Fakers::run PHP Метод

    public function run()
    {
        DB::statement('SET FOREIGN_KEY_CHECKS=0;');
        Schedule::truncate();
        Billet::truncate();
        BilletAssignor::truncate();
        Classroom::truncate();
        ClassroomMatter::truncate();
        Config::truncate();
        Employee::truncate();
        Lesson::truncate();
        Matter::truncate();
        Schedule::truncate();
        Student::truncate();
        Teacher::truncate();
        factory(BilletAssignor::class, 1)->create();
        factory(Billet::class, 5)->create();
        $allClassrooms = factory(Classroom::class, 10)->create();
        factory(ClassroomMatter::class, 10)->create();
        factory(Config::class, 10)->create();
        $employee = factory(Employee::class)->create();
        factory(Lesson::class, 40)->create();
        $matters = factory(Matter::class, 10)->create();
        factory(Schedule::class, 3)->create();
        $student = factory(Student::class)->create();
        $teacher = factory(Teacher::class)->create();
        factory(User::class, 1)->create(['username' => 'funcionario', 'password' => bcrypt('funcionario123'), 'owner_type' => Employee::class, 'owner_id' => $employee->id]);
        factory(User::class, 1)->create(['username' => 'aluno', 'password' => bcrypt('aluno123'), 'owner_type' => Student::class, 'owner_id' => $student->id]);
        factory(User::class, 1)->create(['username' => 'professor', 'password' => bcrypt('professor123'), 'owner_type' => Teacher::class, 'owner_id' => $teacher->id]);
        $classrooms = factory(Classroom::class, 3)->create(['teacher_id' => $teacher->id]);
        $classrooms->each(function ($classroom) use($student, $matters) {
            $classroom->students()->attach($student);
            $matters->random(3)->each(function ($matter) use($classroom) {
                $classroom->matters()->attach($matter);
            });
        });
        $allClassrooms->random(3)->each(function ($classroom) use($student, $matters, $teacher) {
            $classroom->teacher()->associate($teacher);
            $classroom->students()->attach($student);
            $matters->random(3)->each(function ($matter) use($classroom) {
                $classroom->matters()->attach($matter);
            });
        });
        factory(User::class, 30)->create();
        DB::statement('SET FOREIGN_KEY_CHECKS=1;');
    }