MediaWiki:Gadget-UserInfo.js

// based on http://en.wikipedia.org/wiki/User:Fran Rogers/dimorphism.js
// and on http://en.wikipedia.org/wiki/User:Splarka/sysopdectector.js

function UserinfoJsFormatQty(qty, singular, plural) {
    return String(qty).replace(/\d{1,3}(?=(\d{3})+(?!\d))/g, "$&,") + "\u00a0" + (qty == 1 ? singular : plural);
}

function UserinfoJsFormatDateRel(old) {
// The code below requires the computer's clock to be set correctly.
            var age = new Date().getTime() - old.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");
                }
           }
           return ageWords;
}

// 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...
    mw.loader.using( ['mediawiki.util'], function() { $(function(){
        // Request the user's information from the API.
        // Note that this is allowed to be up to 5 minutes old.
        var et = encodeURIComponent(mw.config.get("wgTitle"));
        
        $.getJSON(mw.config.get("wgScriptPath") + "/api.php?format=json&action=query&list=users|usercontribs&usprop=blockinfo|editcount|gender|registration|groups&uclimit=1&ucprop=timestamp&ususers=" + et + "&ucuser=" + et + "&meta=allmessages&amprefix=grouppage-&amincludelocal=1")
        .done(function(query) {
            // When response arrives extract the information we need.
            if(!query.query) { return; } // Suggested by Gary King to avoid JS errors --PS 2010-08-25
            query = query.query;
            var user, invalid, missing, groups, groupPages={}, editcount, registration, blocked, gender, lastEdited;
            try {
                user = query.users[0];
                invalid = typeof user.invalid != "undefined";
                missing = typeof user.missing != "undefined";
                groups = (typeof user.groups == "object") ? user.groups : [];
                editcount = (typeof user.editcount == "number") ? user.editcount : null;
                registration = (typeof user.registration == "string") ?
                    new Date(user.registration) : null;
                blocked = typeof user.blockedby != "undefined";
                gender = (typeof user.gender == "string") ? user.gender : null;
                lastEdited = (typeof query.usercontribs[0] == "object") &&
                    (typeof query.usercontribs[0].timestamp == "string") ?
                    new Date(query.usercontribs[0].timestamp) : null;
                for (var am=0; am<query.allmessages.length; am++) {
                	groupPages[query.allmessages[am]["name"].replace("grouppage-","")] = query.allmessages[am]["*"].replace("{{ns:project}}:","Project:");
                }
            } catch(e) {
                return; // Not much to do if the server is returning an error (e.g. if the username is malformed).
            }

            // Format the information for on-screen display
            
            var statusText = "";
            var ipUser = false;
            var ipv4User = false;
            var ipv6User = false;

            // User status
            if(blocked) {
                statusText += "<a href=\"" + mw.config.get("wgScriptPath") +
                    "/index.php?title=Special:Log&amp;page=" + 
                    encodeURIComponent(mw.config.get("wgFormattedNamespaces")[2] + ":" + user.name) +
                    "&amp;type=block\">blocked</a> ";
            }
            if (missing) {
                statusText += "username not registered";
            } else if (invalid) {
                ipv4User = mw.util.isIPv4Address(user.name);
                ipv6User = mw.util.isIPv6Address(user.name);
                ipUser = ipv4User || ipv6User;
                if (ipv4User) {
                    statusText += "anonymous IPv4 user";
                } else if (ipv6User) {
                    statusText += "anonymous IPv6 user";
                } else {
                    statusText += "invalid username";
                }
            } else {
                // User is registered and may be in a privileged group. Below we have a list of user groups.
                // Only need the ones different from the software's name (or ones to exclude), though.
                var friendlyGroupNames = {
                    // Exclude implicit user group information provided by MW 1.17 --PS 2010-02-17
                    '*': false,
                    'user': false,
                    'autoconfirmed': false,
                    'named': false,
                    sysop: "administrator",
                    accountcreator: "account creator",
                    'import': "importer",
                    transwiki: "transwiki importer",
                    'ipblock-exempt': "IP block exemption",
                    confirmed: "confirmed user",
                    'abusefilter-admin': "edit filter manager",
                    'abusefilter-helper': "edit filter helper",
                    autoreviewer: "autopatrolled user",
                    filemover: "file mover",
                    'massmessage-sender': "mass message sender",
                    templateeditor: "template editor",
                    extendedconfirmed: "extended confirmed user",
                    extendedmover: "page mover",
                    reviewer: "pending changes reviewer",
                    suppress: "oversighter",
                    patroller: "new page reviewer",
                    copyviobot: "copyright violation bot",
                    eventcoordinator: "event coordinator",
                    'interface-admin': "interface administrator",
                    exampleuser: "example user",
                    'interwiki-admin': "interwiki administrator"
                };
                
                var friendlyGroups = [];
                for(var i = 0; i < groups.length; ++i) {
					var s = groups[i];
                    var t = friendlyGroupNames.hasOwnProperty(s) ? friendlyGroupNames[s] : s;
                    if (t) {
                    	if (groupPages.hasOwnProperty(s)) {
                    		friendlyGroups.push("<a href=\"/wiki/" + encodeURIComponent( groupPages[s] ) + "\">" + t + "</a>");
                    	} else {
                    		friendlyGroups.push(t);
                    	}
                    }
                }
                switch(friendlyGroups.length) {
                    case 0:
                        // User not in a privileged group
                        // Changed to "registered user" by request of [[User:Svanslyck]]
                        // --PS 2010-05-16
                        
