<?php

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

class CreateExhibitions extends Migration {

	/**
	 * Run the migrations.
	 *
	 * @return void
	 */
	public function up()
	{
        Schema::create('exhibitions', function (Blueprint $table) {
            // General
            $table->bigIncrements('id');
            $table->unsignedBigInteger('backend_user_id')->nullable();
            $table->foreign('backend_user_id')->references('id')
                ->on('backend_users')->onDelete('SET NULL')->onUpdate('CASCADE');
            $table->nullableTimestamps();
            $table->unsignedBigInteger('location_id');
            $table->unsignedBigInteger('image_id')->nullable();
            $table->unsignedBigInteger('collection_id')->nullable();
            $table->string('curator', 150)->nullable();
            $table->dateTime('date_from')->nullable();
            $table->dateTime('date_to')->nullable();

            $table->foreign('location_id')
                ->references('id')
                ->on('locations')
                ->onDelete('restrict');

            $table->foreign('image_id')
                ->references('id')
                ->on('media_items')
                ->onDelete('SET NULL')
                ->onUpdate('CASCADE');
        });
	}
	/**
	 * Reverse the migrations.
	 *
	 * @return void
	 */
	public function down()
	{
        Schema::dropIfExists('exhibitions');
	}

}