public static async Task SendUpdateToSlack(SlackSubmission submission, bool accept, ILogger log = null)
{
var message = accept ? $":white_check_mark: Approved by <@{submission.User.Id}|{submission.User.Name}>" : $":x: Rejected by <@{submission.User.Id}|{submission.User.Name}>";
var emailAtt = submission.OriginalMessage.Attachments[0];
var colour = accept ? "good" : "danger";
var jsonData = JsonSerializer.Serialize(new
{
attachments = new object[]
{
emailAtt,
new
{
fallback = message,
color = colour,
text = message,
ts = (DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds
}
},
replace_original = "true",
response_type = "in_channel"
});
var httpClient = new HttpClient();
await httpClient.PostAsync(submission.ResponseUrl, new StringContent(jsonData));
}
public static async Task SendEmailAsync(SlackSubmission submission, ILogger log = null)
{
const string sender = "*****@*****.**";
var authorName = submission.OriginalMessage.Attachments[0].AuthorName;
authorName = HttpUtility.HtmlDecode(authorName);
log?.LogInformation("Author: {Author}", authorName);
// authorName is of the form "Name <email>" so pull out the relevant information.
const string pattern = @"(?<name>.+) \<(?<email>.+)\>";
var m = Regex.Match(authorName, pattern);
string emailAuthorName;
string emailAuthorEmail;
if (m.Success)
{
emailAuthorName = m.Groups["name"].Value;
emailAuthorEmail = m.Groups["email"].Value;
}
else
{
return;
}
// Pull out the recipients.
var recipients = submission.OriginalMessage.Attachments[0].Fields[0].Value;
recipients = HttpUtility.HtmlDecode(recipients);
log?.LogInformation("Recipients: {Recipients}", recipients);
var emailRecipients = recipients
.Split(',', StringSplitOptions.RemoveEmptyEntries)
.Select(r => r.Split('|')[1].Replace(">", string.Empty))
.Select(e => new EmailAddress(e))
.ToList();
var message = new MimeMessage();
message.From.Add(new MailboxAddress($"{emailAuthorName} via Yes In New West", sender));
foreach (var emailRecipient in emailRecipients)
{
message.To.Add(new MailboxAddress(emailRecipient.Name, emailRecipient.Email));
}
message.Cc.Add(new MailboxAddress(emailAuthorName, emailAuthorEmail));
message.ReplyTo.Add(new MailboxAddress(emailAuthorName, emailAuthorEmail));
message.Subject = submission.OriginalMessage.Attachments[0].Title;
message.Body = new TextPart("plain")
{
Text = $"{submission.OriginalMessage.Attachments[0].Text}\n\nThis email was sent by {emailAuthorName} ({emailAuthorEmail}) through the Yes In New West letter sender."
};
using var client = new SmtpClient();
await client.ConnectAsync("smtp.sendgrid.net", 465, true);
await client.AuthenticateAsync("apikey", Environment.GetEnvironmentVariable("SENDGRID_API_KEY"));
await client.SendAsync(message);
await client.DisconnectAsync(true);
}