// Last.fm requires you to 'tune' to a station before requesting a track list/playing it
public bool ChangeToThisStation()
{
if (lastfm.Connection.Station == Station)
{
return(false);
}
Log.Debug(String.Format("Tuning Last.fm to {0}", Name), null);
SetStatus(Catalog.GetString("Tuning Last.fm to {0}."), false);
StationError error = lastfm.Connection.ChangeStationTo(Station);
if (error == StationError.None)
{
Log.Debug(String.Format("Successfully tuned Last.fm to {0}", station), null);
return(true);
}
else
{
Log.Debug(String.Format("Failed to tune Last.fm to {0}", Name), RadioConnection.ErrorMessageFor(error));
SetStatus(String.Format(
// Translators: {0} is an error message sentence from RadioConnection.cs.
Catalog.GetString("Failed to tune in station. {0}"), RadioConnection.ErrorMessageFor(error)), true
);
return(false);
}
}
public StationError ChangeStationTo(string station)
{
lock (this) {
if (Station == station)
{
return(StationError.None);
}
try {
LastfmRequest radio_tune = new LastfmRequest("radio.tune", RequestType.Write, ResponseFormat.Json);
radio_tune.AddParameter("station", station);
radio_tune.Send();
StationError error = radio_tune.GetError();
if (error != StationError.None)
{
return(error);
}
this.station = station;
return(StationError.None);
} catch (Exception e) {
Log.Error(e);
return(StationError.Unknown);
}
}
}
private void OnNowPlayingResponse(IAsyncResult ar)
{
try {
current_now_playing_request.EndSend(ar);
} catch (Exception e) {
Log.Exception("Failed to complete the NowPlaying request", e);
state = State.Idle;
current_now_playing_request = null;
return;
}
StationError error = current_now_playing_request.GetError();
// API docs say "Now Playing requests that fail should not be retried".
if (error == StationError.InvalidSessionKey)
{
Log.Warning("Audioscrobbler NowPlaying failed", "Session ID sent was invalid", false);
// TODO: Suggest to the user to (re)do the Last.fm authentication ?
}
else if (error != StationError.None)
{
Log.WarningFormat("Audioscrobbler NowPlaying failed: {0}", error.ToString());
}
else
{
Log.Debug("Submitted NowPlaying track to Audioscrobbler");
now_playing_started = false;
}
current_now_playing_request = null;
}
// Translated error message strings
public static string ErrorMessageFor(StationError error)
{
switch (error)
{
case StationError.InvalidService:
case StationError.InvalidMethod:
return(Catalog.GetString("This service does not exist."));
case StationError.AuthenticationFailed:
case StationError.SubscriptionError:
case StationError.SubscriptionRequired:
return(Catalog.GetString("This station is only available to subscribers."));
case StationError.InvalidFormat:
return(Catalog.GetString("This station is not available."));
case StationError.InvalidParameters:
return(Catalog.GetString("The request is missing a required parameter."));
case StationError.InvalidResource:
return(Catalog.GetString("The specified resource is invalid."));
case StationError.TokenFailure:
return(Catalog.GetString("Server error, please try again later."));
case StationError.InvalidSessionKey:
return(Catalog.GetString("Invalid authentication information, please re-authenticate."));
case StationError.InvalidApiKey:
return(Catalog.GetString("The API key used by this application is invalid."));
case StationError.ServiceOffline:
return(Catalog.GetString("The streaming system is offline for maintenance, please try again later."));
case StationError.InvalidSignature:
return(Catalog.GetString("The method signature is invalid."));
case StationError.TokenNotAuthorized:
case StationError.ExpiredToken:
return(Catalog.GetString("You need to allow Banshee to access your Last.fm account."));
case StationError.NotEnoughContent:
return(Catalog.GetString("There is not enough content to play this station."));
case StationError.NotEnoughMembers:
return(Catalog.GetString("This group does not have enough members for radio."));
case StationError.NotEnoughFans:
return(Catalog.GetString("This artist does not have enough fans for radio."));
case StationError.NotEnoughNeighbours:
return(Catalog.GetString("There are not enough neighbours for this station."));
case StationError.Unknown:
return(Catalog.GetString("There was an unknown error."));
}
return(String.Empty);
}
private void validateStation()
{
