created generic provider factory

NzbDrone.Api.Test/MappingTests/ResourceMappingFixture.cs

@@ -36,7 +36,7 @@ namespace NzbDrone.Api.Test.MappingTests
         [TestCase(typeof(Episode), typeof(EpisodeResource))]
         [TestCase(typeof(RootFolder), typeof(RootFolderResource))]
         [TestCase(typeof(NamingConfig), typeof(NamingConfigResource))]
-        [TestCase(typeof(Indexer), typeof(IndexerResource))]
+        [TestCase(typeof(IndexerDefinition), typeof(IndexerResource))]
         [TestCase(typeof(ReleaseInfo), typeof(ReleaseResource))]
         [TestCase(typeof(ParsedEpisodeInfo), typeof(ReleaseResource))]
         [TestCase(typeof(DownloadDecision), typeof(ReleaseResource))]

NzbDrone.Api/Indexers/IndexerModule.cs

@@ -1,9 +1,7 @@
-using System;
+using System.Collections.Generic;
-using System.Collections.Generic;
-using System.Linq;
 using NzbDrone.Api.ClientSchema;
-using NzbDrone.Api.REST;
 using NzbDrone.Core.Indexers;
+using NzbDrone.Core.ThingiProvider;
 using Omu.ValueInjecter;
 using FluentValidation;
 using NzbDrone.Api.Mapping;
@@ -62,47 +60,36 @@ namespace NzbDrone.Api.Indexers
 
         private void UpdateIndexer(IndexerResource indexerResource)
         {
-            var indexer = _indexerService.Get(indexerResource.Id);
+            var indexer = GetIndexer(indexerResource);
-            indexer.InjectFrom(indexerResource);
-            indexer.Settings = SchemaDeserializer.DeserializeSchema(indexer.Settings, indexerResource.Fields);
 
-            ValidateIndexer(indexer);
+            ValidateIndexer(indexer.Settings);
 
             _indexerService.Update(indexer);
         }
 
 
-        private static void ValidateIndexer(Indexer indexer)
+        private static void ValidateIndexer(IProviderConfig config)
-        {
-            if (indexer.Enable)
         {
-                var validationResult = indexer.Settings.Validate();
+            var validationResult = config.Validate();
 
             if (!validationResult.IsValid)
             {
                 throw new ValidationException(validationResult.Errors);
             }
         }
-        }
 
-        private Indexer GetIndexer(IndexerResource indexerResource)
+        private IndexerDefinition GetIndexer(IndexerResource indexerResource)
         {
-            var indexer = _indexerService.Schema()
-                               .SingleOrDefault(i =>
-                                        i.Implementation.Equals(indexerResource.Implementation,
-                                        StringComparison.InvariantCultureIgnoreCase));
 
-            if (indexer == null)
+            var definition = new IndexerDefinition();
+
+            definition.InjectFrom(indexerResource);
+            if (indexerResource.Enable)
             {
-                throw new BadRequestException("Invalid Indexer Implementation");
+                ValidateIndexer(definition.Settings);
             }
 
-            indexer.InjectFrom(indexerResource);
+            return definition;
-            indexer.Settings = SchemaDeserializer.DeserializeSchema(indexer.Settings, indexerResource.Fields);
-
-            ValidateIndexer(indexer);
-
-            return indexer;
         }
 
         private void DeleteIndexer(int id)

NzbDrone.Api/Indexers/IndexerSchemaModule.cs

@@ -18,7 +18,7 @@ namespace NzbDrone.Api.Indexers
 
         private List<IndexerResource> GetSchema()
         {
-            var indexers = _indexerService.Schema();
+            /*         var indexers = _indexerService.Schema();
 
                      var result = new List<IndexerResource>(indexers.Count);
 
@@ -31,7 +31,9 @@ namespace NzbDrone.Api.Indexers
                          result.Add(indexerResource);
                      }
 
-            return result;
+                     return result;*/
+
+            return null;
         }
     }
 }

NzbDrone.Core.Test/IndexerTests/IndexerServiceFixture.cs

@@ -57,10 +57,8 @@ namespace NzbDrone.Core.Test.IndexerTests
             var indexers = Subject.All().ToList();
             indexers.Should().NotBeEmpty();
             indexers.Should().NotContain(c => c.Settings == null);
-            indexers.Should().NotContain(c => c.Instance == null);
             indexers.Should().NotContain(c => c.Name == null);
             indexers.Select(c => c.Name).Should().OnlyHaveUniqueItems();
-            indexers.Select(c => c.Instance).Should().OnlyHaveUniqueItems();
         }
 
