public async Task OnMessageReceived(SlackMessage message)
{
if (string.IsNullOrEmpty(message?.Text))
{
return;
}
if (message.Text.StartsWith("!"))
{
var split = message.Text.Split(new[] { ' ' });
var command = split[0];
ITriggerArguments arguments = null;
if (split.Length > 1)
{
arguments = new TriggerArguments(split.Skip(1).Take(split.Length - 1).ToArray());
}
if (_triggers.Keys.Contains(command))
{
using (var context = new SlackerDbContextFactory().CreateDbContext(null))
{
await _triggers[command](arguments, _connection, message.ChatHub, context);
}
}
}
else
{
if (message.User.IsBot)
{
return;
}
// ReSharper disable once AssignNullToNotNullAttribute
using (var context = new SlackerDbContextFactory().CreateDbContext(null))
{
context.Messages.Add(new Message
{
Content = message.Text,
User = message.User.Name,
Created = DateTime.UtcNow
});
await context.SaveChangesAsync();
}
}
}
public Task Execute(ITriggerArguments arguments, ISlackConnection connection, SlackChatHub chatHub, SlackerContext context)
{
if (arguments == null || arguments.Arguments.Length != 1)
{
connection.Say(new BotMessage
{
ChatHub = chatHub,
Text = "Usage: !talk <user>"
});
return(Task.CompletedTask);
}
var user = arguments.Arguments[0];
var messages = context.Messages.Where(x => x.User == user && x.Content.Length > 10);
if (!messages.Any())
{
connection.Say(new BotMessage
{
ChatHub = chatHub,
Text = $"There aren't enough messages by {arguments.Arguments[0]} to go on"
});
return(Task.CompletedTask);
}
var chain = new MarkovChain <string>(1);
foreach (var message in messages)
{
chain.Add(message.Content.Split(new[] { ' ' }), 1);
}
var random = new Random(DateTime.UtcNow.Millisecond);
var stringBuilder = new StringBuilder(GetRandomMessageStart(user, random));
stringBuilder.Append(">" + string.Join(" ", chain.Chain(random)));
connection.Say(new BotMessage
{
ChatHub = chatHub,
Text = stringBuilder.ToString()
});
return(Task.CompletedTask);
}
