Minor improvements in health checks

src/NzbDrone.Core/HealthCheck/Checks/DownloadClientRootFolderCheck.cs

@@ -44,15 +44,13 @@ namespace NzbDrone.Core.HealthCheck.Checks
                 try
                 {
                     var status = client.GetStatus();
-                    var folders = status.OutputRootFolders;
+                    var folders = status.OutputRootFolders.Where(folder => rootFolders.Any(r => r.Path.PathEquals(folder.FullPath)));
+
                     foreach (var folder in folders)
-                    {
-                        if (rootFolders.Any(r => r.Path.PathEquals(folder.FullPath)))
                     {
                         return new HealthCheck(GetType(), HealthCheckResult.Warning, string.Format("Download client {0} places downloads in the root folder {1}. You should not download to a root folder.", client.Definition.Name, folder.FullPath), "#downloads-in-root-folder");
                     }
                 }
-                }
                 catch (DownloadClientException ex)
                 {
                     _logger.Debug(ex, "Unable to communicate with {0}", client.Definition.Name);

src/NzbDrone.Core/HealthCheck/Checks/ImportMechanismCheck.cs

@@ -42,10 +42,10 @@ namespace NzbDrone.Core.HealthCheck.Checks
                 return new HealthCheck(GetType());
             }
 
-            var downloadClientIsLocalHost = downloadClients.All(v => v.Status.IsLocalhost);
-
             if (!_configService.IsDefined("EnableCompletedDownloadHandling"))
             {
+                var downloadClientIsLocalHost = downloadClients.All(v => v.Status.IsLocalhost);
+
                 // Migration helper logic
                 if (!downloadClientIsLocalHost)
                 {

src/NzbDrone.Core/HealthCheck/Checks/IndexerJackettAllCheck.cs

@@ -21,12 +21,14 @@ namespace NzbDrone.Core.HealthCheck.Checks
 
         public override HealthCheck Check()
         {
-            var jackettAllProviders = _providerFactory.All().Where(
+            var jackettAllProviders = _providerFactory.All()
+                .Where(
                     i => i.ConfigContract.Equals("TorznabSettings") &&
-                ((i.Settings as TorznabSettings).BaseUrl.Contains("/torznab/all/api", StringComparison.InvariantCultureIgnoreCase) ||
+                         (((TorznabSettings)i.Settings).BaseUrl.Contains("/torznab/all/api", StringComparison.InvariantCultureIgnoreCase) ||
-                (i.Settings as TorznabSettings).BaseUrl.Contains("/api/v2.0/indexers/all/results/torznab", StringComparison.InvariantCultureIgnoreCase) ||
+                          ((TorznabSettings)i.Settings).BaseUrl.Contains("/api/v2.0/indexers/all/results/torznab", StringComparison.InvariantCultureIgnoreCase) ||
-                (i.Settings as TorznabSettings).ApiPath.Contains("/torznab/all/api", StringComparison.InvariantCultureIgnoreCase) ||
+                          ((TorznabSettings)i.Settings).ApiPath.Contains("/torznab/all/api", StringComparison.InvariantCultureIgnoreCase) ||
-                (i.Settings as TorznabSettings).ApiPath.Contains("/api/v2.0/indexers/all/results/torznab", StringComparison.InvariantCultureIgnoreCase)));
+                          ((TorznabSettings)i.Settings).ApiPath.Contains("/api/v2.0/indexers/all/results/torznab", StringComparison.InvariantCultureIgnoreCase)))
+                .ToArray();
 
             if (jackettAllProviders.Empty())
             {

src/NzbDrone.Core/HealthCheck/Checks/IndexerLongTermStatusCheck.cs

@@ -28,8 +28,7 @@ namespace NzbDrone.Core.HealthCheck.Checks
                     s => s.ProviderId,
                     (i, s) => new { Provider = i, Status = s })
                 .Where(p => p.Status.InitialFailure.HasValue &&
-                                                               p.Status.InitialFailure.Value.Before(
+                            p.Status.InitialFailure.Value.Before(DateTime.UtcNow.AddHours(-6)))
-                                                                   DateTime.UtcNow.AddHours(-6)))
                 .ToList();
 
             if (backOffProviders.Empty())

src/NzbDrone.Core/HealthCheck/Checks/IndexerStatusCheck.cs

@@ -28,8 +28,7 @@ namespace NzbDrone.Core.HealthCheck.Checks
                     s => s.ProviderId,
                     (i, s) => new { Provider = i, Status = s })
                 .Where(p => p.Status.InitialFailure.HasValue &&
-                                                               p.Status.InitialFailure.Value.After(
+                            p.Status.InitialFailure.Value.After(DateTime.UtcNow.AddHours(-6)))
-                                                                   DateTime.UtcNow.AddHours(-6)))
                 .ToList();
 
