liwo/database/seeds/WorkflowSeeder.php

<?php

use App\Models\Status;
use App\Models\Workflow;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\DB;

class WorkflowSeeder extends Seeder
{
    public function run()
    {
        $workflow_inc = 0;
        $status_inc = 0;
        $workflows = [];
        $statuses = [];
//        $status_workflow = [];
        for ($business_id=1; $business_id <= 2000; $business_id++) {
            $business_workflows = [];
            for ($i=0; $i < rand(1, 4); $i++) {
                $workflows[] = factory(Workflow::class)->raw([
                    'business_id' => $business_id,
                ]);
                $business_workflows[] = ++$workflow_inc;
                for ($i=0; $i < rand(1, 4); $i++) {
                    $statuses[] = factory(Status::class)->raw([
                        'business_id' => $business_id,
                        'workflow_id' => $workflow_inc,
                    ]);
                    $status_inc++;
                }
            }
//            for ($i=0; $i < rand(1, 4); $i++) {
//                $statuses[] = factory(Status::class)->raw([
//                    'business_id' => $business_id,
//                ]);
//                $status_inc++;
//                for ($ws=0; $ws < rand(0, count($business_workflows)); $ws++) {
//                    $status_workflow[] = [
//                        'status_id' => $status_inc,
//                        'workflow_id' => $business_workflows[rand(0, count($business_workflows)-1)],
//                        'order' => rand(0, 10)
//                    ];
//                }
//            }
        }
        DB::table('workflows')->insert($workflows);
        DB::table('statuses')->insert($statuses);
//        DB::table('status_workflow')->insert($status_workflow);
    }
}