public void Add([NotNull] WallItem item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
_items.Add(item);
item.Clicked += OnItemClicked;
}
public void Remove([NotNull] WallItem item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (_items.Contains(item))
{
_items.Remove(item);
item.Clicked -= OnItemClicked;
}
}
protected virtual void OnClicked(WallItem e)
{
Clicked?.Invoke(this, e);
}
protected void OnItemClicked(object sender, WallItem e)
{
ItemClicked?.Invoke(this, e);
}
public async Task <AvailableWallsInfo> FillAsync(WallList wallList)
{
var groupsGetTask = _groupsGet.GetAsync(QueryParameters.New()
.Add("filter", "editor")
.Add("fields", "description"));
var usersGetTask = _usersGet.GetAsync(QueryParameters.New()
.Add("fields", "first_name,last_name,photo_50,photo_200"));
await Task.WhenAll(groupsGetTask, usersGetTask);
var groups = groupsGetTask.Result;
if (groups.Content == null)
{
return(new AvailableWallsInfo {
Succeed = false,
ErrorMessage = "Groups not found"
});
}
var users = usersGetTask.Result;
if (users.Content == null)
{
return(new AvailableWallsInfo {
Succeed = false,
ErrorMessage = "No users found at all"
});
}
var user = users.Content.FirstOrDefault();
if (user == null)
{
return(new AvailableWallsInfo {
Succeed = false,
ErrorMessage = "User not found"
});
}
//todo: get rid of workaround
var item = new WallItem(new EmptyWallHolder {
Name = user.Name,
ID = Math.Abs(user.ID),
Description = user.Description,
Photo200 = user.Photo200,
Photo50 = user.Photo50
});
wallList.Clear();
wallList.Add(item);
foreach (var group in groups.Content.Groups)
{
group.ID = -group.ID;
wallList.Add(new WallItem(group));
}
return(new AvailableWallsInfo {
Succeed = true
});
}