public MessagesController()
{
_bot = new FccBot();
}
public static async Task Handle(IFccBot bot, Activity activity)
{
try
{
if (bot == null)
{
throw new ArgumentNullException(nameof(bot));
}
if (activity == null)
{
throw new ArgumentNullException(nameof(activity));
}
if (activity.Text != null && activity.Text.Split(' ').Any(x => x.ToLowerInvariant() == FccBotCommands.GOOD_BYE || x.ToLowerInvariant() == FccBotCommands.BYE))
{
activity.Type = ActivityTypes.DeleteUserData;
}
// Global values
if (activity.Type == ActivityTypes.Message)
{
bot.SetState(new FccBotState(activity));
var data = bot.State.UserData;
string text = null;
// Handle invalid attachments
if (activity.Attachments.Count > 1 ||
(activity.Attachments.Count == 1 && !activity.Attachments.First().ContentType.Contains("image")))
{
throw new InvalidOperationException(Response.I_CAN_HANDLE_ONLY_ONE_ATT);
}
// Process a single image attachment
if (activity.Attachments.Count == 1 && activity.Attachments.First().ContentType.Contains("image"))
{
text = await bot.RespondOnImage(activity.Attachments[0]);
}
// Create text for a reply message
if (text == null)
{
text = bot.RespondOnAnyTextWithText(data, activity);
}
// Save BotUserData
bot.State.SetUserData(data);
// Create a reply message
await bot.CreateTextReply(activity, text);
}
else
{
await bot.CreateHandleSystemMessageReply(activity);
}
}
catch (Exception ex)
{
// Create an error reply message
await bot.CreateTextReply(activity, String.Format(Response.WHOOPS_STH_WENT_WRONG_HERES_THE_ERROR, ex.Message));
}
}