/// <summary>
/// Enqueues a mail message.
/// </summary>
protected virtual async Task EnqueueAsync(ProjectItem project, ContactItem from, ContactItem to, MailMessageItem mailMessage, PropertyDictionary placeholders, CancellationToken cancellationToken)
{
Debug.Assert(project != null);
Debug.Assert(from != null);
Debug.Assert(to != null);
Debug.Assert(mailMessage != null);
Debug.Assert(placeholders != null);
bool hasSubject = !string.IsNullOrEmpty(mailMessage.Subject);
bool hasContent = !string.IsNullOrEmpty(mailMessage.Body);
string subject = null;
string content = null;
if (hasSubject || hasContent)
{
placeholders = new PropertyDictionary(placeholders);
placeholders.AddIfNotExists(StringTemplate.IdentityIdProperty, to.Id);
placeholders.AddIfNotExists(MailResources.MailHeaderFrom, from);
placeholders.AddIfNotExists(MailResources.MailHeaderTo, to);
var immutablePlaceholders = placeholders.ToImmutableDictionary();
if (hasSubject)
{
subject = await StringTemplate.InterpolateAsync(mailMessage.Subject, immutablePlaceholders, cancellationToken);
}
if (hasContent)
{
content = await StringTemplate.InterpolateAsync(mailMessage.Body, immutablePlaceholders, cancellationToken);
}
}
BackgroundJob.Enqueue <MailJobClient>(job => job.Send(
new MailJobMessage
{
MessageId = mailMessage.Id,
ProjectId = project.Id,
From = new MailJobAddress(from.Id, from.Email.Address, from.Email.Name),
To = new MailJobAddress(to.Id, to.Email.Address, to.Email.Name),
Subject = subject,
Body = content,
Users = _userIds
}));
}