public async Task <SimilarItemViewModel> GetSimilarItems(string movieItemId)
{
SimilarItemViewModel results = null;
try
{
//RELATED_ITEMS -- itemId required
var relateditemsrequest = new GetRecommendationsRequest
{
CampaignArn = AwsParameterStoreClient.GetSimsArn(), //sims-arn
ItemId = movieItemId,
NumResults = 10
};
var relateditemsrequestresponse = await AmazonPersonalizeRuntimeClient.GetRecommendationsAsync(relateditemsrequest);
var relateditemsrequestrecommendedItems = relateditemsrequestresponse.ItemList;
var json = JsonConvert.SerializeObject(relateditemsrequestrecommendedItems);
Logger.LogInformation("GetSimilarItems for movie:" + movieItemId + ": " + json);
results = new SimilarItemViewModel
{
//selected movie
Movie = await _storageService.GetMovieData(movieItemId)
};
List <string> itemIds = relateditemsrequestrecommendedItems.Select(s => s.ItemId).ToList();
results.SimilarItems.Movies = await _storageService.GetMovieData(itemIds.ToArray());
return(results);
}
catch (Exception ex)
{
throw;
}
}
public SimilarViewPageModel()
{
SimilarItemViewModel = new SimilarItemViewModel();
MostPopularItems = new MostPopularItems();
}