 

NzbDrone.Core.Test/IndexerTests/IntegrationTests/IndexerIntegrationTests.cs

@@ -48,15 +48,15 @@ namespace NzbDrone.Core.Test.IndexerTests.IntegrationTests
         public void nzbsorg_rss()
         {
             var indexer = new Newznab();
-            indexer.Settings = new NewznabSettings
+
+            indexer.Definition = new IndexerDefinition();
+            indexer.Definition.Name = "nzbs.org";
+            indexer.Definition.Settings = new NewznabSettings
             {
                 ApiKey = "64d61d3cfd4b75e51d01cbc7c6a78275",
                 Url = "http://nzbs.org"
             };
 
-            indexer.InstanceDefinition = new IndexerDefinition();
-            indexer.InstanceDefinition.Name = "nzbs.org";
-
             var result = Subject.FetchRss(indexer);
 
             ValidateResult(result);

NzbDrone.Core.Test/ThingiProvider/ProviderBaseFixture.cs

@@ -9,7 +9,7 @@ using NzbDrone.Core.ThingiProvider;
 namespace NzbDrone.Core.Test.ThingiProvider
 {
 
-    public class ProviderRepositoryFixture : DbTest<IndexerProviderRepository, IndexerDefinition>
+    public class ProviderRepositoryFixture : DbTest<ProviderRepository<IndexerDefinition>, IndexerDefinition>
     {
         [Test]
         public void should_read_write_download_provider()

NzbDrone.Core/IndexerSearch/NzbSearchService.cs

@@ -132,7 +132,7 @@ namespace NzbDrone.Core.IndexerSearch
 
         private List<DownloadDecision> Dispatch(Func<IIndexer, IEnumerable<ReleaseInfo>> searchAction, SearchCriteriaBase criteriaBase)
         {
-            var indexers = _indexerService.GetAvailableIndexers().ToList();
+            var indexers = _indexerService.GetAvailableProviders().ToList();
             var reports = new List<ReleaseInfo>();
 
             _logger.ProgressInfo("Searching {0} indexers for {1}", indexers.Count, criteriaBase);

NzbDrone.Core/Indexers/Eztv/Eztv.cs

@@ -1,9 +1,10 @@
 using System;
 using System.Collections.Generic;
+using NzbDrone.Core.ThingiProvider;
 
 namespace NzbDrone.Core.Indexers.Eztv
 {
-    public class Eztv : IndexerBase
+    public class Eztv : IndexerBase<NullSetting>
     {
         public override string Name
         {

NzbDrone.Core/Indexers/FetchAndParseRssService.cs

@@ -29,7 +29,7 @@ namespace NzbDrone.Core.Indexers
         {
             var result = new List<ReleaseInfo>();
 
-            var indexers = _indexerService.GetAvailableIndexers().ToList();
+            var indexers = _indexerService.GetAvailableProviders().ToList();
 
             if (!indexers.Any())
             {

NzbDrone.Core/Indexers/IIndexer.cs

@@ -1,23 +1,15 @@
 using System;
 using System.Collections.Generic;
+using NzbDrone.Core.ThingiProvider;
 
 namespace NzbDrone.Core.Indexers
 {
-    public interface IIndexer
+    public interface IIndexer : IProvider
     {
-        string Name { get; }
-       
-        bool EnableByDefault { get; }
-
-        IEnumerable<IndexerDefinition> DefaultDefinitions { get; }
-
-        IndexerDefinition InstanceDefinition { get; set; }
-
-        IEnumerable<string> RecentFeed { get; }
-
         IParseFeed Parser { get; }
         IndexerKind Kind { get; }
 
+        IEnumerable<string> RecentFeed { get; }
         IEnumerable<string> GetEpisodeSearchUrls(string seriesTitle, int tvRageId, int seasonNumber, int episodeNumber);
         IEnumerable<string> GetDailyEpisodeSearchUrls(string seriesTitle, int tvRageId, DateTime date);
         IEnumerable<string> GetSeasonSearchUrls(string seriesTitle, int tvRageId, int seasonNumber, int offset);

