New: Add tag support to indexers

(cherry picked from commit c3d54b312ef18b837d54605ea78f1a263fd6900b)

frontend/src/Settings/Indexers/Indexers/EditIndexerModalContent.js

@@ -43,6 +43,7 @@ function EditIndexerModalContent(props) {
     enableInteractiveSearch,
     supportsRss,
     supportsSearch,
+    tags,
     fields,
     priority
   } = item;
@@ -144,6 +145,7 @@ function EditIndexerModalContent(props) {
                   );
                 })
               }
+
               <FormGroup
                 advancedSettings={advancedSettings}
                 isAdvanced={true}
@@ -162,6 +164,20 @@ function EditIndexerModalContent(props) {
                   onChange={onInputChange}
                 />
               </FormGroup>
+
+              <FormGroup>
+                <FormLabel>
+                  {translate('Tags')}
+                </FormLabel>
+
+                <FormInputGroup
+                  type={inputTypes.TAG}
+                  name="tags"
+                  helpText={translate('IndexerTagsHelpText')}
+                  {...tags}
+                  onChange={onInputChange}
+                />
+              </FormGroup>
             </Form>
         }
       </ModalBody>

frontend/src/Settings/Indexers/Indexers/Indexer.js

@@ -4,6 +4,7 @@ import Card from 'Components/Card';
 import Label from 'Components/Label';
 import IconButton from 'Components/Link/IconButton';
 import ConfirmModal from 'Components/Modal/ConfirmModal';
+import TagList from 'Components/TagList';
 import { icons, kinds } from 'Helpers/Props';
 import translate from 'Utilities/String/translate';
 import EditIndexerModalConnector from './EditIndexerModalConnector';
@@ -68,6 +69,8 @@ class Indexer extends Component {
       enableRss,
       enableAutomaticSearch,
       enableInteractiveSearch,
+      tags,
+      tagList,
       supportsRss,
       supportsSearch,
       priority,
@@ -133,6 +136,11 @@ class Indexer extends Component {
           }
         </div>
 
+        <TagList
+          tags={tags}
+          tagList={tagList}
+        />
+
         <EditIndexerModalConnector
           id={id}
           isOpen={this.state.isEditIndexerModalOpen}
@@ -161,6 +169,8 @@ Indexer.propTypes = {
   enableRss: PropTypes.bool.isRequired,
   enableAutomaticSearch: PropTypes.bool.isRequired,
   enableInteractiveSearch: PropTypes.bool.isRequired,
+  tags: PropTypes.arrayOf(PropTypes.number).isRequired,
+  tagList: PropTypes.arrayOf(PropTypes.object).isRequired,
   supportsRss: PropTypes.bool.isRequired,
   supportsSearch: PropTypes.bool.isRequired,
   showPriority: PropTypes.bool.isRequired,

frontend/src/Settings/Indexers/Indexers/Indexers.js

@@ -54,6 +54,7 @@ class Indexers extends Component {
   render() {
     const {
       items,
+      tagList,
       dispatchCloneIndexer,
       onConfirmDeleteIndexer,
       ...otherProps
@@ -79,6 +80,7 @@ class Indexers extends Component {
                   <Indexer
                     key={item.id}
                     {...item}
+                    tagList={tagList}
                     showPriority={showPriority}
                     onCloneIndexerPress={this.onCloneIndexerPress}
                     onConfirmDeleteIndexer={onConfirmDeleteIndexer}
@@ -119,6 +121,7 @@ Indexers.propTypes = {
   isFetching: PropTypes.bool.isRequired,
   error: PropTypes.object,
   items: PropTypes.arrayOf(PropTypes.object).isRequired,
+  tagList: PropTypes.arrayOf(PropTypes.object).isRequired,
   dispatchCloneIndexer: PropTypes.func.isRequired,
   onConfirmDeleteIndexer: PropTypes.func.isRequired
 };

frontend/src/Settings/Indexers/Indexers/IndexersConnector.js

@@ -4,13 +4,20 @@ import { connect } from 'react-redux';
 import { createSelector } from 'reselect';
 import { cloneIndexer, deleteIndexer, fetchIndexers } from 'Store/Actions/settingsActions';
 import createSortedSectionSelector from 'Store/Selectors/createSortedSectionSelector';
+import createTagsSelector from 'Store/Selectors/createTagsSelector';
 import sortByName from 'Utilities/Array/sortByName';
 import Indexers from './Indexers';
 
