public async Task SendMailAsync(IEnumerable <string> toAddress,
TemplateEngine templateEngine = null, string ccAddress = null)
{
var enumerable = toAddress as string[] ?? toAddress.ToArray();
if (!enumerable.Any())
{
throw new ArgumentNullException(nameof(toAddress));
}
switch (CurrentEngine)
{
case null when templateEngine == null:
throw new Exception("TemplateEngine must be specified.");
case null when true:
CurrentEngine = templateEngine;
break;
}
// create mail message
var messageToSend = new MimeMessage
{
Sender = new MailboxAddress(Settings.SenderName, Settings.SmtpUserName),
Subject = CurrentEngine.Format(() => new StringBuilder(CurrentEngine.TextProvider.Subject)).Trim(),
};
messageToSend.From.Add(new MailboxAddress(Settings.EmailDisplayName, Settings.SmtpUserName));
var bodyText = CurrentEngine.Format(() => new StringBuilder(CurrentEngine.TextProvider.Text)).Trim();
if (CurrentEngine.TextProvider is TemplateMailMessage templateMailMessage && templateMailMessage.IsHtml)
{
messageToSend.Body = new TextPart(TextFormat.Html)
{
Text = bodyText
};
}