Catatan Codeigniter 4

<?php namespace App\Database\Migrations;

use CodeIgniter\Database\Migration;

class Peoples extends Migration
{
	public function up()
	{
		$this->forge->addField([
			'id'          => [
				'type'           => 'INT',
				'constraint'     => 5,
				'unsigned'       => true,
				'auto_increment' => true,
			],
			'nama'       => [
				'type'           => 'VARCHAR',
				'constraint'     => '64',
                'unique'         => true,
			],
			'alamat' => [
				'type'           => 'VARCHAR',
				'constraint'     => '255',
				'null'           => true,
			],
            'status'      => [
                'type'           => 'ENUM',
                'constraint'     => ['publish', 'pending', 'draft'],
                'default'        => 'pending',
            ],
            'product_description'   => [
                'type'              => 'TEXT',
                'null'              => TRUE,
            ],
            'create_at timestamp default current_timestamp',
			'update_at timestamp default current_timestamp on update current_timestamp',
			'delete_at'   => [
				'type'     => 'datetime',
				'null'     => TRUE,
			],
		]);
		$this->forge->addKey('id', true);
        $this->forge->addForeignKey('category_id','categories','category_id','CASCADE','CASCADE');
		$this->forge->createTable('people');
	}

	//--------------------------------------------------------------------

	public function down()
	{
		$this->forge->dropTable('people');
	}
}

<?php
 
namespace App\Database\Migrations;
 
use CodeIgniter\Database\Migration;
 
class AddEmail extends Migration
{
    public function up()
    {
        $this->forge->addColumn('pegawai', [
            'email' => [
                'type'           => 'VARCHAR',
                'constraint'     => '100',
                'after'          => 'alamat'
            ]
        ]);
    }
 
    //--------------------------------------------------------------------
 
    public function down()
    {
        $this->forge->dropColumn('pegawai', 'email');
    }
}

<?php namespace App\Database\Seeds;

class SimpleSeeder extends \CodeIgniter\Database\Seeder
{
        public function run()
        {
                $data = [
                        [
                                'nama'  => 'Prof. Sua Ambiguu',
                                'alamat'  =>  'Jl Kayu Mati Nomor 45'
                        ],
                        [
                                'nama'  => 'Ir. Soekarno Putro',
                                'alamat'  =>  'Jl Megayu 45'
                        ]
                ];
                
                $this->db->table('people')->insertBatch($data);
        }
}

public function run()
{
        $data = [
                'nama'  => 'Prof. Sua Ambiguu',
                'alamat'  =>  'Jl Kayu Mati Nomor 45'
        ];
        
        $this->db->table('people')->insert($data);
}

<?php namespace App\Database\Seeds;
require_once APPPATH .'Libraries/Faker/src/autoload.php';

class SimpleSeeder extends \CodeIgniter\Database\Seeder
{
        
        public function run()
        {
                $faker = \Faker\Factory::create('id_ID');

                for ($i = 0; $i < 20; $i++) {
                        $data = [
                                'nama'        => $faker->name,
                                'alamat'      => $faker->address,
                        ];

                        $this->db->table('people')->insert($data);
                }
                
        }
}

<?php namespace App\Filters;

use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use CodeIgniter\Filters\FilterInterface;

class LoginFilter implements FilterInterface
{
    public function before(RequestInterface $request, $arguments = null)
    {
        // Do something here
        if(!session()->has('logged_in')){
            session()->setFlashdata('info', [0,"Silahkan Login Terlebih Dahulu"]);
            return redirect()->to('/admin');
        }
    }
 
    //--------------------------------------------------------------------
 
    public function after(RequestInterface $request, ResponseInterface $response, $arguments = null)
    {
        // Do something here
    }
}

public $aliases = [
		'csrf'     => \CodeIgniter\Filters\CSRF::class,
		'toolbar'  => \CodeIgniter\Filters\DebugToolbar::class,
		'honeypot' => \CodeIgniter\Filters\Honeypot::class,
		'logged_in'    => \App\Filters\LoginFilter::class, // <= TAMBAHIN INI BRO
	];

$routes->group('', ['filter' => 'logged_in'], function($routes){ // <= KASIH FILTER NYA
	$routes->get('/dashboard', 'Admin::dashboard');
	$routes->get('/logout', 'Admin::logout');	
}); 

session()->setFlashdata('info', [0,"Silahkan Login Terlebih Dahulu"]); // <= SIMPEN DI SESSION

if ($this->session->has('message')) {
	$dataIndex['message'] = $this->session->get('message');
}

<?php namespace App\Models;
use CodeIgniter\Model;
 
class Transaksi_model extends Model
{
    protected $table = 'transaksi';

    public function getSql($sql){
        return $this->db->query($sql)->getResultArray();
    }
     
    public function getTransaksi($id = false)
    {
        if($id === false){
            return $this->findAll();
        }else{
            return $this->getWhere(['id' => $id]);
        }
    }

    public function simpan($data){
        $query = $this->db->table($this->table)->insert($data);
        return $query;
    }

    public function ubah($data, $id)
    {
        $query = $this->db->table($this->table)->update($data, array('id' => $id));
        return $query;
    }

    public function hapus($id)
    {
        $query = $this->db->table($this->table)->delete(array('id' => $id));
        return $query;
    } 
 
}

<?php namespace App\Controllers;
 
use CodeIgniter\Controller;
use App\Models\Admin_model;
 
class Admin extends Controller
{
    private $adminM;

    public function __construct(){
        $this->adminM = new Admin_model();
    }

    public function index()
    {
        $data['admin'] = $this->adminM->getAdmin();
        echo view('admin',$data);
    }
}

public function aksi(){
        if($this->request->getPost('status')=="tambah"){
            $pw = password_hash($this->request->getPost('password'),PASSWORD_DEFAULT);
            $data = array(
                'nama'  => $this->request->getPost('nama'),
                'username'  => $this->request->getPost('username'),
                'password'  => $pw,
            );
            $status = $this->adminM->simpan($data);
            session()->setFlashdata('info', 'Berhasil menyimpan data');
        }elseif($this->request->getPost('status')=="ubah"){
            $id = $this->request->getPost('id');
            if(empty($this->request->getPost('password'))){
                $data = array(
                    'nama'  => $this->request->getPost('nama'),
                    'username'  => $this->request->getPost('username'),
                );
                $status = $this->adminM->ubah($data,$id);
            }else{
                $pw = password_hash($this->request->getPost('password'),PASSWORD_DEFAULT);
                $data = array(
                    'nama'  => $this->request->getPost('nama'),
                    'username'  => $this->request->getPost('username'),
                    'password'  => $pw,
                );
                $status = $this->adminM->ubah($data,$id);
            }
            session()->setFlashdata('info', 'Berhasil mengubah data');
        }else{
            session()->setFlashdata('info', 'Terjadi Kesalahan Data');
            return redirect()->to('/admin');
            die();
        }

        if(!$status){
            session()->setFlashdata('info', 'Gagal menyimpan data');
        }
        
        return redirect()->to('/admin');
    }