 function createMapStateToProps() {
   return createSelector(
     createSortedSectionSelector('settings.indexers', sortByName),
-    (indexers) => indexers
+    createTagsSelector(),
+    (indexers, tagList) => {
+      return {
+        ...indexers,
+        tagList
+      };
+    }
   );
 }
 

frontend/src/Settings/Tags/Details/TagDetailsModalContent.js

@@ -21,6 +21,7 @@ function TagDetailsModalContent(props) {
     importLists,
     notifications,
     releaseProfiles,
+    indexers,
     onModalClose,
     onDeleteTagPress
   } = props;
@@ -40,7 +41,7 @@ function TagDetailsModalContent(props) {
         }
 
         {
-          !!author.length &&
+          author.length ?
             <FieldSet legend={translate('Authors')}>
               {
                 author.map((item) => {
@@ -51,11 +52,12 @@ function TagDetailsModalContent(props) {
                   );
                 })
               }
-            </FieldSet>
+            </FieldSet> :
+            null
         }
 
         {
-          !!delayProfiles.length &&
+          delayProfiles.length ?
             <FieldSet legend={translate('DelayProfile')}>
               {
                 delayProfiles.map((item) => {
@@ -80,11 +82,12 @@ function TagDetailsModalContent(props) {
                   );
                 })
               }
-            </FieldSet>
+            </FieldSet> :
+            null
         }
 
         {
-          !!notifications.length &&
+          notifications.length ?
             <FieldSet legend={translate('Connections')}>
               {
                 notifications.map((item) => {
@@ -95,11 +98,12 @@ function TagDetailsModalContent(props) {
                   );
                 })
               }
-            </FieldSet>
+            </FieldSet> :
+            null
         }
 
         {
-          !!importLists.length &&
+          importLists.length ?
             <FieldSet legend={translate('ImportLists')}>
               {
                 importLists.map((item) => {
@@ -110,11 +114,12 @@ function TagDetailsModalContent(props) {
                   );
                 })
               }
-            </FieldSet>
+            </FieldSet> :
+            null
         }
 
         {
-          !!releaseProfiles.length &&
+          releaseProfiles.length ?
             <FieldSet legend={translate('ReleaseProfiles')}>
               {
                 releaseProfiles.map((item) => {
@@ -150,13 +155,30 @@ function TagDetailsModalContent(props) {
                               </Label>
                             );
                           })
-                        }
+                        }s
                       </div>
                     </div>
                   );
                 })
               }
-            </FieldSet>
+            </FieldSet> :
+            null
+        }
+
+        {
+          indexers.length ?
+            <FieldSet legend={translate('Indexers')}>
+              {
+                indexers.map((item) => {
+                  return (
+                    <div key={item.id}>
+                      {item.name}
+                    </div>
+                  );
+                })
+              }
+            </FieldSet> :
+            null
         }
       </ModalBody>
 
@@ -191,6 +213,7 @@ TagDetailsModalContent.propTypes = {
   importLists: PropTypes.arrayOf(PropTypes.object).isRequired,
   notifications: PropTypes.arrayOf(PropTypes.object).isRequired,
   releaseProfiles: PropTypes.arrayOf(PropTypes.object).isRequired,
+  indexers: PropTypes.arrayOf(PropTypes.object).isRequired,
   onModalClose: PropTypes.func.isRequired,
   onDeleteTagPress: PropTypes.func.isRequired
 };

frontend/src/Settings/Tags/Details/TagDetailsModalContentConnector.js

@@ -69,6 +69,14 @@ function createMatchingReleaseProfilesSelector() {
   );
 }
 
+function createMatchingIndexersSelector() {
+  return createSelector(
+    (state, { indexerIds }) => indexerIds,
+    (state) => state.settings.indexers.items,
+    findMatchingItems
+  );
+}
+
 function createMapStateToProps() {
   return createSelector(
     createMatchingAuthorSelector(),
@@ -76,13 +84,15 @@ function createMapStateToProps() {
     createMatchingImportListsSelector(),
     createMatchingNotificationsSelector(),
     createMatchingReleaseProfilesSelector(),
-    (author, delayProfiles, importLists, notifications, releaseProfiles) => {
+    createMatchingIndexersSelector(),
+    (author, delayProfiles, importLists, notifications, releaseProfiles, indexers) => {
       return {
         author,
         delayProfiles,
         importLists,
         notifications,
-        releaseProfiles
+        releaseProfiles,
+        indexers
       };
     }
   );

frontend/src/Settings/Tags/Tag.js

@@ -57,6 +57,7 @@ class Tag extends Component {
       importListIds,
       notificationIds,
       restrictionIds,
+      indexerIds,
       authorIds
     } = this.props;
 
