MMS Controller

MMSController

        //Reminder this class needs to inherit from TwilioController --> public class MMSController : TwilioController
        
        public ActionResult Index(string from, string mediaurl0)
        {
            Image blended = CreateBlendedImage(mediaurl0);
            //We are using Azure Storage, and loading our credentials from our config file
            CloudStorageAccount storageAccount = CloudStorageAccount.Parse(ConfigurationManager.AppSettings["<CONNECTIONKEY>"].ToString());
            // Create the blob client
            CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
            // Retrieve a reference to a container.
            CloudBlobContainer container = blobClient.GetContainerReference("<CONTAINERNAME>");
            //Allow public access to the blob (but not to the container)
            container.SetPermissions(new BlobContainerPermissions {PublicAccess = BlobContainerPublicAccessType.Blob });
            // Create the container if it doesn't already exist.
            container.CreateIfNotExists();
            // Retrieve reference to a blob names using the from phone number.
            //We add the png file extension so its easier for us when looking at a list of blobs
            CloudBlockBlob blockBlob = container.GetBlockBlobReference(from + ".png");
            // Create or overwrite the phone mumber blob with contents from a local file.
            //We re using temp file space for file creation
            var filepath = System.IO.Path.GetTempFileName();
            blended.Save(filepath, ImageFormat.Png);
            //remmeber to set the Content Type, else Azure will return appliction/octet and Twilio won't be able to read the image
            blockBlob.Properties.ContentType = "image/png";
            //Upload the file to Azure storage
            blockBlob.UploadFromFile(filepath, FileMode.Open);
            //Create th Twilio TwiML markup response
            var response = new TwilioResponse();
            string[] mediaurls = new string[1];
            //For some reason only http worked for me
            mediaurls[0] = blockBlob.Uri.AbsoluteUri.Replace("https://","http://");
            
            //Add the Blended Image URL from Azure to the response
            response.Message(mediaurls);
            //Note how we return a TwiML respone and not a View 
            return TwiML(response);
        }