From 43a86a5e72acf85478633f8183468b615aa85607 Mon Sep 17 00:00:00 2001
From: Shravan Rajinikanth <mail@shrav.me>
Date: Sat, 9 Oct 2021 12:00:42 -0700
Subject: [PATCH] Updated ContextJsonConverter to support array contexts

---
 Source/Common/ContextJsonConverter.cs         | 25 ++++++++++++++++++-
 .../ContextJsonConverterTest.cs               | 12 +++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/Source/Common/ContextJsonConverter.cs b/Source/Common/ContextJsonConverter.cs
index d18e4cfb..7dfcf423 100644
--- a/Source/Common/ContextJsonConverter.cs
+++ b/Source/Common/ContextJsonConverter.cs
@@ -42,7 +42,7 @@ public override JsonLdContext ReadJson(JsonReader reader, Type objectType, JsonL
                 name = (string?)reader.Value;
                 language = null;
             }
-            else
+            else if (reader.TokenType == JsonToken.StartObject)
             {
                 var o = JObject.Load(reader);
 
@@ -52,6 +52,29 @@ public override JsonLdContext ReadJson(JsonReader reader, Type objectType, JsonL
                 var languageProperty = o.Property("@language", StringComparison.OrdinalIgnoreCase);
                 language = languageProperty?.Value?.ToString();
             }
+            else
+            {
+                var a = JArray.Load(reader);
+
+                name = language = null;
+                foreach (var entry in a)
+                {
+                    if (entry.Type == JTokenType.String)
+                    {
+                        name ??= (string?)entry;
+                    }
+                    else
+                    {
+                        var o = (JObject)entry;
+
+                        var nameProperty = o.Property("name", StringComparison.OrdinalIgnoreCase);
+                        name ??= nameProperty?.Value?.ToString() ?? "https://schema.org";
+
+                        var languageProperty = o.Property("@language", StringComparison.OrdinalIgnoreCase);
+                        language ??= languageProperty?.Value?.ToString();
+                    }
+                }
+            }
 
 #pragma warning disable CA1062 // Validate arguments of public methods
             context.Name = name;
diff --git a/Tests/Schema.NET.Test/ContextJsonConverterTest.cs b/Tests/Schema.NET.Test/ContextJsonConverterTest.cs
index 81b19346..4653841e 100644
--- a/Tests/Schema.NET.Test/ContextJsonConverterTest.cs
+++ b/Tests/Schema.NET.Test/ContextJsonConverterTest.cs
@@ -40,6 +40,18 @@ public void ReadJson_ObjectContextWithNameAndLanguage_ContextHasNameAndLanguage(
             Assert.Equal("en", thing?.Context.Language);
         }
 
+        [Fact]
+        public void ReadJson_ArrayContextWithNameAndLanguage_ContextHasNameAndLanguage()
+        {
+            var json = "{\"@context\":[\"foo\",{\"@language\":\"en\"}],\"@type\":\"Thing\"}";
+
+            var thing = SchemaSerializer.DeserializeObject<Thing>(json);
+
+            Assert.NotNull(thing?.Context);
+            Assert.Equal("foo", thing?.Context.Name);
+            Assert.Equal("en", thing?.Context.Language);
+        }
+
         [Fact]
         public void WriteJson_StringContext_ContextHasName()
         {