private void btnGo_Click(object sender, RoutedEventArgs e)
{
SantaSackSerializer.Serialize(santaSack);
if (santaSack.Participants.Count < 3)
{
MessageBox.Show("You Haven't Got Enough People!");
return;
}
if (string.IsNullOrWhiteSpace(santaSack.Template.FromAddress))
{
MessageBox.Show("You Haven't Entered A From Address!");
return;
}
if (string.IsNullOrWhiteSpace(santaSack.Template.Content))
{
MessageBox.Show("You Haven't Got Any Email Content!");
return;
}
if (string.IsNullOrWhiteSpace(santaSack.Template.Subject))
{
MessageBox.Show("You Haven't Got An Email Subject!");
return;
}
if (string.IsNullOrWhiteSpace(santaSack.Template.Host) || string.IsNullOrWhiteSpace(santaSack.Template.Port))
{
MessageBox.Show("You Haven't Got A Host Or Port For Sending!");
return;
}
var emailHelper = new RegexUtilities();
if (!emailHelper.IsValidEmail(santaSack.Template.FromAddress))
{
MessageBox.Show("You Haven't Entered A Valid From Address!");
return;
}
foreach (var participant in santaSack.Participants)
{
if (!emailHelper.IsValidEmail(participant.EmailAddress))
{
MessageBox.Show(participant.Name + " Does Not Have A Valid Email Address!");
return;
}
}
var rsltMessageBox = MessageBox.Show("Are You Sure You Want To Send Now?", "Are You Sure?", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (rsltMessageBox == System.Windows.Forms.DialogResult.No)
{
MessageBox.Show("Sending Cancelled!");
return;
}
var participantsToPair = (from p in santaSack.Participants select p).ToList();
var participantsToAssign = (from p in santaSack.Participants select p).ToList();
var participantsToSend = new List <PairedParticipant>();
var randomGenerator = new Random((int)DateTime.UtcNow.Ticks);
while (participantsToPair.Count > 0)
{
if (participantsToAssign.Count == 1 && participantsToPair.Count == 1 && participantsToAssign.First().EmailAddress == participantsToPair.First().EmailAddress)
{
participantsToPair = (from p in santaSack.Participants select p).ToList();
participantsToAssign = (from p in santaSack.Participants select p).ToList();
participantsToSend = new List <PairedParticipant>();
}
Participant pairParticipant = null;
var assignIndex = randomGenerator.Next(0, participantsToAssign.Count);
var assignParticipant = participantsToAssign[assignIndex];
participantsToAssign.Remove(assignParticipant);
var participantPairing = new PairedParticipant()
{
EmailAddress = assignParticipant.EmailAddress,
Name = assignParticipant.Name
};
while (pairParticipant == null)
{
var pairIndex = randomGenerator.Next(0, participantsToPair.Count);
pairParticipant = participantsToPair[pairIndex];
if (assignParticipant.EmailAddress == pairParticipant.EmailAddress)
{
pairParticipant = null;
}
else
{
participantsToPair.Remove(pairParticipant);
participantPairing.PairedWith = pairParticipant;
participantsToSend.Add(participantPairing);
}
}
var alreadyPaired =
participantsToSend.FirstOrDefault(p => p.PairedWith.EmailAddress == participantPairing.EmailAddress);
if (alreadyPaired != null)
{
if (alreadyPaired.EmailAddress == participantPairing.PairedWith.EmailAddress)
{
participantsToPair = (from p in santaSack.Participants select p).ToList();
participantsToAssign = (from p in santaSack.Participants select p).ToList();
participantsToSend = new List <PairedParticipant>();
}
}
}
while (participantsToSend.Any(x => x.Sent == false))
{
if (participantsToSend.Any(x => x.SendAttempts > 5))
{
foreach (var tooManyAttemptParticipant in participantsToSend.Where(x => x.SendAttempts > 5))
{
MessageBox.Show(
string.Format("Couldn't Send Email To {0}, They Drew {1}",
tooManyAttemptParticipant.EmailAddress,
tooManyAttemptParticipant.PairedWith.EmailAddress), "Couldn't Send",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
