private async Task <QueryResult <BaseItem> > GetChildrenSorted(Folder folder, User user, SortCriteria sort, int?startIndex, int?limit)
{
if (folder is UserRootFolder)
{
var result = await _userViewManager.GetUserViews(new UserViewQuery
{
UserId = user.Id.ToString("N")
}, CancellationToken.None).ConfigureAwait(false);
return(ToResult(result, startIndex, limit));
}
var view = folder as UserView;
if (view != null)
{
var result = await GetUserViewChildren(view, user, sort).ConfigureAwait(false);
return(ToResult(result, startIndex, limit));
}
var channel = folder as Channel;
if (channel != null)
{
try
{
// Don't blow up here because it could cause parent screens with other content to fail
return(await _channelManager.GetChannelItemsInternal(new ChannelItemQuery
{
ChannelId = channel.Id.ToString("N"),
Limit = limit,
StartIndex = startIndex,
UserId = user.Id.ToString("N")
}, CancellationToken.None));
}
catch
{
// Already logged at lower levels
}
}
var channelFolderItem = folder as ChannelFolderItem;
if (channelFolderItem != null)
{
try
{
// Don't blow up here because it could cause parent screens with other content to fail
return(await _channelManager.GetChannelItemsInternal(new ChannelItemQuery
{
ChannelId = channelFolderItem.ChannelId,
FolderId = channelFolderItem.Id.ToString("N"),
Limit = limit,
StartIndex = startIndex,
UserId = user.Id.ToString("N")
}, CancellationToken.None));
}
catch
{
// Already logged at lower levels
}
}
return(ToResult(GetPlainFolderChildrenSorted(folder, user, sort), startIndex, limit));
}
private async Task GetAllItems(string user, string channelId, string folderId, int currentRefreshLevel, int maxRefreshLevel, IProgress <double> progress, CancellationToken cancellationToken)
{
var folderItems = new List <string>();
var innerProgress = new ActionableProgress <double>();
innerProgress.RegisterAction(p => progress.Report(p / 2));
var result = await _channelManager.GetChannelItemsInternal(new ChannelItemQuery
{
ChannelId = channelId,
UserId = user,
FolderId = folderId
}, innerProgress, cancellationToken);
folderItems.AddRange(result.Items.Where(i => i.IsFolder).Select(i => i.Id.ToString("N")));
var totalRetrieved = result.Items.Length;
var totalCount = result.TotalRecordCount;
while (totalRetrieved < totalCount)
{
result = await _channelManager.GetChannelItemsInternal(new ChannelItemQuery
{
ChannelId = channelId,
UserId = user,
StartIndex = totalRetrieved,
FolderId = folderId
}, new Progress <double>(), cancellationToken);
folderItems.AddRange(result.Items.Where(i => i.IsFolder).Select(i => i.Id.ToString("N")));
totalRetrieved += result.Items.Length;
totalCount = result.TotalRecordCount;
}
progress.Report(50);
if (currentRefreshLevel < maxRefreshLevel)
{
var numComplete = 0;
var numItems = folderItems.Count;
foreach (var folder in folderItems)
{
try
{
innerProgress = new ActionableProgress <double>();
var startingNumberComplete = numComplete;
innerProgress.RegisterAction(p =>
{
double innerPercent = startingNumberComplete;
innerPercent += (p / 100);
innerPercent /= numItems;
progress.Report((innerPercent * 50) + 50);
});
await GetAllItems(user, channelId, folder, currentRefreshLevel + 1, maxRefreshLevel, innerProgress, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error getting channel content", ex);
}
numComplete++;
double percent = numComplete;
percent /= numItems;
progress.Report((percent * 50) + 50);
}
}
progress.Report(100);
}
