public WhenHandler(
SlackBot bot,
Func <Message, Task <Match[]> > matchGenerator,
Func <Message, Match[], Task <(bool success, Exception ex)> > messageHandler)
internal static async Task <SlackBot> InitializeAsync(IDriver driver, IMessageBus bus, Action <ISlackBotConfig> config = null)
{
var defaultConfig = new DefaultSlackBotConfig();
config?.Invoke(defaultConfig);
var logger = defaultConfig.LoggerFactory.CreateLogger <SlackBot>();
var state = await driver.ConnectAsync(bus, logger);
var bot = new SlackBot(state, driver, bus, defaultConfig, logger);
bot.On <IHubJoined>(msg =>
{
bot.state.AddHub(msg.Channel.Id, msg.Channel.Name, msg.HubType);
logger.LogInformation($"Joined hub {msg.Channel.Name} (Id: {msg.Channel.Id})");
});
bot.On <IHubLeft>(msg =>
{
logger.LogInformation($"Left hub {bot.state.GetHubById(msg.Channel).Name}");
bot.state.RemoveHub(msg.Channel);
});
// Handle .When setups
bot.On <Message>(async msg =>
{
// Ignore messages with reply_to that is set.
// They appear to be sent after the initial connection that the bot establishes.
if (!string.IsNullOrEmpty(msg.ReplyTo))
{
return;
}
(decimal score, Match[] matches, WhenHandler handler)bestMatch = (-1m, null, null);
foreach (var handler in bot.whenHandlers)
{
var matches = new Match[0];
try
{
matches = await handler.MatchGenerator.Invoke(msg);
}
catch (Exception exception)
{
handler.OnException(msg, exception);
}
if (matches == null)
{
continue;
}
decimal score = matches.Sum(m => m.Score);
if (score < 0)
{
continue;
}
if (bot.config.WhenHandlerMatchMode == WhenHandlerMatchMode.AllMatches || bot.config.WhenHandlerMatchMode == WhenHandlerMatchMode.FirstMatch)
{
var(success, ex) = await handler.MessageHandler(msg, matches);
if (ex != null)
{
handler.OnException(msg, ex);
}
if (success && bot.config.WhenHandlerMatchMode == WhenHandlerMatchMode.FirstMatch)
{
break;
}
}
if (score > bestMatch.score)
{
bestMatch = (score, matches, handler);
}
}
if (bot.config.WhenHandlerMatchMode == WhenHandlerMatchMode.BestMatch && bestMatch.handler != null)
{
await bestMatch.handler.MessageHandler(msg, bestMatch.matches);
}
});
return(bot);
}
internal Conversation(SlackBot bot, Modes modes, Message message, Match[] matches)
: this(bot, modes, message, matches, new CancellationTokenSource())
{
}
