public void AddTeam(Team team)
{
using (var context = new HockeyContext())
{
context.Database.Log = s => Debug.WriteLine(s);
foreach (var player in team.Players)
{
if (player == null)
throw new ArgumentNullException(nameof(player), "all players in a team must not be null");
var newPlayer = context.Players.FirstOrDefault(p => p.FirstName == player.FirstName && p.LastName == player.LastName);
if (newPlayer != null)
{
player.Id = newPlayer.Id;
context.Entry(newPlayer).State = EntityState.Detached;
context.Players.Attach(player);
}
if (player.Id > 0)
context.Players.Attach(player);
foreach (var position in player.Positions)
{
context.Positions.Attach(position);
}
}
context.Teams.Add(team);
context.SaveChanges();
}
}
public void AddPosition(string name)
{
using (var context = new HockeyContext())
{
var newPosition = new Position { Name = name };
context.Positions.Add(newPosition);
context.SaveChanges();
}
}
public void DeleteAllData()
{
using (var context = new HockeyContext())
{
var teams = context.Teams.Include(t => t.Players).ToList();
var players = context.Players.Include(p => p.Positions);
context.Teams.RemoveRange(teams);
context.Players.RemoveRange(players);
context.SaveChanges();
}
}
public void AddPlayer(Player player)
{
using (var context = new HockeyContext())
{
//context.Database.Log = s => Debug.WriteLine(s);
//if (player.Position?.Name != null && player.Position.Id == 0)
// player.Position = context.Positions.FirstOrDefault(p => p.Name == player.Position.Name);
context.Players.Add(player);
context.SaveChanges();
}
}