Rizu/Rizu.MonoMod/patch_UserDetail.cs

// ReSharper disable CheckNamespace
// ReSharper disable InconsistentNaming

using MAI2.Util;
using Rizu.Core;
using Rizu.MonoMod;

namespace Manager.UserDatas;

public class patch_UserDetail : UserDetail
{
    private extern void orig_set_CourseRank(uint value);

    public void set_CourseRank(uint value)
    {
        var prevValue = CourseRank;
        
        orig_set_CourseRank(value);
        
        // Don't send an import if it's the same rank
        if (value == prevValue || value == 0)
        {
            return;
        }

        SingletonMonoBehaviour<RizuMonoBehaviour>.instance.StartCoroutine(Exporter.Instance.ExportDan(this));
    }
}