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Dir : ~/var/www/mydry/application/models/

View File Name : Model_news.php

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

class Model_news extends CI_Model 
{
    public function all_news()
    {
        $query = $this->db->query("SELECT * 
                        FROM tbl_news t1
                        JOIN tbl_category t2
                        ON t1.category_id = t2.category_id
                        ORDER BY t1.news_id DESC");
        return $query->result_array();
    }

    public function get_total_news() {
        $sql = 'SELECT * FROM tbl_news';
        $query = $this->db->query($sql);
        return $query->num_rows();
    }

    public function fetch_news($limit, $start) {
        $this->db->select('*');
        $this->db->from('tbl_news');
        $this->db->join('tbl_category', 'tbl_news.category_id = tbl_category.category_id');
        $this->db->limit($limit, $start);
        $this->db->order_by('news_id', 'desc');
        $query = $this->db->get();

        if($query->num_rows() > 0) {
            foreach ($query->result() as $row) {
                $data[] = $row;
            }
            return $data;
        }
        return false;
    }

    public function all_categories()
    {
        $query = $this->db->query("SELECT * FROM tbl_category ORDER BY category_name ASC");
        return $query->result_array();
    }

    public function news_check($id)
    {
        $sql = 'SELECT * FROM tbl_news WHERE news_id=?';
        $query = $this->db->query($sql,array($id));
        return $query->num_rows();
    }

    public function news_detail($id)
    {
        $sql = 'SELECT * FROM tbl_news WHERE news_id=?';
        $query = $this->db->query($sql,array($id));
        return $query->first_row('array');
    }

    public function news_detail_with_category($id)
    {
        $sql = 'SELECT * 
                FROM tbl_news t1
                JOIN tbl_category t2
                ON t1.category_id = t2.category_id
                WHERE t1.news_id=?
                ORDER BY t1.news_id DESC';
        $query = $this->db->query($sql,array($id));
        return $query->first_row('array');
    }

    public function get_category_name_by_id($cat_id) {
        $sql = 'SELECT * FROM tbl_category WHERE category_id=?';
        $query = $this->db->query($sql,array($cat_id));
        return $query->first_row('array');
    }
}