Jurusan.php Controller

<?php

namespace App\Controllers;

use CodeIgniter\Controller;
use App\Models\JurusanModel;

class Jurusan extends Controller
{
    public function index()
    {
        $model = new JurusanModel();
        $data['jurusan'] = $model->orderBy('id', 'ASC')->findAll();
        return view('jurusan/index', $data);
    }

    public function tambah()
    {
        $this->session = \Config\Services::session();
        if(!isset($_SESSION['inputs'])){
            $data = array(
                'jurusan' => '',
                'kapasitas' => '',
                'terisi' => ''
            );
            session()->setFlashdata('inputs', $data);
        }
        return view('/jurusan/tambah');
    }

    public function simpan()
    {
        helper(['form', 'url']);
        $validation = \Config\Services::validation();
        $data = array(
            'jurusan' => $this->request->getPost('jurusan'),
            'kapasitas' => $this->request->getPost('kapasitas'),
            'terisi' => $this->request->getPost('terisi')
        );

        if($validation->run($data, 'jurusan')) {
            $model = new JurusanModel();
            $model->insert($data);
            session()->setFlashdata('success', 'Berhasil menyimpan Jurusan ' . $this->request->getPost('jurusan'));
            return redirect()->to(base_url('/jurusan'));
        }else{
            session()->setFlashdata('inputs', $this->request->getPost());
            session()->setFlashdata('errors', $validation->getErrors());
            return redirect()->to(base_url('/jurusan/tambah'));
        }
    }

    public function edit($id)
    {
        $this->session = \Config\Services::session();
        if(!isset($_SESSION['input'])){
            $data = array(
                'jurusan' => '',
                'kapasitas' => '',
                'terisi' => ''
            );
            session()->setFlashdata('input', $data);
        }
        $model = new JurusanModel();
        $data['jurusan'] = $model->where('id', $id)->first();
        return view('/jurusan/edit', $data);
    }

    public function update()
    {
        //helper(['form', 'url']);
        $id = $this->request->getPost('id');
        $validation = \Config\Services::validation();
        $data = array(
            'jurusan' => $this->request->getPost('jurusan'),
            'kapasitas' => $this->request->getPost('kapasitas'),
            'terisi' => $this->request->getPost('terisi')
        );
        if($validation->run($data, 'jurusan')) {
            $model = new JurusanModel();
            $model->update($id, $data);
            session()->setFlashdata('success', 'Berhasil mengupdate Jurusan ' . $this->request->getPost('jurusan'));
            return redirect()->to(base_url('/jurusan'));
        }else{
            session()->setFlashdata('input', $this->request->getPost());
            session()->setFlashdata('errors', $validation->getErrors());
            return redirect()->to(base_url('/jurusan/edit/' . $id));
        }
    }

    public function hapus($id)
    {
        $model = new JurusanModel();
        $model->where('id', $id)->delete();
        session()->setFlashdata('success', 'Berhasil menghapus Jurusan');
        return redirect()->to(base_url('/jurusan'));
    }
}