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User:Ahecht/Scripts/massmove.js

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//jshint maxerr:512
var massMoveTitle = "Mass-move tool";
/*Forked version of [[User:Plastikspork/massmove.js]] that adds a link to the left column
and allows adding and removing both prefixes and suffixes

Add the following line to [[Special:MyPage/common.js]] or [[:meta:Special:MyPage/global.js]] to install:

mw.loader.load( '//en.wikipedia.org/w/index.php?title=User:Ahecht/Scripts/massmove.js&action=raw&ctype=text/javascript' ); //[[User:Ahecht/Scripts/massmove.js]] [[User:Plastikspork/massmove.js]]
 
Click on "Mass move" under "Tools" to use the script.*/

if (/sysop|extendedmover/.test(mw.config.get("wgUserGroups"))) {
	mw.util.addPortletLink("p-tb", "/wiki/Special:Massmove", "Mass move", "p-massmove", "Mass move");
}

// Adapted from [[User:Animum/massdelete.js]]
function massMoveGetValues() {
		return {reason: document.getElementById("wpMassMoveReason").value,
			oldPrefix: document.getElementById("wpMassMovePrefix1").value,
			newPrefix: document.getElementById("wpMassMovePrefix2").value,
			oldSuffix: document.getElementById("wpMassMoveSuffix1").value,
			newSuffix: document.getElementById("wpMassMoveSuffix2").value,
			watch: document.getElementById("wpMassMoveWatch").value,
			pipeTrick: document.getElementById("wpMassMovePipeTrick").checked,
			leaveRedirect: document.getElementById("wpMassMoveLeaveRedirect").checked,
			noRatelimit: document.getElementById("wpMassMoveNoRatelimit").checked,
			moveTalk: document.getElementById("wpMassMoveMoveTalk").checked,
			moveSubPages: document.getElementById("wpMassMoveMoveSubPages").checked
		};
}

function massMoveReplace(s, values) {
	s = s.trim();
	if (values.pipeTrick) {
		s = s.replace(/^(?:\:)?(?:.*\:)?(.*?)(?:, .*)?$/,"$1").replace(/(.*?)(?: ?\(.*\))?$/, "$1");
	}
	if (s.substring(0,values.oldPrefix.length) == values.oldPrefix) {
		s = s.substring(values.oldPrefix.length);
	}
	if (s.substring(s.length - values.oldSuffix.length) == values.oldSuffix) {
		s = s.substring(0, s.length - values.oldSuffix.length);
	}
	return (values.newPrefix + s + values.newSuffix).trim();
}

function massMoveGetArticles() {
	var articles = document.getElementById("wpMassMovePages").value.split("\n");
	var ret = [];
	var i, len;
	for (i = 0, len = articles.length; i < len; i++) {
		var s = articles[i];
		s = s.trim();
		if (s) {
			ret.push(s);
		}
	}
	return ret;
}
	
function massMoveUpdatePreview() {
	var	articles = massMoveGetArticles();
	if (articles.length > 0) {
		var values = massMoveGetValues();
		var preview = [articles[0] + " → " + massMoveReplace(articles[0], values)];
		for (var i = 1, len = articles.length; i < len; i++) {
			preview.push(articles[i] + " → " + massMoveReplace(articles[i], values));
		}
		document.getElementById("wpMassMovePreview").value = preview.join("\n");
		document.getElementById("wpMassMoveSubmit").disabled = false;
	} else {
		document.getElementById("wpMassMovePreview").value = '';
		document.getElementById("wpMassMoveSubmit").disabled = true;
	}
}

jQuery(document).ready(function($) {
	var config = mw.config.get(['wgNamespaceNumber', 'wgTitle', 'wgUserGroups', 'skin']);
	
	function now() {
		return new Date().getTime();
	}

	function doMassMove() {
		var articles = massMoveGetArticles();
		if (!articles.length) {
			return;
		}
		var
			api = new mw.Api(),
			values = massMoveGetValues(),
			moved = 0,
			failed = [],
			error = [],
			deferreds = [],
			lastMoved = 0,
			onSuccess = function () {
				moved++;
				console.log(now() + ": Moved " + moved);
				mw.notify("Success! " + moved + " pages moved.", {type: 'success', tag: 'status', autoHide: true});
			};
		
		function delay(len) {
			return function() {
				return $.Deferred(function (deferred) {
					var interval = lastMoved + config.wait - now();
					if ( (len <= config.hits) || ((lastMoved + config.wait - now()) < 0) || values.noRatelimit ) {
						interval = 0;
					}
					console.log(now() + ': Waiting ' + interval + 'ms...');
					setTimeout(function () {
						console.log(now() + ': Done waiting.');
						deferred.resolve();
					}, interval);
				});
			};
		}
		
