automatically download banner,poster, fanart. without a job :D

NzbDrone.Core/MediaCover/MediaCoverService.cs

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+using System;
+using System.IO;
+using System.Linq;
+using NLog;
+using NzbDrone.Common;
+using NzbDrone.Common.Eventing;
+using NzbDrone.Core.Tv;
+using NzbDrone.Core.Tv.Events;
+
+namespace NzbDrone.Core.MediaCover
+{
+    public class MediaCoverService : IHandle<SeriesUpdatedEvent>
+    {
+        private readonly HttpProvider _httpProvider;
+        private readonly DiskProvider _diskProvider;
+        private readonly Logger _logger;
+
+        private readonly string _coverRootFolder;
+
+        private const string COVER_URL_PREFIX = "http://www.thetvdb.com/banners/";
+
+        public MediaCoverService(HttpProvider httpProvider, DiskProvider diskProvider, EnvironmentProvider environmentProvider, Logger logger)
+        {
+            _httpProvider = httpProvider;
+            _diskProvider = diskProvider;
+            _logger = logger;
+
+            _coverRootFolder = environmentProvider.GetMediaCoverPath();
+        }
+
+        public void Handle(SeriesUpdatedEvent message)
+        {
+            EnsureCovers(message.Series);
+        }
+
+        private void EnsureCovers(Series series)
+        {
+            foreach (var cover in series.Covers)
+            {
+                var fileName = GetCoverPath(series.Id, cover.CoverType);
+                if (!_diskProvider.FileExists(fileName))
+                {
+                    DownloadCover(series, cover);
+                }
+            }
+        }
+
+        private void DownloadCover(Series series, MediaCover cover)
+        {
+            try
+            {
+                var fileName = GetCoverPath(series.Id, cover.CoverType);
+
+                _logger.Info("Downloading {0} for {1}", cover.CoverType, series.Title);
+                _httpProvider.DownloadFile(COVER_URL_PREFIX + cover.Url, fileName);
+            }
+            catch (Exception e)
+            {
+                _logger.ErrorException("Couldn't download media cover for " + series.TvDbId, e);
+            }
+        }
+
+        private string GetCoverPath(int seriesId, MediaCoverTypes coverTypes)
+        {
+            return Path.Combine(_coverRootFolder, seriesId.ToString("0000"), coverTypes.ToString().ToLower() + ".jpg");
+        }
+    }
+}