public void DownloadEmailFromQueueAndSend()
{
SubscriberServiceApiClient client = SubscriberServiceApiClient.Create();
var s = CreateGetSubscription(); //This must be called before being able to read messages from Topic/Queue
var pullResponse = client.Pull(s.SubscriptionName, true, 1); //Reading the message on top; You can read more than just 1 at a time
if (pullResponse != null)
{
string toDeserialize = pullResponse.ReceivedMessages[0].Message.Data.ToStringUtf8(); //extracting the first message since in the previous line it was specified to read one at a time. if you decide to read more then a loop is needed
Product deserialized = JsonSerializer.Deserialize <Product>(toDeserialize); //Deserializing since when we published it we serialized it
//MailMessage mm = new MailMessage(); //Message on queue/topic will consist of a ready made email with the desired content, you can upload anything which is serializable
//mm.To.Add(deserialized.OwnerFK);
//mm.From = new MailAddress("*****@*****.**");
//mm.Subject = "New Product In Inventory";
//mm.Body = $"Name:{deserialized.Name}; Price {deserialized.Price};";
//SmtpClient mailserver = new SmtpClient("smtp.gmail.com", 587);
//mailserver.Credentials =
//mailserver.Send(mm);
//Send Email with deserialized. Documentation: https://docs.microsoft.com/en-us/dotnet/api/system.net.mail.smtpclient?view=netframework-4.8
MailMessage message = new MailMessage();
SmtpClient smtp = new SmtpClient();
message.From = new MailAddress("*****@*****.**");
message.To.Add(new MailAddress(deserialized.OwnerFK));
message.Subject = "New Product In Inventory";
message.IsBodyHtml = true; //to make message body as html
var cipher = KeyRepository.Encrypt($"Name:{deserialized.Name}; File {deserialized.Name}; Link {deserialized.File}; ");
string realvalue = KeyRepository.Decrypt(cipher);
message.Body = realvalue; //$"Name:{deserialized.Name}; File {deserialized.Name}; Link {deserialized.File}; ";
smtp.Port = 587;
smtp.Host = "smtp.gmail.com"; //for gmail host
smtp.EnableSsl = true;
smtp.UseDefaultCredentials = false;
smtp.Credentials = new NetworkCredential("*****@*****.**", "PfcAssignment");
//go on google while you are logged in in this account > search for lesssecureapps > turn it to on
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.Send(message);
List <string> acksIds = new List <string>();
acksIds.Add(pullResponse.ReceivedMessages[0].AckId); //after the email is sent successfully you acknolwedge the message so it is confirmed that it was processed
client.Acknowledge(s.SubscriptionName, acksIds.AsEnumerable());
}
}
/// <summary>
/// Publish method: uploads a message to the queue
/// </summary>
/// <param name="p"></param>
public void AddToEmailQueue(FileUpload fu)
{
PublisherServiceApiClient client = PublisherServiceApiClient.Create();
var t = CreateGetTopic();
string serialized = JsonSerializer.Serialize(fu, typeof(FileUpload));
string encryptedFile = KeyRepository.Encrypt(serialized);
List <PubsubMessage> messagesToAddToQueue = new List <PubsubMessage>(); // the method takes a list, so you can upload more than 1 message/item/product at a time
PubsubMessage msg = new PubsubMessage();
msg.Data = ByteString.CopyFromUtf8(serialized);
messagesToAddToQueue.Add(msg);
client.Publish(t.TopicName, messagesToAddToQueue); //committing to queue
}
