jellyfin-server/MediaBrowser.Providers/Movies/FanArtMovieUpdatesPostScanTask.cs
2015-01-18 00:45:10 -05:00

197 lines
7.1 KiB
C#

using MediaBrowser.Common.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Providers.Music;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Providers.TV;
namespace MediaBrowser.Providers.Movies
{
class FanartMovieUpdatesPostScanTask : ILibraryPostScanTask
{
private const string UpdatesUrl = "http://webservice.fanart.tv/v3/movies/latest?api_key={0}&date={1}";
/// <summary>
/// The _HTTP client
/// </summary>
private readonly IHttpClient _httpClient;
/// <summary>
/// The _logger
/// </summary>
private readonly ILogger _logger;
/// <summary>
/// The _config
/// </summary>
private readonly IServerConfigurationManager _config;
private readonly IJsonSerializer _jsonSerializer;
private readonly IFileSystem _fileSystem;
private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
public FanartMovieUpdatesPostScanTask(IJsonSerializer jsonSerializer, IServerConfigurationManager config, ILogger logger, IHttpClient httpClient, IFileSystem fileSystem)
{
_jsonSerializer = jsonSerializer;
_config = config;
_logger = logger;
_httpClient = httpClient;
_fileSystem = fileSystem;
}
/// <summary>
/// Runs the specified progress.
/// </summary>
/// <param name="progress">The progress.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public async Task Run(IProgress<double> progress, CancellationToken cancellationToken)
{
var options = FanartSeriesProvider.Current.GetFanartOptions();
if (!options.EnableAutomaticUpdates)
{
progress.Report(100);
return;
}
var path = FanartMovieImageProvider.GetMoviesDataPath(_config.CommonApplicationPaths);
Directory.CreateDirectory(path);
var timestampFile = Path.Combine(path, "time.txt");
var timestampFileInfo = new FileInfo(timestampFile);
// Don't check for updates every single time
if (timestampFileInfo.Exists && (DateTime.UtcNow - _fileSystem.GetLastWriteTimeUtc(timestampFileInfo)).TotalDays < 3)
{
return;
}
// Find out the last time we queried for updates
var lastUpdateTime = timestampFileInfo.Exists ? File.ReadAllText(timestampFile, Encoding.UTF8) : string.Empty;
var existingDirectories = Directory.EnumerateDirectories(path).Select(Path.GetFileName).ToList();
// If this is our first time, don't do any updates and just record the timestamp
if (!string.IsNullOrEmpty(lastUpdateTime))
{
var moviesToUpdate = await GetMovieIdsToUpdate(existingDirectories, lastUpdateTime, options, cancellationToken).ConfigureAwait(false);
progress.Report(5);
await UpdateMovies(moviesToUpdate, progress, cancellationToken).ConfigureAwait(false);
}
var newUpdateTime = Convert.ToInt64(DateTimeToUnixTimestamp(DateTime.UtcNow)).ToString(UsCulture);
File.WriteAllText(timestampFile, newUpdateTime, Encoding.UTF8);
progress.Report(100);
}
private async Task<IEnumerable<string>> GetMovieIdsToUpdate(IEnumerable<string> existingIds, string lastUpdateTime, FanartOptions options, CancellationToken cancellationToken)
{
var url = string.Format(UpdatesUrl, FanartArtistProvider.ApiKey, lastUpdateTime);
var clientKey = options.UserApiKey;
if (!string.IsNullOrWhiteSpace(clientKey))
{
url += "&client_key=" + clientKey;
}
// First get last time
using (var stream = await _httpClient.Get(new HttpRequestOptions
{
Url = url,
CancellationToken = cancellationToken,
EnableHttpCompression = true,
ResourcePool = FanartArtistProvider.Current.FanArtResourcePool
}).ConfigureAwait(false))
{
using (var reader = new StreamReader(stream))
{
var json = await reader.ReadToEndAsync().ConfigureAwait(false);
// If empty fanart will return a string of "null", rather than an empty list
if (string.Equals(json, "null", StringComparison.OrdinalIgnoreCase))
{
return new List<string>();
}
var updates = _jsonSerializer.DeserializeFromString<List<RootObject>>(json);
var existingDictionary = existingIds.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
return updates.SelectMany(i =>
{
var list = new List<string>();
if (!string.IsNullOrWhiteSpace(i.imdb_id))
{
list.Add(i.imdb_id);
}
if (!string.IsNullOrWhiteSpace(i.tmdb_id))
{
list.Add(i.tmdb_id);
}
return list;
}).Where(existingDictionary.ContainsKey);
}
}
}
private async Task UpdateMovies(IEnumerable<string> idList, IProgress<double> progress, CancellationToken cancellationToken)
{
var list = idList.ToList();
var numComplete = 0;
foreach (var id in list)
{
_logger.Info("Updating movie " + id);
await FanartMovieImageProvider.Current.DownloadMovieJson(id, cancellationToken).ConfigureAwait(false);
numComplete++;
double percent = numComplete;
percent /= list.Count;
percent *= 95;
progress.Report(percent + 5);
}
}
/// <summary>
/// Dates the time to unix timestamp.
/// </summary>
/// <param name="dateTime">The date time.</param>
/// <returns>System.Double.</returns>
private static double DateTimeToUnixTimestamp(DateTime dateTime)
{
return (dateTime - new DateTime(1970, 1, 1).ToUniversalTime()).TotalSeconds;
}
public class RootObject
{
public string tmdb_id { get; set; }
public string imdb_id { get; set; }
public string name { get; set; }
public string new_images { get; set; }
public string total_images { get; set; }
}
}
}