public AttachmentsSynchronizationContext(
TisAttachmentsOperation attachmentsOperation,
ITisAttachmentsFilter attachmentsFilter,
TisAttachmentsSynchronizationPolicy attachmentsSynchronizationPolicy)
{
m_attachmentsOperation = attachmentsOperation;
m_attachmentsFilter = attachmentsFilter;
m_attachmentsSynchronizationPolicy = attachmentsSynchronizationPolicy;
}
protected virtual bool NeedDownload(
string attachment,
TisAttachmentsSynchronizationPolicy attachmentsComparePolicy)
{
return(AreLocalAndSourceDifferent(
attachment,
attachmentsComparePolicy
));
}
// TO_DO: Change to internal and move to client....
public virtual ITisAttachmentsSynchronizationContext AddAttachmentsSynchronizationContext(
TisAttachmentsOperation attachmentsOperation,
ITisAttachmentsFilter attachmentsFilter,
TisAttachmentsSynchronizationPolicy attachmentsSynchronizationPolicy)
{
ITisAttachmentsSynchronizationContext attachmentsSynchronizationContext = new AttachmentsSynchronizationContext(
attachmentsOperation,
attachmentsFilter,
attachmentsSynchronizationPolicy);
AddAttachmentsSynchronizationContext(attachmentsSynchronizationContext);
return(attachmentsSynchronizationContext);
}
protected virtual bool NeedUpload(
string attachment,
TisAttachmentsSynchronizationPolicy attachmentsComparePolicy)
{
// Don't need to save if local file not exists
if (!System.IO.File.Exists(GetLocalFileName(attachment)))
{
return(false);
}
// Return true if files are different
return(AreLocalAndSourceDifferent(
attachment,
attachmentsComparePolicy));
}
private bool AreLocalAndSourceDifferent(
string attachemnt,
TisAttachmentsSynchronizationPolicy attachmentsComparePolicy)
{
if (attachmentsComparePolicy == TisAttachmentsSynchronizationPolicy.None)
{
return(true);
}
string localFileName = GetLocalFileName(attachemnt);
FileInfo oFileInfo = new FileInfo(localFileName);
if (!oFileInfo.Exists)
{
// No local file = different
return(true);
}
ITisAttachmentInfo oRemoteAttInfo =
m_RemoteAttachmentsInfo.GetAttachmentInfo(attachemnt);
if (oRemoteAttInfo == null)
{
// No remote attachment = different
return(true);
}
if (attachmentsComparePolicy == TisAttachmentsSynchronizationPolicy.LocalNew)
{
return(oFileInfo.LastWriteTime > oRemoteAttInfo.LastModified);
}
if (attachmentsComparePolicy == TisAttachmentsSynchronizationPolicy.RemoteNew)
{
return(oFileInfo.LastWriteTime < oRemoteAttInfo.LastModified);
}
if (oFileInfo.LastWriteTime != oRemoteAttInfo.LastModified ||
oFileInfo.Length != oRemoteAttInfo.SizeBytes)
{
// Different modify time -> different
return(true);
}
// The same
return(false);
}
