public LunchOptionViewModel(int pollId, LunchOption lo, IEnumerable<LunchVote> votes)
{
Id = lo.Id;
PollId = pollId;
Name = lo.Name;
var vLookup = votes.ToLookup(v => v.Score, v => v.User.UserName);
Upvotes = vLookup[1].OrderBy(n => n).ToList();
Downvotes = vLookup[-1].OrderBy(n => n).ToList();
}
public static void OnVote(int pollId, LunchOption option, IEnumerable<LunchVote> votes)
{
OnVote(new LunchOptionViewModel(pollId, option, votes));
}
public async Task<LunchOption> GetOrAddOption(DatabaseContext dbContext, string name)
{
var option = await dbContext.LunchOptions.SingleOrDefaultAsync(o => o.Name == name);
if (option == null)
{
option = new LunchOption { Name = name };
dbContext.LunchOptions.Add(option);
}
return option;
}