             if (backOffProviders.Empty())

src/NzbDrone.Core/HealthCheck/Checks/MountCheck.cs

@@ -20,7 +20,7 @@ namespace NzbDrone.Core.HealthCheck.Checks
             // Not best for optimization but due to possible symlinks and junctions, we get mounts based on series path so internals can handle mount resolution.
             var mounts = _seriesService.GetAllSeriesPaths()
                 .Select(s => _diskProvider.GetMount(s.Value))
-                                       .Where(m => m != null && m.MountOptions != null && m.MountOptions.IsReadOnly)
+                .Where(m => m is { MountOptions.IsReadOnly: true })
                 .DistinctBy(m => m.RootDirectory)
                 .ToList();
 

src/NzbDrone.Core/HealthCheck/Checks/ProxyCheck.cs

@@ -29,9 +29,13 @@ namespace NzbDrone.Core.HealthCheck.Checks
 
         public override HealthCheck Check()
         {
-            if (_configService.ProxyEnabled)
+            if (!_configService.ProxyEnabled)
             {
+                return new HealthCheck(GetType());
+            }
+
             var addresses = Dns.GetHostAddresses(_configService.ProxyHostname);
+
             if (!addresses.Any())
             {
                 return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Failed to resolve the IP Address for the Configured Proxy Host {0}", _configService.ProxyHostname), "#proxy-failed-resolve-ip");
@@ -57,7 +61,6 @@ namespace NzbDrone.Core.HealthCheck.Checks
                 _logger.Error(ex, "Proxy Health Check failed");
                 return new HealthCheck(GetType(), HealthCheckResult.Error, $"Failed to test proxy: {request.Url}", "#proxy-failed-test");
             }
-            }
 
             return new HealthCheck(GetType());
         }

src/NzbDrone.Core/HealthCheck/Checks/RemotePathMappingCheck.cs

@@ -67,15 +67,14 @@ namespace NzbDrone.Core.HealthCheck.Checks
                             {
                                 return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Remote download client {0} places downloads in {1} but this is not a valid {2} path. Review your remote path mappings and download client settings.", client.Definition.Name, folder.FullPath, _osInfo.Name), "#bad-remote-path-mapping");
                             }
-                            else if (_osInfo.IsDocker)
+
+                            if (_osInfo.IsDocker)
                             {
                                 return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("You are using docker; download client {0} reported files in {1} but this is not a valid {2} path. Review your remote path mappings and download client settings.", client.Definition.Name, folder.FullPath, _osInfo.Name), "#docker-bad-remote-path-mapping");
                             }
-                            else
+
-                            {
                             return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Local download client {0} places downloads in {1} but this is not a valid {2} path. Review your download client settings.", client.Definition.Name, folder.FullPath, _osInfo.Name), "#bad-download-client-settings");
                         }
-                        }
 
                         if (!_diskProvider.FolderExists(folder.FullPath))
                         {
@@ -83,17 +82,16 @@ namespace NzbDrone.Core.HealthCheck.Checks
                             {
                                 return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("You are using docker; download client {0} places downloads in {1} but this directory does not appear to exist inside the container. Review your remote path mappings and container volume settings.", client.Definition.Name, folder.FullPath), "#docker-bad-remote-path-mapping");
                             }
-                            else if (!status.IsLocalhost)
+
+                            if (!status.IsLocalhost)
                             {
                                 return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Remote download client {0} places downloads in {1} but this directory does not appear to exist. Likely missing or incorrect remote path mapping.", client.Definition.Name, folder.FullPath), "#bad-remote-path-mapping");
                             }
-                            else
+
-                            {
                             return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Download client {0} places downloads in {1} but Sonarr cannot see this directory. You may need to adjust the folder's permissions.", client.Definition.Name, folder.FullPath), "#permissions-error");
                         }
                     }
                 }
-                }
                 catch (DownloadClientException ex)
                 {
                     _logger.Debug(ex, "Unable to communicate with {0}", client.Definition.Name);
@@ -119,10 +117,8 @@ namespace NzbDrone.Core.HealthCheck.Checks
                 return new HealthCheck(GetType());
             }
 
