Fixed: (Cardigann) Replace legacy links with default link when making requests

src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs

@@ -816,5 +816,24 @@ namespace NzbDrone.Core.Indexers.Cardigann
         {
             return new Uri(currentUrl ?? new Uri(SiteLink), path);
         }
+
+        protected string ResolveSiteLink()
+        {
+            var settingsBaseUrl = Settings?.BaseUrl;
+            var defaultLink = _definition.Links.First();
+
+            if (settingsBaseUrl == null)
+            {
+                return defaultLink;
+            }
+
+            if (_definition.Legacylinks.Contains(settingsBaseUrl))
+            {
+                _logger.Trace("Changing legacy site link from {0} to {1}", settingsBaseUrl, defaultLink);
+                return defaultLink;
+            }
+
+            return settingsBaseUrl;
+        }
     }
 }

src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannParser.cs

@@ -21,7 +21,7 @@ namespace NzbDrone.Core.Indexers.Cardigann
     {
         public Action<IDictionary<string, string>, DateTime?> CookiesUpdater { get; set; }
 
-        protected override string SiteLink => Settings?.BaseUrl ?? _definition.Links.First();
+        protected override string SiteLink => ResolveSiteLink();
 
         public CardigannParser(IConfigService configService,
                                CardigannDefinition definition,

src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannRequestGenerator.cs

@@ -27,7 +27,7 @@ namespace NzbDrone.Core.Indexers.Cardigann
         public IDictionary<string, string> Cookies { get; set; }
         protected HttpResponse landingResult;
         protected IHtmlDocument landingResultDocument;
-        protected override string SiteLink => Settings?.BaseUrl ?? _definition.Links.First();
+        protected override string SiteLink => ResolveSiteLink();
 
         public CardigannRequestGenerator(IConfigService configService,
                                          CardigannDefinition definition,