NzbDrone.Core/Indexers/IndexerBase.cs

@@ -4,30 +4,38 @@ using NzbDrone.Core.ThingiProvider;
 
 namespace NzbDrone.Core.Indexers
 {
-    public abstract class IndexerBase : IIndexer
+    public abstract class IndexerBase<TSettings> : IIndexer
     {
         public abstract string Name { get; }
 
-        public abstract IndexerKind Kind { get; }
+        public virtual IEnumerable<ProviderDefinition> DefaultDefinitions
-
-        public virtual bool EnableByDefault { get { return true; } }
-
-        public IndexerDefinition InstanceDefinition { get; set; }
-
-        public virtual IEnumerable<IndexerDefinition> DefaultDefinitions
         {
             get
             {
                 yield return new IndexerDefinition
                 {
                     Name = Name,
-                    Enable = EnableByDefault,
+                    Enable = false,
                     Implementation = GetType().Name,
                     Settings = NullSetting.Instance
                 };
             }
         }
 
+        public ProviderDefinition Definition { get; set; }
+
+        public abstract IndexerKind Kind { get; }
+
+        public virtual bool EnableByDefault { get { return true; } }
+
+        protected TSettings Settings
+        {
+            get
+            {
+                return (TSettings)Definition.Settings;
+            }
+        }
+
         public virtual IParseFeed Parser { get; private set; }
 
         public abstract IEnumerable<string> RecentFeed { get; }

NzbDrone.Core/Indexers/IndexerDefinition.cs

@@ -1,11 +1,8 @@
-using System;
+using NzbDrone.Core.ThingiProvider;
-using NzbDrone.Core.Datastore;
-using NzbDrone.Core.ThingiProvider;
 
 namespace NzbDrone.Core.Indexers
 {
     public class IndexerDefinition : ProviderDefinition
     {
-        public Boolean Enable { get; set; }
     }
 }

NzbDrone.Core/Indexers/IndexerService.cs

@@ -1,202 +1,19 @@
-using System;
+using System.Collections.Generic;
-using System.Collections.Generic;
-using System.Linq;
 using NLog;
-using NzbDrone.Common.Serializer;
-using NzbDrone.Core.Configuration;
-using NzbDrone.Core.Indexers.Newznab;
-using NzbDrone.Core.Lifecycle;
-using NzbDrone.Core.Messaging.Events;
 using NzbDrone.Core.ThingiProvider;
-using Omu.ValueInjecter;
 
 namespace NzbDrone.Core.Indexers
 {
-    public class Indexer
+    public interface IIndexerService : IProviderFactory<IIndexer, IndexerDefinition>
     {
-        public int Id { get; set; }
-        public string Name { get; set; }
-        public bool Enable { get; set; }
-        public IProviderConfig Settings { get; set; }
-        public IIndexer Instance { get; set; }
-        public string Implementation { get; set; }
-    }
-
-    public interface IIndexerService
-    {
-        List<Indexer> All();
-        List<IIndexer> GetAvailableIndexers();
-        Indexer Get(int id);
-        Indexer Get(string name);
-        List<Indexer> Schema();
-        Indexer Create(Indexer indexer);
-        Indexer Update(Indexer indexer);
-        void Delete(int id);
-    }
-
-    public class IndexerService : IIndexerService, IHandle<ApplicationStartedEvent>
-    {
-        private readonly IIndexerRepository _indexerRepository;
-        private readonly IConfigFileProvider _configFileProvider;
-        private readonly INewznabTestService _newznabTestService;
-        private readonly Logger _logger;
-
-        private readonly List<IIndexer> _indexers;
-
-        public IndexerService(IIndexerRepository indexerRepository,
-                              IEnumerable<IIndexer> indexers,
-            IConfigFileProvider configFileProvider,
-            INewznabTestService newznabTestService,
-            Logger logger)
-        {
-            _indexerRepository = indexerRepository;
-            _configFileProvider = configFileProvider;
-            _newznabTestService = newznabTestService;
-            _logger = logger;
-
-
-            if (!configFileProvider.Torrent)
-            {
-                _indexers = indexers.Where(c => c.Kind != IndexerKind.Torrent).ToList();
-            }
-            else
-            {
-                _indexers = indexers.ToList();
-            }
-        }
-
-        public List<Indexer> All()
-        {
-            return _indexerRepository.All().Select(ToIndexer).ToList();
-        }
-
-        public List<IIndexer> GetAvailableIndexers()
-        {
-            return All().Where(c => c.Enable && c.Settings.Validate().IsValid).Select(c => c.Instance).ToList();
-        }
-
-        public Indexer Get(int id)
-        {
-            return ToIndexer(_indexerRepository.Get(id));
-        }
-
-        public Indexer Get(string name)
-        {
-            return ToIndexer(_indexerRepository.Get(name));
-        }
-
-        public List<Indexer> Schema()
-        {
-            var indexers = new List<Indexer>();
-
-            var newznab = new Indexer();
-            newznab.Instance = new Newznab.Newznab();
-            newznab.Id = 1;
-            newznab.Name = "Newznab";
-            newznab.Settings = new NewznabSettings();
-            newznab.Implementation = "Newznab";
-
-            indexers.Add(newznab);
-
-            return indexers;
-        }
-
-        public Indexer Create(Indexer indexer)
-        {
-            var definition = new IndexerDefinition
-                                 {
-                                     Name = indexer.Name,
-                                     Enable = indexer.Enable,
-                                     Implementation = indexer.Implementation,
-                                     Settings = indexer.Settings
-                                 };
 
