xssbook2/web/_controller/apps/home.php

<?php /* Copyright (c) 2024 Freya Murphy */
class Home_controller extends Controller {

	// the home model
	private $home_model;

	// the request model
	private $request_model;

	// the caceh model
	private $cache_model;

	function __construct($load) {
		parent::__construct($load);
		$this->home_model = $this->load->model('apps/home');
		$this->request_model = $this->load->model('request');
		$this->cache_model = $this->load->model('cache');
	}

	public function index(): void {
		parent::index();
		$data = $this->home_model->get_data();
		$this->view('header', $data);
		$this->view('apps/home/main', $data);
	}

	public function posts(): void {
		$page = $this->request_model->get_int('page', 0);
		$page_size = 20;
		$offset = $page * $page_size;

		$user = $this->main->user();

		$query = $this->db;

		if ($user) {
			$query = $query->select('p.*, l.post_id IS NOT NULL as liked');
		} else {
			$query = $query->select('p.*, FALSE as liked');
		}

		$query = $query->from('api.post p');

		if ($user) {
			$query = $query->join('admin.like l', 'p.id = l.post_id')
				->where('l.user_id')->eq($user['id'])
				->or()->where('l.user_id IS NULL');
		}

		$posts = $query->limit($page_size)
			->offset($offset)
			->rows();

		$users = $this->cache_model->get_users($posts);

		foreach ($posts as $post) {
			$data = array();
			$data['user'] = $users[$post['user_id']];
			$data['post'] = $post;
			$this->view('template/post', $data);
		}
	}

	public function comments(): void {
		$page = $this->request_model->get_int('page', 0);
		$id = $this->request_model->get_int('id');
		$page_size = 20;
		$offset = $page * $page_size;

		$comments = $this->db
			->select('*')
			->from('admin.comment')
			->limit($page_size)
			->offset($offset)
			->rows();

		$users = $this->cache_model->get_users($comments);

		foreach ($comments as $comment) {
			$data = array();
			$data['user'] = $users[$comment['user_id']];
			$data['comment'] = $comment;
			$this->view('template/comment', $data);
		}
	}

}

?>