private async Task <IList <JiraIssue> > DownloadIssues(int boardId, bool forceReload, Action <float> progressUpdateCallback)
{
var boardConfig = await GetBoardConfiguration(boardId);
var filter = await _metadataRetriever.GetFilterDefinition(boardConfig.Filter.Id);
if (_boardCaches.ContainsKey(boardId) == false)
{
_boardCaches[boardId] = _applicationCache.GetAgileBoardCache(boardId);
}
var boardCache = _boardCaches[boardId];
if (forceReload)
{
boardCache.Invalidate();
}
var issues = await _issuesFinder.Search(boardCache.PrepareSearchStatement(filter.Jql), progressUpdateCallback);
issues = await boardCache.UpdateCache(issues);
return(issues);
}