internal async Task DeleteThisItemAsync(DavFolder parentFolder)
{
await Context.ExecuteNonQueryAsync(
"DELETE FROM Item WHERE ItemId = @ItemID",
"@ItemID", ItemId);
if (parentFolder != null)
{
await parentFolder.UpdateModifiedAsync();
}
}
internal async Task MoveThisItemAsync(DavFolder destFolder, string destName, DavFolder parent)
{
string command =
@"UPDATE Item SET
Name = @Name,
ParentItemId = @Parent
WHERE ItemId = @ItemID";
await Context.ExecuteNonQueryAsync(
command,
"@ItemID", ItemId,
"@Name", destName,
"@Parent", destFolder.ItemId);
command = @"DELETE FROM Lock WHERE ItemID = @ItemID";
await Context.ExecuteNonQueryAsync(
command,
"@ItemID", ItemId);
await parent.UpdateModifiedAsync();
await destFolder.UpdateModifiedAsync();
}
internal async Task <DavFolder> CopyThisItemAsync(DavFolder destFolder, DavHierarchyItem destItem, string destName)
{
// returns created folder, if any, otherwise null
DavFolder createdFolder = null;
Guid destID;
if (destItem == null)
{
// copy item
string commandText =
@"INSERT INTO Item(
ItemId
, Name
, Created
, Modified
, ParentItemId
, ItemType
, Content
, ContentType
, SerialNumber
, TotalContentLength
, LastChunkSaved
, FileAttributes
)
SELECT
@Identity
, @Name
, GETUTCDATE()
, GETUTCDATE()
, @Parent
, ItemType
, Content
, ContentType
, SerialNumber
, TotalContentLength
, LastChunkSaved
, FileAttributes
FROM Item
WHERE ItemId = @ItemId";
destID = Guid.NewGuid();
await Context.ExecuteNonQueryAsync(
commandText,
"@Name", destName,
"@Parent", destFolder.ItemId,
"@ItemId", ItemId,
"@Identity", destID);
await destFolder.UpdateModifiedAsync();
if (this is IFolderAsync)
{
createdFolder = new DavFolder(
Context,
destID,
destFolder.ItemId,
destName,
destFolder.Path + EncodeUtil.EncodeUrlPart(destName) + "/",
DateTime.UtcNow,
DateTime.UtcNow, fileAttributes);
}
}
else
{
// update existing destination
destID = destItem.ItemId;
string commandText = @"UPDATE Item SET
Modified = GETUTCDATE()
, ItemType = src.ItemType
, ContentType = src.ContentType
FROM (SELECT * FROM Item WHERE ItemId=@SrcID) src
WHERE Item.ItemId=@DestID";
await Context.ExecuteNonQueryAsync(
commandText,
"@SrcID", ItemId,
"@DestID", destID);
// remove old properties from the destination
await Context.ExecuteNonQueryAsync(
"DELETE FROM Property WHERE ItemID = @ItemID",
"@ItemID", destID);
}
// copy properties
string command =
@"INSERT INTO Property(ItemID, Name, Namespace, PropVal)
SELECT @DestID, Name, Namespace, PropVal
FROM Property
WHERE ItemID = @SrcID";
await Context.ExecuteNonQueryAsync(
command,
"@SrcID", ItemId,
"@DestID", destID);
return(createdFolder);
}