User:Animum/moveRV.js

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Documentation for this user script can be added at User:Animum/moveRV.

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importScript('User:Animum/urlparameters.js');
importScript('User:Animum/formatresponse.js');

function zeroPad(str) {
    return ("0" + str).slice(-2);
}

var isSysop = /sysop/.test(wgUserGroups);

function revertmoves() { //A _HEAVILY_ modified version of Voice of All's move-reversion script.
    document.getElementById("contentSub").innerHTML += "<br /><b>Working<span style=\"text-decoration:blink\">...</span> (this may take a while)</b>";
    var l = document.getElementById('bodyContent').getElementsByTagName('li');
    var NEXT_INDEX = 0;
    var completedMoves = 0;
    var completedDeletions = 0;
    for (var i=NEXT_INDEX;i<l.length;i++) {
        var li_a = l[i].getElementsByTagName('a');
        for(k=0;k<li_a.length;k++) { //Here to look good.
            var article  = li_a[(isSysop ? 4 : 3)].href.split("title=")[1].split("&")[0];
            var article2 = li_a[(isSysop ? 5 : 4)].href.replace(/.*?(\/wiki\/|\/index\.php\?title\=)/g, "").split("&")[0];

            var req = sajax_init_object();
            req.open("GET", wgScriptPath + "/api.php?format=json&action=query&prop=revisions&titles=" + article + "&rvprop=comment&limit=1", false);
            req.send(null);
            var pageInfo = formatResponse(eval("(" + req.responseText + ")"));
            if(pageInfo.revisions != undefined) {
                if(pageInfo.revisions[0].comment) {
                    if(pageInfo.revisions[0].comment.indexOf("moved [[" + article2.replace(/_/g, " ") + "]] to [[" + article.replace(/_/g, " ") + "]]") != -1) {
                        var shouldAbort = true; //Has already been reverted.
                    } else {
                        shouldAbort = false;
                    }
                } else {
                    shouldAbort = false; //No comment means no move has been made.
                }
            } else {
                shouldAbort = false; //If page doesn't exist, we don't want to move it.
            }
            var req = sajax_init_object();
            req.open("GET", wgScriptPath + "/api.php?format=json&action=query&prop=revisions&titles=" + article2 + "&rvprop=comment&limit=1", false);
            req.send(null);
            var pageInfo = formatResponse(eval("(" + req.responseText + ")"));
            if(pageInfo.revisions == undefined) {
                shouldAbort = true; //Page to move doesn't exist.
            }
            var req = sajax_init_object();
            req.open("GET", wgScriptPath + "/api.php?format=json&action=query&prop=info&intoken=move|delete&titles=" + article2, false);
            req.send(null);

            var summary = "Script-assisted page-move revert.";
            var info = formatResponse(eval("(" + req.responseText + ")"));
            var edittoken = info.movetoken;
            var deletetoken = info.deletetoken;

            var postdata = "action=move"
                         + "&from=" + article2
                         + "&to=" + article
                         + "&reason=" + encodeURIComponent(summary)
                         + "&token=" + encodeURIComponent(edittoken)
                         + "&noredirect";
            var req = sajax_init_object();
            req.open("POST", wgScriptPath + "/api.php", false);
            req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
            req.setRequestHeader("Content-length", postdata.length);     
            if(shouldAbort == false) { //If nobody else has already reverted, we do                   
                req.send(postdata);
 
                var dt = new Date();
                var timestamp = dt.getUTCFullYear() + zeroPad(dt.getUTCMonth() + 1) + zeroPad(dt.getUTCDate()) + zeroPad(dt.getUTCHours()) + zeroPad(dt.getUTCMinutes()) + zeroPad(dt.getUTCSeconds());
 
                var div = document.createElement("div");
                div.id = "completedMoveCount";
                document.getElementById("contentSub").appendChild(div);
 
                var req = sajax_init_object();
                req.open("GET", wgScriptPath + "/api.php?format=json&action=query&list=logevents&letype=move&leuser=" + wgUserName + "&letitle=" + unescape(article2) + "&lelimit=1&ledir=newer&lestart=" + timestamp, false);
                req.send(null);
                var text = eval("(" + req.responseText + ")").query.logevents;
                if(text[0]) {
                    text = text[0];
                    if(text.user == wgUserName && text.comment.indexOf(summary) != -1) {
                        completedMoves = completedMoves+1;
                        document.getElementById("completedMoveCount").innerHTML = "<b>" + completedMoves + (completedMoves == 1 ? " move " + (isSysop ? "and deletion has" : "has") : " moves " + (isSysop ? "and deletions have" : "have")) + " been completed.</b>";
                    }
                }
            }
            NEXT_INDEX = NEXT_INDEX+1;
            break;
        }
    }
    document.getElementById("contentSub").getElementsByTagName("span")[0].style.textDecoration = "none";
    document.getElementById("contentSub").innerHTML += "<br /><b>Cleanup finished.</b>"; //Done.
}

function doMoveRV() {
    var domove = confirm("All of the moves listed on this page will be reverted, and the resulting redirects will be deleted.\n\nClick \"OK\" to proceed or \"Cancel\" to abort.");
    if(domove) {
        revertmoves();
    } else {
        return;
    }
}

addOnloadHook(function() {
    if(wgNamespaceNumber == -1 && wgCanonicalSpecialPageName == "Log" && (UrlParameters["type"] == "move" || location.href.substring(location.href.indexOf("title=") + 6).split("/")[1] == "move" || location.href.substring(location.href.indexOf("/wiki/") + 6).split("?")[0].split("/")[1] == "move") && (UrlParameters["user"] || location.href.substring(location.href.indexOf("user=") + 5))) {
        addPortletLink("p-cactions", "javascript:doMoveRV()", "pagemove", "ca-pagemove");
    }
});