public async Task<HttpResponseMessage> Post([FromBody]FormDataCollection formData)
{
const string BADPHONE = "An SMS message with an invalid \"{0}\" number was received!";
const string REGISTERED =
"You're registered to win a door prize in {0}'s {1:MM/dd/yyyy} drawing. Good luck!!";
const string DRAWINGCLOSED =
"{0}'s {1:MM/dd/yyyy} door prize drawing is closed and can accept no more entries!";
const string BADBODY =
"To register to win a door prize, please send an SMS in the format EMAIL,NAME (i.e. [email protected],Some Dude) to {0}.";
var to = formData["To"];
if (!phoneRegex.IsMatch(to))
return GetResponse(BADPHONE, "To");
var from = formData["From"];
if (!phoneRegex.IsMatch(from))
return GetResponse(BADPHONE, "From");
var body = formData["Body"];
if (string.IsNullOrWhiteSpace(body))
return GetResponse(BADBODY, from);
var parts = body.Split(',', ';', '|');
if (parts.Length != 2)
return GetResponse(BADBODY, from);
var email = parts[0].Trim().ToLower();
var name = parts[1].Trim().ToUpper();
if (!emailRegex.IsMatch(email))
return GetResponse(BADBODY, from);
if (string.IsNullOrWhiteSpace(name))
return GetResponse(BADBODY, from);
to = to.Substring(2);
from = from.Substring(2);
using (var db = new Entities())
{
var account = await db.Accounts.FirstOrDefaultAsync(a => a.Phone == to);
if (account == null)
return GetResponse(BADPHONE, "To");
var drawing = await db.Drawings.FirstOrDefaultAsync(
c => c.AccountId == account.Id && c.Date == DateTime.Today);
if (drawing == null)
{
drawing = new Drawing()
{
AccountId = account.Id,
Date = DateTime.Today
};
db.Drawings.Add(drawing);
await db.SaveChangesAsync();
}
if (await db.Winners.AnyAsync(w => w.Prize.DrawingId == drawing.Id))
return GetResponse(DRAWINGCLOSED, account.Name, drawing.Date);
var ticket = await db.Tickets.FirstOrDefaultAsync(t =>
t.DrawingId == drawing.Id && t.Phone == from);
if (ticket == null)
{
ticket = new Ticket()
{
DrawingId = drawing.Id,
Email = email,
Name = name,
Phone = from
};
db.Tickets.Add(ticket);
}
else
{
ticket.Name = name;
ticket.Email = email;
}
await db.SaveChangesAsync();
int prizesLeft = 0;
int ticketsLeft = 0;
var prizes = await (from p in db.Prizes
where p.DrawingId == drawing.Id
select new
{
Quantity = p.Quantity - p.Winners.Count()
}).ToListAsync();
foreach (var prize in prizes)
{
for (int i = 0; i < prize.Quantity; i++)
prizesLeft++;
}
ticketsLeft = await (from t in db.Tickets
where t.DrawingId == drawing.Id && t.Winners.Count == 0
select t).CountAsync();
#pragma warning disable CS4014
Task.Run(() => PublishDrawingInfo(drawing, prizesLeft, ticketsLeft));
#pragma warning restore CS414
return GetResponse(REGISTERED, account.Name, drawing.Date);
}
}
private void PublishDrawingInfo(Drawing drawing, int prizesLeft, int ticketsLeft)
{
var message = new BrokeredMessage(new DrawingInfo()
{
AccountName = drawing.Account.Name,
AccountPhone = drawing.Account.Phone,
DrawingDate = drawing.Date,
PrizesLeft = prizesLeft,
TicketsLeft = ticketsLeft
});
BusHelper.GetTopicClient().SendAsync(message);
}