/// <summary>
/// Creates Twilio SMS message options object from a Bot Framework <see cref="Activity"/>.
/// </summary>
/// <param name="activity">The activity.</param>
/// <param name="twilioNumber">Optional. The Twilio phone number assigned to the bot. If not provided, defaults to Activity.From.Id to allow WhatsApp and other future integrations.</param>
/// <returns>The Twilio message options object.</returns>
/// <seealso cref="TwilioAdapter.SendActivitiesAsync(ITurnContext, Activity[], System.Threading.CancellationToken)"/>
public static TwilioMessageOptions ActivityToTwilio(Activity activity, string twilioNumber = null)
{
if (activity == null)
{
throw new ArgumentNullException(nameof(activity));
}
if (string.IsNullOrWhiteSpace(twilioNumber) && string.IsNullOrWhiteSpace(activity.From?.Id))
{
throw new ArgumentException($"Either {nameof(twilioNumber)} or {nameof(activity.From.Id)} must be provided.");
}
var mediaUrls = new List <Uri>();
if (activity.Attachments != null)
{
mediaUrls.AddRange(activity.Attachments.Select(attachment => new Uri(attachment.ContentUrl)));
}
var messageOptions = new TwilioMessageOptions()
{
To = activity.Conversation.Id,
ApplicationSid = activity.Conversation.Id,
From = twilioNumber ?? activity.From.Id,
Body = activity.Text
};
messageOptions.MediaUrl.AddRange(mediaUrls);
return(messageOptions);
}
/// <summary>
/// Sends a Twilio SMS message.
/// </summary>
/// <param name="messageOptions">An object containing the parameters for the message to send.</param>
/// <param name="cancellationToken">A cancellation token for the task.</param>
/// <returns>The SID of the Twilio message sent.</returns>
public virtual async Task <string> SendMessageAsync(TwilioMessageOptions messageOptions, CancellationToken cancellationToken)
{
var createMessageOptions = new CreateMessageOptions(messageOptions.To)
{
ApplicationSid = messageOptions.ApplicationSid,
MediaUrl = messageOptions.MediaUrl,
Body = messageOptions.Body,
From = messageOptions.From
};
var messageResource = await MessageResource.CreateAsync(createMessageOptions).ConfigureAwait(false);
return(messageResource.Sid);
}