276 lines
8.6 KiB
PHP
276 lines
8.6 KiB
PHP
<?php
|
|
/*
|
|
* Este archivo es parte de Nabu.
|
|
*
|
|
* Nabu es software libre: puedes redistribuirlo y/o modificarlo
|
|
* bajo los términos de la Licencia Pública General de GNU Affero publicada por
|
|
* la Free Software Foundation, ya sea la versión 3 de la Licencia, o
|
|
* (a su elección) cualquier versión posterior.
|
|
*
|
|
* Nabu se distribuye con la esperanza de que sea de utilidad,
|
|
* pero SIN NINGUNA GARANTÍA; incluso sin la garantía implícita de
|
|
* COMERCIABILIDAD o APTITUD PARA UN PROPÓSITO PARTICULAR. Consulte la
|
|
* Licencia Pública General de GNU Affero para obtener más detalles.
|
|
*
|
|
* Debería haber recibido una copia de la Licencia Pública General de GNU Affero
|
|
* junto con este programa. De lo contrario, consulte <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
defined('NABU') || exit();
|
|
|
|
class articlesModel extends dbConnection {
|
|
public function __construct() {
|
|
parent::__construct();
|
|
}
|
|
|
|
// @return un array asociativo con los datos de un artículo.
|
|
public function find_article(string $slug) {
|
|
$query = 'SELECT id, slug FROM articles WHERE slug = ? LIMIT 1';
|
|
|
|
try {
|
|
$prepare = $this -> pdo -> prepare($query);
|
|
|
|
$prepare -> execute(array($slug));
|
|
|
|
$article = $prepare -> fetch();
|
|
|
|
return $article;
|
|
}
|
|
catch (PDOException $e) {
|
|
$this -> errors($e -> getMessage(), 'tuvimos un problema para obtener el identificador de un artículo');
|
|
}
|
|
}
|
|
|
|
// Registra un artículo en espera de aprobación.
|
|
public function save_article(array $data) {
|
|
$query = 'INSERT INTO articles(user_id, title, synopsis, body, slug, creation_date) ' .
|
|
'VALUES(:user_id, :title, :synopsis, :body, :slug, :creation_date)';
|
|
|
|
try {
|
|
$this -> pdo -> prepare($query) -> execute($data);
|
|
}
|
|
catch (PDOException $e) {
|
|
$this -> errors($e -> getMessage(), 'tuvimos un problema para registrar un artículo');
|
|
}
|
|
}
|
|
|
|
// @return el número total de artículos autorizados.
|
|
public function count_all(string $pattern) {
|
|
$query = 'SELECT COUNT(*) AS total FROM articles WHERE authorized = TRUE';
|
|
|
|
if (!empty($pattern))
|
|
$query = $query . ' AND title LIKE ?';
|
|
|
|
try {
|
|
$prepare = $this -> pdo -> prepare($query);
|
|
|
|
if (empty($pattern))
|
|
$prepare -> execute();
|
|
else
|
|
$prepare -> execute(array('%' . $pattern . '%'));
|
|
|
|
$count = $prepare -> fetch();
|
|
|
|
return $count['total'];
|
|
}
|
|
catch (PDOException $e) {
|
|
$this -> errors($e -> getMessage(), 'tuvimos un problema para calcular el número total de artículos autorizados');
|
|
}
|
|
}
|
|
|
|
// @return un array con los artículos publicados.
|
|
public function get_all(int $limit, int $accumulation, string $pattern) {
|
|
$query = 'SELECT a.id, a.title, a.synopsis, a.slug, a.cover, u.username AS author, p.avatar, ' .
|
|
'COUNT(f.article_id) AS likes ' .
|
|
'FROM articles AS a ' .
|
|
'INNER JOIN users AS u ON a.user_id = u.id ' .
|
|
'LEFT JOIN profiles AS p ON a.user_id = p.id ' .
|
|
'LEFT JOIN favorites AS f ON a.id = f.article_id ' .
|
|
'WHERE a.authorized = TRUE ';
|
|
|
|
if (!empty($pattern))
|
|
$query = $query . 'AND a.title LIKE ? ';
|
|
|
|
$query = $query . 'GROUP BY a.id ORDER BY a.title ASC LIMIT ? OFFSET ?';
|
|
|
|
try {
|
|
$prepare = $this -> pdo -> prepare($query);
|
|
|
|
if (empty($pattern))
|
|
$prepare -> execute(array($limit, $accumulation));
|
|
else
|
|
$prepare -> execute(array('%' . $pattern . '%', $limit, $accumulation));
|
|
|
|
$articles = $prepare -> fetchAll();
|
|
|
|
if (!empty($articles)) {
|
|
$query = 'SELECT COUNT(*) AS comments FROM comments WHERE article_id = ?';
|
|
|
|
$prepare = $this -> pdo -> prepare($query);
|
|
|
|
foreach ($articles as &$article) {
|
|
$prepare -> execute(array($article['id']));
|
|
|
|
$data = $prepare -> fetch();
|
|
|
|
$article['comments'] = $data['comments'];
|
|
}
|
|
|
|
unset($article);
|
|
}
|
|
|
|
if (empty($articles))
|
|
$articles = array();
|
|
|
|
return $articles;
|
|
}
|
|
catch (PDOException $e) {
|
|
$this -> errors($e -> getMessage(), 'tuvimos un problema para obtener todos los artículos publicados');
|
|
}
|
|
}
|
|
|
|
// @return el contenido de un artículo.
|
|
public function get_article(int $id) {
|
|
$query = 'SELECT a.id, a.title, a.body, a.slug, a.cover, a.modification_date AS date, ' .
