Add artist search framework code

src/NzbDrone.Core/IndexerSearch/ArtistSearchCommand.cs

@@ -0,0 +1,11 @@
+using NzbDrone.Core.Messaging.Commands;
+
+namespace NzbDrone.Core.IndexerSearch
+{
+    class ArtistSearchCommand : Command
+    {
+        public int ArtistId { get; set; }
+
+        public override bool SendUpdatesToClient => true;
+    }
+}

src/NzbDrone.Core/IndexerSearch/ArtistSearchService.cs

@@ -0,0 +1,31 @@
+using NLog;
+using NzbDrone.Common.Instrumentation.Extensions;
+using NzbDrone.Core.Download;
+using NzbDrone.Core.Messaging.Commands;
+
+namespace NzbDrone.Core.IndexerSearch
+{
+    class ArtistSearchService : IExecute<ArtistSearchCommand>
+    {
+        private readonly ISearchForNzb _nzbSearchService;
+        private readonly IProcessDownloadDecisions _processDownloadDecisions;
+        private readonly Logger _logger;
+
+        public ArtistSearchService(ISearchForNzb nzbSearchService,
+            IProcessDownloadDecisions processDownloadDecisions,
+            Logger logger)
+        {
+            _nzbSearchService = nzbSearchService;
+            _processDownloadDecisions = processDownloadDecisions;
+            _logger = logger;
+        }
+
+        public void Execute(ArtistSearchCommand message)
+        {
+            var decisions = _nzbSearchService.ArtistSearch(message.ArtistId, false, message.Trigger == CommandTrigger.Manual);
+            var processed = _processDownloadDecisions.ProcessDecisions(decisions);
+
+            _logger.ProgressInfo("Artist search completed. {0} reports downloaded.", processed.Grabbed.Count);
+        }
+    }
+}

src/NzbDrone.Core/IndexerSearch/Definitions/ArtistSearchCriteria.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace NzbDrone.Core.IndexerSearch.Definitions
+{
+    public class ArtistSearchCriteria : SearchCriteriaBase
+    {
+        public override string ToString()
+        {
+            return $"[{Artist.Name}]";
+        }
+    }
+}

src/NzbDrone.Core/IndexerSearch/NzbSearchService.cs

@@ -22,6 +22,7 @@ namespace NzbDrone.Core.IndexerSearch
         List<DownloadDecision> EpisodeSearch(Episode episode, bool userInvokedSearch);
         List<DownloadDecision> SeasonSearch(int seriesId, int seasonNumber, bool missingOnly, bool userInvokedSearch);
         List<DownloadDecision> AlbumSearch(int albumId, bool missingOnly, bool userInvokedSearch);
+        List<DownloadDecision> ArtistSearch(int artistId, bool missingOnly, bool userInvokedSearch);
     }
 
     public class NzbSearchService : ISearchForNzb
@@ -175,6 +176,18 @@ namespace NzbDrone.Core.IndexerSearch
             return AlbumSearch(album, missingOnly, userInvokedSearch);
         }
 
+        public List<DownloadDecision> ArtistSearch(int artistId, bool missingOnly, bool userInvokedSearch)
+        {
+            var artist = _artistService.GetArtist(artistId);
+            return ArtistSearch(artist, missingOnly, userInvokedSearch);
+        }
+
+        public List<DownloadDecision> ArtistSearch(Artist artist, bool missingOnly, bool userInvokedSearch)
+        {
+            var searchSpec = Get<ArtistSearchCriteria>(artist, userInvokedSearch);
+            return Dispatch(indexer => indexer.Fetch(searchSpec), searchSpec);
+        }
+
         public List<DownloadDecision> AlbumSearch(Album album, bool missingOnly, bool userInvokedSearch)
         {
             var searchSpec = Get<AlbumSearchCriteria>(album, userInvokedSearch);
@@ -280,6 +293,16 @@ namespace NzbDrone.Core.IndexerSearch
             return spec;
         }
 
