public function widget($args, $instance)
{
global $xi_widget_args, $xi_widget_instance, $upcoming_events;
$xi_widget_args = $ags;
$xi_widget_instance = $instance;
if (!is_array($instance['terms'])) {
$upcoming_events = XiQuery::get_upcoming_events($instance['num_events']);
} else {
$upcoming_events = XiQuery::get_upcoming_events($instance['num_events'], $instance['terms']);
}
XiUtilities::include_template('widget_upcoming-events.php');
}
/**
* Get a list of events, optionally filterable by category
*/
public static function events_list($atts)
{
$atts = shortcode_atts(array('calendar_id' => '', 'category_id' => '', 'events_per_page' => 10, 'show_category_filter' => 'true'), $atts, 'xi_events_list');
$terms = array();
$terms[XiEvents::$category_taxonomy_name] = array();
$terms[XiEvents::$calendar_taxonomy_name] = array();
if (!empty($atts['category_id'])) {
$terms[XiEvents::$category_taxonomy_name] = explode(',', $atts['category_id']);
$terms[XiEvents::$category_taxonomy_name] = array_map('trim', $terms[XiEvents::$category_taxonomy_name]);
}
if (!empty($atts['calendar_id'])) {
$terms[XiEvents::$calendar_taxonomy_name] = explode(',', $atts['calendar_id']);
$terms[XiEvents::$calendar_taxonomy_name] = array_map('trim', $terms[XiEvents::$calendar_taxonomy_name]);
}
global $xi_shortcode_attributes, $xi_events;
$xi_shortcode_attributes = $atts;
$xi_events = XiQuery::get_upcoming_events($atts['events_per_page'], $terms);
$template = XiUtilities::get_include_template('shortcode_event-list.php');
return $template;
}
<?php
global $xi_calendar_id, $xi_shortcode_attributes;
$categories = XiQuery::get_categories_for_calendar($xi_calendar_id);
?>
<script type="text/javascript">
jQuery(document).ready(function($) {
var category_filter_id = $('#xi-categories').val();
var xi_source = {
url: "<?php
echo admin_url('admin-ajax.php');
?>
",
type: 'POST',
data: {
action: 'events_json',
calendar_id: <?php
echo $xi_calendar_id;
?>
,
category_id: category_filter_id
},
error: function(jqXHR, textStatus, errorThrown) {
console.log('Xi Error when fetching events.');
console.log(textStatus);
console.log(errorThrown);
}
};
$("#xi-fullcalendar").fullCalendar({
header: {
public static function get_upcoming_events($limit = 3, $terms = false)
{
$args = array('post_type' => XiEvents::$post_type_name, 'meta_key' => 'xi_event_start_query_friendly', 'meta_type' => 'DATE', 'orderby' => 'meta_value title', 'order' => 'ASC', 'posts_per_page' => $limit, 'meta_query' => array('relation' => 'OR', array('key' => 'xi_event_start_query_friendly', 'value' => date('Y-m-d'), 'compare' => '>=', 'type' => 'DATE'), array('key' => 'xi_event_end_query_friendly', 'value' => date('Y-m-d'), 'compare' => '>=', 'type' => 'DATE'), array('key' => 'xi_recurrence_date', 'value' => date('Y-m-d'), 'compare' => '>=', 'type' => 'DATE')));
if ($terms !== false && is_array($terms)) {
$args['tax_query'] = array();
$args['tax_query']['relation'] = "AND";
foreach ($terms as $taxonomy => $value) {
if ($value['filter'] == "1") {
unset($value['filtered']);
$args['tax_query'][] = array('taxonomy' => $taxonomy, 'terms' => $value, 'operator' => "IN");
}
}
}
$query = new WP_Query($args);
$events = array();
$date1 = null;
$date2 = null;
$days_diff = null;
if ($query->have_posts()) {
while ($query->have_posts()) {
$query->the_post();
$event = new stdClass();
$event->ID = get_the_ID();
$event->permalink = get_the_permalink();
$event->title = get_the_title();
$start_timestamp = strtotime(get_post_meta($event->ID, 'xi_event_start_raw', true));
$end_timestamp = strtotime(get_post_meta($event->ID, 'xi_event_end_raw', true));
$date_format = apply_filters('xi_events_date_format', 'm/d/Y');
$event->date = date_i18n($date_format, $start_timestamp);
$event->start_timestamp = $start_timestamp;
$event->end_timestamp = $end_timestamp;
$events[] = $event;
$date1 = new DateTime(get_post_meta($event->ID, 'xi_event_start_query_friendly', true));
$date2 = new DateTime(get_post_meta($event->ID, 'xi_event_end_query_friendly', true));
$days_diff = $date2->diff($date1)->format("%a");
// List out the recurrence dates if they exist
$recurrence_dates = get_post_meta($event->ID, 'xi_recurrence_date', false);
foreach ($recurrence_dates as $recurrence_date) {
$recurrence_event = new stdClass();
$recurrence_event->ID = $event->ID;
$recurrence_event->title = $event->title;
$recurrence_event->start_timestamp = strtotime($recurrence_date);
if ($days_diff > 1) {
// dates can get buggy with strtotime("+0 days") for some reason.
