User:Equazcion/userinfo.js

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// Modified version of User:PleaseStand/userinfo.js
// ...which in turn is based on User:Fran Rogers/dimorphism.js 
// ...and User:Splarka/sysopdectector.js.

/*global window, wgNamespaceNumber, wgTitle, wgFormattedNamespaces
wgScriptPath, addOnloadHook, importScriptURI, sajax_init_object*/

// for non-Firefox browsers
if(!Array.prototype.map) {
    Array.prototype.map = function(fun /*, thisp*/) {
        var len = this.length >>> 0;
        if (typeof fun != "function") {
            throw new TypeError();
        }        
        var res = new Array(len);
        var thisp = arguments[1];
        for (var i = 0; i < len; i++) {
            if (i in this) {
                res[i] = fun.call(thisp, this[i], i, this);
            }
        }
        return res;
    };
}


function UserinfoJsParseDate(utcDate) {
    // The ISO 8601 date format used by MediaWiki
    var s = /^(\d\d\d\d)-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)Z$/.exec(utcDate);
    if(s === null) {
        return null;
    }
    var d = new Date();
    d.setUTCFullYear(s[1], s[2] - 1, s[3]);
    d.setUTCHours(s[4], s[5], s[6]);
    return d;
}

function UserinfoJsValidateIp(ip) {
    var ipSplit = ip.split(".");
    if(ipSplit.length != 4) {
        return false;
    }
    if(ipSplit.map(function(s){return parseInt(s,10);}).join(".") != ip) {
        return false;
    }
    return true;
}

function UserinfoJsFormatQty(qty, singular, plural) {
    return qty + "\u00a0" + (qty == 1 ? singular : plural);
}

// If on a user or user talk page, and not a subpage...
if((mw.config.get('wgNamespaceNumber') == 2 || mw.config.get('wgNamespaceNumber') == 3) && !(/\//.test(mw.config.get('wgTitle')))) {   
    // add a hook to...
    $(function(){
        if(typeof sajax_init_object === 'undefined') return;
        // Request the user's information from the API.
        // Note that this is allowed to be up to 5 minutes old.
        var x = sajax_init_object();
        x.open("GET", mw.config.get('wgScriptPath') +
            "/api.php?format=json&maxage=300&action=query&list=users&ususers=" + 
            encodeURIComponent(mw.config.get('wgTitle')) +
            "&usprop=blockinfo|groups|editcount|registration|gender", true);
        x.onreadystatechange = function() {
            if(x.readyState != 4) {
                return;
            }
            
            // When response arrives extract the information we need.
            var user = eval("(" + x.responseText + ")").query.users[0];
            var invalid = typeof user.invalid != "undefined";
            var missing = typeof user.missing != "undefined";
            var groups = (typeof user.groups == "object") ? user.groups : [];
            var editcount = (typeof user.editcount == "number") ? user.editcount : null;
            var registration = (typeof user.registration == "string") ?
                UserinfoJsParseDate(user.registration) : null;
            var blocked = typeof user.blockedby != "undefined";
            var gender = (typeof user.gender == "string") ? user.gender : null;
            
            // Format the information for on-screen display
            
            // Gender
            var genderSymbol;
            switch(gender) {
                case "male": genderSymbol = "\u2642"; break;
                case "female": genderSymbol = "\u2640"; break;
                default: genderSymbol = ""; break;
            }
            
            var statusText = "";

            // Registration date
            if(registration) {
                // The code below requires the computer's clock to be set correctly.
                var age = new Date().getTime() - registration.getTime();
                var ageNumber, ageRemainder, ageWords;
                if(age < 60000) {
                    // less than one minute old
                    ageNumber = Math.floor(age / 1000);
                    ageWords = UserinfoJsFormatQty(ageNumber, "second", "seconds");
                } else if(age < 3600000) {
                    // less than one hour old
                    ageNumber = Math.floor(age / 60000);
                    ageWords = UserinfoJsFormatQty(ageNumber, "minute", "minutes");
                } else if(age < 86400000) {
                    // less than one day old
                    ageNumber = Math.floor(age / 3600000);
                    ageWords = UserinfoJsFormatQty(ageNumber, "hour", "hours");
                    ageRemainder = Math.floor((age - ageNumber * 3600000) / 60000);
                } else if(age < 604800000) {
                    // less than one week old
                    ageNumber = Math.floor(age / 86400000);
                    ageWords = UserinfoJsFormatQty(ageNumber, "day", "days");
                } else if(age < 2592000000) {
                    // less than one month old
                    ageNumber = Math.floor(age / 604800000);
                    ageWords = UserinfoJsFormatQty(ageNumber, "week", "weeks");
                } else if(age < 31536000000) {
                    // less than one year old
                    ageNumber = Math.floor(age / 2592000000);
                    ageWords = UserinfoJsFormatQty(ageNumber, "month", "months");
                } else {
                    // one year or older
                    ageNumber = Math.floor(age / 31536000000);
                    ageWords = UserinfoJsFormatQty(ageNumber, "year", "years");
                    ageRemainder =
                        Math.floor((age - ageNumber * 31536000000) / 2592000000);
                    if(ageRemainder) {
                        ageWords += " " +
                            UserinfoJsFormatQty(ageRemainder, "month", "months");
                    }
                }
                statusText += "" + ageWords + " old";
            }
            
            // Edit count
            if(editcount !== null) {
                statusText += ", with " +
                    "<a href=\"https://tools.wmflabs.org/xtools/pcount/index.php?name=" +
                    encodeURIComponent(user.name) +
                    "&amp;lang=en&amp;wiki=wikipedia\">" +
                    UserinfoJsFormatQty(editcount, "edit", "edits") + "</a>";
            }
            
            // Now show the information at the top of the page
            var fh = window.document.getElementById("firstHeading");
            fh.appendChild(window.document.createTextNode(genderSymbol));
            var stDiv = window.document.createElement("div");

            // Non-standard? Yes, but it gets the job done.
            stDiv.innerHTML = statusText;
            fh.parentNode.insertBefore(stDiv, fh.nextSibling);
            };
            x.send(null);
    });
}