public bool Execute(IBackloadContext context, IIncomingRequestParam param)
{
// Demo 2: Comment out the following line and rebuild the solution
return(false);
if (context.HttpMethod == "POST")
{
int startIdx = context.PipelineControl.Message.MessageCode;
string subfolder = string.Empty;
if (startIdx < 8)
{
subfolder = DateTime.Now.ToString(datetime[startIdx]);
}
else
{
subfolder = lorem[startIdx - 8];
}
if (string.IsNullOrEmpty(param.BackloadValues.UploadContext) == false)
{
param.BackloadValues.UploadContext += ";"; // Seperate subfolders with a semicolon
}
param.BackloadValues.UploadContext += subfolder;
// There are multiple ways sharing data between extensions. Here we use PipelineControl.Message to increase the index.
// Note, that the ExtensionLogger logs the messages (subfolders) in PipelineControl.Message returned from the extension
context.PipelineControl.Message.MessageText = subfolder;
context.PipelineControl.Message.MessageCode += 1;
return(true); // Processed value is true, because the extension has changed properties.
}
return(false); // No properties have been changed, so false is returned.
}
public bool Execute(IBackloadContext context, IIncomingRequestParam param)
{
// Demo 2: Comment out the following line and rebuild the solution
return false;
if (context.HttpMethod == "POST")
{
int startIdx = context.PipelineControl.Message.MessageCode;
string subfolder = string.Empty;
if (startIdx < 8) subfolder = DateTime.Now.ToString(datetime[startIdx]);
else subfolder = lorem[startIdx - 8];
if (string.IsNullOrEmpty(param.BackloadValues.UploadContext) == false) param.BackloadValues.UploadContext += ";"; // Seperate subfolders with a semicolon
param.BackloadValues.UploadContext += subfolder;
// There are multiple ways sharing data between extensions. Here we use PipelineControl.Message to increase the index.
// Note, that the ExtensionLogger logs the messages (subfolders) in PipelineControl.Message returned from the extension
context.PipelineControl.Message.MessageText = subfolder;
context.PipelineControl.Message.MessageCode += 1;
return true; // Processed value is true, because the extension has changed properties.
}
return false; // No properties have been changed, so false is returned.
}
public bool Execute(IBackloadContext context, IIncomingRequestParam param)
{
if (context.HttpMethod == "POST")
{
// This extension validate if the artist is in the database, and returns a Bad Request status (400) if not.
// IMPORTANT: Don't forget to rebuild the extension when you changed code. Otherwise you may use the old extensions code.
using (var artists = new ArtistsLibrary())
{
var artist = artists.Artists.FirstOrDefault(a => a.ArtistId == param.BackloadValues.ObjectContext);
if (artist == null) // Artist not in list
{
// Stop further processing of the pipeline but all extensions can do their work (maybe logging, etc.).
// The outgoing extension will also be called, so you have the chance to change the response to the client.
context.PipelineControl.ExecutePipeline = false;
// Because we prevented the execution of the core pipeline (where the core method for executing
// this request is) we do not generate a FileUploadStatus which holds the status of all files this request
// handles. IIncomingRequest is the first extension point and FileUploadStatus is generated later in the core pipeline.
// This taken into account, we cannot send a message with each FileUploadStatusItem, instead we send a general error.
// If you want to send messages with the FileUploadStatus, do this in an extension like GetFilesRequest, StoreFileRequest
// or in the OutgoingResponse extension.
context.Request.RequestContext.HttpContext.Response.StatusCode = 400;
return(true); // Return value is true, because the extension has changed properties.
}
}
}
return(false); // No properties have been changed, so false is returned.
}
public bool Execute(IBackloadContext context, IIncomingRequestParam param)
{
if (context.HttpMethod == "POST")
{
// This extension validate if the artist is in the database, and returns a Bad Request status (400) if not.
// IMPORTANT: Don't forget to rebuild the extension when you changed code. Otherwise you may use the old extensions code.
using (var artists = new ArtistsLibrary())
{
var artist = artists.Artists.FirstOrDefault(a => a.ArtistId == param.BackloadValues.ObjectContext);
if (artist == null) // Artist not in list
{
// Stop further processing of the pipeline but all extensions can do their work (maybe logging, etc.).
// The outgoing extension will also be called, so you have the chance to change the response to the client.
context.PipelineControl.ExecutePipeline = false;
// Because we prevented the execution of the core pipeline (where the core method for executing
// this request is) we do not generate a FileUploadStatus which holds the status of all files this request
// handles. IIncomingRequest is the first extension point and FileUploadStatus is generated later in the core pipeline.
// This taken into account, we cannot send a message with each FileUploadStatusItem, instead we send a general error.
// If you want to send messages with the FileUploadStatus, do this in an extension like GetFilesRequest, StoreFileRequest
// or in the OutgoingResponse extension.
context.Request.RequestContext.HttpContext.Response.StatusCode = 400;
return true; // Return value is true, because the extension has changed properties.
}
}
}
return false; // No properties have been changed, so false is returned.
}
// This extension is only for demo purposes, as we throw an exception here
// Don't forget to rebuid your solution if you made changes to your extension, otherwise you may use the old extension assembly.
public bool Execute(IBackloadContext context, IIncomingRequestParam param)
{
if (context.HttpMethod == "POST")
{
for (int i = 0; i < context.Request.Files.Count; i++)
{
var file = context.Request.Files[i];
if (file.FileName.ToLower().Contains("badfile"))
{
context.PipelineControl.Message.MessageText = "Bad file name.";
throw new Exception(context.PipelineControl.Message.MessageText);
}
}
}
return(false); // No properties have been changed, so we set return false.
}
// This extension is only for demo purposes, as we throw an exception here
// Don't forget to rebuid your solution if you made changes to your extension, otherwise you may use the old extension assembly.
public bool Execute(IBackloadContext context, IIncomingRequestParam param)
{
if (context.HttpMethod == "POST")
{
for (int i = 0; i < context.Request.Files.Count; i++)
{
var file = context.Request.Files[i];
if (file.FileName.ToLower().Contains("badfile"))
{
context.PipelineControl.Message.MessageText = "Bad file name.";
throw new Exception(context.PipelineControl.Message.MessageText);
}
}
}
return false; // No properties have been changed, so we set return false.
}