if (String.IsNullOrEmpty(StationTextBox.Text))
{
StationError.SetError(StationTextBox, "You must enter a Station.");
}
else
{
StationError.SetError(StationTextBox, String.Empty);
}
}
public StationError GetError()
{
StationError error = StationError.None;
SetResponseString();
if (response_string == null)
{
return(StationError.Unknown);
}
if (response_string.Contains("<lfm status=\"failed\">"))
{
// XML reply indicates an error
Match match = Regex.Match(response_string, "<error code=\"(\\d+)\">");
if (match.Success)
{
error = (StationError)Int32.Parse(match.Value);
Log.WarningFormat("Lastfm error {0}", error);
}
else
{
error = StationError.Unknown;
}
}
if (response_format == ResponseFormat.Json && response_string.Contains("\"error\":"))
{
// JSON reply indicates an error
Deserializer deserializer = new Deserializer(response_string);
JsonObject json = deserializer.Deserialize() as JsonObject;
if (json != null && json.ContainsKey("error"))
{
error = (StationError)json["error"];
Log.WarningFormat("Lastfm error {0} : {1}", error, (string)json["message"]);
}
}
return(error);
}
// Translated error message strings
public static string ErrorMessageFor(StationError error)
{
switch (error)
{
case StationError.InvalidService:
case StationError.InvalidMethod:
return(Catalog.GetString("This service does not exist."));
case StationError.AuthenticationFailed:
case StationError.SubscriptionError:
case StationError.SubscriptionRequired:
return(Catalog.GetString("Stations are only available to paying Last.fm subscribers."));
case StationError.InvalidFormat:
return(Catalog.GetString("This station is not available."));
case StationError.InvalidParameters:
return(Catalog.GetString("The request is missing a required parameter."));
case StationError.InvalidResource:
return(Catalog.GetString("The specified resource is invalid."));
case StationError.TokenFailure:
return(Catalog.GetString("Server error, please try again later."));
case StationError.InvalidSessionKey:
return(Catalog.GetString("Invalid authentication information, please re-authenticate."));
case StationError.InvalidApiKey:
return(Catalog.GetString("The API key used by this application is invalid."));
case StationError.ServiceOffline:
return(Catalog.GetString("The streaming system is offline for maintenance, please try again later."));
case StationError.InvalidSignature:
return(Catalog.GetString("The method signature is invalid."));
case StationError.TokenNotAuthorized:
case StationError.ExpiredToken:
return(Catalog.GetString("You need to allow Banshee to access your Last.fm account."));
case StationError.NotEnoughContent:
return(Catalog.GetString("There is not enough content to play this station."));
case StationError.NotEnoughMembers:
return(Catalog.GetString("This group does not have enough members for radio."));
case StationError.NotEnoughFans:
return(Catalog.GetString("This artist does not have enough fans for radio."));
case StationError.NotEnoughNeighbours:
return(Catalog.GetString("There are not enough neighbours for this station."));
case StationError.NoPeakRadio:
return(Catalog.GetString("This user is not allowed to listen to radio during peak usage"));
case StationError.RadioNotFound:
return(Catalog.GetString("Radio station not found"));
case StationError.ApiKeySuspended:
return(Catalog.GetString("This application is not allowed to make requests to the web services"));
case StationError.Deprecated:
return(Catalog.GetString("This type of request is no longer supported"));
case StationError.RateLimitExceded:
return(Catalog.GetString("Your IP has made too many requests in a short period, exceeding our API guidelines"));
case StationError.Unknown:
return(Catalog.GetString("There was an unknown error."));
}
return(String.Empty);
}
// Translated error message strings
public static string ErrorMessageFor (StationError error)
{
switch (error) {
case StationError.InvalidService:
case StationError.InvalidMethod:
return Catalog.GetString ("This service does not exist.");
case StationError.AuthenticationFailed:
case StationError.SubscriptionError:
case StationError.SubscriptionRequired:
return Catalog.GetString ("Stations are only available to paying Last.fm subscribers.");
case StationError.InvalidFormat:
return Catalog.GetString ("This station is not available.");
case StationError.InvalidParameters:
