modern-events-calendar-lite/app/features/feed.php

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2024-10-15 12:04:03 +02:00
<?php
/** no direct access **/
defined('MECEXEC') or die();
/**
* Webnus MEC feed class.
* @author Webnus <info@webnus.net>
*/
class MEC_feature_feed extends MEC_base
{
/**
* @var MEC_factory
*/
public $factory;
/**
* @var MEC_main
*/
public $main;
/**
* @var MEC_feed
*/
public $feed;
public $PT;
public $events;
public $settings;
/**
* Constructor method
* @author Webnus <info@webnus.net>
*/
public function __construct()
{
// Import MEC Factory
$this->factory = $this->getFactory();
// Import MEC Main
$this->main = $this->getMain();
// Import MEC Feed
$this->feed = $this->getFeed();
// MEC Post Type Name
$this->PT = $this->main->get_main_post_type();
// General Settings
$this->settings = $this->main->get_settings();
}
/**
* Initialize feed feature
* @author Webnus <info@webnus.net>
*/
public function init()
{
remove_all_actions('do_feed_rss2');
$this->factory->action('do_feed_rss2', array($this, 'rss2'));
// Include Featured Image
if(!isset($this->settings['include_image_in_feed']) or (isset($this->settings['include_image_in_feed']) and $this->settings['include_image_in_feed']))
{
add_filter('get_the_excerpt', array($this, 'include_featured_image'), 10, 2);
}
if(!is_admin()) $this->factory->action('init', array($this, 'ical'), 999);
}
/**
* Do the feed
* @author Webnus <info@webnus.net>
* @param string $for_comments
*/
public function rss2($for_comments)
{
$rss2 = MEC::import('app.features.feed.rss2', true, true);
if(get_query_var('post_type') == $this->PT)
{
// Fetch Events
$this->events = $this->fetch();
// Include Feed template
include_once $rss2;
}
elseif(get_query_var('taxonomy') == 'mec_category')
{
$q = get_queried_object();
$term_id = $q->term_id;
// Fetch Events
$this->events = $this->fetch($term_id);
// Include Feed template
include_once $rss2;
}
else do_feed_rss2($for_comments); // Call default function
}
/**
* Returns the events
* @author Webnus <info@webnus.net>
* @param $category
* @return array
*/
public function fetch($category = NULL)
{
$args = [
'sk-options' => [
'list' => [
'limit' => get_option('posts_per_rss', 12),
]
],
'category' => $category
];
$EO = new MEC_skin_list(); // Events Object
$EO->initialize($args);
$EO->search();
return $EO->fetch();
}
/**
* @param string $excerpt
* @param WP_Post $post
* @return string
*/
public function include_featured_image($excerpt, $post = NULL)
{
// Only RSS
if(!is_feed()) return $excerpt;
// Get Current Post
if(!$post) $post = get_post();
if(!$post) return $excerpt;
// It's not event
if($post->post_type != $this->main->get_main_post_type()) return $excerpt;
$image = get_the_post_thumbnail($post);
if(trim($image)) $excerpt = $image.' '.$excerpt;
return $excerpt;
}
/**
* @throws Exception
*/
public function ical()
{
$ical_feed = (isset($_GET['mec-ical-feed']) and sanitize_text_field($_GET['mec-ical-feed']));
if(!$ical_feed) return false;
// Feed is not enabled
if(!isset($this->settings['ical_feed']) or (isset($this->settings['ical_feed']) and !$this->settings['ical_feed'])) return false;
$only_upcoming_events = (isset($this->settings['ical_feed_upcoming']) and $this->settings['ical_feed_upcoming']);
if($only_upcoming_events)
{
$event_ids = $this->main->get_upcoming_event_ids(current_time('timestamp'), 'publish');
}
else
{
$events = $this->main->get_events('-1');
$event_ids = [];
foreach($events as $event) $event_ids[] = $event->ID;
}
// Filtered Events
$filtered_ids = null;
// Filter Criteria
$locations_str = isset($_REQUEST['mec_locations']) ? trim($_REQUEST['mec_locations'], ', ') : '';
$categories_str = isset($_REQUEST['mec_categories']) ? trim($_REQUEST['mec_categories'], ', ') : '';
$organizers_str = isset($_REQUEST['mec_organizers']) ? trim($_REQUEST['mec_organizers'], ', ') : '';
// Filter Events
if(trim($locations_str, ', ') || trim($categories_str, ', ') || trim($organizers_str, ', '))
{
$locations = [];
if(trim($locations_str, ', ')) $locations = array_map('trim', explode(',', $locations_str));
$categories = [];
if(trim($categories_str, ', ')) $categories = array_map('trim', explode(',', $categories_str));
$organizers = [];
if(trim($organizers_str, ', ')) $organizers = array_map('trim', explode(',', $organizers_str));
$filtered = $this->main->get_filtered_events($locations, $categories, $organizers);
$filtered_ids = [];
foreach($filtered as $filtered_post) $filtered_ids[] = $filtered_post->ID;
}
if(is_array($filtered_ids))
{
// No Events Found
if(!count($filtered_ids)) $event_ids = [];
else
{
$new_event_ids = [];
foreach($filtered_ids as $filtered_id)
{
if(in_array($filtered_id, $event_ids)) $new_event_ids[] = $filtered_id;
}
$event_ids = $new_event_ids;
}
}
$output = '';
foreach($event_ids as $event_id) $output .= $this->main->ical_single($event_id, '', '', !$only_upcoming_events);
// Include in iCal
$ical_calendar = $this->main->ical_calendar($output);
// Content Type
header('Content-Type: text/calendar; charset=utf-8');
header('Content-Disposition: inline; filename="mec-events-'.date('YmdTHi').'.ics"');
// Print the Calendar
echo MEC_kses::full($ical_calendar);
exit;
}
}