public async Task SavePlayerAsync(Player player)
{
var existingPlayerForGamertag = await _context.Players.SingleOrDefaultAsync(p => p.Gamertag == player.Gamertag);
if (existingPlayerForGamertag != null && existingPlayerForGamertag.UserId != player.UserId)
{
// Can't use a gamertag from another user
_logger.LogDebug("Save player - gamertag already in use: UserId '{0}', Gamertag '{1}'", player.UserId, player.Gamertag);
throw new Exception("gamertag is already in use");
}
// add only if the player does not exist
PlayerEntity entity = player.UserId == null
? null
: await _context.Players.SingleOrDefaultAsync(p => p.Gamertag == player.Gamertag);
if (entity == null)
{
_logger.LogDebug("Add player: UserId '{0}', Gamertag '{1}'", player.UserId, player.Gamertag);
await _context.Players.AddAsync(new PlayerEntity
{
UserId = player.UserId,
Gamertag = player.Gamertag,
Country = player.Country,
CustomTag = player.CustomTag,
});
await _context.SaveChangesAsync();
}
else
{
if (player.Gamertag != entity.Gamertag)
{
// Can't change gamertag
_logger.LogDebug("Save player - cannot change gamertag: UserId '{0}', Gamertag '{1}'", player.UserId, player.Gamertag);
throw new Exception("Cannot change gamertag");
}
_logger.LogDebug("Update player: UserId '{0}', Gamertag '{1}'", player.UserId, player.Gamertag);
entity.Gamertag = player.Gamertag;
entity.Country = player.Country;
entity.CustomTag = player.CustomTag;
await _context.SaveChangesAsync();
}
}
private async Task AddPlayerToGroupAsync(string groupName, string gamertag)
{
if (string.IsNullOrEmpty(groupName))
{
throw new ArgumentException($"{nameof(groupName)} is required");
}
if (string.IsNullOrEmpty(gamertag))
{
throw new ArgumentException($"{nameof(gamertag)} is required");
}
PlayerEntity dbPlayer = await _context.Players
.Where(p => p.Gamertag == gamertag)
.FirstOrDefaultAsync();
if (dbPlayer == null)
{
throw new ArgumentException($"player '{gamertag}' does not exist", nameof(gamertag));
}
GroupEntity dbGroup = await _context.Groups
.Where(g => g.Name == groupName)
.FirstOrDefaultAsync();
if (dbGroup == null)
{
throw new ArgumentException($"group '{groupName}' does not exist", nameof(groupName));
}
await _context.PlayerGroups.AddAsync(new PlayerGroupEntity
{
Gamertag = gamertag,
GroupName = groupName
});
await _context.SaveChangesAsync();
}
