/// <summary>
/// Gets a Total object containing a list of Follow objects of type User following the specified user
/// </summary>
/// <param name="offset">Object offset for pagination. Default is 0.</param>
/// <param name="limit">How many users to get at one time. Default is 25. Maximum is 100</param>
/// <param name="direction">Creation date sorting direction. Default is Descending.</param>
/// <returns>A Total object containing a list of Follow objects of type User</returns>
public async Task <Total <List <Follow <User> > > > RetrieveFollowers(int offset = 0, int limit = 25,
TwitchConstants.Direction direction = TwitchConstants.Direction.Decending)
{
Url url = new Url(TwitchConstants.baseUrl).AppendPathSegments("channels", name, "follows");
if (limit <= 100)
{
url.SetQueryParam("limit", limit);
}
else
{
url.SetQueryParam("limit", 100);
}
url.SetQueryParams(new
{
offset = offset,
direction = TwitchConstants.DirectionToString(direction)
});
Uri uri = new Uri(url.ToString());
string responseString;
try
{
responseString = await Twixel.GetWebData(uri, version);
}
catch (TwitchException ex)
{
throw new TwixelException(TwitchConstants.twitchAPIErrorString, ex);
}
JObject responseObject = JObject.Parse(responseString);
List <Follow <User> > follows = HelperMethods.LoadUserFollows(responseObject, version);
return(HelperMethods.LoadTotal(responseObject, follows, version));
}
/// <summary>
/// Gets the top videos on Twitch
/// </summary>
/// <param name="game">The name of the game to get videos for</param>
/// <param name="period">The time period you want to look in</param>
/// <param name="offset">Object offset for pagination. Default is 0.</param>
/// <param name="limit">How many videos to get at one time. Default is 10. Maximum is 100</param>
/// <param name="version">Twitch API version</param>
/// <returns>A list of videos</returns>
public async Task <List <Video> > RetrieveTopVideos(string game = null,
TwitchConstants.Period period = TwitchConstants.Period.Week,
int offset = 0, int limit = 25,
APIVersion version = APIVersion.None)
{
if (version == APIVersion.None)
{
version = DefaultVersion;
}
Url url = new Url(TwitchConstants.baseUrl).AppendPathSegments("videos", "top");
url.SetQueryParam("game", game);
if (limit <= 100)
{
url.SetQueryParam("limit", limit);
}
else
{
url.SetQueryParam("limit", 100);
}
url.SetQueryParam("period", TwitchConstants.PeriodToString(period));
Uri uri = new Uri(url.ToString());
string responseString;
try
{
responseString = await GetWebData(uri, version);
}
catch (TwitchException ex)
{
throw new TwixelException(TwitchConstants.twitchAPIErrorString, ex);
}
return(HelperMethods.LoadVideos(JObject.Parse(responseString), version));
}
/// <summary>
/// Get a list of users subscribed to this user. Requires user authorization. Requires Twitch partnership.
/// </summary>
/// <param name="limit">How many subscriptions to get at one time. Default is 25. Maximum is 100</param>
/// <param name="direction">Creation date sorting direction</param>
/// <returns>A list of subscriptions</returns>
public async Task <List <Subscription> > RetriveSubscribers(int limit, TwitchConstants.Direction direction)
{
if (authorized && authorizedScopes.Contains(TwitchConstants.Scope.ChannelSubscriptions))
{
Uri uri;
string url = "https://api.twitch.tv/kraken/channels/" + name + "/subscriptions";
if (limit <= 100)
{
url += "?limit=" + limit.ToString();
}
else
{
twixel.CreateError("You cannot fetch more than 100 subs at a time");
return(null);
}
if (direction != TwitchConstants.Direction.None)
{
url += "&direction=" + TwitchConstants.DirectionToString(direction);
}
uri = new Uri(url);
string responseString = await Twixel.GetWebData(uri, accessToken);
if (responseString != "422")
{
totalSubscribers = (int)JObject.Parse(responseString)["_total"];
nextSubs = new WebUrl((string)JObject.Parse(responseString)["_links"]["next"]);
foreach (JObject o in (JArray)JObject.Parse(responseString)["subscriptions"])
{
if (!ContainsSubscriber((string)o["user"]["name"]))
{
subscribedUsers.Add(LoadSubscriber(o));
}
}
return(subscribedUsers);
}
else
{
twixel.CreateError("You aren't partnered so you cannot have subs");
return(null);
}
}
else
{
if (!authorized)
{
twixel.CreateError(name + " is not authorized");
}
else if (!authorizedScopes.Contains(TwitchConstants.Scope.ChannelSubscriptions))
{
twixel.CreateError(name + " has not given channel_subscriptions permissions");
}
return(null);
}
}
/// <summary>
/// Get a Total object containing a list of Subscription of type User
/// Requires authorization.