+        private TSpec Get<TSpec>(Artist artist, bool userInvokedSearch) where TSpec : SearchCriteriaBase, new()
+        {
+            var spec = new TSpec();
+;
+            spec.Artist = artist;
+            spec.UserInvokedSearch = userInvokedSearch;
+
+            return spec;
+        }
+
         private List<DownloadDecision> Dispatch(Func<IIndexer, IEnumerable<ReleaseInfo>> searchAction, SearchCriteriaBase criteriaBase)
         {
             var indexers = _indexerFactory.SearchEnabled();

src/NzbDrone.Core/Indexers/BitMeTv/BitMeTvRequestGenerator.cs

@@ -47,6 +47,11 @@ namespace NzbDrone.Core.Indexers.BitMeTv
             throw new System.NotImplementedException();
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
+
         private IEnumerable<IndexerRequest> GetRssRequests()
         {
             var request = new IndexerRequest(string.Format("{0}/rss.php?uid={1}&passkey={2}", Settings.BaseUrl.Trim().TrimEnd('/'), Settings.UserId, Settings.RssPasskey), HttpAccept.Html);

src/NzbDrone.Core/Indexers/BroadcastheNet/BroadcastheNetRequestGenerator.cs

@@ -165,6 +165,11 @@ namespace NzbDrone.Core.Indexers.BroadcastheNet
             throw new System.NotImplementedException();
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
+
         private bool AddSeriesSearchParameters(BroadcastheNetTorrentQuery parameters, SearchCriteriaBase searchCriteria)
         {
             if (searchCriteria.Series.TvdbId != 0)

src/NzbDrone.Core/Indexers/Fanzub/FanzubRequestGenerator.cs

@@ -65,6 +65,11 @@ namespace NzbDrone.Core.Indexers.Fanzub
             throw new System.NotImplementedException();
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
+
         private IEnumerable<IndexerRequest> GetPagedRequests(string query)
         {
             var url = new StringBuilder();

src/NzbDrone.Core/Indexers/HDBits/HDBitsRequestGenerator.cs

@@ -48,6 +48,11 @@ namespace NzbDrone.Core.Indexers.HDBits
             throw new System.NotImplementedException();
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
+
         public virtual IndexerPageableRequestChain GetSearchRequests(DailyEpisodeSearchCriteria searchCriteria)
         {
             var pageableRequests = new IndexerPageableRequestChain();

src/NzbDrone.Core/Indexers/HttpIndexerBase.cs

@@ -128,6 +128,18 @@ namespace NzbDrone.Core.Indexers
             return FetchReleases(generator.GetSearchRequests(searchCriteria));
         }
 
+        public override IList<ReleaseInfo> Fetch(ArtistSearchCriteria searchCriteria)
+        {
+            if (!SupportsSearch)
+            {
+                return new List<ReleaseInfo>();
+            }
+
+            var generator = GetRequestGenerator();
+
+            return FetchReleases(generator.GetSearchRequests(searchCriteria));
+        }
+
         protected virtual IList<ReleaseInfo> FetchReleases(IndexerPageableRequestChain pageableRequestChain, bool isRecent = false)
         {
             var releases = new List<ReleaseInfo>();

src/NzbDrone.Core/Indexers/IIndexer.cs

@@ -23,5 +23,6 @@ namespace NzbDrone.Core.Indexers
         [System.Obsolete("Sonarr TV Stuff -- Shouldn't be needed for Lidarr")]
         IList<ReleaseInfo> Fetch(SpecialEpisodeSearchCriteria searchCriteria);
         IList<ReleaseInfo> Fetch(AlbumSearchCriteria searchCriteria);
+        IList<ReleaseInfo> Fetch(ArtistSearchCriteria searchCriteria);
     }
 }

src/NzbDrone.Core/Indexers/IIndexerRequestGenerator.cs

@@ -11,5 +11,6 @@ namespace NzbDrone.Core.Indexers
         IndexerPageableRequestChain GetSearchRequests(AnimeEpisodeSearchCriteria searchCriteria);
         IndexerPageableRequestChain GetSearchRequests(SpecialEpisodeSearchCriteria searchCriteria);
         IndexerPageableRequestChain GetSearchRequests(AlbumSearchCriteria searchCriteria);
+        IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria);
     }
 }

src/NzbDrone.Core/Indexers/IPTorrents/IPTorrentsRequestGenerator.cs

@@ -47,6 +47,11 @@ namespace NzbDrone.Core.Indexers.IPTorrents
             throw new System.NotImplementedException();
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
+
         private IEnumerable<IndexerRequest> GetRssRequests()
         {
             yield return new IndexerRequest(Settings.Url, HttpAccept.Rss);

src/NzbDrone.Core/Indexers/IndexerBase.cs

@@ -74,6 +74,7 @@ namespace NzbDrone.Core.Indexers
         [System.Obsolete("Sonarr TV Stuff -- Shouldn't be needed for Lidarr")]
         public abstract IList<ReleaseInfo> Fetch(SpecialEpisodeSearchCriteria searchCriteria);
         public abstract IList<ReleaseInfo> Fetch(AlbumSearchCriteria searchCriteria);
+        public abstract IList<ReleaseInfo> Fetch(ArtistSearchCriteria searchCriteria);
 