-            if (typeof(EpisodeImportFailedEvent).IsAssignableFrom(message.GetType()))
+            if (message is EpisodeImportFailedEvent failureMessage)
             {
-                var failureMessage = (EpisodeImportFailedEvent)message;
-
                 // if we can see the file exists but the import failed then likely a permissions issue
                 if (failureMessage.EpisodeInfo != null)
                 {
@@ -132,13 +128,11 @@ namespace NzbDrone.Core.HealthCheck.Checks
                     {
                         return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Sonarr can see but not access downloaded episode {0}. Likely permissions error.", episodePath), "#permissions-error");
                     }
-                    else
+
-                    {
                     // If the file doesn't exist but EpisodeInfo is not null then the message is coming from
                     // ImportApprovedEpisodes and the file must have been removed part way through processing
                     return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("File {0} was removed part way through processing.", episodePath), "#remote-path-file-removed");
                 }
-                }
 
                 // If the previous case did not match then the failure occured in DownloadedEpisodeImportService,
                 // while trying to locate the files reported by the download client
@@ -168,15 +162,14 @@ namespace NzbDrone.Core.HealthCheck.Checks
                         {
                             return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Remote download client {0} reported files in {1} but this is not a valid {2} path. Review your remote path mappings and download client settings.", client.Definition.Name, dlpath, _osInfo.Name), "#bad-remote-path-mapping");
                         }
-                        else if (_osInfo.IsDocker)
+
+                        if (_osInfo.IsDocker)
                         {
                             return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("You are using docker; download client {0} reported files in {1} but this is not a valid {2} path. Review your remote path mappings and download client settings.", client.Definition.Name, dlpath, _osInfo.Name), "#docker-bad-remote-path-mapping");
                         }
-                        else
+
-                        {
                         return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Local download client {0} reported files in {1} but this is not a valid {2} path. Review your download client settings.", client.Definition.Name, dlpath, _osInfo.Name), "#bad-download-client-settings");
                     }
-                    }
 
                     if (_diskProvider.FolderExists(dlpath))
                     {
@@ -188,16 +181,15 @@ namespace NzbDrone.Core.HealthCheck.Checks
                     {
                         return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Sonarr can see but not access download directory {0}. Likely permissions error.", client.Definition.Name, dlpath), "#docker-bad-remote-path-mapping");
                     }
-                    else if (!status.IsLocalhost)
+
+                    if (!status.IsLocalhost)
                     {
                         return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Remote download client {0} reported files in {1} but this directory does not appear to exist. Likely missing remote path mapping.", client.Definition.Name, dlpath), "#bad-remote-path-mapping");
                     }
-                    else
+
-                    {
                     // path mappings shouldn't be needed locally so probably a permissions issue
                     return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format("Download client {0} reported files in {1} but Sonarr cannot see this directory. You may need to adjust the folder's permissions.", client.Definition.Name, dlpath), "#permissions-error");
                 }
-                }
                 catch (DownloadClientException ex)
                 {
                     _logger.Debug(ex, "Unable to communicate with {0}", client.Definition.Name);
@@ -213,10 +205,8 @@ namespace NzbDrone.Core.HealthCheck.Checks
 
                 return new HealthCheck(GetType());
             }
-            else
+
-            {
             return Check();
         }
     }
-    }
 }

src/NzbDrone.Core/HealthCheck/Checks/RemovedSeriesCheck.cs

@@ -1,5 +1,4 @@
 using System.Linq;
-using NLog;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Tv;
 using NzbDrone.Core.Tv.Events;
@@ -12,12 +11,10 @@ namespace NzbDrone.Core.HealthCheck.Checks
     public class RemovedSeriesCheck : HealthCheckBase, ICheckOnCondition<SeriesUpdatedEvent>, ICheckOnCondition<SeriesDeletedEvent>
     {
         private readonly ISeriesService _seriesService;
-        private readonly Logger _logger;
 
-        public RemovedSeriesCheck(ISeriesService seriesService, Logger logger)
+        public RemovedSeriesCheck(ISeriesService seriesService)
         {
             _seriesService = seriesService;
-            _logger = logger;
         }
 
         public override HealthCheck Check()

src/NzbDrone.Core/HealthCheck/Checks/UpdateCheck.cs

@@ -65,13 +65,10 @@ namespace NzbDrone.Core.HealthCheck.Checks
                 }
             }
 
-            if (BuildInfo.BuildDateTime < DateTime.UtcNow.AddDays(-14))
+            if (BuildInfo.BuildDateTime < DateTime.UtcNow.AddDays(-14) && _checkUpdateService.AvailableUpdate() != null)
-            {
-                if (_checkUpdateService.AvailableUpdate() != null)
             {
                 return new HealthCheck(GetType(), HealthCheckResult.Warning, "New update is available");
             }
-            }
 
             return new HealthCheck(GetType());
         }