//this is async/void because it is an event handler
public async void PollTwitchAPI(object source, ElapsedEventArgs e)
{
TwitchTokenData tokenData = await GetTokenAsync();
TwitchAPIData data = await RequestTwitchDataAsync(tokenData);
//checks if BotToilet is streaming and that the message explaining so has not been sent already
if (data.Data.Length != 0 && !alreadySentMessage)
{
//standard embed building
EmbedAuthorBuilder embedAuthorBuilder = new EmbedAuthorBuilder()
{
Name = "BotToilet is now streaming!",
Url = "https://www.twitch.tv/bottoilet"
};
EmbedBuilder embedBuilder = new EmbedBuilder()
{
Author = embedAuthorBuilder,
Color = new Color?(Color.Purple),
ImageUrl = "https://static-cdn.jtvnw.net/previews-ttv/live_user_bottoilet-1920x1080.jpg?r=" + new Random().Next().ToString(), //cache buster
Description = "https://www.twitch.tv/bottoilet"
};
embedBuilder.AddField("Title", data.Data[0].Title, true);
embedBuilder.AddField("Started (Eastern Time):", data.Data[0].StartedAt.ToLocalTime(), true);
//gets the streaming channel and send messages
channel = client.GetChannel(streamingChannelId) as ISocketMessageChannel;
await channel.SendMessageAsync("BotToilet has gone live on Twitch!", embed: embedBuilder.Build());
alreadySentMessage = true;
}
//checks if BotToilet went offline thus resetting the alreadySentMessgae flag
else if (data.Data.Length == 0 && alreadySentMessage)
{
alreadySentMessage = false;
}
await RevokeTokenAsync(tokenData);
}
private async Task <TwitchAPIData> RequestTwitchDataAsync(TwitchTokenData tokenData)
{
this.httpClient.DefaultRequestHeaders.Add("Client-ID", clientId);
this.httpClient.DefaultRequestHeaders.Add("Authorization", "Bearer " + tokenData.AccessToken);
string url = "https://api.twitch.tv/helix/streams?user_login=bottoilet";
//makes request and ensures success
HttpResponseMessage response = await this.httpClient.GetAsync(url);
response.EnsureSuccessStatusCode();
//converts JSON to TwitchAPIData
string resp = await response.Content.ReadAsStringAsync();
TwitchAPIData data = JsonConvert.DeserializeObject <TwitchAPIData>(resp);
//Clean up
this.httpClient.DefaultRequestHeaders.Clear();
return(data);
}
private async Task RevokeTokenAsync(TwitchTokenData tokenData)
{
//revokes oautho token
await httpClient.PostAsync($"https://id.twitch.tv/oauth2/revoke?client_id={clientId}&token=" + tokenData.AccessToken, new StringContent(""));
}