Initial commit, Ecard system build with CodeIgniter PHP framework

Currently working
- Basic structure
- Basic caching and gzip compression for speed
- Admin authentication

application/models/erkanaauth_model.php

@@ -0,0 +1,87 @@
+<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Erkanaauth_model extends CI_Model {
+
+    var $db_table   = 'users';
+    var $db_userid  = 'id';
+
+    function __construct()
+    {
+        // Call the Model constructor
+        parent::__construct();
+        log_message('debug', 'Authorization class initialized (model Erkanaauth).');
+    }
+
+
+    /**
+     * Attempt to login using the given condition
+     *
+     * Accepts an associative array as input, containing login conditions
+     * Example:
+     *     $conditions = array
+     *     (
+     *          'email'=>$email,
+     *          'password'=>dohash($password)
+     *     );
+     *     $this->erkanaauth->try_login($conditions));
+     *
+     * @access public
+     * @param  array login conditions
+     * @return mixed boolean:false or object with user record
+     */
+    function try_login($condition = array())
+    {
+        $query = $this->db->get_where($this->db_table, $condition, 1, 0);
+
+        if ($query->num_rows != 1) return FALSE;
+
+        $row = $query->row();
+        $this->session->set_userdata(array('user_id'=>$row->id));
+
+        return $row;
+    }
+
+    /**
+     * Multipurpose: Check logged state and have the current user info
+     *
+     * Copied from http://codeigniter.com/forums/viewthread/63423/P30/:
+     * getUser() now returns a user's record and can be
+     * used to determine login status as well as retrieving
+     * user information. Right now it doesn’t support roles
+     * (so if you use that system, add in a JOIN to the method below)
+     * but it will when I actually release this version
+     *
+     * @access public
+     * @param  int the user id, defaults to session user_id
+     * @return mixed boolean:false or object with user record
+     */
+    function getUser($id = FALSE)
+    {
+        if ($id == FALSE) $id = $this->session->userdata('user_id');
+
+        if ($id == FALSE) return FALSE;
+
+        $condition = array(($this->db_table .'.' .$this->db_userid) =>$id);
+
+        $query = $this->db->get_where($this->db_table, $condition, 1, 0);
+
+        $row = ($query->num_rows() == 1) ? $query->row() : FALSE;
+
+        return $row;
+        }
+
+    /**
+     * Logs a user out
+     *
+     * Example: $this->erkanaauth->logout()
+     *
+     * @access    public
+     * @return    void
+     */
+     function logout()
+    {
+        $this->session->set_userdata(array('user_id'=>FALSE));
+    }
+ }
+
+ ?>