<?php namespace SureSoftware\PowerSEO\Updates;

use Schema;
use October\Rain\Database\Updates\Migration;
use System\Classes\PluginManager;

class CreateBlogPostsTable extends Migration
{

    public function up()
    {
        if (PluginManager::instance()->hasPlugin('RainLab.Blog')) {
            Schema::table('rainlab_blog_posts', function ($table) {
                if (!Schema::hasColumn('rainlab_blog_posts', 'powerseo_title')) {
                    $table->text('powerseo_title')->nullable();
                }
                if (!Schema::hasColumn('rainlab_blog_posts', 'powerseo_description')) {
                    $table->text('powerseo_description')->nullable();
                }
                if (!Schema::hasColumn('rainlab_blog_posts', 'powerseo_keywords')) {
                    $table->text('powerseo_keywords')->nullable();
                }
                if (!Schema::hasColumn('rainlab_blog_posts', 'powerseo_canonical_url')) {
                    $table->text('powerseo_canonical_url')->nullable();
                }
                if (!Schema::hasColumn('rainlab_blog_posts', 'powerseo_redirect_url')) {
                    $table->text('powerseo_redirect_url')->nullable();
                }
                if (!Schema::hasColumn('rainlab_blog_posts', 'powerseo_robot_index')) {
                    $table->string('powerseo_robot_index')->nullable();
                }
                if (!Schema::hasColumn('rainlab_blog_posts', 'powerseo_robot_follow')) {
                    $table->string('powerseo_robot_follow')->nullable();
                }
            });
        }
    }

    public function down()
    {
        //this migration is cleaned up by create_blog_posts_table.php
    }
}