private static void CalculateRankings(GrapplingContext context)
{
var matchesByYear = context.Matches.OrderBy(match => match.Year);
foreach (var match in matchesByYear)
{
var scoreDifference = ScoreCalculator
.CalculateEloPoints(match.Result, match.Fighter1.Score, match.Fighter2.Score);
match.Fighter1.Score += scoreDifference;
match.Fighter2.Score -= scoreDifference;
}
context.SaveChanges();
var index = 1;
context.Fighters
.OrderByDescending(fighter => fighter.Score)
.ToList()
.ForEach(fighter => fighter.Rank = index++);
context.SaveChanges();
}
public static void Initialize(GrapplingContext context)
{
context.Database.EnsureCreated();
if (context.Fighters.Any())
{
return;
}
var(fighters, matches) = BjjHeroesImporter.Import();
context.Fighters.AddRange(fighters);
context.Matches.AddRange(matches);
context.SaveChanges();
CalculateRankings(context);
}