$recurrence_event->end_timestamp = strtotime('+{$days_diff} days', strtotime($recurrence_date));
} else {
$recurrence_event->end_timestamp = $recurrence_event->start_timestamp;
}
$recurrence_event->date = date_i18n($date_format, $recurrence_event->start_timestamp);
$recurrence_event->permalink = $event->permalink . (parse_url($event->permalink, PHP_URL_QUERY) == NULL ? '?' : '&') . 'instance=' . $recurrence_date;
$events[] = $recurrence_event;
}
}
}
// The events can be out of order and contain more events than desired now, so we need to filter down
$events = XiQuery::filter_events($events, $limit);
wp_reset_postdata();
return $events;
}
/**
* This is more or less proof of concept at this point. Needs to be significantly expanded upon.
* @TODO Other filters?
* @TODO Nonce input for security and stuff.
*/
public static function events_json()
{
global $xi_json_data;
$calendar_id = intval($_POST['calendar_id']);
$start_date = $_POST['start'];
$end_date = $_POST['end'];
$category_id = intval($_POST['category_id']);
$results = XiQuery::get_events($calendar_id, $start_date, $end_date, $category_id);
if ($results === false) {
die(json_encode(array()));
}
$events = array();
if ($results->have_posts()) {
while ($results->have_posts()) {
$results->the_post();
$xi_event_id = get_the_ID();
$xi_event_meta = XiEventmeta::clean_meta(get_post_meta($xi_event_id));
// Set up the event information, conforms to requirements of fullcalendar
$event = new stdClass();
$event->id = $xi_event_id;
$event->title = get_the_title();
$event->allDay = boolval($xi_event_meta['xi_event_all_day']);
$event->start = date_i18n('c', strtotime($xi_event_meta['xi_event_start_raw']));
$event->end = date_i18n('c', strtotime($xi_event_meta['xi_event_end_raw']));
$event->url = get_the_permalink();
// The last two fields depend on categories set up. This needs more attention for filtering.
$categories = wp_get_post_terms($xi_event_id, XiEvents::$category_taxonomy_name);
$event->categories = $categories;
if (count($categories) == 1) {
// Is there a more clever way to handle multiple categorization??
$event->className = 'category-' . $categories[0]->slug;
$event->color = get_term_meta($categories[0]->term_id, 'xi_category_color', true);
} elseif (count($categories) > 1) {
$categories_str = "";
foreach ($categories as $category) {
$categories_str .= ' category-' . $category->slug;
}
$event->className = trim($categories_str);
} else {
$event->className = 'uncategorized';
}
$events[] = $event;
$date1 = new DateTime($xi_event_meta['xi_event_start_query_friendly']);
$date2 = new DateTime($xi_event_meta['xi_event_end_query_friendly']);
$days_diff = $date2->diff($date1)->format("%a");
// List out the recurrence dates if they exist
$recurrence_dates = get_post_meta($xi_event_id, 'xi_recurrence_date', false);
foreach ($recurrence_dates as $recurrence_date) {
$recurrence_event = new stdClass();
$recurrence_event->id = $xi_event_id;
$recurrence_event->title = $event->title;
$recurrence_event->allDay = $event->allDay;
$recurrence_event->start = date_i18n('c', strtotime($recurrence_date));
if ($days_diff > 0) {
// dates can get buggy with strtotime("+0 days") for some reason.
$recurrence_event->end = date_i18n('c', strtotime('+{$days_diff} days', strtotime($recurrence_date)));
} else {
$recurrence_event->end = $recurrence_event->start;
}
$recurrence_event->categories = $event->categories;
$recurrence_event->className = $event->className . " recurrence_event";
$recurrence_event->color = $event->color;
$recurrence_event->url = $event->url . (parse_url($event->url, PHP_URL_QUERY) == NULL ? '?' : '&') . 'instance=' . $recurrence_date;
$events[] = $recurrence_event;
}
}
}
wp_reset_postdata();
$xi_json_data = $events;
include XI__PLUGIN_DIR . '/ajax/json-endpoint.php';
die;
}