@@ -70,6 +71,7 @@ class Tag extends Component {
       importListIds.length ||
       notificationIds.length ||
       restrictionIds.length ||
+      indexerIds.length ||
       authorIds.length
     );
 
@@ -120,6 +122,14 @@ class Tag extends Component {
                     {restrictionIds.length} restriction{restrictionIds.length > 1 && 's'}
                   </div>
               }
+
+              {
+                indexerIds.length ?
+                  <div>
+                    {indexerIds.length} indexer{indexerIds.length > 1 && 's'}
+                  </div> :
+                  null
+              }
             </div>
         }
 
@@ -138,6 +148,7 @@ class Tag extends Component {
           importListIds={importListIds}
           notificationIds={notificationIds}
           restrictionIds={restrictionIds}
+          indexerIds={indexerIds}
           isOpen={isDetailsModalOpen}
           onModalClose={this.onDetailsModalClose}
           onDeleteTagPress={this.onDeleteTagPress}
@@ -164,6 +175,7 @@ Tag.propTypes = {
   importListIds: PropTypes.arrayOf(PropTypes.number).isRequired,
   notificationIds: PropTypes.arrayOf(PropTypes.number).isRequired,
   restrictionIds: PropTypes.arrayOf(PropTypes.number).isRequired,
+  indexerIds: PropTypes.arrayOf(PropTypes.number).isRequired,
   authorIds: PropTypes.arrayOf(PropTypes.number).isRequired,
   onConfirmDeleteTag: PropTypes.func.isRequired
 };
@@ -173,6 +185,7 @@ Tag.defaultProps = {
   importListIds: [],
   notificationIds: [],
   restrictionIds: [],
+  indexerIds: [],
   authorIds: []
 };
 

frontend/src/Settings/Tags/TagsConnector.js

@@ -2,7 +2,7 @@ import PropTypes from 'prop-types';
 import React, { Component } from 'react';
 import { connect } from 'react-redux';
 import { createSelector } from 'reselect';
-import { fetchDelayProfiles, fetchImportLists, fetchNotifications, fetchReleaseProfiles } from 'Store/Actions/settingsActions';
+import { fetchDelayProfiles, fetchImportLists, fetchIndexers, fetchNotifications, fetchReleaseProfiles } from 'Store/Actions/settingsActions';
 import { fetchTagDetails } from 'Store/Actions/tagActions';
 import Tags from './Tags';
 
@@ -29,7 +29,8 @@ const mapDispatchToProps = {
   dispatchFetchDelayProfiles: fetchDelayProfiles,
   dispatchFetchImportLists: fetchImportLists,
   dispatchFetchNotifications: fetchNotifications,
-  dispatchFetchReleaseProfiles: fetchReleaseProfiles
+  dispatchFetchReleaseProfiles: fetchReleaseProfiles,
+  dispatchFetchIndexers: fetchIndexers
 };
 
 class MetadatasConnector extends Component {
@@ -43,7 +44,8 @@ class MetadatasConnector extends Component {
       dispatchFetchDelayProfiles,
       dispatchFetchImportLists,
       dispatchFetchNotifications,
-      dispatchFetchReleaseProfiles
+      dispatchFetchReleaseProfiles,
+      dispatchFetchIndexers
     } = this.props;
 
     dispatchFetchTagDetails();
@@ -51,6 +53,7 @@ class MetadatasConnector extends Component {
     dispatchFetchImportLists();
     dispatchFetchNotifications();
     dispatchFetchReleaseProfiles();
+    dispatchFetchIndexers();
   }
 
