public void Update(string workItemId, IMigrationAction action)
{
FileAttachmentMetadata attchMetadata = FileAttachmentMetadata.Create(action.MigrationActionDescription);
if (null != attchMetadata)
{
var queryByItem = QueryByItem(workItemId);
if (action.Action == WellKnownChangeActionId.AddAttachment)
{
if (queryByItem.Count() > 0)
{
queryByItem.First().RelationshipExistsOnServer = true;
if (queryByItem.First().OtherProperty.HasValue)
{
queryByItem.First().OtherProperty = queryByItem.First().OtherProperty.Value + 1;
}
else
{
queryByItem.First().OtherProperty = 1;
}
}
else
{
var newAttchRecord = CreateNewAttachmentStoreRecord(
workItemId, FileAttachmentMetadata.CreateAttachmentStorageId(action.MigrationActionDescription), 1);
}
}
else if (action.Action == WellKnownChangeActionId.DelAttachment)
{
if (queryByItem.Count() > 0)
{
if (queryByItem.First().RelationshipExistsOnServer)
{
if (queryByItem.First().OtherProperty.HasValue&& queryByItem.First().OtherProperty.Value > 0)
{
queryByItem.First().OtherProperty = queryByItem.First().OtherProperty.Value - 1;
if (queryByItem.First().OtherProperty == 0)
{
queryByItem.First().RelationshipExistsOnServer = false;
}
}
else
{
queryByItem.First().OtherProperty = 0;
queryByItem.First().RelationshipExistsOnServer = false;
}
}
}
}
m_context.TrySaveChanges();
}
}
public int GetWorkItemAttachmentSpecificCount(string workItemId, XmlDocument updateDocument)
{
var queryByItem = QueryByItem(workItemId);
var perItemExistingAttachments =
from attch in queryByItem
where attch.RelationshipExistsOnServer
select attch;
string attachmentStorageId = FileAttachmentMetadata.CreateAttachmentStorageId(updateDocument);
var attachmentInStore = QueryItemSpecificAttachment(perItemExistingAttachments, attachmentStorageId);
return(GetAttachmentInStoreCount(attachmentInStore));
}
