more project clean up.

NzbDrone.Core/Download/Clients/BlackholeProvider.cs

@@ -0,0 +1,69 @@
+using System;
+using System.IO;
+using System.Linq;
+using NLog;
+using NzbDrone.Common;
+using NzbDrone.Core.Configuration;
+using NzbDrone.Core.History;
+using NzbDrone.Core.MediaFiles;
+using NzbDrone.Core.Model;
+using NzbDrone.Core.DecisionEngine;
+
+namespace NzbDrone.Core.Download.Clients
+{
+    public class BlackholeProvider : IDownloadClient
+    {
+        private readonly IConfigService _configService;
+        private readonly HttpProvider _httpProvider;
+        private readonly DiskProvider _diskProvider;
+        private readonly UpgradeHistorySpecification _upgradeHistorySpecification;
+
+        private static readonly Logger logger = LogManager.GetCurrentClassLogger();
+
+        public BlackholeProvider(IConfigService configService, HttpProvider httpProvider,
+                                    DiskProvider diskProvider, UpgradeHistorySpecification upgradeHistorySpecification)
+        {
+            _configService = configService;
+            _httpProvider = httpProvider;
+            _diskProvider = diskProvider;
+            _upgradeHistorySpecification = upgradeHistorySpecification;
+        }
+
+        public BlackholeProvider()
+        {
+        }
+
+        public virtual bool DownloadNzb(string url, string title, bool recentlyAired)
+        {
+            try
+            {
+                title = MediaFileService.CleanFilename(title);
+
+                var filename = Path.Combine(_configService.BlackholeDirectory, title + ".nzb");
+
+                if (_diskProvider.FileExists(filename))
+                {
+                    //Return true so a lesser quality is not returned.
+                    logger.Info("NZB already exists on disk: {0}", filename);
+                    return true;
+                }
+
+                logger.Trace("Downloading NZB from: {0} to: {1}", url, filename);
+                _httpProvider.DownloadFile(url, filename);
+
+                logger.Trace("NZB Download succeeded, saved to: {0}", filename);
+                return true;
+            }
+            catch (Exception ex)
+            {
+                logger.WarnException("Failed to download NZB: " + url, ex);
+                return false;
+            }
+        }
+
+        public virtual bool IsInQueue(EpisodeParseResult newParseResult)
+        {
+            return !_upgradeHistorySpecification.IsSatisfiedBy(newParseResult);
+        }
+    }
+}