public void EnableUnsubscribe()
{
var header = new Header();
var sendgrid = new SendGrid(header);
var text = "<% %>";
var html = "<% name %>";
var jsonText = "\"text\\/plain\" : \"" + text + "\"";
var jsonHtml = "\"text\\/html\" : \"" + html + "\"";
sendgrid.EnableUnsubscribe(text, html);
var json = header.JsonString();
Assert.AreEqual("{\"filters\" : {\"subscriptiontrack\" : {\"settings\" : {\"enable\" : \"1\"," +
jsonText + "," + jsonHtml + "}}}}", json);
header = new Header();
sendgrid = new SendGrid(header);
var replace = "John";
var jsonReplace = "\"replace\" : \"" + replace + "\"";
sendgrid.EnableUnsubscribe(replace);
json = header.JsonString();
Assert.AreEqual(
"{\"filters\" : {\"subscriptiontrack\" : {\"settings\" : {\"enable\" : \"1\"," + jsonReplace + "}}}}", json);
text = "bad";
html = "<% name %>";
Assert.Throws<Exception>(() => sendgrid.EnableUnsubscribe(text, html));
text = "<% %>";
html = "bad";
Assert.Throws<Exception>(() => sendgrid.EnableUnsubscribe(text, html));
}
/// <summary>
/// Add automatic unsubscribe links to the bottom of emails.
/// http://docs.sendgrid.com/documentation/apps/subscription-tracking/
/// </summary>
public void EnableUnsubscribeEmail()
{
//create a new message object
var message = new SendGrid();
//set the message recipients
foreach (var recipient in _to)
{
message.AddTo(recipient);
}
//set the sender
message.From = new MailAddress(_from);
//set the message body
message.Html = "This is the HTML body";
message.Text = "This is the plain text body";
//set the message subject
message.Subject = "Hello World Unsubscribe Test";
//create an instance of the Web transport mechanism
var transportInstance = new Web(new NetworkCredential(_username, _password));
//enable spamcheck
//or optionally, you can specify 'replace' instead of the text and html in order to
//place the link wherever you want.
message.EnableUnsubscribe("Please click the following link to unsubscribe: <% %>",
"Please click <% here %> to unsubscribe");
//send the mail
transportInstance.Deliver(message);
}
