public void UpdateAttachmentInfo(string attachmentName, ITisAttachmentInfo attachmentInfo)
{
if (m_oNameToInfoMap.Contains(attachmentName))
{
m_oNameToInfoMap[attachmentName] = attachmentInfo;
}
}
private bool IsSmallRemoteAttachment(string sAttachment)
{
ITisAttachmentInfo oAttInfo =
m_RemoteAttachmentsInfo.CheckedGetAttachmentInfo(sAttachment);
if (IsSmallAttachment(oAttInfo.SizeBytes))
{
return(true);
}
return(false);
}
public ITisAttachmentInfo CheckedGetAttachmentInfo(
string sAttachmentName)
{
ITisAttachmentInfo oInfo = GetAttachmentInfo(sAttachmentName);
if (oInfo == null)
{
throw new TisException("No {0} entry found for sAttachmentName={1}",
typeof(ITisAttachmentInfo),
sAttachmentName);
}
return(oInfo);
}
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);
}
protected virtual void DownloadAttachment(
string sAttachment,
bool forceOperation = false,
bool IsChunkedMode = false)
{
// Obtain local file name
string sLocalFileName =
GetLocalFileName(sAttachment);
// Download attachment in most optimal way
if (IsSmallRemoteAttachment(sAttachment))
{
GetSmallAttachment(sLocalFileName, sAttachment);
}
else
{
GetLargeAttachment(sLocalFileName, sAttachment);
}
// Update local file LastWriteTime according to remote file
// In order to allow comparison later
ITisAttachmentInfo oAttInfo = m_RemoteAttachmentsInfo.CheckedGetAttachmentInfo(sAttachment);
FileInfo oDownloadedFileInfo = new FileInfo(sLocalFileName);
try
{
oDownloadedFileInfo.LastWriteTime = oAttInfo.LastModified;
}
// File maybe write by other process, so leave the LastWriteTime
catch (System.IO.IOException)
{
}
// Register attachment in downloaded attachments list
RegisterDownloadedAttachment(sAttachment);
}
public ITisAttachmentInfo[] QueryAttachmentsInfo(string attachmentNameFilter, string attachmentTypeFilter)
{
string sNameFilterToUse = "*";
string typeFilterToUse = "*";
if (StringUtil.IsStringInitialized(attachmentNameFilter))
{
sNameFilterToUse = attachmentNameFilter;
}
if (StringUtil.IsStringInitialized(attachmentTypeFilter))
{
typeFilterToUse = attachmentTypeFilter;
}
// Create filter
string filter = String.Format(
"{0}.{1}",
sNameFilterToUse,
typeFilterToUse);
// Perform query
List <StorageInfo> storagesInfo = new List <StorageInfo>(
m_SourceStorage.QueryStorageInfo(String.Empty, filter, StorageInfoFlags.Size | StorageInfoFlags.LastModified));
string[] subDirs = m_SourceStorage.QuerySubDirs(String.Empty, true);
foreach (var subdir in subDirs)
{
StorageInfo[] subDirsStoragesInfo =
m_SourceStorage.QueryStorageInfo(subdir, filter, StorageInfoFlags.Size | StorageInfoFlags.LastModified);
foreach (StorageInfo storageInfo in subDirsStoragesInfo)
{
storagesInfo.Add(new StorageInfo(
Path.Combine(subdir, storageInfo.Name),
storageInfo.SizeBytes,
storageInfo.CRC32,
storageInfo.LastModified,
storageInfo.DataFlags));
}
}
ITisAttachmentInfo[] attachmentInfoArray = new ITisAttachmentInfo[storagesInfo.Count];
// Repack IBLOBInfo to ITisAttachmentInfo
for (int i = 0; i < storagesInfo.Count; i++)
{
IStorageInfo storageInfo = storagesInfo[i];
attachmentInfoArray[i] = new AttachmentInfo(
storageInfo.Name,
AttachmentsUtil.GetAttachmentType(storageInfo.Name),
storageInfo.SizeBytes,
storageInfo.LastModified,
storageInfo.CRC32);
}
return(attachmentInfoArray);
}
