User:CRLF/common.js

function rvt(undop, undoafterp, c, tl) { // Implements one-click undo
    $.ajax({
        url: 'https://www.explainxkcd.com/wiki/api.php',
        data: {
            format: 'json',
            action: 'edit',
            title: atob(tl),
            undo: undop,
            undoafter: undoafterp,
            summary: "Reverted vandalism with [[User:CRLF/OneClickUndo.js]]",
            token: mw.user.tokens.get('csrfToken')
        },
        dataType: 'json',
        type: 'POST',
        success: function () { if (c) { $('.mw-diff-undo > a').text("success"); $('.mw-diff-undo > a').removeAttr("onclick"); } else { $('#link' + undop).text("success"); $('.mw-diff-undo > a').removeAttr("onclick"); } }
    });
}
try {
    var href = $('.mw-diff-undo > a').attr('href').split("=");
    var undop = href[4];
    var undoafterp = href[3].substr(0, href[3].length - 5);
    $('.mw-diff-undo > a').removeAttr('href');
    $('.mw-diff-undo > a').attr('onclick', 'rvt(' + undop + ',' + undoafterp + ',1,"'+btoa($("#firstHeading").text().substr(33, $("#firstHeading").text().length - 34))+'")');
}
catch (e) { console.log(e); console.log("assumed not undoable"); }


function makeLinks(str, titles) { // Implements undo links on contribs page
    $.ajax({
        url: 'https://www.explainxkcd.com/wiki/api.php',
        type: 'GET',
        dataType: 'json',
        data: { format: 'json', action: 'query', prop: 'revisions', titles: str, rvprop: 'ids', formatversion: 2 },
        success: function (data) {
            for (var i = 0; i < data["query"]["pages"].length; i++) {
                ob = data["query"]["pages"][i]
                pg = ob["title"];
                if (titles[pg] == "done") continue;
                el = titles[pg];
                $('<span id="span' + ob["revisions"][0]["revid"] + '"></span>').insertAfter(el);
                $("#span" + ob["revisions"][0]["revid"]).html(' <strong>[<a id="link' + ob["revisions"][0]["revid"] + '" onclick=\'rvt(' + ob["revisions"][0]["revid"] + ',' + ob["revisions"][0]["parentid"] + ',0,"'+btoa(pg)+'")\'>revert</a>]</strong>');
                titles[pg] = "done";
            }
        }
    })
}

cs = $('.mw-contributions-title');
titles = {};
str = "";
for (var i = 0; i < cs.length; i++) {
    titles[cs[i].getAttribute("title")] = cs[i];
    str += cs[i].getAttribute("title") + '|'
    makeLinks(str.slice(0, -1), titles);
}