/// <summary>
/// Returns the currently selected contents by the user
/// </summary>
/// <param name="user">The user to look for it's contents</param>
/// <returns>List of ContentCheck by whether the content are selected or not</returns>
private async Task <List <ContentCheck> > GetContentChecksOfUser(AppUser user)
{
var result = new List <ContentCheck>();
var selectedContents = await _studentService.GetUserSelectedContentsAsync(user);
foreach (var content in await _contentsService.GetContentsAsync())
{
result.Add(new ContentCheck()
{
Content = content,
isChecked = selectedContents.Any(c => c.Id == content.Id)
});
}
return(result.Shuffle());
}