|
|
'u.id AS author_id, u.name AS author, u.username, p.avatar, p.description ' .
|
|
'FROM articles AS a ' .
|
|
'INNER JOIN users AS u ON a.user_id = u.id ' .
|
|
'LEFT JOIN profiles AS p ON a.user_id = p.id ' .
|
|
'WHERE a.authorized = TRUE AND a.id = ? LIMIT 1';
|
|
|
|
try {
|
|
$prepare = $this -> pdo -> prepare($query);
|
|
|
|
$prepare -> execute(array($id));
|
|
|
|
return $prepare -> fetch();
|
|
}
|
|
catch (PDOException $e) {
|
|
$this -> errors($e -> getMessage(), 'tuvimos un problema para obtener el contenido de un artículo');
|
|
}
|
|
}
|
|
|
|
// @return un array con los artículos más populares de un usuario.
|
|
public function popular_articles(int $id, int $limit) {
|
|
$query = 'SELECT a.id, a.title, a.synopsis, a.slug, a.cover, u.username AS author, p.avatar, ' .
|
|
'COUNT(f.article_id) AS likes ' .
|
|
'FROM articles AS a ' .
|
|
'INNER JOIN users AS u ON a.user_id = u.id ' .
|
|
'LEFT JOIN profiles AS p ON a.user_id = p.id ' .
|
|
'LEFT JOIN favorites AS f ON a.id = f.article_id ' .
|
|
'WHERE a.user_id = ? AND a.authorized = TRUE '.
|
|
'GROUP BY a.id ' .
|
|
'ORDER BY likes DESC LIMIT ?';
|
|
|
|
try {
|
|
$prepare = $this -> pdo -> prepare($query);
|
|
|
|
$prepare -> execute(array($id, $limit));
|
|
|
|
$articles = $prepare -> fetchAll();
|
|
|
|
if (!empty($articles)) {
|
|
$query = 'SELECT COUNT(*) AS comments FROM comments WHERE article_id = ?';
|
|
|
|
$prepare = $this -> pdo -> prepare($query);
|
|
|
|
foreach ($articles as &$article) {
|
|
$prepare -> execute(array($article['id']));
|
|
|
|
$data = $prepare -> fetch();
|
|
|
|
$article['comments'] = $data['comments'];
|
|
}
|
|
|
|
unset($article);
|
|
}
|
|
|
|
if (empty($articles))
|
|
$articles = array();
|
|
|
|
return $articles;
|
|
}
|
|
catch (PDOException $e) {
|
|
$this -> errors($e -> getMessage(), 'tuvimos un problema para obtener los artículos más populares de un usuario');
|
|
}
|
|
}
|
|
|
|
// @return la foto de perfil de un usuario.
|
|
public function get_avatar(int $id) {
|
|
$query = 'SELECT id, avatar FROM profiles WHERE id = ? LIMIT 1';
|
|
|
|
try {
|
|
$prepare = $this -> pdo -> prepare($query);
|
|
|
|
$prepare -> execute(array($id));
|
|
|
|
return $prepare -> fetch();
|
|
}
|
|
catch (PDOException $e) {
|
|
$this -> errors($e -> getMessage(), 'tuvimos un problema para obtener la foto de perfil de un usuario');
|
|
}
|
|
}
|
|
|
|
// Publica un comentario.
|
|
public function post_comment(array $data) {
|
|
$query = 'INSERT INTO comments(user_id, article_id, body, comment_date) ' .
|
|
'VALUES(:user_id, :article_id, :body, :comment_date)';
|
|
|
|
try {
|
|
$this -> pdo -> prepare($query) -> execute($data);
|
|
}
|
|
catch (PDOException $e) {
|
|
$this -> errors($e -> getMessage(), 'tuvimos un problema para publicar un comentario');
|
|
}
|
|
}
|
|
|
|
// @return un array con los comentarios de un artículo.
|
|
public function get_comments(int $id) {
|
|
$query = 'SELECT c.id, c.user_id, c.body, c.comment_date AS date, u.name, u.username, p.avatar ' .
|
|
'FROM comments AS c ' .
|
|
'INNER JOIN users AS u ON c.user_id = u.id ' .
|
|
'LEFT JOIN profiles AS p ON c.user_id = p.id ' .
|
|
'WHERE c.article_id = ? ORDER BY date DESC';
|
|
|
|
try {
|
|
$prepare = $this -> pdo -> prepare($query);
|
|
|
|
$prepare -> execute(array($id));
|
|
|
|
$comments = $prepare -> fetchAll();
|
|
|
|
if (empty($comments))
|
|
$comments = array();
|
|
|
|
return $comments;
|
|
}
|
|
catch (PDOException $e) {
|
|
$this -> errors($e -> getMessage(), 'tuvimos un problema para obtener los comentarios de un artículo');
|
|
}
|
|
}
|
|
|
|
// @return boolean si un usuario le ha dado like a un artículo.
|
|
public function get_like(int $user_id, int $article_id) {
|
|
$query = 'SELECT * from favorites WHERE user_id = ? AND article_id = ?';
|
|
|
|
try {
|
|
$prepare = $this -> pdo -> prepare($query);
|
|
|
|
$prepare -> execute(array($user_id, $article_id));
|
|
|
|
if (empty($prepare -> fetch()))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
catch (PDOException $e) {
|
|
$this -> errors($e -> getMessage(), 'tuvimos un problema para obtener información de like de un artículo');
|
|
}
|
|
}
|
|
|
|
public function __destruct() {
|
|
parent::__destruct();
|
|
$this -> pdo = null;
|
|
}
|
|
}
|