private void ProcessAttachments()
{
var azureInterface = new AzureInterface(AdminService, Service, TracingService);
var results = Service.GetEmailAndAttachmentsForId(Context.PrimaryEntityId);
// Call the plugin to upload the email and all its attachments as files to SharePoint.
if (results != null && results.Entities.Count > 0)
{
var emailUploaded = false;
if (results.Entities[0].Contains(Email.Fields.defra_uploadedtosharepoint))
{
// annotation and email
emailUploaded = results.Entities[0].GetAttributeValue <bool>(Email.Fields.defra_uploadedtosharepoint);
}
if (!emailUploaded)
{
TracingService.Trace("Requesting action for Email upload.");
azureInterface.SendFileToSharePointActionRequest(Context.PrimaryEntityName, Context.PrimaryEntityId);
}
else
{
TracingService.Trace("Email already uploaded to SharePoint");
}
// Now process the attachments
TracingService.Trace("Processing {0} attachments.", results.Entities.Count.ToString());
foreach (Entity attachment in results.Entities)
{
var filesize = 0;
if (attachment.Contains("attachment.filesize"))
{
filesize = (int)((AliasedValue)attachment.Attributes["attachment.filesize"]).Value;
}
var filename = string.Empty;
if (attachment.Contains("attachment.filename"))
{
filename = (string)((AliasedValue)attachment.Attributes["attachment.filename"]).Value;
}
TracingService.Trace("Attachment Id={0}, filename={1}, size={2}.", attachment.Id.ToString(), filename, filesize.ToString());
if (filesize > 0)
{
var attachmentId = (Guid)((AliasedValue)attachment.Attributes["attachment.activitymimeattachmentid"]).Value;
// Using an action because we don't know how many attachments we'll have. Could take more than process
// limit of 2 minutes so using action trigger async plugin.
azureInterface.SendFileToSharePointActionRequest(ActivityMimeAttachment.EntityLogicalName, attachmentId);
TracingService.Trace("{0} request sent", PluginMessages.SendFileToSharePoint);
}
else
{
TracingService.Trace("Attachment has zero filesize. Do not upload.", PluginMessages.SendFileToSharePoint, attachment.Id.ToString());
}
}
}
}
protected override void Execute(CodeActivityContext executionContext)
{
var tracingService = executionContext.GetExtension <ITracingService>();
var context = executionContext.GetExtension <IWorkflowContext>();
var serviceFactory = executionContext.GetExtension <IOrganizationServiceFactory>();
var service = serviceFactory.CreateOrganizationService(context.UserId);
var adminService = serviceFactory.CreateOrganizationService(null);
var azureInterface = new AzureInterface(adminService, service, tracingService);
// Using an action because we don't know how many attachments we'll have. Could take more
// than process limit of 2 minutes so using action trigger async plugin.
// Additionally, files larger than approx 20MB cause problems with custom workflow code
// activity if passing the whole file in the context.
azureInterface.SendFileToSharePointActionRequest(context.PrimaryEntityName, context.PrimaryEntityId);
}