public static MailMessage CreateFrameworkMailMessage([NotNull] this ISmtpEmailMessage source)
{
var target = new MailMessage {
BodyEncoding = Encoding.UTF8, SubjectEncoding = Encoding.UTF8
};
var(success, displayName, mailAddress) = MailAddressParser.TryParse(source.From);
if (!success)
{
throw new InvalidOperationException("Unable to assign 'From' address for smtp message, missing or invalid value");
}
target.From = new MailAddress(displayName, mailAddress, Encoding.UTF8);
foreach (var to in source.To)
{
(success, displayName, mailAddress) = MailAddressParser.TryParse(to);
if (!success)
{
throw new InvalidOperationException("Unable to assign 'To' addresses for smtp message, missing or invalid value");
}
target.To.Add(new MailAddress(displayName, mailAddress, Encoding.UTF8));
}
target.Subject = source.Subject;
target.Body = source.Body;
return(target);
}
public async Task SendEmailMessageAsync(ISmtpEmailMessage emailMessage)
{
var configuration = _Configuration.Value();
if (configuration == null || !configuration.IsValid())
{
throw new InvalidOperationException("Smtp configuration not present or valid");
}
assume(configuration.Server?.Address != null);
assume(configuration.Authentication != null);
MailMessage mm = emailMessage.CreateFrameworkMailMessage();
using (_Logger.LogScope(
LogLevel.Debug,
$"Sending email with subject '{mm.Subject}' from '{mm.From}' to '{string.Join(", ", mm.To)}' via '{configuration.Server.Address}:{configuration.Server.Port}'")
)
{
using (var client = new System.Net.Mail.SmtpClient(configuration.Server.Address, configuration.Server.Port))
{
client.Credentials = new NetworkCredential(
configuration.Authentication.Username, configuration.Authentication.Password);
var tcs = new TaskCompletionSource <bool>();
void onClientOnSendCompleted(object sender, AsyncCompletedEventArgs args)
{
assume(args != null);
if (args.Error != null)
{
tcs.SetException(args.Error);
}
else if (args.Cancelled)
{
tcs.SetCanceled();
}
else
{
tcs.SetResult(true);
}
}
client.SendCompleted += onClientOnSendCompleted;
client.SendAsync(mm, null);
await tcs.Task.NotNull();
}
}
}
