Downloading releases via Manual Search are now processed via unique id to allow caching more Release details.

src/NzbDrone.Api/Indexers/ReleaseModule.cs

@@ -14,6 +14,8 @@
 using System.Linq;
 using Nancy.ModelBinding;
 using NzbDrone.Api.Extensions;
+using NzbDrone.Common.Cache;
+using System.Threading;
 
 namespace NzbDrone.Api.Indexers
 {
@@ -27,12 +29,15 @@ public class ReleaseModule : NzbDroneRestModule<ReleaseResource>
         private readonly IParsingService _parsingService;
         private readonly Logger _logger;
 
+        private readonly ICached<RemoteEpisode> _remoteEpisodeCache;
+
         public ReleaseModule(IFetchAndParseRss rssFetcherAndParser,
                              ISearchForNzb nzbSearchService,
                              IMakeDownloadDecision downloadDecisionMaker,
                              IPrioritizeDownloadDecision prioritizeDownloadDecision,
                              IDownloadService downloadService,
                              IParsingService parsingService,
+                             ICacheManager cacheManager,
                              Logger logger)
         {
             _rssFetcherAndParser = rssFetcherAndParser;
@@ -46,12 +51,21 @@ public ReleaseModule(IFetchAndParseRss rssFetcherAndParser,
             Post["/"] = x => DownloadRelease(this.Bind<ReleaseResource>());
 
             PostValidator.RuleFor(s => s.DownloadAllowed).Equal(true);
+
+            _remoteEpisodeCache = cacheManager.GetCache<RemoteEpisode>(GetType(), "remoteEpisodes");
         }
 
         private Response DownloadRelease(ReleaseResource release)
         {
-            var remoteEpisode = _parsingService.Map(release.InjectTo<ParsedEpisodeInfo>(), release.TvRageId);
+            var remoteEpisode = _remoteEpisodeCache.Find(release.Guid);
-            remoteEpisode.Release = release.InjectTo<ReleaseInfo>();
+            
+            if (remoteEpisode == null)
+            {
+                _logger.Debug("Couldn't find requested release in cache, cache timeout probably expired.");
+
+                return new NotFoundResponse();
+            }
+
             _downloadService.DownloadReport(remoteEpisode);
 
             return release.AsResponse();
@@ -93,12 +107,14 @@ private List<ReleaseResource> GetRss()
             return MapDecisions(prioritizedDecisions);
         }
 
-        private static List<ReleaseResource> MapDecisions(IEnumerable<DownloadDecision> decisions)
+        private List<ReleaseResource> MapDecisions(IEnumerable<DownloadDecision> decisions)
         {
             var result = new List<ReleaseResource>();
 
             foreach (var downloadDecision in decisions)
             {
+                _remoteEpisodeCache.Set(downloadDecision.RemoteEpisode.Release.Guid, downloadDecision.RemoteEpisode, TimeSpan.FromMinutes(30));
+
                 var release = new ReleaseResource();
 
                 release.InjectFrom(downloadDecision.RemoteEpisode.Release);

src/NzbDrone.Api/Indexers/ReleaseResource.cs

@@ -9,6 +9,7 @@ namespace NzbDrone.Api.Indexers
 {
     public class ReleaseResource : RestResource
     {
+        public String Guid { get; set; }
         public QualityModel Quality { get; set; }
         public Int32 QualityWeight { get; set; }
         public Int32 Age { get; set; }

src/NzbDrone.Core/Indexers/IndexerFetchService.cs

@@ -174,6 +174,8 @@ private List<ReleaseInfo> Fetch(IIndexer indexer, IEnumerable<string> urls)
                 }
             }
 
+            result = result.DistinctBy(v => v.Guid).ToList();
+
             result.ForEach(c => 
             { 
                 c.Indexer = indexer.Definition.Name;

src/NzbDrone.Core/Indexers/RssParserBase.cs

@@ -47,8 +47,6 @@ public virtual IEnumerable<ReleaseInfo> Process(string xml, string url)
 
                         if (reportInfo != null)
                         {
-                            reportInfo.DownloadUrl = GetNzbUrl(item);
-                            reportInfo.InfoUrl = GetNzbInfoUrl(item);
                             result.Add(reportInfo);
                         }
                     }
@@ -65,11 +63,10 @@ public virtual IEnumerable<ReleaseInfo> Process(string xml, string url)
 
         private ReleaseInfo ParseFeedItem(XElement item, string url)
         {
-            var title = GetTitle(item);
-
             var reportInfo = CreateNewReleaseInfo();
 