   //
@@ -70,7 +73,8 @@ MetadatasConnector.propTypes = {
   dispatchFetchDelayProfiles: PropTypes.func.isRequired,
   dispatchFetchImportLists: PropTypes.func.isRequired,
   dispatchFetchNotifications: PropTypes.func.isRequired,
-  dispatchFetchReleaseProfiles: PropTypes.func.isRequired
+  dispatchFetchReleaseProfiles: PropTypes.func.isRequired,
+  dispatchFetchIndexers: PropTypes.func.isRequired
 };
 
 export default connect(createMapStateToProps, mapDispatchToProps)(MetadatasConnector);

src/NzbDrone.Core.Test/DecisionEngineTests/RssSync/IndexerTagSpecificationFixture.cs

@@ -0,0 +1,110 @@
+using System.Collections.Generic;
+using FizzWare.NBuilder;
+using FluentAssertions;
+using Moq;
+using NUnit.Framework;
+using NzbDrone.Core.Books;
+using NzbDrone.Core.DecisionEngine.Specifications.RssSync;
+using NzbDrone.Core.Indexers;
+using NzbDrone.Core.IndexerSearch.Definitions;
+using NzbDrone.Core.Parser.Model;
+using NzbDrone.Core.Test.Framework;
+
+namespace NzbDrone.Core.Test.DecisionEngineTests.RssSync
+{
+    [TestFixture]
+    public class IndexerTagSpecificationFixture : CoreTest<IndexerTagSpecification>
+    {
+        private IndexerTagSpecification _specification;
+
+        private RemoteBook _parseResultMulti;
+        private IndexerDefinition _fakeIndexerDefinition;
+        private Author _fakeAuthor;
+        private Book _firstBook;
+        private Book _secondBook;
+        private ReleaseInfo _fakeRelease;
+
+        [SetUp]
+        public void Setup()
+        {
+            _fakeIndexerDefinition = new IndexerDefinition
+            {
+                Tags = new HashSet<int>()
+            };
+
+            Mocker
+                .GetMock<IIndexerRepository>()
+                .Setup(m => m.Get(It.IsAny<int>()))
+                .Returns(_fakeIndexerDefinition);
+
+            _specification = Mocker.Resolve<IndexerTagSpecification>();
+
+            _fakeAuthor = Builder<Author>.CreateNew()
+                .With(c => c.Monitored = true)
+                .With(c => c.Tags = new HashSet<int>())
+                .Build();
+
+            _fakeRelease = new ReleaseInfo
+            {
+                IndexerId = 1
+            };
+
+            _firstBook = new Book { Monitored = true };
+            _secondBook = new Book { Monitored = true };
+
+            var doubleBookList = new List<Book> { _firstBook, _secondBook };
+
+            _parseResultMulti = new RemoteBook
+            {
+                Author = _fakeAuthor,
+                Books = doubleBookList,
+                Release = _fakeRelease
+            };
+        }
+
+        [Test]
+        public void indexer_and_author_without_tags_should_return_true()
+        {
+            _fakeIndexerDefinition.Tags = new HashSet<int>();
+            _fakeAuthor.Tags = new HashSet<int>();
+
+            _specification.IsSatisfiedBy(_parseResultMulti, new BookSearchCriteria { MonitoredBooksOnly = true }).Accepted.Should().BeTrue();
+        }
+
+        [Test]
+        public void indexer_with_tags_author_without_tags_should_return_false()
+        {
+            _fakeIndexerDefinition.Tags = new HashSet<int> { 123 };
+            _fakeAuthor.Tags = new HashSet<int>();
+
+            _specification.IsSatisfiedBy(_parseResultMulti, new BookSearchCriteria { MonitoredBooksOnly = true }).Accepted.Should().BeFalse();
+        }
+
+        [Test]
+        public void indexer_without_tags_author_with_tags_should_return_true()
+        {
+            _fakeIndexerDefinition.Tags = new HashSet<int>();
+            _fakeAuthor.Tags = new HashSet<int> { 123 };
+
+            _specification.IsSatisfiedBy(_parseResultMulti, new BookSearchCriteria { MonitoredBooksOnly = true }).Accepted.Should().BeTrue();
+        }
+
+        [Test]
+        public void indexer_with_tags_author_with_matching_tags_should_return_true()
+        {
+            _fakeIndexerDefinition.Tags = new HashSet<int> { 123, 456 };
+            _fakeAuthor.Tags = new HashSet<int> { 123, 789 };
+
+            _specification.IsSatisfiedBy(_parseResultMulti, new BookSearchCriteria { MonitoredBooksOnly = true }).Accepted.Should().BeTrue();
+        }
+
+        [Test]
+        public void indexer_with_tags_author_with_different_tags_should_return_false()
+        {
+            _fakeIndexerDefinition.Tags = new HashSet<int> { 456 };
+            _fakeAuthor.Tags = new HashSet<int> { 123, 789 };
+
+            _specification.IsSatisfiedBy(_parseResultMulti, new BookSearchCriteria { MonitoredBooksOnly = true }).Accepted.Should().BeFalse();
+        }
+    }
+}