foreach (var pairedParticipant in participantsToSend.Where(x => x.Sent == false))
{
var message = new MailMessage();
message.From = new MailAddress(santaSack.Template.FromAddress);
message.To.Add(!string.IsNullOrWhiteSpace(santaSack.Template.DiagnosticDeliveryAddress)
? new MailAddress(santaSack.Template.DiagnosticDeliveryAddress)
: new MailAddress(pairedParticipant.EmailAddress));
// send to a bcc if no diagnostic delivery is set
if (!string.IsNullOrWhiteSpace(santaSack.Template.BlindCarbonCopy) &&
string.IsNullOrWhiteSpace(santaSack.Template.DiagnosticDeliveryAddress))
{
message.Bcc.Add(new MailAddress(santaSack.Template.BlindCarbonCopy));
}
message.BodyEncoding = Encoding.UTF8;
message.Subject = santaSack.Template.Subject;
message.Body = santaSack.Template.Content
.Replace("{{GiftFromName}}", pairedParticipant.Name)
.Replace("{{GiftFromEmail}}", pairedParticipant.EmailAddress)
.Replace("{{GiftForName}}", pairedParticipant.PairedWith.Name)
.Replace("{{GiftForEmail}}", pairedParticipant.PairedWith.EmailAddress);
var client = new SmtpClient {
EnableSsl = santaSack.Template.EnableSsl
};
if (!string.IsNullOrWhiteSpace(santaSack.Template.FromPassword))
{
client.UseDefaultCredentials = false;
client.Credentials = new NetworkCredential(santaSack.Template.FromAddress, santaSack.Template.FromPassword);
client.DeliveryMethod = SmtpDeliveryMethod.Network;
message.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;
}
client.Host = santaSack.Template.Host;
int port;
if (!int.TryParse(santaSack.Template.Port, out port))
{
port = 25;
}
client.Port = port;
try
{
client.Send(message);
pairedParticipant.Sent = true;
}
catch (Exception)
{
pairedParticipant.Sent = false;
pairedParticipant.SendAttempts++;
}
}
}
MessageBox.Show("All Emails Have Been Sent!");
}
private void btnGo_Click(object sender, RoutedEventArgs e)
{
SantaSackSerializer.Serialize(santaSack);
if (santaSack.Participants.Count < 3)
{
MessageBox.Show("You Haven't Got Enough People!");
return;
}
if (string.IsNullOrWhiteSpace(santaSack.Template.FromAddress))
{
MessageBox.Show("You Haven't Entered A From Address!");
return;
}
if (string.IsNullOrWhiteSpace(santaSack.Template.Content))
{
MessageBox.Show("You Haven't Got Any Email Content!");
return;
}
if (string.IsNullOrWhiteSpace(santaSack.Template.Subject))
{
MessageBox.Show("You Haven't Got An Email Subject!");
return;
}
if (string.IsNullOrWhiteSpace(santaSack.Template.Host) || string.IsNullOrWhiteSpace(santaSack.Template.Port))
{
MessageBox.Show("You Haven't Got A Host Or Port For Sending!");
return;
}
var emailHelper = new RegexUtilities();
if (!emailHelper.IsValidEmail(santaSack.Template.FromAddress))
{
MessageBox.Show("You Haven't Entered A Valid From Address!");
return;
}
foreach (var participant in santaSack.Participants)
{
if (!emailHelper.IsValidEmail(participant.EmailAddress))
{
MessageBox.Show(participant.Name + " Does Not Have A Valid Email Address!");
return;
}
}
var rsltMessageBox = MessageBox.Show("Are You Sure You Want To Send Now?", "Are You Sure?", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (rsltMessageBox == System.Windows.Forms.DialogResult.No)
{
MessageBox.Show("Sending Cancelled!");
return;
}
var participantsToPair = (from p in santaSack.Participants select p).ToList();
var participantsToAssign = (from p in santaSack.Participants select p).ToList();
var participantsToSend = new List<PairedParticipant>();
var randomGenerator = new Random((int)DateTime.UtcNow.Ticks);
while (participantsToPair.Count > 0)
{
if (participantsToAssign.Count == 1 && participantsToPair.Count == 1 && participantsToAssign.First().EmailAddress == participantsToPair.First().EmailAddress)
