Initial commit: plantilla base PHP para webs Acai CMS

2026-02-21 21:13:57 +00:00
commit d083259ee9
322 changed files with 62738 additions and 0 deletions
--- a/cms/lib/classes/Db.php
+++ b/cms/lib/classes/Db.php
@@ -0,0 +1,131 @@
+<?php
+class Db {
+    private $host; // Db Host
+    private $user; // Db User
+    private $password; // Db Password
+    private $db; // Db Name
+    private $link; // MySQLi Link
+    
+    private static $instance = false; // Db Class Instance
+    
+    /**
+     * @param host: DB Host
+     * @param user: DB user
+     * @param password: DB Password
+     * @param db: DB Name
+     */
+    public function __construct($host, $user, $password, $db) {
+        $this->host = $host;
+        $this->user = $user;
+        $this->password = $password;
+        $this->db = $db;
+        $this->link = $this->connect();
+    }
+
+    /**
+     * @param host: DB Host
+     * @param user: DB user
+     * @param password: DB Password
+     * @param db: DB Name
+     */
+    public static function getInstance($host='', $user='', $password='', $db='') {
+        if (self::$instance) {
+            return self::$instance;
+        }
+        self::$instance = new Db($host, $user, $password, $db);
+        return self::$instance;
+    }
+
+    public function escape($str) {
+        return $this->link->quote($str);
+    }
+
+    /**
+     * Connects to the database. Returns HTTP Error Code 500 in case of error
+     */
+    private function connect() {
+        $dsn = "mysql:host=".$this->host.";dbname=".$this->db.";charset=utf8mb4";
+        $options = [
+            PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+            PDO::ATTR_EMULATE_PREPARES => false,
+            PDO::MYSQL_ATTR_INIT_COMMAND => 'SET sql_mode="TRADITIONAL"'
+        ];
+        try {
+            $link = new PDO($dsn, $this->user, $this->password, $options);
+            return $link;
+        } catch (\PDOException $e) {
+            throw new \PDOException($e->getMessage(), (int)$e->getCode());
+        }
+        return false;
+    }
+
+    /**
+     * Executes a SQL Query
+     * 
+     * @param sql: SQL Query
+     * @param params: List of variables to be binded
+     * 
+     * @return bool
+     */
+    public function execute($sql, $params = null) {
+        if ($params) {
+            $stmt = $this->link->prepare($sql);
+            try {
+                $stmt->execute($params);
+            }
+            catch(Exception $e) {
+                return false;
+            }
+        }
+        else {
+            $stmt = $this->link->query($sql);
+        }
+        return $stmt->rowCount();
+    }
+
+    /**
+     * Executes a SQL Select Query
+     * 
+     * @param sql: SQL Select Query
+     * @param params: List of variables to be binded
+     * @param indexed: If set to true, returns the indexed array instead of associative
+     * 
+     * @return array
+     */
+    public function executeS($sql, $params = null, $indexed = false) {
+        if ($params) {
+            $stmt = $this->link->prepare($sql);
+            $stmt->execute($params);
+        }
+        else {
+            $stmt = $this->link->query($sql);
+        }
+        if ($indexed) {
+            $result = $stmt->fetchAll(PDO::FETCH_ARRAY);
+        }
+        else {
+            $result = $stmt->fetchAll();
+        }
+        
+        return $result;
+    }
+    /**
+     * Executes a SQL Select Query of one element
+     * 
+     * @param sql: SQL Select Query
+     * @param params: List of variables to be binded
+     * @param indexed: If set to true, returns the indexed array instead of associative
+     * 
+     * @return array
+     */
+    public function fetch($sql, $params = null, $indexed = false) {
+        $result = $this->executeS($sql, $params, $indexed);
+        return empty($result) ? null : $result[0];
+    }
+
+    public function foundRows() {
+        $foundRows = $this->link->query('SELECT FOUND_ROWS()')->fetchColumn();
+        return $foundRows;
+    }
+}