		function makeMoveFunc(article) {
			return function () {
				return $.Deferred(function (deferred) {
					var options = {
						format: 'json',
						action: 'move',
						watchlist: values.watch,
						from: article,
						to: massMoveReplace(article, values),
						reason: values.reason + ' ([[User:Ahecht/Scripts/massmove.js|' + massMoveTitle + ']])'
					};
					if (!values.leaveRedirect) {
						options.noredirect = '';
					}
					if (values.moveTalk) {
						options.movetalk = '';
					}
					if (values.moveSubPages) {
						options.movesubpages = '';
					}
					console.log(now() + ": Moving " + options.from + "→" + options.to);
					mw.notify("Moving " + options.from + " → " + options.to, {type: 'info', tag: 'status', autoHide: true});
					lastMoved = now();
					var promise = api.postWithEditToken(options);
					promise.done(onSuccess);
					promise.fail(function (code, obj) {
						failed.push(article);
						error.push(obj.error.info);
						console.warn(now() + ": Move failed (" + obj.error.info + ").");
						mw.notify("Move failed:  " + obj.error.info, {type: 'error', autoHide: true});
					});
					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 move 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 = makeMoveFunc(articles[0])();
		for (var i = 1, len = articles.length; i < len; i++) {
			deferred = deferred.then(delay(len));
			deferred = deferred.then(makeMoveFunc(articles[i]));
		}

		// Show the output and do cleanup once all the requests are done.
		$.when(deferred).then(function () {
			console.log(now() + ": Done! Moved " + moved);
			if (failed.length) {
				mw.notify("Done. " + moved + " pages moved, " + failed.length + " errors.", {type: 'warn', tag: 'mainNotify', autoHide: false});
				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);
				}
				$('#wpMassMoveFailedContainer')
					.append($('<br />'))
					.append($('<b>')
						.text('Failed moves:')
					)
					.append($failedList);
			} else {
				mw.notify("Done. " + moved + " pages moved.", {type: 'success', tag: 'mainNotify', autoHide: false});
			}
			document.getElementById("wpMassMoveSubmit").value = "Move";
			$("*", "#wpMassMove").not("#wpMassMovePreview").prop('disabled',false);
		});
	}
 
 	function getWait() {
 		config.hits=8; // default rate limit is 8/minute
 		config.seconds=60; // default rate limit is 8/minute
		config.wait = Math.ceil(config.seconds/config.hits) * 1000;
		new mw.Api().get({
    		meta: 'userinfo',
    		uiprop: 'ratelimits'
		}).fail(function(code, error) {
			console.warn(error);
			doMassMove();
		}).done( function(d) {
			if (d && d.query && d.query.userinfo && d.query.userinfo.ratelimits
					&& d.query.userinfo.ratelimits.move)
			{
				for (const property in d.query.userinfo.ratelimits.move) {
					var rlm = d.query.userinfo.ratelimits.move[property];
					if (rlm && rlm.hits && rlm.seconds) {
						console.log(property + " rate limit: " + rlm.hits + " moves every " + rlm.seconds + " seconds.");
						var thisWait = Math.ceil(rlm.seconds/rlm.hits) * 1000;
						if (thisWait < config.wait) {
							config.hits = rlm.hits;
							config.seconds = rlm.seconds;
							config.wait = thisWait;
							console.log("Calculated " + config.wait + "-millisecond wait between queries");
						}
					}
				}
			}
			mw.notify("Rate limit: " + config.hits + " moves every " + config.seconds + " seconds.", {type: 'info', tag: 'mainNotify', autoHide: false});
			doMassMove();
		});
	}
 
	function massMoveForm() {
		wpMassMoveStyle = document.createElement('style');
		wpMassMoveStyle.type = 'text/css';
		document.getElementsByTagName('head')[0].appendChild(wpMassMoveStyle);
		wpMassMoveStyle = document.styleSheets[document.styleSheets.length-1];
		if (typeof(wpMassMoveStyle.media) === 'string') { //IE compatability
			wpMassMoveStyle.addRule('td.mincol', 'width:1%; white-space:nowrap;');
			wpMassMoveStyle.addRule('td.maxcol', 'width:auto');
		} else if (typeof(wpMassMoveStyle.media) === 'object') { //Modern browsers
			wpMassMoveStyle.insertRule('td.mincol {width:1%; white-space:nowrap;}', wpMassMoveStyle.cssRules.length);
			wpMassMoveStyle.insertRule('td.maxcol {width:auto;}', wpMassMoveStyle.cssRules.length);
		}
		
