async System.Threading.Tasks.Task ProcessTags(AsanaTask task)
{
var currentTags = SelectedTags.Select(x => x.id).ToList();
var tagsToAdd = new List <long>();
var tagsToRemove = new List <long>();
foreach (var tag in currentTags)
{
if (!OldTagsIds.Contains(tag))
{
tagsToAdd.Add(tag);
}
}
foreach (var tag in OldTagsIds)
{
if (!currentTags.Contains(tag))
{
tagsToRemove.Add(tag);
}
}
var taskTags = await new StorageService().GetTaskTagsByTask(task.id);
var forInsert = new List <AsanaTagTask>();
var forDelete = new List <AsanaTagTask>();
foreach (var l in tagsToAdd)
{
var response = await new AsanaRespository().AddTag(task.id, l);
if (AsanaClient.ProcessResponse(response, true))
{
var link = new AsanaTagTask()
{
TagId = l, TaskId = task.id, id = Guid.NewGuid().GetHashCode()
};
forInsert.Add(link);
}
}
foreach (var l in tagsToRemove)
{
var response = await new AsanaRespository().RemoveTag(task.id, l);
if (AsanaClient.ProcessResponse(response, true))
{
var link = taskTags.FirstOrDefault(x => x.TagId == l);
if (link != null)
{
forDelete.Add(link);
}
}
}
foreach (var asanaTagTask in forInsert)
{
await new StorageService().Insert(asanaTagTask);
}
foreach (var asanaTagTask in forDelete)
{
await new StorageService().Delete(asanaTagTask);
}
}