private async Task UpdateTaskCacheForListId(string listId, DateTime?lastSync, DateTime currentSync, bool includeCompletedTasks)
{
var response = await _taskApiClient.GetTasksByListIdAsync(listId, lastSync, includeCompletedTasks).ConfigureAwait(false);
var tasks = _responseParser.GetTasks(response);
if (lastSync != null)
{
await _taskCache.AddOrReplaceAsync(listId, tasks).ConfigureAwait(false);
var deletedTasks = _responseParser.GetDeletedTasks(response);
await _taskCache.RemoveAsync(deletedTasks).ConfigureAwait(false);
}
else
{
await _taskCache.AddOrReplaceAsync(listId, tasks, true).ConfigureAwait(false);
}
_syncTracker.SetLastSync(listId, currentSync);
foreach (var task in tasks)
{
if (!task.ListId.Equals(listId))
{
// The current list is not this task's master list. We'll need to ensure that the master list is also synchronized so that we have
// all subtask information.
var masterListLastSync = _syncTracker.GetLastSync(task.ListId);
if (masterListLastSync == null || masterListLastSync.Value < currentSync)
{
await UpdateTaskCacheForListId(task.ListId, masterListLastSync, currentSync, includeCompletedTasks).ConfigureAwait(false);
}
}
}
}
