Cambios estructurales para adaptar la P1 a la P2

assets/php/user_dao.php

@@ -0,0 +1,57 @@
+<?php
+    class UserDAO extends DAO {
+		
+		//Constants:
+		private $_USER = "user";
+		private $_MANAGER = "manager";
+		private $_ADMIN = "admin";
+
+        //Attributes:
+
+		//Constructor:
+        function __construct(){
+			parent::__construct();
+        }
+
+		//Methods:
+
+        //Encrypt password with SHA254
+		private function encryptPass($password){
+			$password = hash('sha256', $password);
+
+			return $password;
+		}
+
+        //Create a new User:
+		public function createUser($id, $username, $email, $password, $rol){
+			$password = $this->encryptPass($password);
+			$sql = sprintf( "INSERT INTO users( id, username, email, passwd, rol) 
+								VALUES ( '%s', '%s', '%s', '%s', '%s')", 
+									$id, $username, $email, $password, $rol );
+
+			return $sql;
+
+		}
+
+		//Returns a query to check if the user name exists:
+		public function selectUser($username){
+			$sql = sprintf( "SELECT * FROM users WHERE username = '%s'", $username );
+
+			return $sql;
+		}
+
+		//Returns a query to get the user's data:
+		public function userData($id){
+			$sql = sprintf( "SELECT * FROM users WHERE id = '%d'", $id );
+
+			return $sql;
+		}
+
+		//Create a new User Data Transfer Object:
+		public function loadUser($id, $username, $email, $password, $rol){
+			return new UserDTO($id, $username, $email, $password, $rol);
+		}
+
+    }
+
+?>