CodeIgniter - BlogController kodsnutt

gistfile1.txt

<?php

class Blog extends Controller {

	function Blog($page=0)
	{
             parent::Controller();	
             $this->load->library('session');
             $this->load->database();
             $this->load->library('form_validation');
             $this->load->helper('url');
             $this->load->library('auth');
	}

        function page($page=0)
        {
             $this->load->model('BlogModel');
             $data['text_desc'] = $this->BlogModel->description();
             $data['title'] = "Blogg"; 
             if($page==0) 
             {
                 $data['text'] = $this->BlogModel->list_latest_items(15);
                 $data['text_sidebar'] = $this->BlogModel->microblog();
             } else {
                 $data['text'] = $this->BlogModel->list_latest_items(15);
                 $data['text_sidebar'] = $this->BlogModel->microblog();
             }  

             $this->load->view('mandell_view2', $data);
        }

	function index($page=0)
	{       
              $this->page($page);
	}

        function show_item($id=0)
        {
             if($id==0) Header("Location: ../");

             if(is_numeric($id))
             {
                 $this->load->model('BlogModel');

                 $data['text'] = $this->BlogModel->list_item($id);
                 $data['text'] .= $this->BlogModel->list_comments($id);
                 $data['text'] .= $this->BlogModel->write_comment($id);
                 $data['text_desc'] = strip_tags($this->BlogModel->preamble($id));
                 $data['title'] = $this->BlogModel->title($id);
                 $data['text_sidebar'] = $this->BlogModel->generate_links_to_blog(5);
                 $this->load->view('mandell_view2', $data);

             } else {
                 Header("Location: ../");
             }
        }

        function create_item()
        {
            if($this->auth->get_session_user_status()=="true")
            {
            	$this->db->query("INSERT INTO blog_items(title,preamble,body,date) VALUES(".$this->db->escape($this->input->post("title")).",".$this->db->escape($this->input->post("preamble")).",".$this->db->escape($this->input->post('body')).",NOW())");
            	$query=$this->db->query("SELECT * FROM blog_items ORDER BY id DESC LIMIT 1");
            	$query->row()->id;
            	redirect("../../blog/show_item/".$query->row()->id."", "refresh");
            } else {

                die("Hack attempt!");
                exit;

            }
        }

        function create_comment($blogid=0)
        {
            $this->load->model('BlogModel');

            if($blogid!=0)
            {
                $data['text']="";

                $this->form_validation->set_error_delimiters('<div class="space">', '</div>');

                $this->form_validation->set_rules('nick', 'nick', 'callback_nick_check');
                $this->form_validation->set_rules('cap', 'säkerhets kod', 'callback_captcha_check');
                $this->form_validation->set_rules('msg', 'meddelande', 'callback_msg_check');

                if ($this->form_validation->run() == FALSE)
                {
                    $data['text'] .= validation_errors();
                    $data['text'] .= $this->BlogModel->write_comment($blogid);
                    $this->load->view('mandell_view2', $data);

                } else {
                           
                    $query = $this->db->query("INSERT INTO blog_comments(blogid,publisher,text,date) VALUES(".$this->db->escape($blogid).",".$this->db->escape($this->input->post('nick')).",".strip_tags($this->db->escape($this->input->post('msg'))).",NOW())");
                    redirect("../../blog/show_item/".$blogid."", "refresh");
                }
            } else {
                //FUNCTION ARGUMENT ($blogid) CANNOT BE 0.
            }
        }

        function captcha_check($str)
        {
			if ($str == '')
			{
				$this->form_validation->set_message('captcha_check', 'Du glömmde  %s.');
				return FALSE;

			} else {

				if(md5($this->input->post('cap'))==$this->session->userdata('security_code'))
				{
					return TRUE;
				} else {
					$this->form_validation->set_message('captcha_check', 'Felaktig  %s.');
					return FALSE;
				}
			}
        }
 
        function msg_check($str)
        {
			if ($str == '')
			{
				$this->form_validation->set_message('msg_check', 'Du glömmde  %s.');
				return FALSE;
			} else {
				return TRUE;
			}
        }

        function nick_check($str)
        {
                if ($str == '')
		{

                    $this->form_validation->set_message('nick_check', 'Du glömmde  %s.');
                                           return FALSE;

                } else {
                        if($str == 'Joel Mandell')
                        {
			    $this->form_validation->set_message('nick_check', 'Detta namnet används av Administratören för denna sidan.');
                            return FALSE;
                        } else {
                        return TRUE;
                        }
                }
        }

        function visa_kommentarer($blogid=0)
        {
             if($blogid!=0)
             {
                 $this->load->model('Blog');
                 $data['text'] = $this->Blog->list_comments($blogid);
                 $this->load->view('mandell_view2', $data);
             } else {

             }
        }

        function admin_functions()
        {

        }
}