public async Task randomXkcd(params string[] command)
{
p.doAction(Context.User, Context.Guild.Id, Program.Module.Xkcd);
int?myNb = null;
if (command.Length > 0)
{
try
{
myNb = Convert.ToInt32(Program.addArgs(command));
}
catch (FormatException)
{
await ReplyAsync(Sentences.xkcdWrongArg(Context.Guild.Id));
return;
}
catch (OverflowException)
{
await ReplyAsync(Sentences.xkcdWrongArg(Context.Guild.Id));
return;
}
}
using (WebClient wc = new WebClient())
{
string json = wc.DownloadString("https://xkcd.com/info.0.json");
int nbMax = Convert.ToInt32(Program.getElementXml("\"num\":", json, ','));
int nb;
if (myNb == null)
{
nb = p.rand.Next(nbMax) + 1;
}
else
{
if (myNb < 1 || myNb > nbMax)
{
await ReplyAsync(Sentences.xkcdWrongId(Context.Guild.Id, nbMax));
return;
}
nb = (int)myNb;
}
json = wc.DownloadString("https://xkcd.com/" + nb.ToString() + "/info.0.json");
string dlUrl = Program.getElementXml("\"img\": \"", json, '"');
string currName = "xkcd" + DateTime.Now.ToString("HHmmssfff") + Context.Guild.ToString() + Context.User.Id.ToString() + "." + dlUrl.Split('.')[dlUrl.Split('.').Length - 1];
wc.DownloadFile(dlUrl, currName);
await Context.Channel.SendFileAsync(currName);
File.Delete(currName);
}
}