public static void TestOperationsTimeElapsed(int maxItemsQuantity)
{
string searchTerm = CommandLine.RequestUserInput <string>("Search term: ");
YouTubeAPIv3 api = new YouTubeAPIv3();
TimeElapsedResult result = api.TestOperationsTimeElapsed(maxItemsQuantity, searchTerm);
CommandLine.WriteLine("\n");
// Shows elapsed times for search list operation
CommandLine.WriteLine("Search List Operation");
CommandLine.WriteLine("----------------");
Console.WriteLine(string.Format("Average: {0}", result.ElapsedSearch.Average()));
Console.WriteLine(string.Format("Max: {0}", result.ElapsedSearch.Max()));
CommandLine.WriteLine("\n");
// Shows elapsed times for video list operation
CommandLine.WriteLine("Video List Operation");
CommandLine.WriteLine("----------------");
Console.WriteLine(string.Format("Average: {0}", result.ElapsedVideo.Average()));
Console.WriteLine(string.Format("Max: {0}", result.ElapsedVideo.Max()));
CommandLine.WriteLine("\n");
// Shows elapsed times for channel list operation
CommandLine.WriteLine("Channel List Operation");
CommandLine.WriteLine("----------------");
Console.WriteLine(string.Format("Average: {0}", result.ElapsedChannel.Average()));
Console.WriteLine(string.Format("Max: {0}", result.ElapsedChannel.Max()));
CommandLine.WriteLine("\n");
CommandLine.WriteLine(String.Format("Total Videos:{0}", result.Results.Count));
CommandLine.PressAnyKeyToExit();
}
/// <summary>
/// Test the time elapsed in different API operations, in order to evaluate performance.
/// </summary>
/// <param name="maxItemsQuantity"></param>
/// <returns></returns>
public TimeElapsedResult TestOperationsTimeElapsed(int maxItemsQuantity, string searchTerm)
{
// Counters
TimeElapsedResult result = new TimeElapsedResult();
var youtube = new YouTubeService(new BaseClientService.Initializer());
SearchResource.ListRequest listRequest = youtube.Search.List("snippet");
listRequest.Fields = "items(id, snippet(title, description, publishedAt, thumbnails, channelId, channelTitle))";
listRequest.Key = API_KEY;
listRequest.Type = ResourceTypes.Video;
listRequest.MaxResults = MAX_RESULTS_PER_PAGE;
if (!string.IsNullOrEmpty(LOCATION))
{
listRequest.Location = LOCATION;
}
if (!string.IsNullOrEmpty(LOCATION_RADIUS))
{
listRequest.LocationRadius = LOCATION_RADIUS;
}
listRequest.Q = searchTerm;
listRequest.Order = SearchResource.ListRequest.OrderEnum.Date;
var stopwatch = Stopwatch.StartNew();
SearchListResponse searchResponse = listRequest.Execute();
result.ElapsedSearch.Add(stopwatch.ElapsedMilliseconds);
List <SearchResult> results = new List <SearchResult>();
List <string> videosIds = new List <string>();
List <string> channelIds = new List <string>();
int currentCounter = 0;
while (searchResponse.Items.Count > 0 && currentCounter < maxItemsQuantity)
{
videosIds.AddRange(searchResponse.Items.Select(v => v.Id.VideoId));
channelIds.AddRange(searchResponse.Items.Select(v => v.Snippet.ChannelId));
results.AddRange(searchResponse.Items);
// Gets oldest element
var oldest = searchResponse.Items.OrderBy(i => i.Snippet.PublishedAt).FirstOrDefault();
// Avoids getting the oldest again
listRequest.PublishedBefore = oldest.Snippet.PublishedAt.Value.AddSeconds(-1);
currentCounter += searchResponse.Items.Count;
if (currentCounter < maxItemsQuantity)
{
// Performs the search
stopwatch = Stopwatch.StartNew();
searchResponse = listRequest.Execute();
result.ElapsedSearch.Add(stopwatch.ElapsedMilliseconds);
}
}
// Retrieves videos recording details (location)
List <string> videosToRetrieve = videosIds.Take(50).ToList();
videosIds = videosIds.Skip(50).ToList();
while (videosToRetrieve.Count > 0)
{
VideosResource.ListRequest videosRequest = youtube.Videos.List("recordingDetails");
videosRequest.Key = API_KEY;
videosRequest.MaxResults = MAX_RESULTS_PER_PAGE;
videosRequest.Id = string.Join(",", videosToRetrieve.ToArray());
stopwatch = Stopwatch.StartNew();
VideoListResponse videosResponse = videosRequest.Execute();
result.ElapsedVideo.Add(stopwatch.ElapsedMilliseconds);
videosToRetrieve = videosIds.Take(50).ToList();
videosIds = videosIds.Skip(50).ToList();
}
// Retrieves channels
List <string> channelsToRetrieve = channelIds.Take(50).ToList();
channelIds = channelIds.Skip(50).ToList();
while (channelsToRetrieve.Count > 0)
{
ChannelsResource.ListRequest channelRequest = youtube.Channels.List("snippet");
channelRequest.Key = API_KEY;
channelRequest.MaxResults = MAX_RESULTS_PER_PAGE;
channelRequest.Id = string.Join(",", channelsToRetrieve.ToArray());
stopwatch = Stopwatch.StartNew();
ChannelListResponse channelsResponse = channelRequest.Execute();
result.ElapsedChannel.Add(stopwatch.ElapsedMilliseconds);
channelsToRetrieve = channelIds.Take(50).ToList();
channelIds = channelIds.Skip(50).ToList();
}
result.Results = results;
return(result);
}
