public void MailTest()
{
Mailer mailer = new Mailer ("*****@*****.**");
mailer.Send ("*****@*****.**", "Ben Joldersma", "testing", "testing");
}
public static void Main(string[] args)
{
//The list of participants, first as a collection of drawers.
var drawers = new List<Entry> ();
foreach (var line in File.ReadAllLines ("names"))
{
var lineParts = line.Split (',');
var entry = new Entry () {
Name = lineParts[0],
Email = lineParts[1],
Exclusions = lineParts.Length > 2 ? lineParts[2].Split(':') : new string[] {}
};
drawers.Add (entry);
}
var emailFormat = File.ReadAllText ("emailFormat");
//Copy the list to create a shrinking pool of drawees.
//The algorithm here is to shrink the pool by one each time we successfully find a match.
var drawees = new List<Entry> (drawers);
//Request a list of 100 truly random numbers from RANODM.ORG.
WebClient wc = new WebClient ();
StreamReader sr = new StreamReader (wc.OpenRead ("http://www.random.org/integers/?num=100&min=1&max=100&col=1&base=10&format=plain&rnd=new"));
//Create a delegate (callback function) that reads one line from the web request, converts it to an integer, and returns that value.
var readInt = new Func<int> (delegate {
return int.Parse (sr.ReadLine ());
});
//loop through each drawer
foreach (var drawer in drawers)
{
Entry drawee = null;
//In order to avoid drawing yourself, we keep picking a drawee until we have one that is not the drawer.
//In other words, keep drawing a drawee while that drawee is the same as the drawer (usually this will only happen once).
do {
//select a name from the drawees list by reading an integer from the web stream, and modulating the number by the size of the
//drawees list.
drawee = drawees [readInt () % drawees.Count];
} while(!IsValidDraw(drawer, drawee));
if (drawer.WhoYouDrew != null)
throw new Exception (string.Format ("{0} already drew {1}", drawer, drawer.WhoYouDrew));
if (drawee.WhoDrewYou != null)
throw new Exception (string.Format("Sorry {0}, {1} already drew {2}", drawer.Name, drawee.WhoDrewYou, drawee));
drawer.WhoYouDrew = drawee;
drawee.WhoDrewYou = drawer;
//now remove the drawee from the drawees list, so he/she won't be picked again.
drawees.Remove (drawee);
//format and print out the email string to send to the draweer
//System.Console.WriteLine (emailFormat, drawer, drawee);
//continue the loop until we are done!
}
//validate selections. make sure that everyone both drew someone and is drawn by someone.
HashSet<Entry> hasBeenDrawn = new HashSet<Entry> ();
drawees = new List<Entry> (drawers);
foreach (var entry in drawers)
{
if (hasBeenDrawn.Contains (entry.WhoYouDrew))
throw new Exception (entry.WhoYouDrew + " has already been drawn");
hasBeenDrawn.Add (entry.WhoYouDrew);
drawees.Remove (entry.WhoYouDrew);
if (entry.WhoYouDrew.WhoDrewYou != entry)
throw new Exception ("Draw mismatch");
if (ExcludeProbability == 1 && entry.Exclusions.Contains (entry.WhoYouDrew.Name))
throw new Exception ("Exclusion drew");
}
if (drawees.Count > 0)
throw new Exception ("Not everyone was drawn");
Console.WriteLine ("Sanity verified. okay to email.");
//email!
Mailer m = new Mailer (From);
foreach (var entry in drawers) {
foreach(var email in entry.Email.Split(':')) {
string body = string.Format (emailFormat, entry.Name, entry.WhoYouDrew.Name);
if (DryRun) {
Console.WriteLine ("Giver: {0}, Recipient: {1}, Who Drew You: {2}, Email: {3}", entry.Name, entry.WhoYouDrew, entry.WhoDrewYou, email);
Console.WriteLine (body);
} else {
m.Send (email, entry.Name, Subject, body);
}
}
}
}