-            var instance = ToIndexer(definition).Instance;
-            _newznabTestService.Test(instance);
-
-            definition = _indexerRepository.Insert(definition);
-            indexer.Id = definition.Id;
-
-            return indexer;
-        }
-
-        public Indexer Update(Indexer indexer)
-        {
-            var definition = _indexerRepository.Get(indexer.Id);
-            definition.InjectFrom(indexer);
-            definition.Settings = indexer.Settings;
-            _indexerRepository.Update(definition);
-
-            return indexer;
     }
 
-        public void Delete(int id)
+    public class IndexerService : ProviderFactory<IIndexer, IndexerDefinition>
     {
-            _indexerRepository.Delete(id);
+        public IndexerService(IProviderRepository<IndexerDefinition> providerRepository, IEnumerable<IIndexer> providers, Logger logger)
-        }
+            : base(providerRepository, providers, logger)
-
-        private Indexer ToIndexer(IndexerDefinition definition)
-        {
-            var indexer = new Indexer();
-            indexer.Id = definition.Id;
-            indexer.Enable = definition.Enable;
-            indexer.Instance = GetInstance(definition);
-            indexer.Name = definition.Name;
-            indexer.Implementation = definition.Implementation;
-
-            if (indexer.Instance.GetType().GetMethod("ImportSettingsFromJson") != null)
         {
-                indexer.Settings = ((dynamic)indexer.Instance).ImportSettingsFromJson(definition.Settings);
-            }
-            else
-            {
-                indexer.Settings = NullSetting.Instance;
-            }
-
-            return indexer;
-        }
-
-        private IIndexer GetInstance(IndexerDefinition indexerDefinition)
-        {
-            var type = GetImplementation(indexerDefinition);
-            var instance = (IIndexer)Activator.CreateInstance(type);
-            instance.InstanceDefinition = indexerDefinition;
-            return instance;
-        }
-
-        private Type GetImplementation(IndexerDefinition indexerDefinition)
-        {
-            return _indexers.Select(c => c.GetType()).SingleOrDefault(c => c.Name.Equals(indexerDefinition.Implementation, StringComparison.InvariantCultureIgnoreCase));
-        }
-
-        public void Handle(ApplicationStartedEvent message)
-        {
-            _logger.Debug("Initializing indexers. Count {0}", _indexers.Count);
-
-            RemoveMissingImplementations();
-
-            var definitions = _indexers.SelectMany(indexer => indexer.DefaultDefinitions);
-
-            var currentIndexer = All();
-
-            var newIndexers = definitions.Where(def => currentIndexer.All(c => c.Implementation != def.Implementation)).ToList();
-
-
-            if (newIndexers.Any())
-            {
-                _indexerRepository.InsertMany(newIndexers);
-            }
-        }
-
-        private void RemoveMissingImplementations()
-        {
-            var storedIndexers = _indexerRepository.All();
-
-            foreach (var indexerDefinition in storedIndexers.Where(i => GetImplementation(i) == null))
-            {
-                _logger.Debug("Removing Indexer {0} ", indexerDefinition.Name);
-                _indexerRepository.Delete(indexerDefinition);
-            }
         }
     }
 }

