/// <summary>
/// Allows users to purchase tickets for the on-going raffle
/// </summary>
/// <param name="price">The cost of a ticket as an int</param>
/// <param name="amountOfTickets">The amount of tickets one user can purchase as an int</param>
/// <param name="raffle">The raffle details contained in an EmbedBuilder</param>
/// <returns>A list of participants in the raffle as a ulong</returns>
private async Task <List <ulong> > GetEntries(int price, int amountOfTickets, EmbedBuilder raffle)
{
//Hold the participants in the raffle
List <ulong> participants = new List <ulong>();
//Stop the raffle after 2 minutes
Stopwatch timeout = new Stopwatch();
timeout.Start();
//Get user input
Core.Utility.GetUserInput input = new Core.Utility.GetUserInput();
await input.MainAsync(Context.Guild, null);
int tickets = 0; //Number of tickets that have been purchased
bool endRaffle = false; //If raffle is stopped early
//Used to take gold and check for kick permissions to end raffle early
SocketGuildUser userToCheck;
//Hold the raffle for 2 minutes unless stopped early
while (timeout.ElapsedMilliseconds < 120000 && !endRaffle)
{
if (timeout.ElapsedMilliseconds == 90000)
{
raffle.AddField("Number of Tickets Bought", tickets);
await Context.Channel.SendMessageAsync($"The raffle has 30 seconds left!", false, raffle.Build());
}
if (input.answer != "")
{
if (input.answer.StartsWith("raffle join")) //User wants to join the raffle
{
userToCheck = Context.Guild.GetUser(input.respondent); //Get the user
int amountToBuy = 1;
try
{
int length = input.answer.Length - 11;
if (length > 0)
{
amountToBuy = int.Parse(input.answer.Substring(11, length).Trim());
}
}
catch (FormatException) { }
catch (ArgumentNullException) { }
if (price != 0) //If there is a price for each ticket
{
int totalCost = amountToBuy * price;
if (Data.Data.GetGold(userToCheck.Id, Context.Guild.Id) < totalCost) //Make sure they have enough gold to buy a ticket
{
await Context.Channel.SendMessageAsync($"{userToCheck.Mention} you do not have enough gold to buy {amountToBuy} ticket(s).");
}
else
{
if (amountOfTickets == 0) //Unlimited amount of tickets
{
await Data.Data.SaveGoldMinus(userToCheck.Id, totalCost, Context.Guild.Id);
for (int i = 0; i < amountToBuy; ++i)
{
participants.Add(input.respondent);
++tickets;
}
await Context.Channel.SendMessageAsync($"{userToCheck.Mention} you have successfully bought {amountToBuy} ticket(s)!");
}
else //Limited amount of tickets
{
int amountOfTicketsOwned = 0;
foreach (ulong particpant in participants)
{
if (particpant == input.respondent)
{
++amountOfTicketsOwned;
}
}
if (amountOfTicketsOwned + amountToBuy < amountOfTickets)
{
await Data.Data.SaveGoldMinus(userToCheck.Id, totalCost, Context.Guild.Id);
for (int i = 0; i < amountToBuy; ++i)
{
participants.Add(input.respondent);
++tickets;
}
await Context.Channel.SendMessageAsync($"{userToCheck.Mention} you have successfully bought {amountToBuy} ticket(s)!");
}
else
{
await Context.Channel.SendMessageAsync($"{userToCheck.Mention} you cannot have that many tickets!");
}
}
}
}
else
{
if (amountOfTickets == 0) //Unlimited amount of tickets
{
for (int i = 0; i < amountToBuy; ++i)
{
participants.Add(input.respondent);
++tickets;
}
await Context.Channel.SendMessageAsync($"{userToCheck.Mention} you have successfully bought {amountToBuy} ticket(s)!");
}
else //Limited amount of tickets
{
int amountOfTicketsOwned = 0;
foreach (ulong particpant in participants)
{
if (particpant == input.respondent)
{
++amountOfTicketsOwned;
}
}
if (amountOfTicketsOwned + amountToBuy <= amountOfTickets)
{
for (int i = 0; i < amountToBuy; ++i)
{
participants.Add(input.respondent);
++tickets;
}
await Context.Channel.SendMessageAsync($"{userToCheck.Mention} you have successfully bought {amountToBuy} ticket(s)!");
}
else
{
await Context.Channel.SendMessageAsync($"{userToCheck.Mention} you cannot have that many tickets!");
}
}
}
}
else if (input.answer == "raffle cancel") //Cancel the raffle
{
userToCheck = Context.Guild.GetUser(input.respondent);
if (userToCheck.GuildPermissions.KickMembers == true)
{
endRaffle = true;
await Context.Channel.SendMessageAsync($"{userToCheck.Mention} the raffle has been successfully canceled." +
$" Everyone who entered has been refunded.");
//Refund everyones money
await Data.Data.SaveGoldMass(participants.ToArray(), price, Context.Guild.Id);
//Allow another raffle to happen in this guild
