<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Blog_m extends MY_Model {
	
	protected $_table_name = 'blog';
	protected $_primary_key = 'id_blog'; 
	protected $_order_by = 'id_blog';

	public $rules = array(  
        
        array(
             'field'   => 'blog_name', 
             'label'   => 'blog Name',
             'rules'   => 'trim|required|callback__cek_existing_blog_title'
        ),
		array(
             'field'   => 'status', 
             'label'   => 'status',
             'rules'   => 'trim|required'
        ),
        array(
             'field'   => 'description',
             'label'   => 'description',
             'rules'   => 'trim'
        ),     
		 array(
             'field'   => 'author',
             'label'   => 'author',
             'rules'   => 'trim'
        ),  
		 array(
             'field'   => 'publish_date',
             'label'   => 'publish date',
             'rules'   => 'trim|required'
        ),    
       
    );

	function __construct() {
		parent::__construct();	
	}	
	
	//pagination included
	function get_all_blog($limit, $start) {
		$this->db->select('*');
		$this->db->from('blog');
		$this->db->order_by('publish_date', 'DESC');
		$this->db->limit($limit, $start);
		$query = $this->db->get();		
		return $query->result();
	}

	//function to display new blog, where all fields are empty
	public function get_new() {
		$blog = new stdClass();
		$blog->blog = '';	 
		$blog->status = '';	
		$blog->description = '';	
		$blog->priority = '';	
		$blog->author = '';	
		$blog->publish_date = '';	
		
		return $blog;
	}

	//get all blog 
	function get_blog() {
		$this->db->select('*');
		$this->db->from('blog');
		$this->db->order_by('id_blog asc');
		$query = $this->db->get();		
		return $query->result();
	}
	
	//function add new blog
	function add_blog($data) {
		$this->db->insert('blog', $data);	
		return $this->db->insert_id();	 
	}
	
	//function edit blog
	function edit_blog($id, $data) {
		$this->db->where('id_blog', $id);
		$this->db->update('blog', $data);	
	}
	
	//function count all record for blog
	public function record_count() {
        return $this->db->get('blog')->num_rows();
    }

    //function count if existing record exist
	public function count_exist($id) {
        $this->db->select('*');
        $this->db->from('blog');
        $this->db->where('id_blog', $id);
        $query = $this->db->get();		
		return $query->num_rows();
    }

    //FOR FRONT END REGISTRATION PAGE
    
    //get all blog to display at front registration page, with status display 1 only
	function get_blog_display_on() {
		$this->db->select('*');
		$this->db->from('blog');
		$this->db->where('status', '1');
		$this->db->where('id_blog !=', '0');
		$this->db->order_by('id_blog asc');
		$query = $this->db->get();		
		return $query->result();
	}

	//cek if blog title already exist
	public function cek_existing_blog_title($str, $blog_id) {

		$this->db->select('id_blog');
		$this->db->from('blog');
		$this->db->where('blog', $str);

		if ($blog_id != NULL) {
			$this->db->where('id_blog !=', $blog_id);	
		} 

		$query = $this->db->get();
		return $query->num_rows();
	}	
}