70 lines
1.8 KiB
PHP
Executable File
70 lines
1.8 KiB
PHP
Executable File
<?php
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class Database {
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private static $instance = null;
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private $pdo;
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private function __construct() {
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try {
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$dsn = "mysql:host=" . DB_HOST . ";port=" . DB_PORT . ";dbname=" . DB_NAME . ";charset=utf8mb4";
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$options = [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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PDO::ATTR_EMULATE_PREPARES => false
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];
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$this->pdo = new PDO($dsn, DB_USER, DB_PASS, $options);
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} catch (PDOException $e) {
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die("Error de conexión a base de datos: " . $e->getMessage());
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}
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}
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public static function getInstance() {
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if (self::$instance === null) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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public function getConnection() {
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return $this->pdo;
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}
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public function query($sql, $params = []) {
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$stmt = $this->pdo->prepare($sql);
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$stmt->execute($params);
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return $stmt;
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}
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public function fetchAll($sql, $params = []) {
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$stmt = $this->query($sql, $params);
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return $stmt->fetchAll();
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}
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public function fetchOne($sql, $params = []) {
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$stmt = $this->query($sql, $params);
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return $stmt->fetch();
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}
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public function execute($sql, $params = []) {
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$stmt = $this->query($sql, $params);
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return $stmt->rowCount();
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}
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public function lastInsertId() {
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return $this->pdo->lastInsertId();
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}
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public function beginTransaction() {
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return $this->pdo->beginTransaction();
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}
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public function commit() {
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return $this->pdo->commit();
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}
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public function rollback() {
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return $this->pdo->rollBack();
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}
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}
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