src/NzbDrone.Core.Test/IndexerSearchTests/ReleaseSearchServiceFixture.cs

@@ -0,0 +1,166 @@
+using System.Collections.Generic;
+using System.Linq;
+using FizzWare.NBuilder;
+using FluentAssertions;
+using Moq;
+using NUnit.Framework;
+using NzbDrone.Core.Books;
+using NzbDrone.Core.DecisionEngine;
+using NzbDrone.Core.Indexers;
+using NzbDrone.Core.IndexerSearch;
+using NzbDrone.Core.IndexerSearch.Definitions;
+using NzbDrone.Core.Test.Framework;
+
+namespace NzbDrone.Core.Test.IndexerSearchTests
+{
+        public class ReleaseSearchServiceFixture : CoreTest<ReleaseSearchService>
+    {
+        private Mock<IIndexer> _mockIndexer;
+        private Author _author;
+        private Book _firstBook;
+
+        [SetUp]
+        public void SetUp()
+        {
+            _mockIndexer = Mocker.GetMock<IIndexer>();
+            _mockIndexer.SetupGet(s => s.Definition).Returns(new IndexerDefinition { Id = 1 });
+            _mockIndexer.SetupGet(s => s.SupportsSearch).Returns(true);
+
+            Mocker.GetMock<IIndexerFactory>()
+                  .Setup(s => s.AutomaticSearchEnabled(true))
+                  .Returns(new List<IIndexer> { _mockIndexer.Object });
+
+            Mocker.GetMock<IMakeDownloadDecision>()
+                .Setup(s => s.GetSearchDecision(It.IsAny<List<Parser.Model.ReleaseInfo>>(), It.IsAny<SearchCriteriaBase>()))
+                .Returns(new List<DownloadDecision>());
+
+            _author = Builder<Author>.CreateNew()
+                .With(v => v.Monitored = true)
+                .Build();
+
+            _firstBook = Builder<Book>.CreateNew()
+                .With(e => e.Author = _author)
+                .Build();
+
+            var edition = Builder<Edition>.CreateNew()
+                .With(e => e.Book = _firstBook)
+                .With(e => e.Monitored = true)
+                .Build();
+
+            _firstBook.Editions = new List<Edition> { edition };
+
+            Mocker.GetMock<IAuthorService>()
+                .Setup(v => v.GetAuthor(_author.Id))
+                .Returns(_author);
+        }
+
+        private List<SearchCriteriaBase> WatchForSearchCriteria()
+        {
+            var result = new List<SearchCriteriaBase>();
+
+            _mockIndexer.Setup(v => v.Fetch(It.IsAny<BookSearchCriteria>()))
+                .Callback<BookSearchCriteria>(s => result.Add(s))
+                .Returns(new List<Parser.Model.ReleaseInfo>());
+
+            return result;
+        }
+
+        [Test]
+        public void Tags_IndexerTags_AuthorNoTags_IndexerNotIncluded()
+        {
+            _mockIndexer.SetupGet(s => s.Definition).Returns(new IndexerDefinition
+            {
+                Id = 1,
+                Tags = new HashSet<int> { 3 }
+            });
+
+            var allCriteria = WatchForSearchCriteria();
+
