showCapturedDate.user.js

// ==UserScript==
// @name         Captured date tool
// @namespace    https://PortalExplorer-rhcloud.com/
// @version      0.1
// @description  show the captured date of portal
// @author       Y.Y.
// @include      https://www.ingress.com/intel*
// @include      http://www.ingress.com/intel*
// @match        https://www.ingress.com/intel*
// @match        http://www.ingress.com/intel*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var baseURL = '';
    var injectInterval = setInterval(function() {
        if(typeof Ij == 'function') {
            window.Ij = function(a, b) {
                if(b && b.title && b.A == 'portal' && b.state == 2) {
                    var guid = b.i;
                    fetch(baseURL + 'portals/get/' + guid)
                        .then(res => res.json())
                        .then((data) => {
                            if(data.exist) {
                                var date = data.portal.date;
                                var countDay = countDayDiff(date);
                                showCount(date, countDay);
                            }
                        });
                    });
                }
                T(a.a, yj, {
                    H: b,
                    Fc: b.J && !IS_VERSION_MOBILE,
                    oc: b.o.join(", ")
                });
            };
            console.log('Injected.');
            clearInterval(injectInterval);
        }
    }, 1000);
    var countDayDiff = function(ori) {
        var date1 = new Date(ori);
        var date2 = new Date();
        var timeDiff = Math.abs(date2.getTime() - date1.getTime());
        var diffDays = Math.ceil(timeDiff / (1000 * 3600 * 24));
        return diffDays;
    };
    var showCount = function(date, count) {
        var node = document.createElement('div');
        node.innerHTML = '<div>Captured: ' + date + '</div><div>Days: ' + count + '</div>';
        document.getElementById('portal_metadata').appendChild(node);
    };
})();