Slugs: Created history table to track changes

database/migrations/2025_11_23_161812_create_slug_history_table.php

@@ -0,0 +1,51 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        // Create the table for storing slug history
+        Schema::create('slug_history', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('sluggable_type', 10)->index();
+            $table->unsignedBigInteger('sluggable_id')->index();
+            $table->string('slug')->index();
+            $table->string('parent_slug')->nullable()->index();
+            $table->timestamps();
+        });
+
+        // Migrate in slugs from page revisions
+        $revisionSlugQuery = DB::table('page_revisions')
+            ->select([
+                DB::raw('\'page\' as sluggable_type'),
+                'page_id as sluggable_id',
+                'slug',
+                'book_slug as parent_slug',
+                DB::raw('min(created_at) as created_at'),
+                DB::raw('min(updated_at) as updated_at'),
+            ])
+            ->where('type', '=', 'version')
+            ->groupBy(['sluggable_id', 'slug', 'parent_slug']);
+
+        DB::table('slug_history')->insertUsing(
+            ['sluggable_type', 'sluggable_id', 'slug', 'parent_slug', 'created_at', 'updated_at'],
+            $revisionSlugQuery,
+        );
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('slug_history');
+    }
+};