+            Subject.BookSearch(_firstBook, false, true, false);
+
+            var criteria = allCriteria.OfType<BookSearchCriteria>().ToList();
+
+            criteria.Count.Should().Be(0);
+        }
+
+        [Test]
+        public void Tags_IndexerNoTags_AuthorTags_IndexerIncluded()
+        {
+            _mockIndexer.SetupGet(s => s.Definition).Returns(new IndexerDefinition
+            {
+                Id = 1
+            });
+
+            _author = Builder<Author>.CreateNew()
+                .With(v => v.Monitored = true)
+                .With(v => v.Tags = new HashSet<int> { 3 })
+                .Build();
+
+            Mocker.GetMock<IAuthorService>()
+                .Setup(v => v.GetAuthor(_author.Id))
+                .Returns(_author);
+
+            var allCriteria = WatchForSearchCriteria();
+
+            Subject.BookSearch(_firstBook, false, true, false);
+
+            var criteria = allCriteria.OfType<BookSearchCriteria>().ToList();
+
+            criteria.Count.Should().Be(1);
+        }
+
+        [Test]
+        public void Tags_IndexerAndAuthorTagsMatch_IndexerIncluded()
+        {
+            _mockIndexer.SetupGet(s => s.Definition).Returns(new IndexerDefinition
+            {
+                Id = 1,
+                Tags = new HashSet<int> { 1, 2, 3 }
+            });
+
+            _author = Builder<Author>.CreateNew()
+                .With(v => v.Monitored = true)
+                .With(v => v.Tags = new HashSet<int> { 3, 4, 5 })
+                .Build();
+
+            Mocker.GetMock<IAuthorService>()
+                .Setup(v => v.GetAuthor(_author.Id))
+                .Returns(_author);
+
+            var allCriteria = WatchForSearchCriteria();
+
+            Subject.BookSearch(_firstBook, false, true, false);
+
+            var criteria = allCriteria.OfType<BookSearchCriteria>().ToList();
+
+            criteria.Count.Should().Be(1);
+        }
+
+        [Test]
+        public void Tags_IndexerAndAuthorTagsMismatch_IndexerNotIncluded()
+        {
+            _mockIndexer.SetupGet(s => s.Definition).Returns(new IndexerDefinition
+            {
+                Id = 1,
+                Tags = new HashSet<int> { 1, 2, 3 }
+            });
+
+            _author = Builder<Author>.CreateNew()
+                .With(v => v.Monitored = true)
+                .With(v => v.Tags = new HashSet<int> { 4, 5, 6 })
+                .Build();
+
+            Mocker.GetMock<IAuthorService>()
+                .Setup(v => v.GetAuthor(_author.Id))
+                .Returns(_author);
+
+            var allCriteria = WatchForSearchCriteria();
+
+            Subject.BookSearch(_firstBook, false, true, false);
+
+            var criteria = allCriteria.OfType<BookSearchCriteria>().ToList();
+
+            criteria.Count.Should().Be(0);
+        }
+    }
+}