         protected virtual IList<ReleaseInfo> CleanupReleases(IEnumerable<ReleaseInfo> releases)
         {

src/NzbDrone.Core/Indexers/Newznab/NewznabRequestGenerator.cs

@@ -185,6 +185,11 @@ namespace NzbDrone.Core.Indexers.Newznab
             throw new System.NotImplementedException();
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
+
         private void AddTvIdPageableRequests(IndexerPageableRequestChain chain, int maxPages, IEnumerable<int> categories, SearchCriteriaBase searchCriteria, string parameters)
         {
             var includeTvdbSearch = SupportsTvdbSearch && searchCriteria.Series.TvdbId > 0;

src/NzbDrone.Core/Indexers/Nyaa/NyaaRequestGenerator.cs

@@ -79,6 +79,11 @@ namespace NzbDrone.Core.Indexers.Nyaa
             throw new System.NotImplementedException();
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
+
         private IEnumerable<IndexerRequest> GetPagedRequests(int maxPages, string term)
         {
             var baseUrl = string.Format("{0}/?page=rss{1}", Settings.BaseUrl.TrimEnd('/'), Settings.AdditionalParameters);

src/NzbDrone.Core/Indexers/Omgwtfnzbs/OmgwtfnzbsRequestGenerator.cs

@@ -93,6 +93,11 @@ namespace NzbDrone.Core.Indexers.Omgwtfnzbs
             throw new System.NotImplementedException();
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
+
         private IEnumerable<IndexerRequest> GetPagedRequests(string query)
         {
             var url = new StringBuilder();

src/NzbDrone.Core/Indexers/Rarbg/RarbgRequestGenerator.cs

@@ -86,6 +86,15 @@ namespace NzbDrone.Core.Indexers.Rarbg
             return pageableRequests;
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            var pageableRequests = new IndexerPageableRequestChain();
+
+            pageableRequests.Add(GetPagedRequests("search", null, "{0}", searchCriteria.Artist.Name));
+
+            return pageableRequests;
+        }
+
         private IEnumerable<IndexerRequest> GetPagedRequests(string mode, int? tvdbId, string query, params object[] args)
         {
             var requestBuilder = new HttpRequestBuilder(Settings.BaseUrl)

src/NzbDrone.Core/Indexers/RssIndexerRequestGenerator.cs

@@ -51,5 +51,10 @@ namespace NzbDrone.Core.Indexers
         {
             throw new System.NotImplementedException();
         }
+
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
     }
 }

src/NzbDrone.Core/Indexers/TorrentRss/TorrentRssIndexerRequestGenerator.cs

@@ -48,6 +48,11 @@ namespace NzbDrone.Core.Indexers.TorrentRss
             throw new System.NotImplementedException();
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
+
         private IEnumerable<IndexerRequest> GetRssRequests(string searchParameters)
         {
             var request = new IndexerRequest(Settings.BaseUrl.Trim().TrimEnd('/'), HttpAccept.Rss);

src/NzbDrone.Core/Indexers/Torrentleech/TorrentleechRequestGenerator.cs

@@ -47,6 +47,11 @@ namespace NzbDrone.Core.Indexers.Torrentleech
             throw new System.NotImplementedException();
         }
 
+        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        {
+            throw new System.NotImplementedException();
+        }
+
         private IEnumerable<IndexerRequest> GetRssRequests(string searchParameters)
         {
             yield return new IndexerRequest(string.Format("{0}/{1}{2}", Settings.BaseUrl.Trim().TrimEnd('/'), Settings.ApiKey, searchParameters), HttpAccept.Rss);

src/NzbDrone.Core/NzbDrone.Core.csproj

@@ -607,7 +607,10 @@
     <Compile Include="Http\TorcacheHttpInterceptor.cs" />
     <Compile Include="IndexerSearch\AlbumSearchCommand.cs" />
     <Compile Include="IndexerSearch\AlbumSearchService.cs" />
+    <Compile Include="IndexerSearch\ArtistSearchCommand.cs" />
+    <Compile Include="IndexerSearch\ArtistSearchService.cs" />
     <Compile Include="IndexerSearch\Definitions\AlbumSearchCriteria.cs" />
+    <Compile Include="IndexerSearch\Definitions\ArtistSearchCriteria.cs" />
     <Compile Include="Indexers\BitMeTv\BitMeTv.cs" />
     <Compile Include="Indexers\BitMeTv\BitMeTvSettings.cs" />
     <Compile Include="Indexers\BitMeTv\BitMeTvRequestGenerator.cs" />