/// Requires Twitch partnership.
/// Requires channel_subscriptions.
/// </summary>
/// <param name="offset">Object offset for pagination. Default is 0.</param>
/// <param name="limit">How many subscriptions to get at one time. Default is 25. Maximum is 100</param>
/// <param name="direction">Creation date sorting direction. Default is Ascending.</param>
/// <returns>A Total object containing a list of Subscription objects of type User</returns>
public async Task <Total <List <Subscription <User> > > > RetriveSubscribers(int offset = 0, int limit = 25,
TwitchConstants.Direction direction = TwitchConstants.Direction.Ascending)
{
TwitchConstants.Scope relevantScope = TwitchConstants.Scope.ChannelSubscriptions;
if (authorized && authorizedScopes.Contains(relevantScope) && partnered)
{
Url url = new Url(TwitchConstants.baseUrl).AppendPathSegments("channels", name, "subscriptions");
if (limit <= 100)
{
url.SetQueryParam("limit", limit);
}
else
{
url.SetQueryParam("limit", 100);
}
url.SetQueryParams(new
{
offset = offset,
direction = TwitchConstants.DirectionToString(direction)
});
Uri uri = new Uri(url.ToString());
string responseString;
try
{
responseString = await Twixel.GetWebData(uri, accessToken, version);
}
catch (TwitchException ex)
{
throw new TwixelException(TwitchConstants.twitchAPIErrorString, ex);
}
JObject responseObject = JObject.Parse(responseString);
List <Subscription <User> > subs = HelperMethods.LoadUserSubscriptions(JObject.Parse(responseString), version);
return(HelperMethods.LoadTotal(responseObject, subs, version));
}
else
{
if (!authorized)
{
throw new TwixelException(NotAuthedError());
}
else if (!authorizedScopes.Contains(relevantScope))
{
throw new TwixelException(MissingPermissionError(relevantScope));
}
else if (!partnered)
{
throw new TwixelException(NotPartneredError());
}
else
{
throw new TwixelException(TwitchConstants.unknownErrorString);
}
}
}
/// <summary>
/// Starts a commercial on this user's live stream.
/// Requires authorization.
/// Requires Twitch partnership.
/// Requires channel_commercial.
/// </summary>
/// <param name="length">The length of the commercial</param>
/// <returns>
/// Returns true if the request succeeded.
/// Throws an exception if the user is not partnered.
