OLAS/app/database/migrations/2021_06_05_235926_create_as...

<?php

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

class CreateAssignedRolesTable extends Migration
{


    public function up()
    {
        // Creates the roles table
        Schema::create('roles', function ($table) {
            $table->increments('id')->unsigned();
            $table->string('name')->unique();
            $table->timestamps();
        });

        // Creates the assigned_roles (Many-to-Many relation) table
        Schema::create('assigned_roles', function ($table) {
            $table->increments('id')->unsigned();
            $table->integer('user_id')->unsigned();
            $table->integer('role_id')->unsigned();
            $table->foreign('user_id')->references('id')->on('users')
                ->onUpdate('cascade')->onDelete('cascade');
            $table->foreign('role_id')->references('id')->on('roles');
        });

        // Creates the permissions table
        Schema::create('permissions', function ($table) {
            $table->increments('id')->unsigned();
            $table->string('name')->unique();
            $table->string('display_name');
            $table->timestamps();
        });

        // Creates the permission_role (Many-to-Many relation) table
        Schema::create('permission_role', function ($table) {
            $table->increments('id')->unsigned();
            $table->integer('permission_id')->unsigned();
            $table->integer('role_id')->unsigned();
            $table->foreign('permission_id')->references('id')->on('permissions'); // assumes a users table
            $table->foreign('role_id')->references('id')->on('roles');
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return  void
     */
    public function down()
    {
        Schema::table('assigned_roles', function (Blueprint $table) {
            $table->dropForeign('assigned_roles_user_id_foreign');
            $table->dropForeign('assigned_roles_role_id_foreign');
        });

        Schema::table('permission_role', function (Blueprint $table) {
            $table->dropForeign('permission_role_permission_id_foreign');
            $table->dropForeign('permission_role_role_id_foreign');
        });

        Schema::drop('assigned_roles');
        Schema::drop('permission_role');
        Schema::drop('roles');
        Schema::drop('permissions');
    }
}