currentlyInUse.Remove(Context.Guild.Id);
return(new List <ulong>(new ulong[] { 0 }));
}
}
else if (input.answer == "raffle end") //Stop the raffle early and pick a winner
{
userToCheck = Context.Guild.GetUser(input.respondent);
if (userToCheck.GuildPermissions.KickMembers == true)
{
endRaffle = true;
}
}
input.answer = "";
}
}
return(participants);
}
public async Task CreateRaffle()
{
//Make sure the user has kick permissions
SocketGuildUser checkForPerms = Context.User as SocketGuildUser;
if (!checkForPerms.GuildPermissions.KickMembers)
{
await Context.Channel.SendMessageAsync($"{Context.User.Mention} you need kick permissions to create raffles.");
return;
}
//Checks if a raffle is currently going on in the server
if (currentlyInUse.Contains(Context.Guild.Id))
{
await Context.Channel.SendMessageAsync($"{Context.User.Mention} a raffle is already on-going." +
$" Please wait until the raffle is finished before starting another.");
return;
}
//Only one raffle per guild at a time
currentlyInUse.Add(Context.Guild.Id);
//Get user input through DM
Core.Utility.GetUserInput dm = new Core.Utility.GetUserInput();
await dm.MainAsync(Context.Guild, Context.User, true, false);
await Context.Channel.SendMessageAsync($"{Context.User.Mention} please check your DMs.");
//Time out setting the raffle if the user takes too long
Stopwatch timeout = new Stopwatch();
timeout.Start();
//Get the item being raffled off
await Context.User.SendMessageAsync("What would you like to raffle");
string raffledItem = "";
while (timeout.ElapsedMilliseconds < 30000)
{
if (dm.answer != "")
{
raffledItem = dm.answer;
break;
}
}
//If they timed out, tell them so and return
if (timeout.ElapsedMilliseconds > 30000)
{
await Context.User.SendMessageAsync("You have timed out.");
return;
}
dm.answer = "";
timeout.Restart();
//Get the price of a ticket
await Context.User.SendMessageAsync("What is the price of a ticket? 0 for free.");
int price = 0;
while (timeout.ElapsedMilliseconds < 30000) //While the the user hasn't timed out
{
if (dm.answer != "")
{
try { price = int.Parse(dm.answer);
if (price > -1) //If price is acceptable, assign it and break out of the while loop
{
break;
}
else
{
await Context.User.SendMessageAsync("Please enter a non-negative number");
dm.answer = "";
} }
catch (FormatException) {
await Context.User.SendMessageAsync("Please enter a non-negative number");
dm.answer = "";
}
}
}
//Tell the user if they timed out and return
if (timeout.ElapsedMilliseconds > 30000)
{
await Context.User.SendMessageAsync("You have timed out.");
return;
}
dm.answer = "";
timeout.Restart();
//Ask if you can buy multiple tickets
await Context.User.SendMessageAsync("How many tickets can you buy? 0 for unlimited");
int amountOfEntries = 0;
while (timeout.ElapsedMilliseconds < 30000)
{
if (dm.answer != "")
{
try
{
amountOfEntries = int.Parse(dm.answer);
if (amountOfEntries > -1) //If the amount of tickets you can purchase is acceptable, break out of the loop
{
break;
}
else
{
await Context.User.SendMessageAsync("Please enter a non-negative number");
dm.answer = "";
}
}
catch (FormatException) {
await Context.User.SendMessageAsync("Please enter a non-negative number");
dm.answer = "";
}
}
}
//If the user times out, tell them and return
if (timeout.ElapsedMilliseconds > 30000)
{
await Context.User.SendMessageAsync("You have timed out.");
return;
}
await Context.User.SendMessageAsync("Raffle has been created.");
timeout.Restart();
//Display the raffle
EmbedBuilder raffle = GetRaffleToDisplay(price, amountOfEntries, raffledItem);
await Context.Channel.SendMessageAsync("A raffle has been created! Enter \"raffle join amount\" where \"amount\"" +
" is how many tickets you want to buy to join!", false, raffle.Build());
//Host the raffle
List <ulong> participants = await GetEntries(price, amountOfEntries, raffle);
//If at least one person responded
if (participants.Count > 0)
{
if (participants[0] == 0)
{
return;
}
ulong winner = GetWinner(participants); //Get a winner
await Context.Channel.SendMessageAsync($"The raffle for \"{raffledItem}\" has ended. {Context.Guild.GetUser(winner).Mention} has won!" +
$" Please contact {Context.User.Mention} to get your reward!"); //Display the winner
}
else
{
await Context.Channel.SendMessageAsync("The raffle has ended with no participants.");
}
//Allow another raffle to happen in this guild
currentlyInUse.Remove(Context.Guild.Id);
}