src/NzbDrone.Core/Datastore/Migration/028_add_indexer_tags.cs

@@ -0,0 +1,14 @@
+using FluentMigrator;
+using NzbDrone.Core.Datastore.Migration.Framework;
+
+namespace NzbDrone.Core.Datastore.Migration
+{
+    [Migration(028)]
+    public class add_indexer_tags : NzbDroneMigrationBase
+    {
+        protected override void MainDbUpgrade()
+        {
+            Alter.Table("Indexers").AddColumn("Tags").AsString().Nullable();
+        }
+    }
+}

src/NzbDrone.Core/Datastore/TableMapping.cs

@@ -71,8 +71,7 @@ namespace NzbDrone.Core.Datastore
                   .Ignore(i => i.Enable)
                   .Ignore(i => i.Protocol)
                   .Ignore(i => i.SupportsRss)
-                  .Ignore(i => i.SupportsSearch)
+                  .Ignore(i => i.SupportsSearch);
-                  .Ignore(d => d.Tags);
 
             Mapper.Entity<ImportListDefinition>("ImportLists").RegisterModel()
                   .Ignore(x => x.ImplementationName)

src/NzbDrone.Core/DecisionEngine/Specifications/RssSync/IndexerTagSpecification.cs

@@ -0,0 +1,39 @@
+using System.Linq;
+using NLog;
+using NzbDrone.Common.Extensions;
+using NzbDrone.Core.Indexers;
+using NzbDrone.Core.IndexerSearch.Definitions;
+using NzbDrone.Core.Parser.Model;
+
+namespace NzbDrone.Core.DecisionEngine.Specifications.RssSync
+{
+    public class IndexerTagSpecification : IDecisionEngineSpecification
+    {
+        private readonly Logger _logger;
+        private readonly IIndexerRepository _indexerRepository;
+
+        public IndexerTagSpecification(Logger logger, IIndexerRepository indexerRepository)
+        {
+            _logger = logger;
+            _indexerRepository = indexerRepository;
+        }
+
+        public SpecificationPriority Priority => SpecificationPriority.Default;
+        public RejectionType Type => RejectionType.Permanent;
+
+        public virtual Decision IsSatisfiedBy(RemoteBook subject, SearchCriteriaBase searchCriteria)
+        {
+            // If indexer has tags, check that at least one of them is present on the author
+            var indexerTags = _indexerRepository.Get(subject.Release.IndexerId).Tags;
+
+            if (indexerTags.Any() && indexerTags.Intersect(subject.Author.Tags).Empty())
+            {
+                _logger.Debug("Indexer {0} has tags. None of these are present on author {1}. Rejecting", subject.Release.Indexer, subject.Author);
+
+                return Decision.Reject("Author tags do not match any of the indexer tags");
+            }
+
+            return Decision.Accept();
+        }
+    }
+}

src/NzbDrone.Core/Housekeeping/Housekeepers/CleanupUnusedTags.cs

@@ -20,10 +20,10 @@ namespace NzbDrone.Core.Housekeeping.Housekeepers
         {
             using (var mapper = _database.OpenConnection())
             {
-                var usedTags = new[] { "Authors", "Notifications", "DelayProfiles", "ReleaseProfiles", "ImportLists" }
+                var usedTags = new[] { "Authors", "Notifications", "DelayProfiles", "ReleaseProfiles", "ImportLists", "Indexers" }
-                .SelectMany(v => GetUsedTags(v, mapper))
+                    .SelectMany(v => GetUsedTags(v, mapper))
-                     .Distinct()
+                    .Distinct()
-                     .ToArray();
+                    .ToArray();
 
                 if (usedTags.Any())
                 {

src/NzbDrone.Core/IndexerSearch/ReleaseSearchService.cs

@@ -112,6 +112,9 @@ namespace NzbDrone.Core.IndexerSearch
                 _indexerFactory.InteractiveSearchEnabled() :
                 _indexerFactory.AutomaticSearchEnabled();
 
+            // Filter indexers to untagged indexers and indexers with intersecting tags
+            indexers = indexers.Where(i => i.Definition.Tags.Empty() || i.Definition.Tags.Intersect(criteriaBase.Author.Tags).Any()).ToList();
+
             var reports = new List<ReleaseInfo>();
 
             _logger.ProgressInfo("Searching indexers for {0}. {1} active indexers", criteriaBase, indexers.Count);

src/NzbDrone.Core/Localization/Core/en.json

@@ -375,6 +375,7 @@
   "IndexerSettings": "Indexer Settings",
   "IndexerStatusCheckAllClientMessage": "All indexers are unavailable due to failures",
   "IndexerStatusCheckSingleClientMessage": "Indexers unavailable due to failures: {0}",
+  "IndexerTagsHelpText": "Only use this indexer for authors with at least one matching tag. Leave blank to use with all authors.",
   "Indexers": "Indexers",
   "IndexersSettingsSummary": "Indexers and release restrictions",
   "InstanceName": "Instance Name",

src/NzbDrone.Core/Tags/TagDetails.cs

@@ -12,13 +12,14 @@ namespace NzbDrone.Core.Tags
         public List<int> RestrictionIds { get; set; }
         public List<int> DelayProfileIds { get; set; }
         public List<int> ImportListIds { get; set; }
+        public List<int> IndexerIds { get; set; }
         public List<int> RootFolderIds { get; set; }
 
         public bool InUse
         {
             get
             {
-                return AuthorIds.Any() || NotificationIds.Any() || RestrictionIds.Any() || DelayProfileIds.Any() || ImportListIds.Any() || RootFolderIds.Any();
+                return AuthorIds.Any() || NotificationIds.Any() || RestrictionIds.Any() || DelayProfileIds.Any() || ImportListIds.Any() || IndexerIds.Any() || RootFolderIds.Any();
             }
         }
     }

