bhouseWeb/static/js/utm.js

function getRefQueryParam(name) {
    name = name.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
    var regex = new RegExp('[\\?&]' + name + '=([^&#]*)');
    var results = regex.exec(location.search);
    return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, ' '));
};

var utmParamQueryString = '',
    utmParamQueryStringTrimmed = '',
    utm_source = '',
    utm_medium = '',
    utm_content = '',
    utm_campaign = '',
    utm_term = '';

(function() {
    utm_source = getRefQueryParam("utm_source");
    utm_medium = getRefQueryParam("utm_medium");
    utm_content = getRefQueryParam("utm_content");
    utm_campaign = getRefQueryParam("utm_campaign");
    utm_term = getRefQueryParam("utm_term");

    if (utm_source) {
        utmParamQueryString += '&utm_source=' + utm_source;
    }
    if (utm_medium) {
        utmParamQueryString += '&utm_medium=' + utm_medium;
    }
    if (utm_content) {
        utmParamQueryString += '&utm_content=' + utm_content;
    }
    if (utm_campaign) {
        utmParamQueryString += '&utm_campaign=' + utm_campaign;
    }
    if (utm_term) {
        utmParamQueryString += '&utm_term=' + utm_term;
    }

    if(utmParamQueryString.length > 0) {
        utmParamQueryString = utmParamQueryString.substring(1);
        utmParamQueryStringTrimmed = utmParamQueryString;
        utmParamQueryString = utmParamQueryString;
    }
    if (!utmParamQueryString) return;
    var navLinks = document.querySelectorAll('a');

    navLinks.forEach(function(item) {
      if (item.href.indexOf('/') === 0 || item.href.indexOf(location.host) !== -1) {
        if (item.href.indexOf('?') === -1) {
            item.href += '?';
        } else {
          item.href += '&';
        }
        item.href += utmParamQueryString;
      }
    });
})();


function ocard_redirect() {
    console.log('Redirect to ' + ocard_link); // test
    window.location.href = ocard_link;
}

// UTM -> Ocard
var ocard_link = 'https://ocard.co/q?s=mkwbRm&qtk=bZ9nam&utm_source=web&utm_medium=booking&utm_campaign=booking&utm_content=booking';

if (utmParamQueryString) {
    ocard_link = 'https://ocard.co/q?s=mkwbRm&qtk=bZ9nam&' + utmParamQueryString;
}

console.log('link = ' + window.location.href); // test
console.log('utmParamQueryString = ' + utmParamQueryString); // test
console.log('ocard_link = ' + ocard_link); // test

var reservation = document.getElementsByClassName('reservation-href');

for(var i = 0; i < reservation.length; i++) {
    reservation[i].addEventListener("click", ocard_redirect);
}