/// </returns>
public async Task <bool> StartCommercial(TwitchConstants.CommercialLength length)
{
TwitchConstants.Scope relevantScope = TwitchConstants.Scope.ChannelCommercial;
if (authorized && authorizedScopes.Contains(relevantScope) && partnered)
{
Url url = new Url(TwitchConstants.baseUrl).AppendPathSegments("channels", name, "commercial");
Uri uri = new Uri(url.ToString());
string responseString;
try
{
responseString = await Twixel.PostWebData(uri, accessToken,
"length=" + TwitchConstants.LengthToInt(length).ToString(), version);
}
catch (TwitchException ex)
{
if (ex.Status == 422)
{
throw new TwixelException(ex.Message, ex);
}
else
{
throw new TwixelException(TwitchConstants.twitchAPIErrorString, ex);
}
}
if (string.IsNullOrEmpty(responseString))
{
return(true);
}
else
{
throw new TwixelException(TwitchConstants.unknownErrorString);
}
}
else
{
if (!authorized)
{
throw new TwixelException(NotAuthedError());
}
else if (!authorizedScopes.Contains(relevantScope))
{
throw new TwixelException(MissingPermissionError(relevantScope));
}
else if (!partnered)
{
throw new TwixelException(NotPartneredError());
}
else
{
throw new TwixelException(TwitchConstants.unknownErrorString);
}
}
}
private async void twitchLoginWebView_NavigationCompleted(WebView sender, WebViewNavigationCompletedEventArgs args)
{
if (twitchLoginWebView.Source.Host == "golf1052.com")
{
if (twitchLoginWebView.Source.Query != "?error=access_denied&error_description=The+user+denied+you+access")
{
twitchLoginWebView.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
string[] splitString = twitchLoginWebView.Source.Fragment.Split('=');
string[] secondSplitString = splitString[1].Split('&');
string[] scopes = splitString[2].Split('+');
List <TwitchConstants.Scope> authorizedScopes = new List <TwitchConstants.Scope>();
foreach (string scope in scopes)
{
authorizedScopes.Add(TwitchConstants.StringToScope(scope));
}
User user = null;
user = await AppConstants.twixel.RetrieveUserWithAccessToken(secondSplitString[0]);
JObject userData = new JObject();
userData["active"] = 0;
JObject userO = new JObject();
userO["name"] = user.name;
userO["access_token"] = user.accessToken;
userData["user"] = userO;
StorageFolder roamingFolder = ApplicationData.Current.RoamingFolder;
StorageFile usersFile = await roamingFolder.CreateFileAsync("usersFile.json", CreationCollisionOption.ReplaceExisting);
await FileIO.WriteTextAsync(usersFile, userData.ToString());
AppConstants.ActiveUser = user;
Frame.Navigate(typeof(HomePage));
}
else if (twitchLoginWebView.Source.Query == "?error=access_denied&error_description=The+user+denied+you+access")
{
Frame.Navigate(typeof(HomePage));
}
}
}
/// <summary>
/// Gets the status of an access token, if the token is valid this returns an
/// authorized user object
/// </summary>
/// <param name="accessToken">The access token</param>
/// <param name="version">Twitch API version</param>
/// <returns>
/// An authorized user if the request succeeds.
/// Throws an exception if the token is not valid.</returns>
public async Task <User> RetrieveUserWithAccessToken(string accessToken,
APIVersion version = APIVersion.None)
{
if (version == APIVersion.None)
{
version = DefaultVersion;
}
Url url = new Url(TwitchConstants.baseUrl);
Uri uri = new Uri(url.ToString());
string responseString;
try
{
responseString = await Twixel.GetWebData(uri, accessToken, version);
}
catch (TwitchException ex)
{
throw new TwixelException(TwitchConstants.twitchAPIErrorString, ex);
}
JObject responseObject = JObject.Parse(responseString);
JObject token = (JObject)responseObject["token"];
if ((bool)token["valid"])
{
JArray userScopesA = (JArray)token["authorization"]["scopes"];
List <TwitchConstants.Scope> userScopes = new List <TwitchConstants.Scope>();
foreach (string scope in userScopesA)
{
userScopes.Add(TwitchConstants.StringToScope(scope));
}
return(await RetrieveAuthenticatedUser(accessToken, userScopes, version));
}
else
{
throw new TwixelException(accessToken + " is not a valid access token",
(JObject)responseObject["_links"]);
}
}
/// <summary>
/// Creates a URL that can be used to authenticate a user
/// </summary>
/// <param name="scopes">The permissions you are requesting. Must contain at least one permission.</param>
/// <returns>
/// Returns a URL to be used for authenticating a user.
/// Throws an exception if the scopes list contained no scopes.
