/**
* Main function to generate the related posts output
*
* @since 1.0.1
*
* @param array $args Parameters in a query string format
* @return string HTML formatted list of related posts
*/
function get_crp($args = array())
{
global $wpdb, $post, $crp_settings;
$defaults = array('is_widget' => FALSE, 'echo' => TRUE, 'heading' => TRUE);
$defaults = array_merge($defaults, $crp_settings);
// Parse incomming $args into an array and merge it with $defaults
$args = wp_parse_args($args, $defaults);
//Support caching to speed up retrieval
if (!empty($args['cache'])) {
$meta_key = 'crp_related_posts';
if ($is_widget) {
$meta_key .= '_widget';
}
if (is_feed()) {
$meta_key .= '_feed';
}
$output = get_post_meta($post->ID, $meta_key, true);
if ($output) {
return $output;
}
}
//TODO implementar categorías a excluir
//$exclude_categories = explode( ',', $args['exclude_categories'] );
$results = get_elastic_crp_posts(array_merge($args, array('postid' => $post->ID, 'strict_limit' => TRUE)));
$output = is_singular() ? '<div id="crp_related" class="crp_related' . ($args['is_widget'] ? '_widget' : '') . '">' : '<div class="crp_related' . ($args['is_widget'] ? '_widget' : '') . '">';
if (is_array($results)) {
$loop_counter = 0;
$output .= crp_heading_title($args);
$output .= crp_before_list($args);
foreach ($results as $el_result) {
/**
* Filter the post ID for each result. Allows a custom function to hook in and change the ID if needed.
*
* @since 1.9
*
* @param int $result->ID ID of the post
*/
$resultid = apply_filters('crp_post_id', $el_result['_source']['post_id']);
$result = get_post($resultid);
// Let's get the Post using the ID
$output .= crp_before_list_item($args, $result);
$output .= crp_list_link($args, $result);
if ($args['show_author']) {
$output .= crp_author($args, $result);
}
if ($args['show_date']) {
$output .= '<span class="crp_date"> ' . mysql2date(get_option('date_format', 'd/m/y'), $result->post_date) . '</span> ';
}
if ($args['show_excerpt']) {
$output .= '<span class="crp_excerpt"> ' . crp_excerpt($result->ID, $excerpt_length) . '</span>';
}
$loop_counter++;
$output .= crp_after_list_item($args, $result);
if ($loop_counter == $args['limit']) {
break;
}
// End loop when related posts limit is reached
}
//end of foreach loop
if ($args['show_credit']) {
$output .= crp_before_list_item($args, $result);
$output .= sprintf(__('Powered by <a href="%s" rel="nofollow">Contextual Related Posts</a>', CRP_LOCAL_NAME), esc_url('https://webberzone.com/plugins/contextual-related-posts/'));
$output .= crp_after_list_item($args, $result);
}
$output .= crp_after_list($args);
$clearfix = '<div class="crp_clear"></div>';
/**
* Filter the clearfix div tag. This is included after the closing tag to clear any miscellaneous floating elements;
*
* @since 2.0.0
*
* @param string $clearfix Contains: <div style="clear:both"></div>
*/
$output .= apply_filters('crp_clearfix', $clearfix);
} else {
$output .= $args['blank_output'] ? ' ' : '<p>' . $args['blank_output_text'] . '</p>';
}
// Check if the opening list tag is missing in the output, it means all of our results were eliminated cause of the category filter
if (false === strpos($output, $args['before_list_item'])) {
$output = '<div id="crp_related">';
$output .= $args['blank_output'] ? ' ' : '<p>' . $args['blank_output_text'] . '</p>';
}
$output .= '</div>';
// closing div of 'crp_related'
//Support caching to speed up retrieval
if (!empty($args['cache'])) {
update_post_meta($post->ID, $meta_key, $output, '');
}
/**
* Filter the output
*
* @since 1.9.1
*
* @param string $output Formatted list of related posts
* @param array $args Complete set of arguments
*/
return apply_filters('get_crp', $output, $args);
}
/**
* Main function to generate the related posts output
*
* @since 1.0.1
*
* @param array $args Parameters in a query string format
* @return string HTML formatted list of related posts
*/
function get_crp($args = array())
{
global $wpdb, $post, $crp_settings;
// if set, save $exclude_categories
if (isset($args['exclude_categories']) && '' != $args['exclude_categories']) {
$exclude_categories = explode(',', $args['exclude_categories']);
$args['strict_limit'] = false;
}
$defaults = array('is_widget' => false, 'is_shortcode' => false, 'is_manual' => false, 'echo' => true, 'heading' => true);
$defaults = array_merge($defaults, $crp_settings);
// Parse incomming $args into an array and merge it with $defaults
$args = wp_parse_args($args, $defaults);
// WPML support.