NzbDrone.Core/Indexers/IndexerWithSetting.cs

@@ -1,22 +0,0 @@
-using NzbDrone.Common.Serializer;
-using NzbDrone.Core.ThingiProvider;
-
-namespace NzbDrone.Core.Indexers
-{
-    public abstract class IndexerWithSetting<TSetting> : IndexerBase where TSetting : class, IProviderConfig, new()
-    {
-        public TSetting Settings { get; set; }
-
-        public override bool EnableByDefault
-        {
-            get { return false; }
-        }
-
-        public TSetting ImportSettingsFromJson(string json)
-        {
-            Settings = Json.Deserialize<TSetting>(json) ?? new TSetting();
-
-            return Settings;
-        }
-    }
-}

NzbDrone.Core/Indexers/Newznab/Newznab.cs

@@ -2,10 +2,11 @@
 using System.Collections.Generic;
 using System.Linq;
 using NzbDrone.Common.Serializer;
+using NzbDrone.Core.ThingiProvider;
 
 namespace NzbDrone.Core.Indexers.Newznab
 {
-    public class Newznab : IndexerWithSetting<NewznabSettings>
+    public class Newznab : IndexerBase<NewznabSettings>
     {
         public override IParseFeed Parser
         {
@@ -15,7 +16,7 @@ namespace NzbDrone.Core.Indexers.Newznab
             }
         }
 
-        public override IEnumerable<IndexerDefinition> DefaultDefinitions
+        public override IEnumerable<ProviderDefinition> DefaultDefinitions
         {
             get
             {
@@ -118,7 +119,7 @@ namespace NzbDrone.Core.Indexers.Newznab
         {
             get
             {
-                return InstanceDefinition.Name;
+                return Definition.Name;
             }
         }
 

NzbDrone.Core/Indexers/Omgwtfnzbs/Omgwtfnzbs.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace NzbDrone.Core.Indexers.Omgwtfnzbs
 {
-    public class Omgwtfnzbs : IndexerWithSetting<OmgwtfnzbsSettings>
+    public class Omgwtfnzbs : IndexerBase<OmgwtfnzbsSettings>
     {
         public override string Name
         {

NzbDrone.Core/Indexers/Wombles/Wombles.cs

@@ -1,9 +1,10 @@
 using System;
 using System.Collections.Generic;
+using NzbDrone.Core.ThingiProvider;
 
 namespace NzbDrone.Core.Indexers.Wombles
 {
-    public class Wombles : IndexerBase
+    public class Wombles : IndexerBase<NullSetting>
     {
         public override string Name
         {

NzbDrone.Core/NzbDrone.Core.csproj

@@ -241,7 +241,6 @@
     <Compile Include="Indexers\IIndexer.cs" />
     <Compile Include="Indexers\IndexerSettingUpdatedEvent.cs" />
     <Compile Include="Indexers\NewznabTestService.cs" />
-    <Compile Include="Indexers\IndexerWithSetting.cs" />
     <Compile Include="Indexers\IParseFeed.cs" />
     <Compile Include="Indexers\Newznab\NewznabException.cs" />
     <Compile Include="Indexers\Newznab\NewznabPreProcessor.cs" />
@@ -413,13 +412,14 @@
     <Compile Include="Parser\Parser.cs" />
     <Compile Include="Parser\ParsingService.cs" />
     <Compile Include="Parser\QualityParser.cs" />
-    <Compile Include="ThingiProvider\ProviderBase.cs" />
+    <Compile Include="ThingiProvider\IProvider.cs" />
     <Compile Include="Qualities\QualityProfileInUseException.cs" />
     <Compile Include="Qualities\QualitySizeRepository.cs" />
     <Compile Include="Qualities\QualityProfileRepository.cs" />
     <Compile Include="Rest\RestSharpExtensions.cs" />
     <Compile Include="Rest\RestException.cs" />
     <Compile Include="SeriesStats\SeriesStatisticsService.cs" />
+    <Compile Include="ThingiProvider\ProviderService.cs" />
     <Compile Include="Tv\EpisodeService.cs" />
     <Compile Include="Tv\Events\EpisodeInfoDeletedEvent.cs" />
     <Compile Include="Tv\Events\EpisodeInfoUpdatedEvent.cs" />

