From 4e8bb37a5c984b074e7a0103ad3fd403f5410038 Mon Sep 17 00:00:00 2001
From: Bogdan <mynameisbogdan@users.noreply.github.com>
Date: Tue, 28 Feb 2023 21:43:56 +0200
Subject: [PATCH] New: (Cardigann) Add MissingAttributeEqualsNoResults support

---
 .../Definitions/Cardigann/CardigannBase.cs       | 16 +++++++++++++---
 .../Definitions/Cardigann/CardigannDefinition.cs |  1 +
 .../Definitions/Cardigann/CardigannParser.cs     |  6 ++++++
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs
index dcfeb4024..afee4d523 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs
@@ -825,9 +825,19 @@ protected string ResolveSiteLink()
         protected JArray JsonParseRowsSelector(JToken parsedJson, string rowSelector)
         {
             var selector = rowSelector.Split(':')[0];
-            var rowsObj = parsedJson.SelectToken(selector).Value<JArray>();
-            return new JArray(rowsObj.Where(t =>
-                                                JsonParseFieldSelector(t.Value<JObject>(), rowSelector.Remove(0, selector.Length)) != null));
+
+            try
+            {
+                var rowsObj = parsedJson.SelectToken(selector).Value<JArray>();
+
+                return new JArray(rowsObj.Where(t => JsonParseFieldSelector(t.Value<JObject>(), rowSelector.Remove(0, selector.Length)) != null));
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex, "Failed to parse JSON rows for selector \"{0}\"", rowSelector);
+
+                return null;
+            }
         }
 
         private string JsonParseFieldSelector(JToken parsedJson, string rowSelector)
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannDefinition.cs b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannDefinition.cs
index d3f6019da..bfd455f38 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannDefinition.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannDefinition.cs
@@ -159,6 +159,7 @@ public class RowsBlock : SelectorBlock
         public SelectorBlock Dateheaders { get; set; }
         public SelectorBlock Count { get; set; }
         public bool Multiple { get; set; }
+        public bool MissingAttributeEqualsNoResults { get; set; }
     }
 
     public class SearchPathBlock : RequestBlock
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannParser.cs b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannParser.cs
index de392978e..379959a76 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannParser.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannParser.cs
@@ -90,8 +90,14 @@ public IList<ReleaseInfo> ParseResponse(IndexerResponse indexerResponse)
                 }
 
                 var rowsArray = JsonParseRowsSelector(parsedJson, search.Rows.Selector);
+
                 if (rowsArray == null)
                 {
+                    if (search.Rows.MissingAttributeEqualsNoResults)
+                    {
+                        return releases;
+                    }
+
                     throw new IndexerException(indexerResponse, "Error Parsing Rows Selector");
                 }