/// </returns>
public Uri Login(List <TwitchConstants.Scope> scopes)
{
if (scopes == null)
{
throw new TwixelException("The list of scopes cannot be null.");
}
if (scopes.Count > 0)
{
List <TwitchConstants.Scope> cleanScopes = new List <TwitchConstants.Scope>();
for (int i = 0; i < scopes.Count; i++)
{
if (!cleanScopes.Contains(scopes[i]))
{
cleanScopes.Add(scopes[i]);
}
else
{
scopes.RemoveAt(i);
i--;
}
}
Url url = new Url(TwitchConstants.baseUrl).AppendPathSegments("oauth2", "authorize").SetQueryParams(new
{
response_type = "token",
client_id = clientID,
redirect_uri = redirectUrl,
scope = TwitchConstants.ListOfScopesToStringOfScopes(scopes)
});
Uri uri = new Uri(url.ToString());
return(uri);
}
else
{
throw new TwixelException("You must have at least 1 scope.");
}
}
private async void webView_NavigationCompleted(WebView sender, WebViewNavigationCompletedEventArgs args)
{
if (webView.Source.Host == "golf1052.com")
{
if (webView.Source.Query != "?error=access_denied&error_description=The+user+denied+you+access")
{
webView.Visibility = Visibility.Collapsed;
string[] splitString = webView.Source.Fragment.Split('=');
string[] secondSplitString = splitString[1].Split('&');
string[] scopes = splitString[2].Split('+');
List <TwitchConstants.Scope> authorizedScopes = new List <TwitchConstants.Scope>();
foreach (string scope in scopes)
{
authorizedScopes.Add(TwitchConstants.StringToScope(scope));
}
User user = null;
try
{
user = await AppConstants.Twixel.RetrieveUserWithAccessToken(secondSplitString[0]);
}
catch (TwixelException ex)
{
if (ex.Message == TwitchConstants.twitchAPIErrorString)
{
await HelperMethods.ShowMessageDialog("There was a problem trying to authenticate. Here's the error:\n" + ex.Error.Error);
}
else
{
await HelperMethods.ShowMessageDialog(ex.Message);
}
}
catch (Exception ex)
{
await HelperMethods.ShowMessageDialog("There was a general error.\n" + ex.Message);
}
finally
{
Frame.Navigate(typeof(HomePage));
}
ApplicationDataContainer roamingSettings = ApplicationData.Current.RoamingSettings;
StorageFolder roamingFolder = ApplicationData.Current.RoamingFolder;
StorageFile usersFile = await roamingFolder.GetFileAsync("Users.json");
string usersDataString = await FileIO.ReadTextAsync(usersFile);
JObject userO = new JObject();
userO["name"] = user.name;
userO["access_token"] = user.accessToken;
if (string.IsNullOrEmpty(usersDataString))
{
JArray usersA = new JArray();
usersA.Add(userO);
await FileIO.WriteTextAsync(usersFile, usersA.ToString());
}
else
{
JArray usersA = JArray.Parse(usersDataString);
bool foundUser = false;
foreach (JObject fileUser in usersA)
{
if ((string)fileUser["name"] == user.name)
{
fileUser["access_token"] = user.accessToken;
foundUser = true;
break;
}
}
if (!foundUser)
{
usersA.Add(userO);
}
await FileIO.WriteTextAsync(usersFile, usersA.ToString());
}
roamingSettings.Values["activeUser"] = user.name;
AppConstants.activeUser = user;
Frame.Navigate(typeof(HomePage));
}
else
{
Frame.Navigate(typeof(HomePage));
}
}
}
/// <summary>
/// Starts a commercial on this user's live stream. Requires user authorization. Requires Twitch partnership
/// </summary>
/// <param name="length">The length of the commercial</param>
/// <returns>If the request succeeded</returns>
public async Task <bool> StartCommercial(TwitchConstants.Length length)
{
if (authorized && authorizedScopes.Contains(TwitchConstants.Scope.ChannelCommercial))
{
Uri uri;
uri = new Uri("https://api.twitch.tv/kraken/channels/test_user1/commercial");
string responseString = await Twixel.PostWebData(uri, accessToken, "length=" + TwitchConstants.LengthToInt(length).ToString());
if (responseString == "")
{
return(true);
}
else if (responseString == "422")
{
twixel.CreateError("You are not partnered so you cannot run commercials");
return(false);
}
else
{
twixel.CreateError(responseString);
return(false);
}
}
else
{
if (!authorized)
{
twixel.CreateError(name + " is not authorized");
}
else if (!authorizedScopes.Contains(TwitchConstants.Scope.ChannelCommercial))
{
twixel.CreateError(name + " has not given channel_commercial permissions");
}
return(false);
}
}
private string MissingPermissionError(TwitchConstants.Scope scope)
{
return(name + " has not given " + TwitchConstants.ScopeToString(scope) + " permissions.");
}
