fix: compare contextual tuples by value (#228)

Signed-off-by: ihopenre-eng <247072151+ihopenre-eng@users.noreply.github.com>
Co-authored-by: ihopenre-eng <247072151+ihopenre-eng@users.noreply.github.com>
Co-authored-by: Anurag Bandyopadhyay <angbpy@gmail.com>

Author: ihopenre-eng

src/OpenFga.Sdk.Test/Models/Client/ClientCheckRequestTest.cs

@@ -0,0 +1,44 @@
+using OpenFga.Sdk.Client.Model;
+using System.Collections.Generic;
+using Xunit;
+
+namespace OpenFga.Sdk.Test.Models.Client;
+
+public class ClientCheckRequestTests {
+    [Fact]
+    public void Equals_ReturnsTrue_WhenContextualTuplesHaveEqualValues() {
+        var request1 = CreateRequest("document:budget");
+        var request2 = CreateRequest("document:budget");
+
+        Assert.True(request1.Equals(request2));
+    }
+
+    [Fact]
+    public void Equals_ReturnsFalse_WhenContextualTuplesHaveDifferentValues() {
+        var request1 = CreateRequest("document:budget");
+        var request2 = CreateRequest("document:forecast");
+
+        Assert.False(request1.Equals(request2));
+    }
+
+    [Fact]
+    public void GetHashCode_ReturnsSameValue_WhenContextualTuplesHaveEqualValues() {
+        var request1 = CreateRequest("document:budget");
+        var request2 = CreateRequest("document:budget");
+
+        Assert.Equal(request1.GetHashCode(), request2.GetHashCode());
+    }
+
+    private static ClientCheckRequest CreateRequest(string contextualObject) => new() {
+        User = "user:anne",
+        Relation = "viewer",
+        Object = "document:roadmap",
+        ContextualTuples = new List<ClientTupleKey> {
+            new() {
+                User = "user:anne",
+                Relation = "editor",
+                Object = contextualObject,
+            },
+        },
+    };
+}

src/OpenFga.Sdk/Client/Model/ClientCheckRequest.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using System.Linq;
 using System.Runtime.Serialization;
 using System.Text.Json;
 using System.Text.Json.Serialization;
@@ -75,7 +76,8 @@ public bool Equals(ClientCheckRequest input) {
             (
                 ContextualTuples == input.ContextualTuples ||
                 (ContextualTuples != null &&
-                 ContextualTuples.Equals(input.ContextualTuples))
+                 input.ContextualTuples != null &&
+                 ContextualTuples.SequenceEqual(input.ContextualTuples))
             ) &&
             (
                 this.Context == input.Context ||
@@ -112,7 +114,10 @@ public override int GetHashCode() {
             }
 
             if (ContextualTuples != null) {
-                hashCode = (hashCode * 9923) + ContextualTuples.GetHashCode();
+                hashCode = (hashCode * 9923) + ContextualTuples.Count;
+                foreach (var contextualTuple in ContextualTuples) {
+                    hashCode = (hashCode * 9923) + (contextualTuple?.GetHashCode() ?? 0);
+                }
             }
 
             if (Context != null) {