-            reportInfo.Title = title;
+            reportInfo.Guid = GetGuid(item);
+            reportInfo.Title = GetTitle(item);
             reportInfo.PublishDate = GetPublishDate(item);
             reportInfo.DownloadUrl = GetNzbUrl(item);
             reportInfo.InfoUrl = GetNzbInfoUrl(item);
@@ -83,11 +80,16 @@ private ReleaseInfo ParseFeedItem(XElement item, string url)
                 throw new SizeParsingException("Unable to parse size from: {0} [{1}]", reportInfo.Title, url);
             }
 
-            _logger.Trace("Parsed: {0}", item.Title());
+            _logger.Trace("Parsed: {0}", reportInfo.Title);
 
             return PostProcessor(item, reportInfo);
         }
 
+        protected virtual String GetGuid(XElement item)
+        {
+            return item.TryGetValue("guid", Guid.NewGuid().ToString());
+        }
+
         protected virtual string GetTitle(XElement item)
         {
             return item.Title();

src/NzbDrone.Core/Parser/Model/ReleaseInfo.cs

@@ -5,14 +5,15 @@ namespace NzbDrone.Core.Parser.Model
 {
     public class ReleaseInfo
     {
-        public string Title { get; set; }
+        public String Guid { get; set; }
-        public long Size { get; set; }
+        public String Title { get; set; }
-        public string DownloadUrl { get; set; }
+        public Int64 Size { get; set; }
-        public string InfoUrl { get; set; }
+        public String DownloadUrl { get; set; }
-        public string CommentUrl { get; set; }
+        public String InfoUrl { get; set; }
+        public String CommentUrl { get; set; }
         public String Indexer { get; set; }
         public DownloadProtocol DownloadProtocol { get; set; }
-        public int TvRageId { get; set; }
+        public Int32 TvRageId { get; set; }
         public DateTime PublishDate { get; set; }
 
         public Int32 Age

src/NzbDrone.Integration.Test/Client/ClientBase.cs

@@ -48,18 +48,18 @@ public PagingResource<TResource> GetPaged(int pageNumber, int pageSize, string s
 
         }
 
-        public TResource Post(TResource body)
+        public TResource Post(TResource body, HttpStatusCode statusCode = HttpStatusCode.Created)
         {
             var request = BuildRequest();
             request.AddBody(body);
-            return Post<TResource>(request);
+            return Post<TResource>(request, statusCode);
         }
 
-        public TResource Put(TResource body)
+        public TResource Put(TResource body, HttpStatusCode statusCode = HttpStatusCode.Accepted)
         {
             var request = BuildRequest();
             request.AddBody(body);
-            return Put<TResource>(request);
+            return Put<TResource>(request, statusCode);
         }
 
         public TResource Get(int id, HttpStatusCode statusCode = HttpStatusCode.OK)

src/NzbDrone.Integration.Test/ReleaseIntegrationTest.cs

@@ -1,7 +1,11 @@
-using System.Linq;
+using FluentAssertions;
-using FluentAssertions;
 using NUnit.Framework;
 using NzbDrone.Api.Indexers;
+using NzbDrone.Api.Series;
+using NzbDrone.Test.Common;
+using System.Linq;
+using System.Net;
+using System.Threading;
 
 namespace NzbDrone.Integration.Test
 {
@@ -18,8 +22,31 @@ public void should_only_have_unknown_series_releases()
             releases.Should().OnlyContain(c => BeValidRelease(c));
         }
 
+        [Test]
+        public void should_reject_unknown_release()
+        {
+            var result = Releases.Post(new ReleaseResource { Guid = "unknown" }, HttpStatusCode.NotFound);
+
+            result.Id.Should().Be(0);
+        }
+
+        [Test]
+        public void should_accept_request_with_only_guid_supplied()
+        {
+            var releases = Releases.All();
+
+            // InternalServerError is caused by the Release being invalid for download (no Series).
+            // But if it didn't accept it, it would return NotFound.
+            // TODO: Maybe we should create a full mock Newznab server endpoint.
+            //var result = Releases.Post(new ReleaseResource { Guid = releases.First().Guid });
+            //result.Guid.Should().Be(releases.First().Guid); 
+            
+            var result = Releases.Post(new ReleaseResource { Guid = releases.First().Guid }, HttpStatusCode.InternalServerError);
+        }
+
         private bool BeValidRelease(ReleaseResource releaseResource)
         {
+            releaseResource.Guid.Should().NotBeNullOrEmpty();
             releaseResource.Age.Should().BeGreaterOrEqualTo(-1);
             releaseResource.Title.Should().NotBeNullOrWhiteSpace();
             releaseResource.DownloadUrl.Should().NotBeNullOrWhiteSpace();