{
participantsToPair = (from p in santaSack.Participants select p).ToList();
participantsToAssign = (from p in santaSack.Participants select p).ToList();
participantsToSend = new List<PairedParticipant>();
}
Participant pairParticipant = null;
var assignIndex = randomGenerator.Next(0, participantsToAssign.Count);
var assignParticipant = participantsToAssign[assignIndex];
participantsToAssign.Remove(assignParticipant);
var participantPairing = new PairedParticipant()
{
EmailAddress = assignParticipant.EmailAddress,
Name = assignParticipant.Name
};
while (pairParticipant == null)
{
var pairIndex = randomGenerator.Next(0, participantsToPair.Count);
pairParticipant = participantsToPair[pairIndex];
if (assignParticipant.EmailAddress == pairParticipant.EmailAddress)
{
pairParticipant = null;
}
else
{
participantsToPair.Remove(pairParticipant);
participantPairing.PairedWith = pairParticipant;
participantsToSend.Add(participantPairing);
}
}
var alreadyPaired =
participantsToSend.FirstOrDefault(p => p.PairedWith.EmailAddress == participantPairing.EmailAddress);
if (alreadyPaired != null)
{
if (alreadyPaired.EmailAddress == participantPairing.PairedWith.EmailAddress)
{
participantsToPair = (from p in santaSack.Participants select p).ToList();
participantsToAssign = (from p in santaSack.Participants select p).ToList();
participantsToSend = new List<PairedParticipant>();
}
}
}
while (participantsToSend.Any(x => x.Sent == false))
{
if (participantsToSend.Any(x => x.SendAttempts > 5))
{
foreach (var tooManyAttemptParticipant in participantsToSend.Where(x => x.SendAttempts > 5))
{
MessageBox.Show(
string.Format("Couldn't Send Email To {0}, They Drew {1}",
tooManyAttemptParticipant.EmailAddress,
tooManyAttemptParticipant.PairedWith.EmailAddress), "Couldn't Send",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
foreach (var pairedParticipant in participantsToSend.Where(x => x.Sent == false))
{
var message = new MailMessage();
message.From = new MailAddress(santaSack.Template.FromAddress);
message.To.Add(!string.IsNullOrWhiteSpace(santaSack.Template.DiagnosticDeliveryAddress)
? new MailAddress(santaSack.Template.DiagnosticDeliveryAddress)
: new MailAddress(pairedParticipant.EmailAddress));
// send to a bcc if no diagnostic delivery is set
if (!string.IsNullOrWhiteSpace(santaSack.Template.BlindCarbonCopy)
&& string.IsNullOrWhiteSpace(santaSack.Template.DiagnosticDeliveryAddress))
{
message.Bcc.Add(new MailAddress(santaSack.Template.BlindCarbonCopy));
}
message.BodyEncoding = Encoding.UTF8;
message.Subject = santaSack.Template.Subject;
message.Body = santaSack.Template.Content
.Replace("{{GiftFromName}}", pairedParticipant.Name)
.Replace("{{GiftFromEmail}}", pairedParticipant.EmailAddress)
.Replace("{{GiftForName}}", pairedParticipant.PairedWith.Name)
.Replace("{{GiftForEmail}}", pairedParticipant.PairedWith.EmailAddress);
var client = new SmtpClient { EnableSsl = santaSack.Template.EnableSsl };
if (!string.IsNullOrWhiteSpace(santaSack.Template.FromPassword))
{
client.UseDefaultCredentials = false;
client.Credentials = new NetworkCredential(santaSack.Template.FromAddress, santaSack.Template.FromPassword);
client.DeliveryMethod = SmtpDeliveryMethod.Network;
message.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;
}
client.Host = santaSack.Template.Host;
int port;
if (!int.TryParse(santaSack.Template.Port, out port))
{
port = 25;
}
client.Port = port;
try
{
client.Send(message);
pairedParticipant.Sent = true;
}
catch (Exception)
{
pairedParticipant.Sent = false;
pairedParticipant.SendAttempts++;
}
}
}
MessageBox.Show("All Emails Have Been Sent!");
}