New: Filter SABnzbd queue by category

(cherry picked from commit 49fd9c4462741e756e0cd43c287939f929de11b2)

Closes #2548

src/NzbDrone.Core.Test/Download/DownloadClientTests/SabnzbdTests/SabnzbdFixture.cs

@@ -175,7 +175,7 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.SabnzbdTests
             }
 
             Mocker.GetMock<ISabnzbdProxy>()
-                .Setup(s => s.GetHistory(It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), It.IsAny<SabnzbdSettings>()))
+                .Setup(s => s.GetHistory(It.IsAny<int>(), It.IsAny<int>(), It.IsAny<SabnzbdSettings>()))
                 .Returns(history);
         }
 

src/NzbDrone.Core/Download/Clients/Sabnzbd/Sabnzbd.cs

@@ -105,7 +105,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
 
         private IEnumerable<DownloadClientItem> GetHistory()
         {
-            var sabHistory = _proxy.GetHistory(0, _configService.DownloadClientHistoryLimit, Settings.MusicCategory, Settings);
+            var sabHistory = _proxy.GetHistory(0, _configService.DownloadClientHistoryLimit, Settings);
 
             var historyItems = new List<DownloadClientItem>();
 

src/NzbDrone.Core/Download/Clients/Sabnzbd/SabnzbdProxy.cs

@@ -19,7 +19,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
         SabnzbdConfig GetConfig(SabnzbdSettings settings);
         SabnzbdFullStatus GetFullStatus(SabnzbdSettings settings);
         SabnzbdQueue GetQueue(int start, int limit, SabnzbdSettings settings);
-        SabnzbdHistory GetHistory(int start, int limit, string category, SabnzbdSettings settings);
+        SabnzbdHistory GetHistory(int start, int limit, SabnzbdSettings settings);
         string RetryDownload(string id, SabnzbdSettings settings);
     }
 
@@ -46,7 +46,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
         {
             var request = BuildRequest("addfile", settings).Post();
 
-            request.AddQueryParam("cat", category);
+            request.AddQueryParam("cat", settings.MusicCategory);
             request.AddQueryParam("priority", priority);
 
             request.AddFormUpload("name", filename, nzbData, "application/x-nzb");
@@ -111,20 +111,25 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
             request.AddQueryParam("start", start);
             request.AddQueryParam("limit", limit);
 
+            if (settings.MusicCategory.IsNotNullOrWhiteSpace())
+            {
+                request.AddQueryParam("category", settings.MusicCategory);
+            }
+
             var response = ProcessRequest(request, settings);
 
             return Json.Deserialize<SabnzbdQueue>(JObject.Parse(response).SelectToken("queue").ToString());
         }
 
-        public SabnzbdHistory GetHistory(int start, int limit, string category, SabnzbdSettings settings)
+        public SabnzbdHistory GetHistory(int start, int limit, SabnzbdSettings settings)
         {
             var request = BuildRequest("history", settings);
             request.AddQueryParam("start", start);
             request.AddQueryParam("limit", limit);
 
-            if (category.IsNotNullOrWhiteSpace())
+            if (settings.MusicCategory.IsNotNullOrWhiteSpace())
             {
-                request.AddQueryParam("category", category);
+                request.AddQueryParam("category", settings.MusicCategory);
             }
 
             var response = ProcessRequest(request, settings);