Suradnik:NguoiDungKhongDinhDanh/RevdelOldFileVersions.js

//delete old versions of an image
////Code partially adapted from https://en.wikipedia.org/wiki/User:Animum/massdelete.js
// Author: hr:User:Ivi104

mw.loader.using(['mediawiki.api', 'mediawiki.Title'], function() {
	"use strict";

	var config = mw.config.get(['wgNamespaceNumber', 'wgTitle', 'wgUserGroups', '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(),
			wpMassDeleteReason = document.getElementById("wpMassDeleteReason").value,
			deleted = 0,
			failed = [],
			error = [],
			deferreds = [],
			reason = wpMassDeleteReason,
			onSuccess = function() {
				deleted++;
				document.getElementById("wpMassDeleteSubmit").value = "(" + deleted + ")";
			};

		function makeDeleteFunc(article) {
			return function() {
				return $.Deferred(function(deferred) {
					var promise = api.post({
						"action": "query",
						"format": "json",
						"prop": "imageinfo",
						"titles": article,
						"iiprop": "archivename",
						"iilimit": "50",
						"iilocalonly": 1
					});
					promise.done(function(data) {
						var imgArchiveIDArray = [];
						var imgTitle = '';
						var pages = data.query.pages,
							p;
						for (p in pages) {
							imgArchiveIDArray = pages[p].imageinfo;
							imgTitle = pages[p].title;
						}
						console.log(imgTitle);
						console.log(imgArchiveIDArray);

						var promiseDeleted = Promise.resolve();


						imgArchiveIDArray.forEach(function(entry) {
							if (entry.archivename) {
								promiseDeleted = promiseDeleted.then(function() {
									api.postWithToken('csrf', {
										"action": "revisiondelete",
										"format": "json",
										"type": "oldimage",
										"target": imgTitle,
										"ids": entry.archivename.split('!')[0],
										"hide": "content",
										"reason": wpMassDeleteReason,
									});
									return new Promise(function(resolve) {
										setTimeout(resolve, 1000);
									});
								});
							}
						});
					});
					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;
		switch (mw.config.get('skin')) {
			case 'modern':
				bodyContent = 'mw_contentholder';
				break;
			case 'cologneblue':
				bodyContent = 'article';
				break;
			case 'vector':
			case 'monobook':
			case 'vector':
			default:
				bodyContent = 'bodyContent';
				break;
		}
		document.getElementsByTagName("h1")[0].textContent = "Ivi104's old file revision-deletion tool";
		document.title = "Ivi104's old file version deletion tool";
		document.getElementById(bodyContent).innerHTML = '<h3 id="siteSub">From Wikipedia, the free encyclopedia</h3><br /><br />' +
		'This tool will <b>hide</b> all versions of a file except the current one.<br /><br />' +
			'<form id="wpMassDelete" name="wpMassDelete">' +
			'<b>If you abuse this tool, it\'s <i>your</i> fault, not mine.</b>' +
			'<div id="wpMassDeleteFailedContainer"></div>' +
			'<br /><br />' +
			'Pages to delete (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>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("wpMassDeleteSubmit").addEventListener("click", function(e) {
			doMassDelete();
		});
	}

	if (mw.config.get('wgNamespaceNumber') == -1 &&
		mw.config.get('wgCanonicalSpecialPageName') === 'Blankpage' &&
		(mw.config.get('wgUserGroups').indexOf('eliminator') !== -1 ||
		mw.config.get('wgUserGroups').indexOf('sysop') !== -1) &&
		mw.config.get('wgTitle').split('/',2)[1] === 'MassFileRevDel') {
			massdeleteform();
	}
});