private Player GetPlayerFromReactionEventOrNull(
IReadOnlyTournamentState currentTournament,
IGuildUser user,
ulong messageId,
string emojiName,
out string errorMessage)
{
errorMessage = null;
if (currentTournament == null ||
!currentTournament.IsJoinTeamMessage(messageId) ||
!currentTournament.TryGetTeamFromSymbol(emojiName, out Team team))
{
// Ignore reactions added/removed from non-team messages.
return(null);
}
// TODO: since we have the message ID it's unlikely we need to verify the guild, but we should double check.
if (user.Id == this.Client.CurrentUser.Id)
{
errorMessage = BotStrings.BotCannotJoinAsPlayer;
return(null);
}
ulong userId = user.Id;
if (currentTournament.IsDirector(userId))
{
errorMessage = BotStrings.TournamentDirectorCannotJoinAsPlayer;
return(null);
}
if (currentTournament.IsReader(userId))
{
errorMessage = BotStrings.ReaderCannotJoinAsPlayer;
return(null);
}
Player player = new Player()
{
Id = userId,
Team = team
};
return(player);
}
