pedi2/database/seeds/GrupoDeCompraSeeder.php

<?php

use App\Helpers\CsvHelper;
use App\GrupoDeCompra;
use App\User;
use App\UserRole;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\Hash;

class GrupoDeCompraSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     * @throws \League\Csv\Exception
     */
    public function run()
    {
        $registros = CsvHelper::getRecords(resource_path('csv/barrios.csv'), 'No se pudo leer la planilla de barrios.');
        $gdcToInsert = [];
        $usersToInsert = [];
        $roles = UserRole::where('nombre', 'barrio')->orWhere('nombre', 'admin_barrio')->get();

        foreach($registros as $key => $registro){
            $gdcToInsert[] = DatabaseSeeder::addTimestamps([
                'nombre'        => $registro['barrio'],
                'region'        => $registro['region'],
            ]);

            foreach($roles as $role) {
                $nombre = $registro['barrio'] . ($role->nombre == 'barrio' ? '' : '_admin');
                $usersToInsert[] = DatabaseSeeder::addTimestamps([
                    'name' => $nombre,
                    'password' => Hash::make("123"),
                    'role_id' => $role->id,
                    'grupo_de_compra_id' => $key,
                ]);
            }
        }

        foreach (array_chunk($gdcToInsert,DatabaseSeeder::CHUNK_SIZE) as $chunk)
            GrupoDeCompra::insert($chunk);

        foreach (array_chunk($usersToInsert,DatabaseSeeder::CHUNK_SIZE) as $chunk)
            User::insert($chunk);
    }
}