public static T CreateErrorResponse <T>(LastFmApiError error) where T : LastResponse, new()
{
var r = new T
{
Success = false,
Error = error
};
return(r);
}
public static PageResponse <T> CreateErrorResponse(LastFmApiError error)
{
var r = new PageResponse <T>
{
Success = false,
Error = error
};
r.AddDefaultPageInfo();
return(r);
}
/// <summary>
/// TODO see issue #5
/// </summary>
/// <param name="json">String of JSON</param>
/// <param name="error">Enum indicating the error, .None if there is no error</param>
/// <returns>True when the JSON could be parsed and it didn't describe a known Last.Fm error.</returns>
public static bool IsResponseValid(string json, out LastFmApiError error)
{
if (string.IsNullOrWhiteSpace(json))
{
error = LastFmApiError.Unknown;
return(false);
}
JObject jo;
try
{
jo = JsonConvert.DeserializeObject <JObject>(json);
}
catch (JsonException)
{
error = LastFmApiError.Unknown;
return(false);
}
var codeString = jo.Value <string>("error");
if (string.IsNullOrWhiteSpace(codeString) && json.Length > 1)
{
error = LastFmApiError.None;
return(true);
}
error = LastFmApiError.Unknown;
int code;
if (Int32.TryParse(codeString, out code))
{
switch (code)
{
case 2:
error = LastFmApiError.ServiceServiceWhereArtThou;
break;
case 3:
error = LastFmApiError.BadMethod;
break;
case 4:
error = LastFmApiError.BadAuth;
break;
case 5:
error = LastFmApiError.BadFormat;
break;
case 6:
error = LastFmApiError.MissingParameters;
break;
case 7:
error = LastFmApiError.BadResource;
break;
case 8:
error = LastFmApiError.Failure;
break;
case 9:
error = LastFmApiError.SessionExpired;
break;
case 10:
error = LastFmApiError.BadApiKey;
break;
case 11:
error = LastFmApiError.ServiceDown;
break;
case 13:
error = LastFmApiError.BadMethodSignature;
break;
case 16:
error = LastFmApiError.TemporaryFailure;
break;
case 26:
error = LastFmApiError.KeySuspended;
break;
case 29:
error = LastFmApiError.RateLimited;
break;
}
}
return(false);
}
