<?php
function count_cart_content() {

    $ci = & get_instance();  
    $count = 0;
    foreach ($ci->cart->contents() as $item) {
    	$count = $count + $item['qty'];
    }
    return $count;
} 

function get_brand_name($product_detail_id) {

	$ci = & get_instance(); 

	$ci->db->select('product_id')->from('product_details')->where('id', $product_detail_id);
    $product_id = $ci->db->get()->row()->product_id;

    $ci->db->select('brand_id')->from('products')->where('id_products', $product_id);
    $brand_id = $ci->db->get()->row()->brand_id;

    $ci->db->select('brand')->from('brands')->where('id_brands', $brand_id);
    $brand_name = $ci->db->get()->row()->brand;

    return $brand_name;

}

function get_thumbnail($product_detail_id) {

	$ci = & get_instance(); 

	//get thumbnail image
    $ci->db->select('image')->from('product_images')->where('product_details_id', $product_detail_id)->limit(1)->order_by('priority', 'ASC');
    $image = $ci->db->get()->row();
    if(count($image) == 0 || empty($image->image)) {
        //use placeholder image
        $ci->db->select('image_not_available')->from('configuration')->where('id_configuration', 1);
        $thumbnail = 'uploads/' . $ci->db->get()->row()->image_not_available;        
    } else {
        $thumbnail = 'uploads/product/thumbnail/' . $image->image;
    }

    return $thumbnail;
}

function get_attribute_name($attribute_detail_ids) {

	$ci = & get_instance();

	$attribute_detail_names = '';
	
	foreach ($attribute_detail_ids as $index => $id) {
		
		//get attribute detail name
		if($ci->session->userdata('site_lang') == 'english') {
			$ci->db->select('attribute_detail_en as attribute_detail')->from('product_attributes_detail')->where('id', $id);
		} else {
			$ci->db->select('attribute_detail')->from('product_attributes_detail')->where('id', $id);
		}	
		$attribute_detail_name = $ci->db->get()->row()->attribute_detail;

		if($index == 0) {
			$attribute_detail_names = $attribute_detail_names . $attribute_detail_name;
		} else {
			$attribute_detail_names = $attribute_detail_names . '-' . $attribute_detail_name;
		}	
	}

	return $attribute_detail_names;
}