberService_Created;
base.ApplicationStarted(umbracoApplication, applicationContext);
}
/// <summary>
///
/// </summary>
/// <param name="conn"></param>
private static void ProcessMediaQueue(SqlConnection conn)
{
Console.WriteLine("Checking Media Queue...");
SqlTransaction tran = conn.BeginTransaction();
var queue = new MediaQueue(conn);
SqlCommand command = queue.CreateReadCommand(tran);
int rows = command.ExecuteNonQuery();
if (rows > 0)
{
var bodyXml = (System.Data.SqlTypes.SqlXml)command.Parameters["@message_body"].SqlValue;
if (!bodyXml.IsNull)
{
XElement messageBodyXml;
string resource;
string messageType = (string)command.Parameters["@message_type"].Value;
Console.WriteLine(" -> Message: [" + messageType + "]");
switch (messageType)
{
case "//Media/Cdn/SetInvalidationMessage":
messageBodyXml = XElement.Parse(bodyXml.Value);
resource = messageBodyXml.Elements().Where(p => p.Name == "resource").First().Value;
/* Invoke CDN API to invalidate resource. */
Console.WriteLine(" -> Resource: {0}", resource);
tran.Commit();
break;
case "//Media/Cdn/SetPolicyMessage":
messageBodyXml = XElement.Parse(bodyXml.Value);
resource = messageBodyXml.Elements().Where(p => p.Name == "resource").First().Value;
/* Invoke CDN API to set policy on a resource. */
Console.WriteLine(" -> Resource: {0}", resource);
tran.Commit();
break;
default:
tran.Rollback();
throw new InvalidOperationException("Unknown message type " + messageType);
}
}
}
else
{
tran.Rollback();
}
}