User:Tulsi/massdelete.js
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/** This script is adapted from [[:en:User:Animum/massdelete.js]]
* by [[User:Tulsi Bhagat]] <https://meta.wikimedia.org/wiki/User:Tulsi_Bhagat>
* Special thanks to [[User:~riley]]
*/
mw.loader.using(['mediawiki.api', 'mediawiki.Title'], function () {
"use strict";
var config = mw.config.get(['wgNamespaceNumber', 'wgTitle', 'wgUserGroups', 'wgGlobalGroups', 'skin']);
function removeBlanks(arr) {
var ret = [];
var i, len;
for (i = 0, len = arr.length; i < len; i++) {
var s = arr[i];
s = s.trim();
if (s) {
ret.push(s);
}
}
return ret;
}
function doMassDelete() {
document.getElementById("wpMassDeleteSubmit").disabled = true;
var articles = document.getElementById("wpMassDeletePages").value.split("\n");
articles = removeBlanks(articles);
if (!articles.length) {
return;
}
var
api = new mw.Api(),
wpMassDeleteReasons = document.getElementById("wpMassDeleteReasons").value,
wpMassDeleteReason = document.getElementById("wpMassDeleteReason").value,
deleted = 0,
failed = [],
error = [],
deferreds = [],
reason = wpMassDeleteReasons == "other" ?
wpMassDeleteReason :
wpMassDeleteReasons + (wpMassDeleteReason ? " (" + wpMassDeleteReason + ")" : ""),
onSuccess = function () {
deleted++;
document.getElementById("wpMassDeleteSubmit").value = "(" + deleted + ")";
};
function makeDeleteFunc(article) {
return function () {
return $.Deferred(function (deferred) {
var promise = api.postWithToken('delete', {
format: 'json',
action: 'delete',
title: article,
reason: reason
});
promise.done(onSuccess);
promise.fail(function (code, obj) {
failed.push(article);
error.push(obj.error.info);
});
promise.always(function () {
deferred.resolve();
});
});
};
}
// Make a chain of deferred objects. We chain them rather than execute them in
// parallel so that we don't make 1000 simultaneous delete requests and bring the
// site down. We use deferred objects rather than the promise objects returned
// from the API request so that the chain continues even if some articles gave
// errors.
var deferred = makeDeleteFunc(articles[0])();
for (var i = 1, len = articles.length; i < len; i++) {
deferred = deferred.then(makeDeleteFunc(articles[i]));
}
// Show the output and do cleanup once all the requests are done.
$.when(deferred).then(function () {
document.getElementById("wpMassDeleteSubmit").value = "Done (" + deleted + ")";
if (failed.length) {
var $failedList = $('<ul>');
for(var x = 0; x < failed.length; x++) {
// Link the titles in the "failed" array
var failedTitle = mw.Title.newFromText(failed[x]);
var $failedItem = $('<li>');
if (failedTitle) {
$failedItem.append( $('<a>')
.attr('href', failedTitle.getUrl())
.text(failed[x])
);
} else {
$failedItem.text(failed[x]);
}
$failedItem.append(document.createTextNode(': ' + error[x]));
$failedList.append($failedItem);
}
$('#wpMassDeleteFailedContainer')
.append($('<br />'))
.append($('<b>')
.text('Failed deletions:')
)
.append($failedList);
}
});
}
function massdeleteform() {
var bodyContent = (config.skin == "cologneblue" ? "article" : "bodyContent");
document.getElementsByTagName("h1")[0].textContent = "Mass Delete";
document.title = "Mass Delete, by Tulsi Bhagat";
document.getElementById(bodyContent).innerHTML = '<h3 id="author">Authored by Tulsi Bhagat</h3><br />' +
'<form id="wpMassDelete" name="wpMassDelete">' +
'This special page allows you to mass delete pages quickly and easily.<br/><b>Please be careful while using it, and you are fully responsible for any mistakes.</b>' +
'<div id="wpMassDeleteFailedContainer"></div>' +
'<br />' +
'List the pages to be deleted (one on each line, please):<br />' +
'<textarea tabindex="1" accesskey="," name="wpMassDeletePages" id="wpMassDeletePages" rows="10" cols="80"></textarea>' +
