/**
* Displays the widget on the front end
*
* @since 1.0.0
*
* @param array $args
* @param array $instance
*/
function widget($atts, $instance)
{
global $post;
if (!empty($post->ID)) {
$current_post_id = $post->ID;
} else {
$current_post_id = 0;
}
$issuem_settings = get_issuem_settings();
$out = '';
extract($atts);
$title = apply_filters('widget_title', empty($instance['title']) ? '' : $instance['title'], $instance, $this->id_base);
$args = array('posts_per_page' => empty($instance['posts_per_page']) ? -1 : $instance['posts_per_page'], 'post_type' => 'article', 'orderby' => empty($instance['orderby']) ? 'menu_order' : $instance['orderby'], 'order' => empty($instance['order']) ? 'DESC' : $instance['order']);
$issuem_issue = array('taxonomy' => 'issuem_issue', 'field' => 'slug', 'terms' => get_active_issuem_issue());
if (!empty($instance['article_category']) && 'all' != $instance['article_category']) {
if (!empty($issuem_settings['use_wp_taxonomies'])) {
$cat_type = 'category';
} else {
$cat_type = 'issuem_issue_categories';
}
$category = array('taxonomy' => $cat_type, 'field' => 'slug', 'terms' => (array) $instance['article_category']);
$args['tax_query'] = array('relation' => 'AND', $issuem_issue, $category);
} else {
$args['tax_query'] = array($issuem_issue);
}
$articles = new WP_Query($args);
if ($articles->have_posts()) {
while ($articles->have_posts()) {
$articles->the_post();
$out .= '<div class="article_list">';
$out .= "\n\n";
if ($current_post_id == $post->ID) {
$out .= '<div id="current_article">';
}
$out .= issuem_replacements_args($instance['article_format'], $post);
if ($current_post_id == $post->ID) {
$out .= '</div>';
}
$out .= '</div>';
}
}
if (!empty($out)) {
echo $before_widget;
if ($title) {
echo $before_title . $title . $after_title;
}
echo '<div class="issuem_article_list_widget">';
echo $out;
echo '</div>';
echo $after_widget;
}
wp_reset_query();
}
/**
* Outputs Article HTML from shortcode call
*
* @since 1.0.0
*
* @param array $atts Arguments passed through shortcode
* @return string HTML output of IssueM Articles
*/
function do_issuem_articles($atts, $article_format = NULL)
{
global $post;
$issuem_settings = get_issuem_settings();
$results = '';
$articles = array();
$post__in = array();
$defaults = array('posts_per_page' => -1, 'offset' => 0, 'orderby' => 'menu_order', 'order' => 'DESC', 'article_format' => empty($article_format) ? $issuem_settings['article_format'] : $article_format, 'show_featured' => 1, 'issue' => get_active_issuem_issue(), 'article_category' => 'all', 'use_category_order' => 'false');
// Merge defaults with passed atts
// Extract (make each array element its own PHP var
extract(shortcode_atts($defaults, $atts));
$args = array('posts_per_page' => $posts_per_page, 'offset' => $offset, 'post_type' => 'article', 'orderby' => $orderby, 'order' => $order);
if (!$show_featured) {
$args['meta_query'] = array('relation' => 'AND', array('key' => '_featured_rotator', 'compare' => 'NOT EXISTS'), array('key' => '_featured_thumb', 'compare' => 'NOT EXISTS'));
}
$issuem_issue = array('taxonomy' => 'issuem_issue', 'field' => 'slug', 'terms' => $issue);
$args['tax_query'] = array($issuem_issue);
if (!empty($issuem_settings['use_wp_taxonomies'])) {
$cat_type = 'category';
} else {
$cat_type = 'issuem_issue_categories';
}
if ('true' === $use_category_order && 'issuem_issue_categories' === $cat_type) {
$count = 0;
if ('all' === $article_category) {
$all_terms = get_terms('issuem_issue_categories');
foreach ($all_terms as $term) {
$issue_cat_meta = get_option('issuem_issue_categories_' . $term->term_id . '_meta');
if (!empty($issue_cat_meta['category_order'])) {
$terms[$issue_cat_meta['category_order']] = $term->slug;
} else {
$terms['-' . ++$count] = $term->slug;
}
}
} else {
foreach (split(',', $article_category) as $term_slug) {
$term = get_term_by('slug', $term_slug, 'issuem_issue_categories');
$issue_cat_meta = get_option('issuem_issue_categories_' . $term->term_id . '_meta');
if (!empty($issue_cat_meta['category_order'])) {
$terms[$issue_cat_meta['category_order']] = $term->slug;
} else {
$terms['-' . ++$count] = $term->slug;
}
}
}
krsort($terms);
$articles = array();
foreach ($terms as $term) {
$category = array('taxonomy' => $cat_type, 'field' => 'slug', 'terms' => $term);
$args['tax_query'] = array('relation' => 'AND', $issuem_issue, $category);
$articles = array_merge($articles, get_posts($args));
}
//And we want all articles not in a category
$category = array('taxonomy' => $cat_type, 'field' => 'slug', 'terms' => $terms, 'operator' => 'NOT IN');
$args['tax_query'] = array('relation' => 'AND', $issuem_issue, $category);
$articles = array_merge($articles, get_posts($args));
//Now we need to get rid of duplicates (assuming an article is in more than one category
if (!empty($articles)) {
foreach ($articles as $article) {
$post__in[] = $article->ID;
}
$args['post__in'] = array_unique($post__in);
$args['orderby'] = 'post__in';
unset($args['tax_query']);
$articles = get_posts($args);
}
} else {
if (!empty($article_category) && 'all' !== $article_category) {
$category = array('taxonomy' => $cat_type, 'field' => 'slug', 'terms' => split(',', $article_category));
$args['tax_query'] = array('relation' => 'AND', $issuem_issue, $category);
}
$articles = get_posts($args);
}
$results .= '<div class="issuem_articles_shortcode">';
if ($articles) {
$old_post = $post;
foreach ($articles as $article) {
$post = $article;
setup_postdata($article);
$results .= '<div class="issuem_article article-' . $article->ID . '">';
$results .= "\n" . issuem_replacements_args($article_format, $post) . "\n";
$results .= '</div>';
}
if (get_option('issuem_api_error_received')) {
$results .= '<div class="api_error"><p><a href="http://issuem.com/" target="_blank">' . __('Issue Management by ', 'issuem') . 'IssueM</a></div>';
}
$post = $old_post;
} else {
$results .= apply_filters('issuem_no_articles_found_shortcode_message', '<h1 class="issuem-entry-title no-articles-found">' . __('No articles Found', 'issuem') . '</h1>');
}
$results .= '</div>';
wp_reset_postdata();
return $results;
}
