public TContext ProcessCommand(TContext context, CommandEvent commandEvent)
{
// Parse
TournamentCommand commandName;
if (!Enum.TryParse <TournamentCommand>(commandEvent.Name, out commandName))
{
throw new Exception(String.Format("Unknown command name: {0}", commandEvent.Name));
}
// Dispatch
switch (commandName)
{
case TournamentCommand.CreateTournament:
return(CreateTournament(context, commandEvent));
case TournamentCommand.AddPlayer:
return(AddPlayer(context, commandEvent));
case TournamentCommand.RemovePlayer:
return(RemovePlayer(context, commandEvent));
case TournamentCommand.RecordMatchResults:
return(RecordMatchResults(context, commandEvent));
case TournamentCommand.EndRound:
return(EndRound(context, commandEvent));
default:
throw new Exception(String.Format("Unhandled TournamentCommand: {0}", commandName));
}
}
TContext EndRound(TContext context, CommandEvent commandEvent)
{
var command = new EndRoundCommand();
return(Fire(
context,
TournamentCommand.EndRound,
() => ContextBuilder.ProcessCommand(context, command)
));
}
TContext RemovePlayer(TContext context, CommandEvent commandEvent)
{
var player = new Player(commandEvent.Properties["Player"], null);
var command = new RemovePlayerCommand(player);
return(Fire(
context,
TournamentCommand.RemovePlayer,
() => ContextBuilder.ProcessCommand(context, command)
));
}
TContext CreateTournament(TContext context, CommandEvent commandEvent)
{
var timestamp = DateTimeOffset.Parse(commandEvent.Properties["Timestamp"]);
var command = new CreateTournamentCommand(timestamp);
return(Fire(
context,
TournamentCommand.CreateTournament,
() => ContextBuilder.ProcessCommand(context, command)
));
}
TContext RecordMatchResults(TContext context, CommandEvent commandEvent)
{
var player = new Player(commandEvent.Properties["Player"], null);
int winsValue;
int?wins = null;
if (commandEvent.Properties.ContainsKey("Wins") && Int32.TryParse(commandEvent.Properties["Wins"], out winsValue))
{
wins = winsValue;
}
int lossesValue;
int?losses = null;
if (commandEvent.Properties.ContainsKey("Losses") && Int32.TryParse(commandEvent.Properties["Losses"], out lossesValue))
{
losses = lossesValue;
}
int drawsValue;
int?draws = null;
if (commandEvent.Properties.ContainsKey("Draws") && Int32.TryParse(commandEvent.Properties["Draws"], out drawsValue))
{
draws = drawsValue;
}
var command = new RecordMatchResultsCommand(player, wins, losses, draws);
return(Fire(
context,
TournamentCommand.RecordMatchResults,
() => ContextBuilder.ProcessCommand(context, command)
));
}