if (function_exists('wpml_object_id_filter') || function_exists('icl_object_id')) {
$args['strict_limit'] = false;
}
// Support caching to speed up retrieval
if (!empty($args['cache'])) {
$meta_key = 'crp_related_posts';
if ($args['is_widget']) {
$meta_key .= '_widget';
}
if ($args['is_manual']) {
$meta_key .= '_manual';
}
if (is_feed()) {
$meta_key .= '_feed';
}
$output = get_post_meta($post->ID, $meta_key, true);
if ($output) {
return $output;
}
}
// Retrieve the list of posts
$results = get_crp_posts_id(array_merge($args, array('postid' => $post->ID, 'strict_limit' => isset($args['strict_limit']) ? $args['strict_limit'] : true)));
/**
* Filter to create a custom HTML output
*
* @since 2.2.3
*
* @param mixed Default return value
* @param array $results Array of IDs of related posts
* @param array $args Array of settings
* @return string Custom HTML formatted list of related posts
*/
$custom_template = apply_filters('crp_custom_template', NULL, $results, $args);
if (!empty($custom_template)) {
if (!empty($args['cache'])) {
update_post_meta($post->ID, $meta_key, $custom_template, '');
}
return $custom_template;
}
$widget_class = $args['is_widget'] ? 'crp_related_widget' : 'crp_related ';
$shortcode_class = $args['is_shortcode'] ? 'crp_related_shortcode ' : '';
$post_classes = $widget_class . $shortcode_class;
/**
* Filter the classes added to the div wrapper of the Top 10.
*
* @since 2.2.3
*
* @param string $post_classes Post classes string.
*/
$post_classes = apply_filters('crp_post_class', $post_classes);
$output = '<div class="' . $post_classes . '">';
if ($results) {
$loop_counter = 0;
$output .= crp_heading_title($args);
$output .= crp_before_list($args);
// We need this for WPML support
$processed_results = array();
foreach ($results as $result) {
/* Support WPML */
$resultid = crp_object_id_cur_lang($result->ID);
// If this is NULL or already processed ID or matches current post then skip processing this loop.
if (!$resultid || in_array($resultid, $processed_results) || intval($resultid) === intval($post->ID)) {
continue;
}
// Push the current ID into the array to ensure we're not repeating it
array_push($processed_results, $resultid);
/**
* Filter the post ID for each result. Allows a custom function to hook in and change the ID if needed.
*
* @since 1.9
*
* @param int $resultid ID of the post
*/
$resultid = apply_filters('crp_post_id', $resultid);
$result = get_post($resultid);
// Let's get the Post using the ID
// Process the category exclusion if passed in the shortcode
if (isset($exclude_categories)) {
$categorys = get_the_category($result->ID);
// Fetch categories of the plugin
$p_in_c = false;
// Variable to check if post exists in a particular category
foreach ($categorys as $cat) {
// Loop to check if post exists in excluded category
$p_in_c = in_array($cat->cat_ID, $exclude_categories) ? true : false;
if ($p_in_c) {
break;
// Skip loop execution and go to the next step
}
}
if ($p_in_c) {
continue;
// Skip loop execution and go to the next step
}
}
$output .= crp_before_list_item($args, $result);
$output .= crp_list_link($args, $result);
if ($args['show_author']) {
$output .= crp_author($args, $result);
}
if ($args['show_date']) {
$output .= '<span class="crp_date"> ' . mysql2date(get_option('date_format', 'd/m/y'), $result->post_date) . '</span> ';
}
if ($args['show_excerpt']) {
$output .= '<span class="crp_excerpt"> ' . crp_excerpt($result->ID, $args['excerpt_length']) . '</span>';
}
$loop_counter++;
$output .= crp_after_list_item($args, $result);
if ($loop_counter == $args['limit']) {
break;
// End loop when related posts limit is reached
}
}
//end of foreach loop
if ($args['show_credit']) {
$output .= crp_before_list_item($args, $result);
$output .= sprintf(__('Powered by <a href="%s" rel="nofollow">Contextual Related Posts</a>', 'contextual-related-posts'), esc_url('https://webberzone.com/plugins/contextual-related-posts/'));
$output .= crp_after_list_item($args, $result);
}
$output .= crp_after_list($args);
$clearfix = '<div class="crp_clear"></div>';
/**
* Filter the clearfix div tag. This is included after the closing tag to clear any miscellaneous floating elements;
*
* @since 2.0.0
*
* @param string $clearfix Contains: <div style="clear:both"></div>
*/
$output .= apply_filters('crp_clearfix', $clearfix);
} else {
$output .= $args['blank_output'] ? ' ' : '<p>' . $args['blank_output_text'] . '</p>';
}
// Check if the opening list tag is missing in the output, it means all of our results were eliminated cause of the category filter
if (false === strpos($output, $args['before_list_item'])) {
$output = '<div id="crp_related">';
$output .= $args['blank_output'] ? ' ' : '<p>' . $args['blank_output_text'] . '</p>';
}
$output .= '</div>';
// closing div of 'crp_related'
// Support caching to speed up retrieval
if (!empty($args['cache'])) {
update_post_meta($post->ID, $meta_key, $output, '');
}
/**
* Filter the output
*
* @since 1.9.1
*
* @param string $output Formatted list of related posts
* @param array $args Complete set of arguments
*/
return apply_filters('get_crp', $output, $args);
}