NzbDrone.Core/ThingiProvider/IProvider.cs

@@ -1,38 +1,46 @@
 
+using System;
+using System.Collections.Generic;
 using FluentValidation.Results;
 using NzbDrone.Core.Datastore;
-using NzbDrone.Core.Indexers;
 using NzbDrone.Core.Messaging.Events;
-using NzbDrone.Core.Notifications;
 
 namespace NzbDrone.Core.ThingiProvider
 {
-    public class NotificationProviderRepository : BasicRepository<NotificationDefinition>
+    public interface IProviderRepository<TProvider> : IBasicRepository<TProvider> where TProvider : ModelBase, new()
-    {
-        public NotificationProviderRepository(IDatabase database, IEventAggregator eventAggregator)
-            : base(database, eventAggregator)
     {
-        }
+        TProvider GetByName(string name);
     }
 
 
-    public class IndexerProviderRepository : BasicRepository<IndexerDefinition>
+    public class ProviderRepository<TProviderDefinition> : BasicRepository<TProviderDefinition>, IProviderRepository<TProviderDefinition>
+        where TProviderDefinition : ModelBase,
+        new()
     {
-        public IndexerProviderRepository(IDatabase database, IEventAggregator eventAggregator)
+        protected ProviderRepository(IDatabase database, IEventAggregator eventAggregator)
             : base(database, eventAggregator)
         {
         }
+
+        public TProviderDefinition GetByName(string name)
+        {
+            throw new NotImplementedException();
+        }
     }
 
-    public abstract class ProviderBase
+    public interface IProvider
     {
-        public ProviderDefinition Definition { get; set; }
+        string Name { get; }
+
+        IEnumerable<ProviderDefinition> DefaultDefinitions { get; }
+        ProviderDefinition Definition { get; set; }
     }
 
     public abstract class ProviderDefinition : ModelBase
     {
         public string Name { get; set; }
         public string Implementation { get; set; }
+        public bool Enable { get; set; }
 
