User:Animum/moveRV.js

Code that you insert on this page could contain malicious content capable of compromising your account. If you import a script from another page with "importScript", "mw.loader.load", "iusc", or "lusc", take note that this causes you to dynamically load a remote script, which could be changed by others. Editors are responsible for all edits and actions they perform, including by scripts. User scripts are not centrally supported and may malfunction or become inoperable due to software changes. A guide to help you find broken scripts is available. If you are unsure whether code you are adding to this page is safe, you can ask at the appropriate village pump.
This code will be executed when previewing this page.

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

Note: After saving, you have to bypass your browser's cache to see the changes. Google Chrome, Firefox, Microsoft Edge and Safari: Hold down the ⇧ Shift key and click the Reload toolbar button. For details and instructions about other browsers, see Wikipedia:Bypass your cache.

var UrlParameters = new Array ();
 
function readparams() {
  var asReadInUrlParameters;
  var asReadInUrlParameter;
 
  // Get URL parameters
  asReadInUrlParameters = location.search.substring(1, location.search.length).split("&");
  for (i = 0; i < asReadInUrlParameters.length; i++) {
    asReadInUrlParameter = asReadInUrlParameters[i].split("=");
    UrlParameters[decodeURIComponent(asReadInUrlParameter[0])] = decodeURIComponent(asReadInUrlParameter[1]);
  }
}

readparams();

function formatResponse(response) { //This bit was stolen from Gracenotes.  Thanks, Gracenotes!
 	try {
 		response = response.query.pages;
 		for (var property in response)
 			return response[property];
 	} catch (e) {
 	}
}

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... (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.split("title=")[1].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[0] != 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 = "wpOldTitle=" + article2
                                         + "&wpNewTitle=" + article
                                         + "&wpReason=" + encodeURIComponent(summary)
                                         + "&wpMovetalk=0"
                                         + "&wpEditToken=" + encodeURIComponent(edittoken)
                                         + "&wpMove=Move+page"
                                         + "&wpConfirm=1";
                        var req = sajax_init_object();
                        req.open("POST", wgScriptPath + "/index.php?title=Special:MovePage&action=submit", 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);
                            if(eval("(" + req.responseText + ")").query.logevents[0]) {
                                if(eval("(" + req.responseText + ")").query.logevents[0].user == wgUserName && eval("(" + req.responseText + ")").query.logevents[0].comment == summary) {
 
                                    if(isSysop) {
                                        var delsummary = "Cleanup of redirects created from page-move vandalism.";
                                        var postdata = "wpReason=" + encodeURIComponent(delsummary)
                                                     + "&wpEditToken=" + encodeURIComponent(deletetoken);
                                        var req = sajax_init_object();
                                        req.open("POST", wgScript + "?title=" + article2 + "&action=delete", false);
                                        req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
                                        req.setRequestHeader("Content-length", postdata.length);
                                        req.send(postdata);
                                    }
                                    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").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 == true) {
        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");
    }
});