/// <summary>
/// Handles each individual message inside a webhook payload (webhook may deliver more than one message at a time).
/// </summary>
/// <param name="message">The message to be processed.</param>
/// <returns>An Activity with the result.</returns>
public static Activity ProcessSingleMessage(FacebookMessage message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (message.Sender == null && message.OptIn?.UserRef != null)
{
message.Sender = new FacebookBotUser {
Id = message.OptIn?.UserRef
};
}
var activity = new Activity()
{
ChannelId = "facebook",
Timestamp = default,
/// <summary>
/// Handles each individual message inside a webhook payload (webhook may deliver more than one message at a time).
/// </summary>
/// <param name="message">The message to be processed.</param>
/// <returns>An Activity with the result.</returns>
public static Activity ProcessSingleMessage(FacebookMessage message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (message.Sender == null && message.OptIn?.UserRef != null)
{
message.Sender = new FacebookBotUser {
Id = message.OptIn?.UserRef
};
}
var activity = new Activity()
{
ChannelId = "facebook",
Timestamp = new DateTime(),
Conversation = new ConversationAccount()
{
Id = message.Sender?.Id,
},
From = new ChannelAccount()
{
Id = message.Sender?.Id,
Name = message.Sender?.Id,
},
Recipient = new ChannelAccount()
{
Id = message.Recipient.Id,
Name = message.Recipient.Id,
},
ChannelData = message,
Type = ActivityTypes.Event,
Text = null,
};
if (message.Message != null)
{
activity.Type = ActivityTypes.Message;
activity.Text = message.Message.Text;
if (activity.GetChannelData <FacebookMessage>().Message.IsEcho)
{
activity.Type = ActivityTypes.Event;
}
// copy all fields (like attachments, sticker, quick_reply, nlp, etc.)
activity.ChannelData = message.Message;
if (message.Message.Attachments != null && message.Message.Attachments.Count > 0)
{
activity.Attachments = HandleMessageAttachments(message.Message);
}
}
else if (message.PostBack != null)
{
activity.Type = ActivityTypes.Message;
activity.Text = message.PostBack.Payload;
}
return(activity);
}