public async Task <ReadOnlyCollection <AllClubsResult> > GetAllClubsAsync()
{
if (_allClubsResult == null)
{
_allClubsResult = await _clubRepository.GetAllClubsAsync();
if (_allClubsResult != null && _allClubsResult.Count > 0)
{
_allClubsResultDate = DateTime.Now;
}
}
return(_allClubsResult);
}