         public string ConfigContract
         {

NzbDrone.Core/ThingiProvider/ProviderService.cs

@@ -0,0 +1,129 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using NLog;
+using NzbDrone.Core.Lifecycle;
+using NzbDrone.Core.Messaging.Events;
+
+namespace NzbDrone.Core.ThingiProvider
+{
+    public interface IProviderFactory<TProvider, TProviderDefinition>
+        where TProviderDefinition : ProviderDefinition, new()
+        where TProvider : IProvider
+    {
+        List<TProviderDefinition> All();
+        List<TProvider> GetAvailableProviders();
+        TProviderDefinition Get(int id);
+        //List<TProvider> Schema();
+        TProviderDefinition Create(TProviderDefinition indexer);
+        void Update(TProviderDefinition indexer);
+        void Delete(int id);
+    }
+
+    public abstract class ProviderFactory<TProvider, TProviderDefinition> : IProviderFactory<TProvider, TProviderDefinition>, IHandle<ApplicationStartedEvent>
+        where TProviderDefinition : ProviderDefinition, new()
+        where TProvider : IProvider
+    {
+        private readonly IProviderRepository<TProviderDefinition> _providerRepository;
+        private readonly Logger _logger;
+
+        private readonly List<TProvider> _providers;
+
+        protected ProviderFactory(IProviderRepository<TProviderDefinition> providerRepository, IEnumerable<TProvider> providers, Logger logger)
+        {
+            _providerRepository = providerRepository;
+            _providers = providers.ToList();
+            _logger = logger;
+        }
+
+        public List<TProviderDefinition> All()
+        {
+            return _providerRepository.All().ToList();
+        }
+
+        public List<TProvider> GetAvailableProviders()
+        {
+            return All().Where(c => c.Enable && c.Settings.Validate().IsValid)
+                .Select(GetInstance).ToList();
+        }
+
+        public TProviderDefinition Get(int id)
+        {
+            return _providerRepository.Get(id);
+        }
+
+ /*       public List<TProvider> Schema()
+        {
+            var indexers = new List<Indexer>();
+
+            var newznab = new Indexer();
+            newznab.Instance = new Newznab.Newznab();
+            newznab.Id = 1;
+            newznab.Name = "Newznab";
+            newznab.Settings = new NewznabSettings();
+            newznab.Implementation = "Newznab";
+
+            indexers.Add(newznab);
+
+            return indexers;
+        }*/
+
+        public TProviderDefinition Create(TProviderDefinition provider)
+        {
+            return _providerRepository.Insert(provider);
+        }
+
+        public void Update(TProviderDefinition definition)
+        {
+            _providerRepository.Update(definition);
+        }
+
+        public void Delete(int id)
+        {
+            _providerRepository.Delete(id);
+        }
+
+        private TProvider GetInstance(TProviderDefinition definition)
+        {
+            var type = GetImplementation(definition);
+            var instance = (TProvider)Activator.CreateInstance(type);
+            instance.Definition = definition;
+            return instance;
+        }
+
+        private Type GetImplementation(TProviderDefinition definition)
+        {
+            return _providers.Select(c => c.GetType()).SingleOrDefault(c => c.Name.Equals(definition.Implementation, StringComparison.InvariantCultureIgnoreCase));
+        }
+
+        public void Handle(ApplicationStartedEvent message)
+        {
+            _logger.Debug("Initializing Providers. Count {0}", _providers.Count);
+
+            RemoveMissingImplementations();
+
+            var definitions = _providers.SelectMany(indexer => indexer.DefaultDefinitions);
+
+            var currentProviders = All();
+
+            var newProviders = definitions.Where(def => currentProviders.All(c => c.Implementation != def.Implementation)).ToList();
+
+
+            if (newProviders.Any())
+            {
+                _providerRepository.InsertMany(newProviders.Cast<TProviderDefinition>().ToList());
+            }
+        }
+
+        private void RemoveMissingImplementations()
+        {
+            var storedProvider = _providerRepository.All();
+
+            foreach (var providerDefinition in storedProvider.Where(i => GetImplementation(i) == null))
+            {
+                _logger.Debug("Removing {0} ", providerDefinition.Name);
+                _providerRepository.Delete(providerDefinition);
+            }
+        }
+    }
+}

NzbDrone.ncrunchsolution

@@ -7,7 +7,7 @@
   <FrameworkUtilisationTypeForGallio>Disabled</FrameworkUtilisationTypeForGallio>
   <FrameworkUtilisationTypeForMSpec>Disabled</FrameworkUtilisationTypeForMSpec>
   <FrameworkUtilisationTypeForMSTest>Disabled</FrameworkUtilisationTypeForMSTest>
-  <EngineModes>Run all tests automatically:BFRydWU=;Run all tests manually:BUZhbHNl;Run impacted tests automatically, others manually (experimental!):CklzSW1wYWN0ZWQ=;Run pinned tests automatically, others manually:CElzUGlubmVk;Fast:DlN0cnVjdHVyYWxOb2RlBAAAABNEb2VzTm90SGF2ZUNhdGVnb3J5D0ludGVncmF0aW9uVGVzdBNEb2VzTm90SGF2ZUNhdGVnb3J5BkRiVGVzdApJc0ltcGFjdGVkE0RvZXNOb3RIYXZlQ2F0ZWdvcnkORGlza0FjY2Vzc1Rlc3QAAAAAAAAAAAAAAAA=</EngineModes>
+  <EngineModes>Run all tests automatically:BFRydWU=;Run all tests manually:BUZhbHNl;Run impacted tests automatically, others manually (experimental!):CklzSW1wYWN0ZWQ=;Run pinned tests automatically, others manually:CElzUGlubmVk;Fast:DlN0cnVjdHVyYWxOb2RlBQAAABNEb2VzTm90SGF2ZUNhdGVnb3J5D0ludGVncmF0aW9uVGVzdBNEb2VzTm90SGF2ZUNhdGVnb3J5BkRiVGVzdApJc0ltcGFjdGVkE0RvZXNOb3RIYXZlQ2F0ZWdvcnkORGlza0FjY2Vzc1Rlc3QISXNQaW5uZWQAAAAAAAAAAAAAAAABAAAA</EngineModes>
   <MetricsExclusionList>
 </MetricsExclusionList>
 </SolutionConfiguration>