From 046dd7fa60f2c539e94baf8150a2bdfb67d42e7b Mon Sep 17 00:00:00 2001
From: Claus Vium <cvium@users.noreply.github.com>
Date: Wed, 3 Mar 2021 17:24:58 +0100
Subject: [PATCH] Merge pull request #5356 from cvium/fix_provideridextensions

return false when providerid is null or empty

(cherry picked from commit ddc62a89bab6b5a1ecdee7a9ebc7f9d5887d8be8)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>
---
 .../Entities/ProviderIdsExtensions.cs         | 12 ++++++--
 .../Manager/ProviderManager.cs                |  8 ++---
 .../Entities/ProviderIdsExtensionsTests.cs    | 29 +++++++++++++++----
 3 files changed, 38 insertions(+), 11 deletions(-)

diff --git a/MediaBrowser.Model/Entities/ProviderIdsExtensions.cs b/MediaBrowser.Model/Entities/ProviderIdsExtensions.cs
index 16e1d49c76..512a5473f4 100644
--- a/MediaBrowser.Model/Entities/ProviderIdsExtensions.cs
+++ b/MediaBrowser.Model/Entities/ProviderIdsExtensions.cs
@@ -22,7 +22,7 @@ namespace MediaBrowser.Model.Entities
                 throw new ArgumentNullException(nameof(instance));
             }
 
-            return instance.ProviderIds?.ContainsKey(name) ?? false;
+            return instance.TryGetProviderId(name, out _);
         }
 
         /// <summary>
@@ -56,7 +56,15 @@ namespace MediaBrowser.Model.Entities
                 return false;
             }
 
-            return instance.ProviderIds.TryGetValue(name, out id);
+            var foundProviderId = instance.ProviderIds.TryGetValue(name, out id);
+            // This occurs when searching with Identify (and possibly in other places)
+            if (string.IsNullOrEmpty(id))
+            {
+                id = null;
+                foundProviderId = false;
+            }
+
+            return foundProviderId;
         }
 
         /// <summary>
diff --git a/MediaBrowser.Providers/Manager/ProviderManager.cs b/MediaBrowser.Providers/Manager/ProviderManager.cs
index a20c47cf2e..b11988f531 100644
--- a/MediaBrowser.Providers/Manager/ProviderManager.cs
+++ b/MediaBrowser.Providers/Manager/ProviderManager.cs
@@ -869,14 +869,14 @@ namespace MediaBrowser.Providers.Manager
                         }
                     }
                 }
-                catch (Exception)
+#pragma warning disable CA1031 // do not catch general exception types
+                catch (Exception ex)
+#pragma warning restore CA1031 // do not catch general exception types
                 {
-                    // Logged at lower levels
+                    _logger.LogError(ex, "Provider {ProviderName} failed to retrieve search results", provider.Name);
                 }
             }
 
-            // _logger.LogDebug("Returning search results {0}", _json.SerializeToString(resultList));
-
             return resultList;
         }
 
diff --git a/tests/Jellyfin.Model.Tests/Entities/ProviderIdsExtensionsTests.cs b/tests/Jellyfin.Model.Tests/Entities/ProviderIdsExtensionsTests.cs
index 2b2414ef1b..a1ace84769 100644
--- a/tests/Jellyfin.Model.Tests/Entities/ProviderIdsExtensionsTests.cs
+++ b/tests/Jellyfin.Model.Tests/Entities/ProviderIdsExtensionsTests.cs
@@ -18,7 +18,7 @@ namespace Jellyfin.Model.Tests.Entities
         [Fact]
         public void HasProviderId_NullProvider_False()
         {
-            var nullProvider = new ProviderIdsExtensionsTestsObject()
+            var nullProvider = new ProviderIdsExtensionsTestsObject
             {
                 ProviderIds = null!
             };
@@ -47,6 +47,15 @@ namespace Jellyfin.Model.Tests.Entities
             Assert.True(provider.HasProviderId(MetadataProvider.Imdb));
         }
 
+        [Fact]
+        public void HasProviderId_FoundNameEmptyValue_False()
+        {
+            var provider = new ProviderIdsExtensionsTestsObject();
+            provider.ProviderIds[MetadataProvider.Imdb.ToString()] = string.Empty;
+
+            Assert.False(provider.HasProviderId(MetadataProvider.Imdb));
+        }
+
         [Fact]
         public void GetProviderId_NullInstance_ThrowsArgumentNullException()
         {
@@ -68,7 +77,7 @@ namespace Jellyfin.Model.Tests.Entities
         [Fact]
         public void GetProviderId_NullProvider_Null()
         {
-            var nullProvider = new ProviderIdsExtensionsTestsObject()
+            var nullProvider = new ProviderIdsExtensionsTestsObject
             {
                 ProviderIds = null!
             };
@@ -85,7 +94,7 @@ namespace Jellyfin.Model.Tests.Entities
         [Fact]
         public void TryGetProviderId_NullProvider_False()
         {
-            var nullProvider = new ProviderIdsExtensionsTestsObject()
+            var nullProvider = new ProviderIdsExtensionsTestsObject
             {
                 ProviderIds = null!
             };
@@ -112,6 +121,16 @@ namespace Jellyfin.Model.Tests.Entities
             Assert.Equal(ExampleImdbId, id);
         }
 
+        [Fact]
+        public void TryGetProviderId_FoundNameEmptyValue_False()
+        {
+            var provider = new ProviderIdsExtensionsTestsObject();
+            provider.ProviderIds[MetadataProvider.Imdb.ToString()] = string.Empty;
+
+            Assert.False(provider.TryGetProviderId(MetadataProvider.Imdb, out var id));
+            Assert.Null(id);
+        }
+
         [Fact]
         public void SetProviderId_NullInstance_ThrowsArgumentNullException()
         {
@@ -146,7 +165,7 @@ namespace Jellyfin.Model.Tests.Entities
         [Fact]
         public void SetProviderId_NullProvider_Success()
         {
-            var nullProvider = new ProviderIdsExtensionsTestsObject()
+            var nullProvider = new ProviderIdsExtensionsTestsObject
             {
                 ProviderIds = null!
             };
@@ -158,7 +177,7 @@ namespace Jellyfin.Model.Tests.Entities
         [Fact]
         public void SetProviderId_NullProviderAndEmptyName_Success()
         {
-            var nullProvider = new ProviderIdsExtensionsTestsObject()
+            var nullProvider = new ProviderIdsExtensionsTestsObject
             {
                 ProviderIds = null!
             };