public void IndexAsync(string t, string y, string l)
{
AsyncManager.OutstandingOperations.Increment();
if (string.IsNullOrEmpty(t))
{
// error
AsyncManager.Parameters["result"] = null;
AsyncManager.OutstandingOperations.Decrement();
return;
}
string imdbUrl;
if (string.IsNullOrEmpty(y))
{
imdbUrl = string.Format("http://imdbapi.com/?t={0}&plot=full", t);
}
else
{
imdbUrl = string.Format("http://imdbapi.com/?t={0}&y={1}&plot=full", t, y);
}
var httpClient = new HttpClient();
var imdbTask = httpClient.GetAsync(imdbUrl);
var info = new MovieInfo();
var detailsTask = imdbTask.ContinueWith(task => ProcessIMDbResult(task, info, l));
detailsTask.ContinueWith(task =>
{
AsyncManager.Parameters["result"] = info;
AsyncManager.OutstandingOperations.Decrement();
});
}
public static IEnumerator<Task> CreateTranslatorRequestIterator(string language, MovieInfo movieInfo)
{
if (string.IsNullOrEmpty(language))
{
var tcs = new TaskCompletionSource<MovieInfo>();
tcs.SetResult(movieInfo);
yield return tcs.Task;
yield break;
}
else
{
var tasks = new List<Task>();
if (!string.IsNullOrEmpty(movieInfo.Plot))
{
tasks.Add(
ProcessBingIterator(movieInfo.Plot, language).Run<string>().ContinueWith(task1 =>
{
movieInfo.Plot = task1.Result;
}));
}
if (movieInfo.NYTimesReviews != null)
{
foreach (var review in movieInfo.NYTimesReviews)
{
if (!string.IsNullOrEmpty(review.Summary))
{
tasks.Add(ProcessBingIterator(review.Summary, language).Run<string>().ContinueWith(task =>
{
review.Summary = task.Result;
}));
}
if (!string.IsNullOrEmpty(review.Review))
{
tasks.Add(ProcessBingIterator(review.Review, language).Run<string>().ContinueWith(task =>
{
review.Review = task.Result;
}));
}
}
}
var taskWhenAll = TaskUtils.WhenAll(tasks.ToArray());
yield return taskWhenAll;
var tcs3 = new TaskCompletionSource<MovieInfo>();
tcs3.SetResult(movieInfo);
yield return tcs3.Task;
}
}
public MovieInfo(MovieInfo other)
{
this.Title = other.Title;
this.Year = other.Year;
this.Director = other.Director;
this.Plot = other.Plot;
this.CoverUrl = other.CoverUrl;
// no need to copy photo links
this.FlickrPhotos = other.FlickrPhotos;
// copy reviews
if (other.NYTimesReviews != null)
{
this.NYTimesReviews = new List<MovieReview>();
foreach (var review in other.NYTimesReviews)
{
this.NYTimesReviews.Add(new MovieReview(review));
}
}
}
public static IEnumerator<Task> CreateMovieRequestIterator(string imdbUrl)
{
var httpClient = new HttpClient();
var imdbTask = httpClient.GetAsync(imdbUrl);
yield return imdbTask;
if (!imdbTask.Result.IsSuccessStatusCode)
{
var tcs2 = new TaskCompletionSource<MovieInfo>();
tcs2.SetResult(null);
yield return tcs2.Task;
yield break;
}
var taskReadImdbObject = imdbTask.Result.Content.ReadAsStreamAsync();
yield return taskReadImdbObject;
JavaScriptSerializer jsonMaster = new JavaScriptSerializer();
IMDbObj imdbObj = jsonMaster.Deserialize<IMDbObj>(new StreamReader(taskReadImdbObject.Result).ReadToEnd());
var info = new MovieInfo()
{
Title = imdbObj.Title,
Year = imdbObj.Year,
Director = imdbObj.Director,
CoverUrl = imdbObj.Poster,
Plot = imdbObj.Plot
};
var taskWhenAll = TaskUtils.WhenAll(
CreateFlickrTask(imdbObj, info),
CreateNYTimesTask(imdbObj, info)
);
yield return taskWhenAll;
var tcs3 = new TaskCompletionSource<MovieInfo>();
tcs3.SetResult(info);
yield return tcs3.Task;
}
public void ProcessIMDbResult(Task<HttpResponseMessage> task, MovieInfo info, string l)
{
IMDbObj imdbObj = null;
if (task.Result.IsSuccessStatusCode)
{
// TODO error handling
JavaScriptSerializer jsonMaster = new JavaScriptSerializer();
// TODO?
