private async Task <MalRecResults <IEnumerable <IRecommendation> > > GetMalRecommendationsAsync(Operation <GetMalRecsRequest> operation, TimeSpan timeout, CancellationToken cancellationToken)
{
GetMalRecsResponse response = await DoOperationWithResponseBodyAsync <GetMalRecsResponse>(
operation, timeout, cancellationToken, descriptionForErrors : "getting recommendations").ConfigureAwait(false);
// This should be set as if we were running against an in-process rec source.
// So it should be an IEnumerable<AverageScoreRecommendation> if getting recs from an AverageScore rec source, etc.
// MalRecResultsExtensions.cs contains extension methods for "casting" MalRecResults to a strongly-typed MalRecResults.
IEnumerable <IRecommendation> results;
Type responseType = response.GetType();
// check if m_responseToRecs implements IResponseToRecsConverter<responseType>
Type converterInterfaceOpenType = typeof(IResponseToRecsConverter <>);
Type converterInterfaceClosedType = converterInterfaceOpenType.MakeGenericType(responseType);
if (converterInterfaceClosedType.IsInstanceOfType(m_responseToRecs))
{
// Good, we have a handler.
MethodInfo converterMethod = converterInterfaceClosedType.GetMethod(ResponseToRecsConverter.ConvertMethodName);
object conversionResultObj = converterMethod.Invoke(m_responseToRecs, new object[] { response });
results = (IEnumerable <IRecommendation>)conversionResultObj;
}
else
{
// Fallback. This will throw an exception if the recommendation DTO type is registered in the DTO assembly
// but no handler is registered in this assembly.
GetMalRecsResponse <DTO.Recommendation> specificResponse = (GetMalRecsResponse <DTO.Recommendation>)response;
List <IRecommendation> recommendations = new List <IRecommendation>();
foreach (DTO.Recommendation dtoRec in specificResponse.Recommendations)
{
recommendations.Add(new BasicRecommendation(dtoRec.MalAnimeId));
}
results = recommendations;
}
Dictionary <int, RecEngine.MAL.MalAnime> animes = new Dictionary <int, RecEngine.MAL.MalAnime>();
foreach (DTO.MalAnime dtoAnime in response.Animes)
{
animes[dtoAnime.MalAnimeId] = new RecEngine.MAL.MalAnime(dtoAnime.MalAnimeId, dtoAnime.MalAnimeType, dtoAnime.Title);
}
MalRecResults <IEnumerable <IRecommendation> > resultsWithAnimes = new MalRecResults <IEnumerable <IRecommendation> >(results, animes, response.RecommendationType);
return(resultsWithAnimes);
}
public static MalRecResults <IEnumerable <AnimeRecs.RecEngine.RatingPredictionRecommendation> > AsRatingPredictionResults(this MalRecResults <IEnumerable <IRecommendation> > basicResults)
{
if (basicResults.RecommendationType.Equals(RecommendationTypes.RatingPrediction, StringComparison.OrdinalIgnoreCase))
{
IEnumerable <AnimeRecs.RecEngine.RatingPredictionRecommendation> results = (IEnumerable <AnimeRecs.RecEngine.RatingPredictionRecommendation>)basicResults.Results;
return(new MalRecResults <IEnumerable <RecEngine.RatingPredictionRecommendation> >(results, basicResults.AnimeInfo, basicResults.RecommendationType));
}
else
{
return(null);
}
}
public static MalRecResults <RecEngine.MAL.MalAnimeRecsResults> AsAnimeRecsResults(this MalRecResults <IEnumerable <IRecommendation> > basicResults)
{
if (basicResults.RecommendationType.Equals(RecommendationTypes.AnimeRecs, StringComparison.OrdinalIgnoreCase))
{
RecEngine.MAL.MalAnimeRecsResults results = (RecEngine.MAL.MalAnimeRecsResults)basicResults.Results;
return(new MalRecResults <RecEngine.MAL.MalAnimeRecsResults>(results, basicResults.AnimeInfo, basicResults.RecommendationType));
}
else
{
return(null);
}
}
public static MalRecResults <T> CastRecs <T>(this MalRecResults <IEnumerable <IRecommendation> > basicResults)
where T : IEnumerable <IRecommendation>
{
return(new MalRecResults <T>((T)basicResults.Results, basicResults.AnimeInfo, basicResults.RecommendationType));
}