return Catalog.GetString ("The request is missing a required parameter.");
case StationError.InvalidResource:
return Catalog.GetString ("The specified resource is invalid.");
case StationError.TokenFailure:
return Catalog.GetString ("Server error, please try again later.");
case StationError.InvalidSessionKey:
return Catalog.GetString ("Invalid authentication information, please re-authenticate.");
case StationError.InvalidApiKey:
return Catalog.GetString ("The API key used by this application is invalid.");
case StationError.ServiceOffline:
return Catalog.GetString ("The streaming system is offline for maintenance, please try again later.");
case StationError.InvalidSignature:
return Catalog.GetString ("The method signature is invalid.");
case StationError.TokenNotAuthorized:
case StationError.ExpiredToken:
return Catalog.GetString ("You need to allow Banshee to access your Last.fm account.");
case StationError.NotEnoughContent:
return Catalog.GetString ("There is not enough content to play this station.");
case StationError.NotEnoughMembers:
return Catalog.GetString ("This group does not have enough members for radio.");
case StationError.NotEnoughFans:
return Catalog.GetString ("This artist does not have enough fans for radio.");
case StationError.NotEnoughNeighbours:
return Catalog.GetString ("There are not enough neighbours for this station.");
case StationError.Unknown:
return Catalog.GetString ("There was an unknown error.");
}
return String.Empty;
}
// Translated error message strings
public static string ErrorMessageFor (StationError error)
{
switch (error) {
case StationError.InvalidService:
case StationError.InvalidMethod:
return Catalog.GetString ("This service does not exist.");
case StationError.AuthenticationFailed:
case StationError.SubscriptionError:
case StationError.SubscriptionRequired:
return Catalog.GetString ("Stations are only available to paying Last.fm subscribers.");
case StationError.InvalidFormat:
return Catalog.GetString ("This station is not available.");
case StationError.InvalidParameters:
return Catalog.GetString ("The request is missing a required parameter.");
case StationError.InvalidResource:
return Catalog.GetString ("The specified resource is invalid.");
case StationError.TokenFailure:
return Catalog.GetString ("Server error, please try again later.");
case StationError.InvalidSessionKey:
return Catalog.GetString ("Invalid authentication information, please re-authenticate.");
case StationError.InvalidApiKey:
return Catalog.GetString ("The API key used by this application is invalid.");
case StationError.ServiceOffline:
return Catalog.GetString ("The streaming system is offline for maintenance, please try again later.");
case StationError.InvalidSignature:
return Catalog.GetString ("The method signature is invalid.");
case StationError.TokenNotAuthorized:
case StationError.ExpiredToken:
return Catalog.GetString ("You need to allow Banshee to access your Last.fm account.");
case StationError.NotEnoughContent:
return Catalog.GetString ("There is not enough content to play this station.");
case StationError.NotEnoughMembers:
return Catalog.GetString ("This group does not have enough members for radio.");
case StationError.NotEnoughFans:
return Catalog.GetString ("This artist does not have enough fans for radio.");
case StationError.NotEnoughNeighbours:
return Catalog.GetString ("There are not enough neighbours for this station.");
case StationError.NoPeakRadio:
return Catalog.GetString ("This user is not allowed to listen to radio during peak usage");
case StationError.RadioNotFound:
return Catalog.GetString ("Radio station not found");
case StationError.ApiKeySuspended:
return Catalog.GetString ("This application is not allowed to make requests to the web services");
case StationError.Deprecated:
return Catalog.GetString ("This type of request is no longer supported");
case StationError.RateLimitExceded:
return Catalog.GetString ("Your IP has made too many requests in a short period, exceeding our API guidelines");
case StationError.Unknown:
return Catalog.GetString ("There was an unknown error.");
}
return String.Empty;
}
public void GetStationError()
{
StationError err = jbc_api.GetStationError(station_id);
Trace.WriteLine("STATION ERROR: " + err.ToString());
}
