New: Use Best PageSize for Newznab/Torznab

Max of Default or Max and no more than 100

src/NzbDrone.Core.Test/IndexerTests/NewznabTests/NewznabFixture.cs

@@ -62,13 +62,21 @@ namespace NzbDrone.Core.Test.IndexerTests.NewznabTests
             releaseInfo.Size.Should().Be(1183105773);
         }
 
-        [Test]
-        public void should_use_pagesize_reported_by_caps()
+        public void should_use_best_pagesize_reported_by_caps()
         {
             _caps.MaxPageSize = 30;
             _caps.DefaultPageSize = 25;
 
-            Subject.PageSize.Should().Be(25);
+            Subject.PageSize.Should().Be(30);
+        }
+
+        [Test]
+        public void should_not_use_pagesize_over_100_even_if_reported_in_caps()
+        {
+            _caps.MaxPageSize = 250;
+            _caps.DefaultPageSize = 25;
+
+            Subject.PageSize.Should().Be(100);
         }
     }
 }

src/NzbDrone.Core.Test/IndexerTests/TorznabTests/TorznabFixture.cs

@@ -135,12 +135,21 @@ namespace NzbDrone.Core.Test.IndexerTests.TorznabTests
         }
 
         [Test]
-        public void should_use_pagesize_reported_by_caps()
+        public void should_use_best_pagesize_reported_by_caps()
         {
             _caps.MaxPageSize = 30;
             _caps.DefaultPageSize = 25;
 
-            Subject.PageSize.Should().Be(25);
+            Subject.PageSize.Should().Be(30);
+        }
+
+        [Test]
+        public void should_not_use_pagesize_over_100_even_if_reported_in_caps()
+        {
+            _caps.MaxPageSize = 250;
+            _caps.DefaultPageSize = 25;
+
+            Subject.PageSize.Should().Be(100);
         }
 
         [TestCase("http://localhost:9117/", "/api")]

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

@@ -20,7 +20,7 @@ namespace NzbDrone.Core.Indexers.Newznab
 
         public override DownloadProtocol Protocol => DownloadProtocol.Usenet;
 
-        public override int PageSize => _capabilitiesProvider.GetCapabilities(Settings).DefaultPageSize;
+        public override int PageSize => Math.Min(100, Math.Max(_capabilitiesProvider.GetCapabilities(Settings).DefaultPageSize, _capabilitiesProvider.GetCapabilities(Settings).MaxPageSize));
 
         public override IIndexerRequestGenerator GetRequestGenerator()
         {

src/NzbDrone.Core/Indexers/Torznab/Torznab.cs

@@ -20,7 +20,7 @@ namespace NzbDrone.Core.Indexers.Torznab
         public override string Name => "Torznab";
 
         public override DownloadProtocol Protocol => DownloadProtocol.Torrent;
-        public override int PageSize => _capabilitiesProvider.GetCapabilities(Settings).DefaultPageSize;
+        public override int PageSize => Math.Min(100, Math.Max(_capabilitiesProvider.GetCapabilities(Settings).DefaultPageSize, _capabilitiesProvider.GetCapabilities(Settings).MaxPageSize));
 
         public override IIndexerRequestGenerator GetRequestGenerator()
         {