/**
* Callback used to post a survey form after clicking
* a button contained within a RSS feed.
*
* @param mixed button The button element.
*
* @return boolean
*/
function vboRssSubmitSurvey(button) {
// recover closest modal
var modal = jQuery(button).closest('.modal[id^="jmodal"]');
if (!modal.length) {
// abort, modal not found
return false;
}
// take form inside the modal
var form = modal.find('form');
if (!form.length) {
// abort, no specified forms
return false;
}
// retrieve feed ID from modal data
var feedId = modal.attr('data-feed-id');
var submitDate;
if (typeof localStorage !== 'undefined') {
// get submission date of the survey, if any
submitDate = localStorage.getItem('vikbooking.rss.survey.' + feedId);
}
// disable button to avoid double submit
jQuery(button).prop('disabled', true);
// extract title from modal
var subject = jQuery(modal).find('.modal-header h3').text().trim();
// serialize form to array
var data = form.serializeArray();
// push subject within form
data.push({name: 'subject', value: subject});
// create request promise
new Promise((resolve, reject) => {
// check whether the feed ID has been already submitted
if (submitDate) {
reject('Survey already submitted on ' + submitDate);
return false;
}
// make self AJAX request to post survey
doAjax(
'admin-ajax.php?action=vikbooking&task=feedback.survey',
jQuery.param(data),
function(resp) {
resolve(resp);
},
function(err) {
reject(err);
}
);
}).then((data) => {
if (typeof localStorage !== 'undefined') {
// register survey within the pool to avoid several submissions
localStorage.setItem('vikbooking.rss.survey.' + feedId, new Date().toUTCString());
}
}).catch((error) => {
console.error(error);
}).finally(() => {
// look for a button to auto-dismiss the modal
var closeBtn = modal.find('#rss-feed-dismiss');
if (closeBtn.length) {
// trigger click to dismiss the modal
closeBtn.trigger('click');
} else {
// otherwise manually close the modal
wpCloseJModal(modal.attr('id'));
}
});
}