<?php

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

class CreateApprovalRuleLogTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('approval_rule_log', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('grade_id'); // base grade id
            $table->integer('rule_id'); // rule id
            $table->mediumText('modifications'); // json string containing all changes made to the rules
            $table->timestamps();
            $table->integer('updated_by'); // user id of the user updating the rule
        });
    }

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