                        // statusText += "user";
                        if(blocked) {
                            statusText += "user";
                        } else {
                            statusText += "registered user";
                        }
                        break;
                    case 1:
                        statusText += friendlyGroups[0];
                        break;
                    case 2:
                        statusText += friendlyGroups[0] + " and " + friendlyGroups[1];
                        break;
                    default:
                        statusText += friendlyGroups.slice(0, -1).join(", ") +
                            ", and " + friendlyGroups[friendlyGroups.length - 1];
                        break;
                }
            }
                
            // Registration date
            if(registration) {
            	var firstLoggedUser = new Date("22:16, 7 September 2005"); // When the [[Special:Log/newusers]] was first activated
            	if(registration >= firstLoggedUser) {
            		statusText += ", <a href='" + mw.config.get("wgScriptPath") +
                    "/index.php?title=Special:Log&amp;type=newusers&amp;dir=prev&amp;limit=1&amp;user=" +
                    et + "'>" + UserinfoJsFormatDateRel(registration) + "</a> old";
            	} else {
            		statusText += ", <a href='" + mw.config.get("wgScriptPath") +
                    "/index.php?title=Special:ListUsers&amp;limit=1&amp;username=" +
                    et + "'>" + UserinfoJsFormatDateRel(registration) + "</a> old";
            	}
            }
            
            // Edit count
            if(editcount !== null) {
                statusText += ", with " +
                    "<a href=\"//tools.wmflabs.org/xtools-ec/?user=" +
                    encodeURIComponent(user.name) +
                    "&amp;project=en.wikipedia.org&amp;uselang=en\">" +
                    UserinfoJsFormatQty(editcount, "edit", "edits") + "</a>";
            }
            
            // Prefix status text with correct article
            if("AEIOaeio".indexOf(statusText.charAt(statusText.indexOf('>')+1)) >= 0) {
                statusText = "An " + statusText;
            } else {
                statusText = "A " + statusText;
            }

            // Add full stop to status text
            statusText += ".";

            // Last edited --PS 2010-06-27
            // Added link to contributions page --PS 2010-07-03
            if(lastEdited) {
                statusText += " Last edited <a href=\"" + mw.config.get("wgArticlePath").replace("$1", "Special:Contributions/" + encodeURIComponent(user.name)) + "\">" + UserinfoJsFormatDateRel(lastEdited) + " ago</a>.";
            }

            // Show the correct gender symbol
            var fh = document.getElementById("firstHeading") ||
                document.getElementById("section-0");
            if(!fh) return; // e.g. Minerva user talk pages
            // Add classes for blocked, registered, and anonymous users
            var newClasses = [];
            if(blocked) {
                newClasses.push("ps-blocked");
            }
            if(ipUser) {
                newClasses.push("ps-anonymous");
            } else if(invalid) {
                newClasses.push("ps-invalid");
            } else {
                newClasses.push("ps-registered");
            }
            fh.className += (fh.className.length ? " " : "") + groups.map(function(s) {
                return "ps-group-" + s;
            }).concat(newClasses).join(" ");
            var genderSpan = document.createElement("span");
            genderSpan.id = "ps-gender-" + (gender || "unknown");
            genderSpan.style.paddingLeft = "0.25em";
            genderSpan.style.fontFamily = '"Lucida Grande", "Lucida Sans Unicode", "sans-serif"';
            genderSpan.style.fontSize = "75%";
            var genderSymbol;
            switch(gender) {
                case "male": genderSymbol = "\u2642"; break;
                case "female": genderSymbol = "\u2640"; break;
                default: genderSymbol = ""; break;
            }
            genderSpan.appendChild(document.createTextNode(genderSymbol));
            fh.appendChild(genderSpan);

            // Now show the other information. Non-standard? Yes, but it gets the job done.
            // Add a period after the tagline when doing so. --PS 2010-07-03

            var ss = document.getElementById("siteSub");
            if(!ss) {
                ss = document.createElement("div");
                ss.id = "siteSub";
                ss.innerHTML = "Test Wiki.";
                var bc = document.getElementById("bodyContent");
                bc.insertBefore(ss, bc.firstChild);
            }
            ss.innerHTML = '<span id="ps-userinfo">' + statusText + '</span> ' + ss.innerHTML + '.';
            ss.style.display = "block";
            });
    }); });
}