update logic call

database/migrations/2026_01_31_093643_update_fk_column_module_folder.php

@@ -0,0 +1,48 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('module_folder', function (Blueprint $table) {
+            $table->unsignedBigInteger('module_datacenter_id')->nullable()->change();
+        });
+
+        // Clean up orphan records that point to non-existent datacenters
+        DB::table('module_folder')
+            ->whereNotNull('module_datacenter_id')
+            ->whereNotExists(function ($query) {
+                $query->select(DB::raw(1))
+                      ->from('module_datacenter')
+                      ->whereColumn('module_folder.module_datacenter_id', 'module_datacenter.id');
+            })
+            ->update(['module_datacenter_id' => null]);
+
+        Schema::table('module_folder', function (Blueprint $table) {
+            $table->foreign('module_datacenter_id')
+                ->references('id')
+                ->on('module_datacenter')
+                ->cascadeOnDelete();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('module_folder', function (Blueprint $table) {
+            $table->dropForeign(['module_datacenter_id']);
+            // Revert changes if necessary, though restoring invalid data isn't possible.
+            // We just restore the foreign key constraint if that was the intent.
+            $table->foreign('module_datacenter_id')->references('id')->on('module_datacenter')->onDelete('cascade');
+        });
+    }
+};