add user model

new_cp/application/models/User.php

+<?php
+
+/**
+ * User model
+ *
+ * @author george popoff <ambulance@etersoft.ru>
+ */
+class User extends CI_Model
+{
+    /**
+     * Retrieve user by given username
+     * 
+     * @param type $username
+     * @return User array
+     */
+    public function getUser($username) {
+        $query = $this->db->query("SELECT * FROM users WHERE login = '".$username."' LIMIT 1");
+        return $query->row();
+    }
+    
+    /**
+     * Apply hash function to the password
+     * 
+     * @param password
+     * @return type
+     */
+    public function hashPassword($password) {
+        $password = strval($password);
+        
+        if  ($this->config->item('pass'))  {
+            
+            $pass_key = $this->config->item('pass');
+            
+            if  (isset($pass_key['key_1']) && isset($pass_key['key_2']) && isset($pass_key['key_3']))  {
+                return md5($pass_key['key_2'].$password.$pass_key['key_3'].$pass_key['key_1']);
+            }  else  {
+                return md5($password.'56uyfgh');
+            }
+        }  else  {
+            return md5($password.'56uyfgh');
+        }
+    }
+}