src/NzbDrone.Core/Tags/TagService.cs

@@ -3,6 +3,7 @@ using System.Linq;
 using NzbDrone.Core.Books;
 using NzbDrone.Core.Datastore;
 using NzbDrone.Core.ImportLists;
+using NzbDrone.Core.Indexers;
 using NzbDrone.Core.Messaging.Events;
 using NzbDrone.Core.Notifications;
 using NzbDrone.Core.Profiles.Delay;
@@ -32,6 +33,7 @@ namespace NzbDrone.Core.Tags
         private readonly INotificationFactory _notificationFactory;
         private readonly IReleaseProfileService _releaseProfileService;
         private readonly IAuthorService _authorService;
+        private readonly IIndexerFactory _indexerService;
         private readonly IRootFolderService _rootFolderService;
 
         public TagService(ITagRepository repo,
@@ -41,6 +43,7 @@ namespace NzbDrone.Core.Tags
                           INotificationFactory notificationFactory,
                           IReleaseProfileService releaseProfileService,
                           IAuthorService authorService,
+                          IIndexerFactory indexerService,
                           IRootFolderService rootFolderService)
         {
             _repo = repo;
@@ -50,6 +53,7 @@ namespace NzbDrone.Core.Tags
             _notificationFactory = notificationFactory;
             _releaseProfileService = releaseProfileService;
             _authorService = authorService;
+            _indexerService = indexerService;
             _rootFolderService = rootFolderService;
         }
 
@@ -78,6 +82,7 @@ namespace NzbDrone.Core.Tags
             var notifications = _notificationFactory.AllForTag(tagId);
             var restrictions = _releaseProfileService.AllForTag(tagId);
             var author = _authorService.AllForTag(tagId);
+            var indexers = _indexerService.AllForTag(tagId);
             var rootFolders = _rootFolderService.AllForTag(tagId);
 
             return new TagDetails
@@ -89,6 +94,7 @@ namespace NzbDrone.Core.Tags
                 NotificationIds = notifications.Select(c => c.Id).ToList(),
                 RestrictionIds = restrictions.Select(c => c.Id).ToList(),
                 AuthorIds = author.Select(c => c.Id).ToList(),
+                IndexerIds = indexers.Select(c => c.Id).ToList(),
                 RootFolderIds = rootFolders.Select(c => c.Id).ToList()
             };
         }
@@ -101,6 +107,7 @@ namespace NzbDrone.Core.Tags
             var notifications = _notificationFactory.All();
             var restrictions = _releaseProfileService.All();
             var authors = _authorService.GetAllAuthors();
+            var indexers = _indexerService.All();
             var rootFolders = _rootFolderService.All();
 
             var details = new List<TagDetails>();
@@ -116,6 +123,7 @@ namespace NzbDrone.Core.Tags
                     NotificationIds = notifications.Where(c => c.Tags.Contains(tag.Id)).Select(c => c.Id).ToList(),
                     RestrictionIds = restrictions.Where(c => c.Tags.Contains(tag.Id)).Select(c => c.Id).ToList(),
                     AuthorIds = authors.Where(c => c.Tags.Contains(tag.Id)).Select(c => c.Id).ToList(),
+                    IndexerIds = indexers.Where(c => c.Tags.Contains(tag.Id)).Select(c => c.Id).ToList(),
                     RootFolderIds = rootFolders.Where(c => c.DefaultTags.Contains(tag.Id)).Select(c => c.Id).ToList()
                 });
             }

src/Readarr.Api.V1/Tags/TagDetailsResource.cs

@@ -12,6 +12,7 @@ namespace Readarr.Api.V1.Tags
         public List<int> ImportListIds { get; set; }
         public List<int> NotificationIds { get; set; }
         public List<int> RestrictionIds { get; set; }
+        public List<int> IndexerIds { get; set; }
         public List<int> AuthorIds { get; set; }
     }
 
@@ -32,6 +33,7 @@ namespace Readarr.Api.V1.Tags
                 ImportListIds = model.ImportListIds,
                 NotificationIds = model.NotificationIds,
                 RestrictionIds = model.RestrictionIds,
+                IndexerIds = model.IndexerIds,
                 AuthorIds = model.AuthorIds
             };
         }