'<br /><br /><table style="background-color:transparent">' +
'<tr><td>Common reasons:</td>' +
'<td><select id="wpMassDeleteReasons">' +
'<optgroup label="Other reason">' +
'<option value="other">Other reason</option>' +
'</optgroup>' +
'<optgroup label="Global sysop/Steward reasons">' +
'<optgroup label="Global sysop reasons">' +
'<option value="Spam or promotional ([[:m:GS|global sysop]] action)">Spam</option>' +
'<option value="Vandalism ([[:m:GS|global sysop]] action)">Vandalism</option>' +
'<option value="No useful content ([[:m:GS|global sysop]] action)">No useful content</option>' +
'<option value="Nonsense ([[:m:GS|global sysop]] action)">Nonsense</option>' +
'<option value="Test page ([[:m:GS|global sysop]] action)">Test page</option>' +
'<option value="Not written in this project\'s language ([[:m:GS|global sysop]] action)">Not written in this project\'s language</option>' +
'<option value="Requested by the author ([[:m:GS|global sysop]] action)">Requested by the author</option>' +
'<option value="Outside the project\'s scope ([[:m:GS|global sysop]] action)">Outside the project\'s scope</option>' +
'<option value="Empty ([[:m:GS|global sysop]] action)">Empty</option>' +
'<option value="Unneeded or broken redircet ([[:m:GS|global sysop]] action)">Unneeded or broken redircet</option>' +
'</optgroup>' +
'<optgroup label="Steward reasons">' +
'<option value="Spam or promotional ([[:m:Stewards|steward]] action)">Spam</option>' +
'<option value="Vandalism ([[:m:Stewards|steward]] action)">Vandalism</option>' +
'<option value="No useful content ([[:m:Stewards|steward]] action)">No useful content</option>' +
'<option value="Nonsense ([[:m:Stewards|steward]] action)">Nonsense</option>' +
'<option value="Test page ([[:m:Stewards|steward]] action)">Test page</option>' +
'<option value="Not written in this project\'s language ([[:m:Stewards|steward]] action)">Not written in this project\'s language</option>' +
'<option value="Requested by the author ([[:m:Stewards|steward]] action)">Requested by the author</option>' +
'<option value="Outside the project\'s scope ([[:m:Stewards|steward]] action)">Outside the project\'s scope</option>' +
'<option value="Empty ([[:m:Stewards|steward]] action)">Empty</option>' +
'<option value="Unneeded or broken redircet ([[:m:Stewards|steward]] action)">Unneeded or broken redircet</option>' +
'</optgroup>' +
'</optgroup>' +
'</select></td></tr>' +
'<tr><td>Other/additional reason:</td>' +
'<td><input type="text" id="wpMassDeleteReason" name="wpMassDeleteReason" maxlength="255" /></td></tr>' +
'<tr><td><input type="button" id="wpMassDeleteSubmit" name="wpMassDeleteSubmit" value="Delete" /></td>' +
'</form>';
document.getElementById("wpMassDeleteReasons").onchange = function() {
var maxlength = (document.getElementById("wpMassDeleteReasons").value == "other" ? 255 : 252-document.getElementById("wpMassDeleteReasons").value.length); //It's 252 because of the three characters (" ()") in addition to the selected summary.
document.getElementById("wpMassDeleteReason").setAttribute("maxlength", maxlength);
};
document.getElementById("wpMassDeleteSubmit").addEventListener("click", function (e) {
doMassDelete();
});
}
if(mw.config.get("wgNamespaceNumber") == -1 && (mw.config.get("wgTitle") == "Massdelete" || mw.config.get("wgTitle") == "MassDelete") && (/sysop/.test(mw.config.get("wgUserGroups")) || (/global-sysop/.test(mw.config.get("wgGlobalGroups")) || (/steward/.test(mw.config.get("wgGlobalGroups")) ) ) ) ) $(massdeleteform);
{
var newElement = mw.util.addPortletLink( 'p-cactions', '/wiki/Special:MassDelete', 'Mass Delete', 'ca-massdelete', 'Go for Mass Delete' );
}
} );