<?php

/*

* Check if field group exists

*/

function is_field_group_exists($value, $type = 'post_title') {

$exists = false;

if ($field_groups = get_posts(['post_type' => 'acf-field-group'])) {

foreach ($field_groups as $field_group) {

if ($field_group->$type == $value) {

$exists = true;

}

}

}

return $exists;

}

/*

* Output pagination for posts and users.

*/

function numeric_pagination($current_page, $num_pages) {

echo '<nav class="d-flex justify-content-center vacancy-list__pagination custom-pagination">' .

'<ul class="pagination pagination-sm custom-pagination__list">';

$start_number = $current_page - 2;

$end_number = $current_page + 2;

if (($start_number - 1) < 1) {

$start_number = 1;

$end_number = min($num_pages, $start_number + 4);

}

if (($end_number + 1) > $num_pages) {

$end_number = $num_pages;

$start_number = max(1, $num_pages - 4);

}

if ($start_number > 1) {

echo '<li class="page-item custom-pagination__item"><span class="page-link custom-pagination__link"> 1 </span></li><li>...</li>';

}

for ($i = $start_number; $i <= $end_number; $i++) {

$page_url = get_pagenum_link($i);

if ($i === $current_page) {

echo '<li class="page-item active custom-pagination__item"><a href="' . $page_url . '" class="page-link custom-pagination__link">';

echo " [{$i}] ";

echo '</a></li>';

} else {

echo '<li class="page-item custom-pagination__item"><a href="' . $page_url . '" class="page-link custom-pagination__link">';

echo " {$i} ";

echo '</a></li>';

}

}

if ($end_number < $num_pages) {

echo '<li>...</li><li class="page-item custom-pagination__item"><span class="page-link custom-pagination__link"> ' . $num_pages . ' </span></li>';

}

echo '</ul></nav>';

}

/**

* Add key, value pair to the post meta filters if it is set.

*/

function add_to_meta_query_if_get_exists($filter_key, $filter_value, &$query) {

if (isset($filter_value)) {

foreach ($filter_value as $value) {

$meta_addition = [

'key' => rawurldecode($filter_key),

'value' => rawurldecode($value),

'compare' => 'LIKE'

];

array_push($query, $meta_addition);

}

}

}

/**

* Add key, value pair OR to the post meta filters if it is set.

*/

function add_to_meta_query_if_get_exists_or($filter_key, $filter_value, &$query) {

$nested_meta = ['relation' => 'OR'];

if (isset($filter_value)) {

foreach ($filter_value as $value) {

$meta_addition = [

'key' => rawurldecode($filter_key),

'value' => rawurldecode($value),

'compare' => 'LIKE'

];

array_push($nested_meta, $meta_addition);

}

}

array_push($query, $nested_meta);

}

/**

* Function add_to_meta_query_if_get_exists rewrite in pure form.

*/

function get_query_meta_from_value($filter_key, $filter_value, $or = false) {

if (is_string($filter_value)) {

$values_to_search = explode(',', $filter_value);

if (length($values_to_search) == 1) {

return [

'key' => rawurldecode($filter_key),

'value' => rawurldecode($values_to_search),

'compare' => 'LIKE'

];

} else {

$meta_list = [];

if ($or) {

$meta_list[] = ['relation' => 'OR'];

}

foreach ($values_to_search as $value) {

$meta = [

'key' => rawurldecode($filter_key),

'value' => rawurldecode($value),

'compare' => 'LIKE'

];

array_push($meta_list, $meta);

}

return $meta_list;

}

}

return [];

}

/**

* Script to add filter variables to the url and refresh.

* Originally taken from ACF documentation.

*/

function filter_script($page) {

?>

<script type="text/javascript">

(function($) {

// change

$('#archive-filters').on('change', 'input[type="checkbox"],input[type="radio"],select', function(){

// vars

var url = '<?php echo home_url($page); ?>';

args = {};

// loop over filters

$('#archive-filters .filter').each(function(){

// vars

var filter = $(this).data('filter'),

vals = [];

// find checked inputs

$(this).find('input:checked, option:selected').each(function(){

if( $(this).val() !== '*'){

vals.push( $(this).val() );

}

});

// append to args

args[ filter ] = vals.join('_');

});

// update url

url += '?';

// loop over args

$.each(args, function( name, value ){

if(value !== ""){

url += name + '=' + value + '&';

}

});

// remove last &

url = url.slice(0, -1);

// reload page

window.location.replace( url );

});

})(jQuery);

</script>

<?php

}

//compare dates

function isExpired($time) {

return (time() > strtotime($time));

}

//get user role

function get_current_user_role() {

if (is_user_logged_in()) {

$user = wp_get_current_user();

$role = ( array ) $user->roles;

return $role[0];

} else {

return false;

}

}

//get available tickes

function get_available_event_tickets($event_id) {

$timestamp = get_post_meta($event_id, '_wcs_timestamp', true);

$woo_booking_capacity = get_post_meta($event_id, WCS_PREFIX . '_woo_capacity', true);

$woo_booking_label = get_post_meta($event_id, WCS_PREFIX . '_woo_label', true);

$woo_booking_product = get_post_meta($event_id, WCS_PREFIX . '_woo_product', true);

$woo_booking_history = get_post_meta($event_id, '_' . WCS_PREFIX . '_woo_history', true);

if (empty($woo_booking_label) || empty($woo_booking_capacity) || empty($woo_booking_product) || intval($woo_booking_capacity) <= 0) {

return false;

}

$product = wc_get_product($woo_booking_product);

if (!is_object($product)) {

return false;

}

if (!$product->is_purchasable()) {

return false;

}

$total = 0;

if (!empty($woo_booking_history)) {

$history = maybe_unserialize($woo_booking_history);

if (isset($history[$timestamp])) {

//assumes only a tickey can be purchased by aan attendee

$total = count($history[$timestamp]);

}

}

return $woo_booking_capacity - $total;

}