Change gallery image ordering property type from int to long

src/Modrinth.Net/Endpoints/Project/IProjectEndpoint.cs

@@ -132,7 +132,7 @@ Task<SearchResponse> SearchAsync(
     /// <returns></returns>
     /// <exception cref="ModrinthApiException"> Thrown when the API returns an error or the request fails </exception>
     Task AddGalleryImageAsync(string slugOrId, string imagePath, bool featured, string? title = null,
-        string? description = null, int? ordering = null, CancellationToken cancellationToken = default);
+        string? description = null, long? ordering = null, CancellationToken cancellationToken = default);
 
     /// <summary>
     ///     Modifies an existing gallery image
@@ -147,7 +147,7 @@ Task AddGalleryImageAsync(string slugOrId, string imagePath, bool featured, stri
     /// <returns></returns>
     /// <exception cref="ModrinthApiException"> Thrown when the API returns an error or the request fails </exception>
     Task ModifyGalleryImageAsync(string slugOrId, string url, bool? featured = null, string? title = null,
-        string? description = null, int? ordering = null, CancellationToken cancellationToken = default);
+        string? description = null, long? ordering = null, CancellationToken cancellationToken = default);
 
     /// <summary>
     ///     Deletes an existing gallery image

src/Modrinth.Net/Endpoints/Project/ProjectEndpoint.cs

@@ -158,7 +158,7 @@ public async Task ChangeIconAsync(string slugOrId, string iconPath, Cancellation
 
     /// <inheritdoc />
     public async Task AddGalleryImageAsync(string slugOrId, string imagePath, bool featured, string? title = null,
-        string? description = null, int? ordering = null, CancellationToken cancellationToken = default)
+        string? description = null, long? ordering = null, CancellationToken cancellationToken = default)
     {
         if (!File.Exists(imagePath)) throw new FileNotFoundException("Image not found", imagePath);
 
@@ -193,7 +193,7 @@ public async Task AddGalleryImageAsync(string slugOrId, string imagePath, bool f
 
     /// <inheritdoc />
     public async Task ModifyGalleryImageAsync(string slugOrId, string url, bool? featured = null, string? title = null,
-        string? description = null, int? ordering = null, CancellationToken cancellationToken = default)
+        string? description = null, long? ordering = null, CancellationToken cancellationToken = default)
     {
         if (ordering < 0)
             throw new ArgumentOutOfRangeException(nameof(ordering), "Ordering must be greater than or equal to 0");

src/Modrinth.Net/Models/Gallery.cs

@@ -34,5 +34,5 @@ public class Gallery
     /// <summary>
     ///     The order of the gallery image. Gallery images are sorted by this field and then alphabetically by title.
     /// </summary>
-    public int Ordering { get; set; }
+    public long Ordering { get; set; }
 }

test/Modrinth.Net.Test/RequesterTests.cs

@@ -2,6 +2,7 @@
 using System.Text;
 using Modrinth.Exceptions;
 using Modrinth.Http;
+using Modrinth.Models;
 
 namespace Modrinth.Net.Test;
 
@@ -166,4 +167,52 @@ public async Task SendAsync_ReleasesSemaphoreAfterFailureOrCancellation()
         Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
         Assert.That(handler.Calls, Is.EqualTo(2));
     }
+
+    [Test]
+    public async Task GetJsonAsync_GalleryOrderingAboveInt32Max_DeserializesSuccessfully()
+    {
+        const long expectedOrdering = 6844313514;
+        var json =
+            "[{\"url\":\"https://example.com/image.png\",\"featured\":false,\"title\":\"t\",\"description\":\"d\",\"created\":\"2026-01-01T00:00:00Z\",\"ordering\":" +
+            expectedOrdering + "}]";
+
+        var handler = new DelegateMessageHandler((_, _) =>
+            Task.FromResult(new HttpResponseMessage(HttpStatusCode.OK)
+            {
+                Content = new StringContent(json, Encoding.UTF8, "application/json")
+            }));
+
+        using var requester = CreateRequester(handler);
+        var request = new HttpRequestMessage(HttpMethod.Get, "http://test.com");
+
+        var galleries = await requester.GetJsonAsync<Gallery[]>(request);
+
+        using (Assert.EnterMultipleScope())
+        {
+            Assert.That(galleries, Has.Length.EqualTo(1));
+            Assert.That(galleries[0].Ordering, Is.EqualTo(expectedOrdering));
+        }
+    }
+
+    [Test]
+    public async Task GetJsonAsync_GalleryOrderingHugeInt64_DeserializesSuccessfully()
+    {
+        const long expectedOrdering = 68541332132131350;
+        var json =
+            "[{\"url\":\"https://example.com/image.png\",\"featured\":true,\"title\":\"t\",\"description\":\"d\",\"created\":\"2026-01-01T00:00:00Z\",\"ordering\":" +
+            expectedOrdering + "}]";
+
+        var handler = new DelegateMessageHandler((_, _) =>
+            Task.FromResult(new HttpResponseMessage(HttpStatusCode.OK)
+            {
+                Content = new StringContent(json, Encoding.UTF8, "application/json")
+            }));
+
+        using var requester = CreateRequester(handler);
+        var request = new HttpRequestMessage(HttpMethod.Get, "http://test.com");
+
+        var galleries = await requester.GetJsonAsync<Gallery[]>(request);
+
+        Assert.That(galleries[0].Ordering, Is.EqualTo(expectedOrdering));
+    }
 }