var task2 = task.Result.Content.ReadAsStreamAsync();
imdbObj = jsonMaster.Deserialize<IMDbObj>(new StreamReader(task2.Result).ReadToEnd());
}
info.Title = imdbObj.Title;
info.Year = imdbObj.Year;
info.Director = imdbObj.Director;
info.CoverUrl = imdbObj.Poster;
var httpClient = new HttpClient();
var flickrUrl = string.Format("http://api.flickr.com/services/rest/?method=flickr.photos.search&api_key={0}&format=json&nojsoncallback=1&text={1}+{2}&sort=interestingness-desc",
_flickrKey, imdbObj.Title, imdbObj.Director);
var taskFlickr = httpClient.GetAsync(flickrUrl);
taskFlickr.ContinueWith(ProcessFlickrResult, TaskContinuationOptions.AttachedToParent);
var year = Convert.ToInt32(imdbObj.Year);
var nyTimesUrl = string.Format("http://api.nytimes.com/svc/movies/v2/reviews/search.json?query={0}&api-key={1}&opening-date={2}-01-01;{3}-12-31",
imdbObj.Title, _nyTimesKey, year, year + 1);
var taskNYTimes = httpClient.GetAsync(nyTimesUrl);
taskNYTimes.ContinueWith(ProcessNYTimesResult, TaskContinuationOptions.AttachedToParent);
if (!string.IsNullOrEmpty(l))
{
var bingUrl = string.Format("http://api.bing.net/json.aspx?AppId={0}&Query={PLOT|CAPSULE-REVIEW}&Sources=Translation&Version=2.2&Translation.SourceLanguage=en&Translation.TargetLanguage={1}",
_bingKey, l);
var taskBing = httpClient.GetAsync(bingUrl);
taskBing.ContinueWith(ProcessBingResult, TaskContinuationOptions.AttachedToParent);
}
}
public ActionResult IndexCompleted(MovieInfo result)
{
return Json(result, JsonRequestBehavior.AllowGet);
}
private static Task CreateNYTimesTask(IMDbObj imdbObj, MovieInfo info)
{
var tcs = new TaskCompletionSource<MovieInfo>();
var year = Convert.ToInt32(imdbObj.Year);
var nyTimesUrl = string.Format("http://api.nytimes.com/svc/movies/v2/reviews/search.json?query={0}&api-key={1}&opening-date={2}-01-01;{3}-12-31",
imdbObj.Title, _nyTimesKey, year, year + 1);
var httpClient = new HttpClient();
var requestTask = httpClient.GetAsync(nyTimesUrl);
requestTask.ContinueWith(t1 =>
{
if (t1.Result.IsSuccessStatusCode)
{
var taskReadObject = requestTask.Result.Content.ReadAsStreamAsync();
taskReadObject.ContinueWith(t2 =>
{
JavaScriptSerializer jsonMaster = new JavaScriptSerializer();
var nyTimesObj = jsonMaster.Deserialize<NYTimesObj>(new StreamReader(t2.Result).ReadToEnd());
if (nyTimesObj.num_results > 0)
{
info.NYTimesReviews = new List<MovieReview>();
foreach (var critic in nyTimesObj.results)
{
info.NYTimesReviews.Add(new MovieReview()
{
Reviewer = critic.byline,
Summary = critic.summary_short,
Review = critic.capsule_review,
Url = critic.link.url
});
}
tcs.SetResult(info);
}
});
}
});
return tcs.Task;
}
private static Task CreateFlickrTask(IMDbObj imdbObj, MovieInfo info)
{
var tcs = new TaskCompletionSource<MovieInfo>();
var httpClient = new HttpClient();
var flickrUrl = string.Format("http://api.flickr.com/services/rest/?method=flickr.photos.search&api_key={0}&format=json&nojsoncallback=1&text={1}+{2}&sort=interestingness-desc",
_flickrKey, imdbObj.Title, imdbObj.Director);
var taskFlickr = httpClient.GetAsync(flickrUrl);
taskFlickr.ContinueWith(t =>
{
if (t.Result.IsSuccessStatusCode)
{
var taskReadFlickrObj = t.Result.Content.ReadAsStreamAsync();
taskReadFlickrObj.ContinueWith(t2 =>
{
JavaScriptSerializer jsonMaster = new JavaScriptSerializer();
var flickrInfo = jsonMaster.Deserialize<FlickrObj>(new StreamReader(t2.Result).ReadToEnd());
info.FlickrPhotos = flickrInfo.Photos.Photo.Select(p =>
string.Format("http://farm{0}.static.flickr.com/{1}/{2}_{3}.jpg",
p.Farm, p.Server, p.Id, p.Secret)).ToList();
tcs.SetResult(info);
});
}
});
return tcs.Task;
}
