114 lines
3.7 KiB
C#
114 lines
3.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Net;
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using NLog;
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using NzbDrone.Common;
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using NzbDrone.Common.EnvironmentInfo;
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using NzbDrone.Common.Messaging;
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using NzbDrone.Core.Tv;
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using NzbDrone.Core.Tv.Events;
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namespace NzbDrone.Core.MediaCover
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{
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public class MediaCoverService :
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IHandleAsync<SeriesUpdatedEvent>,
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IHandleAsync<SeriesDeletedEvent>,
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IMapCoversToLocal
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{
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private readonly IHttpProvider _httpProvider;
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private readonly IDiskProvider _diskProvider;
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private readonly ICoverExistsSpecification _coverExistsSpecification;
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private readonly Logger _logger;
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private readonly string _coverRootFolder;
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public MediaCoverService(IHttpProvider httpProvider, IDiskProvider diskProvider, IAppFolderInfo appFolderInfo,
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ICoverExistsSpecification coverExistsSpecification, Logger logger)
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{
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_httpProvider = httpProvider;
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_diskProvider = diskProvider;
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_coverExistsSpecification = coverExistsSpecification;
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_logger = logger;
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_coverRootFolder = appFolderInfo.GetMediaCoverPath();
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}
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public void HandleAsync(SeriesUpdatedEvent message)
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{
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EnsureCovers(message.Series);
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}
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private void EnsureCovers(Series series)
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{
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foreach (var cover in series.Images)
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{
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var fileName = GetCoverPath(series.Id, cover.CoverType);
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if (!_coverExistsSpecification.AlreadyExists(cover.Url, fileName))
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{
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DownloadCover(series, cover);
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}
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}
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}
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private void DownloadCover(Series series, MediaCover cover)
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{
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try
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{
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var fileName = GetCoverPath(series.Id, cover.CoverType);
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_logger.Info("Downloading {0} for {1} {2}", cover.CoverType, series, cover.Url);
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_httpProvider.DownloadFile(cover.Url, fileName);
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}
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catch (WebException e)
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{
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_logger.WarnException("Couldn't download media cover for " + series, e);
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}
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catch (Exception e)
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{
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_logger.ErrorException("Couldn't download media cover for " + series, e);
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}
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}
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public void HandleAsync(SeriesDeletedEvent message)
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{
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var path = GetSeriesCoverPath(message.Series.Id);
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if (_diskProvider.FolderExists(path))
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{
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_diskProvider.DeleteFolder(path, true);
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}
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}
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private string GetCoverPath(int seriesId, MediaCoverTypes coverTypes)
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{
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return Path.Combine(GetSeriesCoverPath(seriesId), coverTypes.ToString().ToLower() + ".jpg");
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}
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private string GetSeriesCoverPath(int seriesId)
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{
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return Path.Combine(_coverRootFolder, seriesId.ToString());
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}
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public void ConvertToLocalUrls(int seriesId, IEnumerable<MediaCover> covers)
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{
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foreach (var mediaCover in covers)
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{
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var filePath = GetCoverPath(seriesId, mediaCover.CoverType);
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mediaCover.Url = @"/MediaCover/" + seriesId + "/" + mediaCover.CoverType.ToString().ToLower() + ".jpg";
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if (_diskProvider.FileExists(filePath))
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{
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var lastWrite = _diskProvider.GetLastFileWrite(filePath);
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mediaCover.Url += "?lastWrite=" + lastWrite.Ticks;
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}
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}
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}
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}
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public interface IMapCoversToLocal
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{
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void ConvertToLocalUrls(int seriesId, IEnumerable<MediaCover> covers);
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}
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}
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