public void SendVotingAlert(int electionId, IJobCancellationToken cancellationToken)
{
Election election = GetElection(electionId);
int eligibleForVoting = CountEligible(election, entry => entry.CanVote);
int alreadyVoted = Db.StudentVoteRecords
.Where(record => record.Position.ElectionId == election.Id)
.Select(record => record.Username)
.Distinct()
.Count();
float participationRatio = alreadyVoted / (float)eligibleForVoting;
// Check that we actually need to send the alert
if (!election.Voting.ShouldSendAlert(participationRatio))
{
return;
}
cancellationToken.ThrowIfCancellationRequested();
StudentSupportEmail email = GenerateAlertEmail(election, participationRatio);
Db.StudentSupportEmails.Add(email);
Db.SaveChanges();
ScheduleJobsInTransaction(
_userRepository.GetAllStudentSupport(),
(user, jobClient) => jobClient.Enqueue <StudentSupportMailerJob>(
mailer => mailer.SendSingleEmail(email.Id, user.InternalEmail, user.Fullname)
)
);
}
public void SendSingleEmail(Guid emailId, string recipientAddress, string recipientName)
{
StudentSupportEmail email = _db.StudentSupportEmails.Find(emailId);
if (email == null)
{
throw new ArgumentOutOfRangeException(nameof(emailId), "No student support email with such id");
}
_smtpClient.Send(new MailMessage
{
Subject = email.Subject,
Body = email.Body,
IsBodyHtml = false,
From = EmailHelpers.DefaultSender,
To = { new MailAddress(recipientAddress, recipientName) }
});
}