From a9e89a685a09087d4148f1b50a0dea0d3e7ed5f1 Mon Sep 17 00:00:00 2001
From: Tim Kolijn <tim@kolijn.org>
Date: Tue, 2 Jun 2026 20:23:37 +0200
Subject: [PATCH 1/2] Add migration to clean-up orphaned certificate pivot rows

---
 ...leanup_orphaned_certificate_pivot_rows.php | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 database/migrations/2026_06_02_182050_cleanup_orphaned_certificate_pivot_rows.php

diff --git a/database/migrations/2026_06_02_182050_cleanup_orphaned_certificate_pivot_rows.php b/database/migrations/2026_06_02_182050_cleanup_orphaned_certificate_pivot_rows.php
new file mode 100644
index 00000000..0c6aec9e
--- /dev/null
+++ b/database/migrations/2026_06_02_182050_cleanup_orphaned_certificate_pivot_rows.php
@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        DB::table('certificate_user')->
+            where('certificate_id', function ($query) {
+                $query->select('id')->from('certificates')->whereNotNull('deleted_at');
+        })->delete();
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        //
+    }
+};

From 191e5d3972589c82f73c08fea677b555acbc4884 Mon Sep 17 00:00:00 2001
From: Tim Kolijn <tim@kolijn.org>
Date: Tue, 2 Jun 2026 20:35:00 +0200
Subject: [PATCH 2/2] Add logic to detach users when a role is deleted.

---
 app/Certificate.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/app/Certificate.php b/app/Certificate.php
index bb815ba1..6c4bb422 100644
--- a/app/Certificate.php
+++ b/app/Certificate.php
@@ -12,4 +12,14 @@ class Certificate extends Model
         'name',
         'abbreviation',
     ];
+
+    public static function booted(){
+        static::deleted(function($certificate){
+            $certificate->users()->detach();
+        });
+    }
+
+    public function users(){
+        return $this->belongsToMany(User::class);
+    }
 }