/**
* Downloads List Shortcode
*
* Displays a list of downloads based on user defined attributes.
*
* @since 1.3
*/
function dedo_shortcode_ddownload_list($atts)
{
global $dedo_options;
// Attributes
extract(shortcode_atts(array('limit' => 0, 'orderby' => 'title', 'order' => 'ASC', 'categories' => '', 'tags' => '', 'exclude_categories' => '', 'exclude_tags' => '', 'relation' => 'AND', 'style' => $dedo_options['default_list'], 'cache' => true), $atts, 'ddownload_list'));
// Default query args
$query_args = array('post_type' => 'dedo_download', 'post_status' => 'publish');
// Validate and set limit
$limit = abs($limit);
$query_args['posts_per_page'] = 0 === $limit ? -1 : $limit;
// Validate and set orderby
if (!in_array(strtolower($orderby), array('title', 'date', 'count', 'filesize', 'random'))) {
return __('Invalid orderby attribute.', 'delightful-downloads');
} else {
switch ($orderby) {
case 'title':
$query_args['orderby'] = 'title';
break;
case 'date':
$query_args['orderby'] = 'date';
break;
case 'count':
$query_args['meta_key'] = '_dedo_file_count';
$query_args['orderby'] = 'meta_value_num';
break;
case 'filesize':
$query_args['meta_key'] = '_dedo_file_size';
$query_args['orderby'] = 'meta_value_num';
break;
case 'random':
$query_args['orderby'] = 'rand';
break;
}
}
// Validate and set order
if (!in_array(strtoupper($order), array('ASC', 'DESC'))) {
return __('Invalid order attribute.', 'delightful-downloads');
} else {
$query_args['order'] = strtoupper($order);
}
// Validate relation
if (!in_array(strtoupper($relation), array('AND', 'OR'))) {
return __('Invalid relation attribute.', 'delightful-downloads');
} else {
$relation = strtoupper($relation);
}
// Validate and set categories/tags
$tax_class = '';
if (!empty($categories) || !empty($tags) || !empty($exclude_categories) || !empty($exclude_tags)) {
$query_args['tax_query'] = array('relation' => $relation);
if (!empty($categories)) {
$categories_array = explode(',', $categories);
$categories_array = array_map('trim', $categories_array);
$query_args['tax_query'][] = array('taxonomy' => 'ddownload_category', 'field' => 'slug', 'terms' => $categories_array);
// Set taxonomy class
$tax_class .= ' category-' . implode(' category-', $categories_array);
}
if (!empty($tags)) {
$tags_array = explode(',', $tags);
$tags_array = array_map('trim', $tags_array);
$query_args['tax_query'][] = array('taxonomy' => 'ddownload_tag', 'field' => 'slug', 'terms' => $tags_array);
// Set taxonomy class
$tax_class .= ' tag-' . implode(' tag-', $tags_array);
}
if (!empty($exclude_categories)) {
$exclude_categories_array = explode(',', $exclude_categories);
$exclude_categories_array = array_map('trim', $exclude_categories_array);
$query_args['tax_query'][] = array('taxonomy' => 'ddownload_category', 'field' => 'slug', 'terms' => $exclude_categories_array, 'operator' => 'NOT IN');
}
if (!empty($exclude_tags)) {
$exclude_tags_array = explode(',', $exclude_tags);
$exclude_tags_array = array_map('trim', $exclude_tags_array);
$query_args['tax_query'][] = array('taxonomy' => 'ddownload_tag', 'field' => 'slug', 'terms' => $exclude_tags_array, 'operator' => 'NOT IN');
}
}
// Check style against registered styles
$registered_styles = dedo_get_shortcode_lists();
if (array_key_exists($style, $registered_styles)) {
$style_format = $registered_styles[$style]['format'];
} else {
return __('Invalid style attribute.', 'delightful-downloads');
}
// Supply correct boolean for cache
$cache = in_array($cache, array('true', 'yes')) ? true : false;
// First check for cached data
$key = md5($limit . $orderby . $order . $categories . $tags . $exclude_categories . $exclude_tags . $relation . $style);
$key = substr('dedo_shortcode_list_' . $key, 0, 45);
$dedo_cache = new DEDO_Cache($key);
if (true == $cache && false !== ($cached_data = $dedo_cache->get())) {
$output = $cached_data;
} else {
// Run query
$downloads_list = new WP_Query($query_args);
// Begin output
if ($downloads_list->have_posts()) {
ob_start();
echo '<ul class="ddownloads_list' . $tax_class . '">';
while ($downloads_list->have_posts()) {
$downloads_list->the_post();
// Add classes
$classes = 'id-' . get_the_ID();
// Download id
$classes .= ' ext-' . dedo_get_file_ext(get_post_meta(get_the_ID(), '_dedo_file_url', true));
// File extension
$new_style_format = str_replace('%class%', $classes, $style_format);
echo '<li>' . dedo_search_replace_wildcards($new_style_format, get_the_ID()) . '</li>';
// Reset classes for next itteration
unset($classes);
unset($new_style_format);
}
echo '</ul>';
$output = ob_get_clean();
wp_reset_postdata();
// Save to cache
if (true == $cache) {
$dedo_cache->set($output);
}
} else {
return __('No downloads found.', 'delightful-downloads');
}
}
return apply_filters('dedo_shortcode_ddownload_list', $output);
}
/**
* Render default list field
*
* @since 1.3
*/
function dedo_settings_default_list_field()
{
global $dedo_options;
$lists = dedo_get_shortcode_lists();
$default_list = $dedo_options['default_list'];
echo '<select name="delightful-downloads[default_list]">';
foreach ($lists as $key => $value) {
$selected = $default_list == $key ? ' selected="selected"' : '';
echo '<option value="' . $key . '" ' . $selected . '>' . $value['name'] . '</option>';
}
echo '</select>';
echo '<p class="description">' . sprintf(__('The default output style, when using the %s shortcode. This can be overridden on a per-list basis.', 'delightful-downloads'), '<code>[ddownload_list]</code>');
}
