public override IAttachment Read(string attachmentId)
{
IList <AttachmentId> attachmentIds = IdConverter.GetAttachmentIds(attachmentId);
IAttachment result;
using (IItem item = this.BindToParentItem())
{
using (DisposeGuard disposeGuard = default(DisposeGuard))
{
IItem item2 = item;
Attachment attachment = null;
for (int i = 0; i < attachmentIds.Count; i++)
{
attachment = IrmUtils.GetAttachmentCollection(item2).Open(attachmentIds[i]);
disposeGuard.Add <Attachment>(attachment);
if (i < attachmentIds.Count - 1)
{
if (!(attachment is ItemAttachment))
{
throw new CorruptDataException(Strings.ErrorAllButLastNestedAttachmentMustBeItemAttachment);
}
ItemAttachment itemAttachment = attachment as ItemAttachment;
item2 = itemAttachment.GetItem();
disposeGuard.Add <IItem>(item2);
}
}
StorageTranslator <IAttachment, IAttachment> attachmentTranslator = this.GetAttachmentTranslator(attachment.AttachmentType, false);
IAttachment attachment2 = attachmentTranslator.ConvertToEntity(attachment);
attachment2.Id = attachmentId;
result = attachment2;
}
}
return(result);
}
public static AttachmentId GetAttachmentId(string attachmentId)
{
IList <AttachmentId> attachmentIds = IdConverter.GetAttachmentIds(attachmentId);
if (attachmentIds.Count > 0)
{
return(attachmentIds[0]);
}
return(null);
}
private void UpdateNestedAttachmentIds(List<IAttachment> attachments, string embededItemAttachmentId)
{
if (attachments.Count > 0)
{
IList<AttachmentId> attachmentIds = IdConverter.GetAttachmentIds(embededItemAttachmentId);
int count = attachmentIds.Count;
foreach (IAttachment attachment in attachments)
{
IList<AttachmentId> attachmentIds2 = IdConverter.GetAttachmentIds(attachment.Id);
attachmentIds.Add(attachmentIds2[0]);
attachment.Id = IdConverter.GetHierarchicalAttachmentStringId(attachmentIds);
attachmentIds.RemoveAt(count);
}
}
}
public void Delete(string attachmentId, CommandContext commandContext = null)
{
IList <AttachmentId> attachmentIds = IdConverter.GetAttachmentIds(attachmentId);
if (attachmentIds.Count > 1)
{
throw new InvalidRequestException(Strings.ErrorNestedAttachmentsCannotBeRemoved);
}
using (IItem item = this.BindToParentItem())
{
item.OpenAsReadWrite();
this.GetAttachmentCollection(item).Remove(attachmentIds[0]);
this.SaveParentItem(item, commandContext);
}
}