functions3.php

<?php

/**
 * setlocale — Set locale information (numeric formatting information)
 *
 * Change that depending on your country
 *
 */
setlocale(LC_MONETARY, 'de_DE');

/**
 * get the current page slug and parent
 *
 */
$slug = (string)get_page_slug(false);
$parent = get_parent(false);

/**
 * Bootstrap image resizer lib
 *
 */
require_once(GSPLUGINPATH.'imanager/phpthumb/ThumbLib.inc.php');

/**
 * Reads all available dummy categories and stores them into the $categories variable
 *
 */
if($slug == 'catalog') {
    $categories = getCategories();
}

/**
 * Reads products of a category or product details and stores them into a variable
 *
 */
if($parent == 'catalog') {
    if(empty($_GET['product'])) {
        $categoryItems = getItems($slug);
    } else {
        $currentProduct = getItem($slug);
    }
}

/**
 * A simple function that returns an array of dummy categories
 * @return array
 */
function getCategories() {
    return imanager()->getItems('slug=dummy-category', 'active=1');
}

/**
 * A simple function that returns an array of products
 *
 * @param string $slug - This is the slug of the products you want to select
 * @return array
 */
function getItems($slug) {
    $imanager = imanager();
    return $imanager->getItems('slug='.$imanager->sanitizer->pageName($slug), 'active=1');
}

/**
 * A function that returns a product
 *
 * @param string $slug - This is the slug of the product you want to select
 * @return object
 */
function getItem($slug) {
    $imanager = imanager();
    return $imanager->getItem('slug='.$imanager->sanitizer->pageName($slug), (int) $_GET['product']);
}

/**
 * Resizes images / with the first call creates thumbnails and stores them
 *
 * @param object $image - This is the image field whose images you want to resize
 * @return string
 */
function getResized(Field $image, $size = 200) {
    global $SITEURL;
    foreach($image->file_name as $key => $name) {
        // Check if thumbnail exists
        if(!file_exists($image->path[$key].'thumbnail/'.$size.'_'.$name))
        {
            $thumb = PhpThumbFactory::create($image->fullpath[$key]);
            $path_parts = pathinfo($image->fullpath[$key]);
            $thumb->resize($size);
            $thumb->save($image->url[$key].'thumbnail/'.$size.'_'.$name, $path_parts['extension']);
        }
        return '<img src="'.$SITEURL.$image->url[$key].'thumbnail/'.$size.'_'.$name.'"
                        alt="'.(!empty($image->title[$key]) ? ($image->title[$key]) : '').'" width="'.$size.'">';
    }
}