Upgrade to Laravel 8

database/seeders/BookmarksTableSeeder.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Support\Carbon;
+use App\Models\{Bookmark, Tag};
+use Illuminate\Database\Seeder;
+use Illuminate\Support\Facades\DB;
+
+class BookmarksTableSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        Bookmark::factory(10)->create();
+        factory(Bookmark::class, 10)->create()->each(function ($bookmark) {
+            $bookmark->tags()->save(factory(Tag::class)->make());
+
+            $now = Carbon::now()->subDays(rand(2, 12));
+            DB::table('bookmarks')
+                ->where('id', $bookmark->id)
+                ->update([
+                    'created_at' => $now->toDateTimeString(),
+                    'updated_at' => $now->toDateTimeString(),
+                ]);
+        });
+    }
+}