eshop_shortcodes.php

<?php
/**
 * eshop shortcode functions.
 * @todo TODO: Class, list class_methods and add shortcode by prefix, ...
 */
// Constants: TODO Class propierties.
defined('DSEP')
    || define('DSEP', DIRECTORY_SEPARATOR); /* Alias DSEP */ define('DS', DSEP);
defined('ESHOP_DIR')
    || define('ESHOP_DIR', realpath(dirname(__FILE__)));
// TODO Check ESHOP_DIR
defined('ESHOP_TPL_DIR')
    || define('ESHOP_TPL_DIR', realpath(ESHOP_DIR . DS . 'templates'));
defined('ESHOP_TPL_DEFAULT')
    || define('ESHOP_TPL_DEFAULT', ESHOP_TPL_DIR . DS . 'eshop_default.phtml');

/**
 * ShortCodes:
 * Auto Templates by name of shortcode.
 */
$shortCodes = array(
    'eshop_list_featured',
    'eshop_sale',
    'eshop_best_sellers',
    'eshop_list_new',
    'eshop_list_subpages',
    'eshop_list_cat_tags',
    'eshop_random_products',
    'eshop_show_cancel',
    'eshop_show_cart',
    'eshop_show_checkout',
    'eshop_show_discounts',
    'eshop_show_downloads',
    'eshop_show_payments',
    'eshop_show_product',
    'eshop_show_shipping',
    'eshop_show_success',
    'eshop_empty_cart',
    'eshop_list_alpha',
    'eshop_cart_items',
    'eshop_addtocart',
    'eshop_welcome',
    'eshop_details'
);
foreach ( $shortCodes as $shortCode )
    add_shortcode($shortCode, $shortCode);

/**
 * Function to show items in cart.
 *
 * @param (string) shortcode_atts $atts
 */
function eshop_cart_items(array $atts) {
    // FIXME Class propierties.
    global $blog_id, $eshopoptions;

    // # Base and defaults params:
    $linkFormat     = '<a href="%1$s" title="%3$s">%2$s</a>';
    $tplDefaultMsg  = '<p class="error"><strong class="italic">eshop</strong> Template system fails.</p>';

    // FIXME: Before and after, or not, with template system¿?
    $defaults       = array(
        'before'    => '',
        'after'     => '',
        'hide'      => 'no',
        'showwhat'  => 'both',
        'format'    => 'ul'
    );
    $eshopOptDef    = array('cart' => 0, 'checkout' => 0);
    $eshopTplName   = __FUNCTION__; // TODO Default for all shortcodes¿?

    // # Checks:
    $atts           = !empty($atts)         && is_array($atts)          ? $atts         : array();
    $eshopOptions   = !empty($eshopoptions) && is_array($eshopoptions)  ? $eshopoptions : $eshopOptDef;
    $blog_id        = is_numeric($blog_id)  && strlen($blog_id) < 4     ? $blog_id      : 1;

    // # User / ShortCode params:
    extract(shortcode_atts($defaults, $atts));

    // TPL Format, it's simple but can be extend to other formats:
    switch ( $format ) {
        default :
        case 'ul' :
            break;
        case 'ol' :
            $eshopTplName .= '_ol';
            break;
        case 'dl' :
            $eshopTplName .= '_dl';
            break;
    }
    $eshopTemplate  = ESHOP_TPL_DIR . DS . $eshopTplName . '.phtml';
    $eshopTemplate  = @is_file($eshopTemplate) ? $eshopTemplate : ESHOP_TPL_DEFAULT;

    // eshop defaults:
    $eshopCartSes   = $_SESSION['eshopcart' . (int) $blog_id];
    $eshopSize      = 0;
    $eshopQty       = 0;

    // Links and Trans:
    $eshopCart      = get_permalink($eshopOptions['cart']);
    $eshopCheck     = get_permalink($eshopOptions['checkout']);
    $eshopCartLink  = sprintf($linkFormat, $eshopCart,  __('View Cart', 'eshop'),   __('View Cart', 'eshop'));
    $eshopCheckLink = sprintf($linkFormat, $eshopCheck, __('Checkout', 'eshop'),    __('Checkout', 'eshop'));

    // TPL Values:
    $tplItems       = array();
    $tplProducts    = array();
    $tplOptions     = array($eshopCartLink, $eshopCheckLink);

    // # XXX Run...
    // # Count items and qty:
    if ( isset($eshopCartSes) && !empty($eshopCartSes) ) {
        $eshopSize = sizeof($eshopCartSes);
        foreach ( $eshopCartSes as $key => $value )
            $eshopQty += $value['qty'];
    }

    // # Build output html:
    if ( $hide == 'no' ) {
        // Qty & both:
        if ( $showwhat == 'qty' || $showwhat == 'both' ) {
            $tplItems[] = sprintf(_n('<span>%d</span> product in cart.', '<span>%d</span> products in cart.',$eshopSize, 'eshop'), $eshopSize);
        }

        // Items & both:
        if ( $showwhat == 'items' || $showwhat == 'both' ) {
            $tplProducts[] = sprintf(_n('<span>%d</span> item in cart.', '<span>%d</span> items in cart.', $eshopQty, 'eshop'), $eshopQty);
        }

        // # TPL output:
        include_once("{$eshopTemplate}");
    }
}