2023_11_06_222300_create_comments_table.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('comments', function (Blueprint $table) {
            $table->id();
            $table->unsignedBigInteger('post_id')->nullable();
            $table->unsignedBigInteger('user_id')->nullable();
            $table->unsignedBigInteger('parent_id')->nullable();
            $table->text('content');
            $table->boolean('approved')->default(true);
            $table->softDeletes();
            $table->timestamps();

            $table->index(['approved', 'post_id']);
            $table->index('post_id');
            $table->index('parent_id');

            $table->foreign('post_id')
                ->references('id')
                ->on('posts')
                ->onUpdate('cascade')
                ->onDelete('cascade');

            $table->foreign('user_id')
                ->references('id')
                ->on('users')
                ->onUpdate('cascade')
                ->onDelete('cascade');
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::dropIfExists('comments');
    }
};