		document.getElementById(config.bodyContent).innerHTML = config.wpMassMoveIntro +
			'<form id="wpMassMove" name="wpMassMove">' +
			'<b>If you abuse this tool, it\'s <i>your</i> fault, not mine.</b>' +
			'<div id="wpMassMoveFailedContainer"></div>' +
			'<br /><br />' +
				'Pages to move (one on each line, please):<br />' +
					'<textarea tabindex="1" accesskey="," name="wpMassMovePages" id="wpMassMovePages" rows="10" cols="80" oninput="massMoveUpdatePreview()"></textarea>' +
				'<br /><br /><table style="background-color:transparent">' +
				'<tr><td>Apply <a href="' + (mw.config.get('wgServer')+mw.config.get('wgArticlePath')).replace('$1','Help:Pipe_trick') + '">"Pipe Trick"</a> to old name:</td>' +
					'<td colspan="5"><input type="checkbox" id="wpMassMovePipeTrick" name="wpMassMovePipeTrick"/ oninput="massMoveUpdatePreview()"></td></tr>' +
				'<tr><td class="mincol">Prefix to remove from the old name (e.g., Template:):</td>' +
					'<td class="mincol"><input type="text" id="wpMassMovePrefix1" name="wpMassMovePrefix1" maxlength="255"  oninput="massMoveUpdatePreview()"/></td>' +
					'<td class="maxcol">&nbsp;</td>' +
					'<td class="mincol">Prefix to add to the new name (e.g., User:Plastikspork/):</td>' +
					'<td class="mincol"><input type="text" id="wpMassMovePrefix2" name="wpMassMovePrefix2" maxlength="255"  oninput="massMoveUpdatePreview()"/></td>' +
					'<td class="maxcol">&nbsp;</td></tr>' +
				'<tr><td class="mincol">Suffix to remove from the old name (e.g., /sandbox):</td>' +
					'<td class="mincol"><input type="text" id="wpMassMoveSuffix1" name="wpMassMoveSuffix1" maxlength="255"  oninput="massMoveUpdatePreview()"/></td>' +
					'<td class="maxcol">&nbsp;</td>' +
					'<td class="mincol">Suffix to add to the new name (e.g., /Archive_1):</td>' +
					'<td class="mincol"><input type="text" id="wpMassMoveSuffix2" name="wpMassMoveSuffix2" maxlength="255"  oninput="massMoveUpdatePreview()"/></td>' +
					'<td class="maxcol">&nbsp;</td></tr>' +
				'<tr><td class="mincol">Move associated talk page:</td>' +
					'<td class="mincol"><input type="checkbox" id="wpMassMoveMoveTalk" name="wpMassMoveMoveTalk" checked/></td>' +
					'<td class="maxcol">&nbsp;</td>' +
					'<td class="mincol">Leave a redirect behind:</td>' +
					'<td class="mincol"><input type="checkbox" id="wpMassMoveLeaveRedirect" name="wpMassMoveLeaveRedirect" checked/></td></tr>' +
				'<tr><td class="mincol">Move subpages (up to 100):</td>' +
					'<td class="mincol"><input type="checkbox" id="wpMassMoveMoveSubPages" name="wpMassMoveMoveSubPages" checked/></td>' +	
					'<td class="maxcol">&nbsp;</td>' +
					'<td class="mincol">Ignore ratelimit (may cause errors):</td>' +
					'<td class="mincol"><input type="checkbox" id="wpMassMoveNoRatelimit" name="wpMassMoveNoRatelimit"/></td></tr>' +
				'<tr><td>Watch source page and target page:</td>' +
						'<td colspan="5"><select id="wpMassMoveWatch">' +
							'<option value="nochange">No change</option>' +
							'<option value="preferences">User preferences</option>' +
							'<option value="watch">Add to watch list</option>' +
							'<option value="unwatch">Remove from watch list</option>' +
						'</select></td></tr>' +
				'<tr><td>Edit summary:</td>' +
					'<td colspan="4"><input type="text" id="wpMassMoveReason" name="wpMassMoveReason" maxlength="500" style="width:100%;" /></td>' +
					'<td class="maxcol">&nbsp;</td></tr></table>' +
				'<br /><br />Preview:<br />' +
					'<textarea disabled name="wpMassMovePreview" id="wpMassMovePreview" rows="10" cols="80"></textarea>' +
				'<br /><br /><input disabled type="button" id="wpMassMoveSubmit" name="wpMassMoveSubmit" value="Move" />' +
			'</form>';
		document.getElementById("wpMassMoveSubmit").addEventListener("click", function (e) {
			$('#wpMassMoveFailedContainer').empty();
			$("*", "#wpMassMove").prop('disabled',true);
			document.getElementById("wpMassMoveSubmit").value = "Moving...";
			getWait();
		});
	}
	
	function massMoveError() {
		document.getElementById(config.bodyContent).innerHTML = config.wpMassMoveIntro +
			'For more information, please feel free to contact the <a href="' + (mw.config.get('wgServer')+mw.config.get('wgArticlePath')).replace('$1','User:Ahecht') + '">script author</a>!';
	}
	 
	if(mw.config.get('wgNamespaceNumber') === -1 
		&& (mw.config.get('wgTitle') === "Massmove" || 
		mw.config.get('wgTitle') === "MassMove")
	) {
		document.getElementsByTagName("h1")[0].textContent = massMoveTitle;
		document.title = massMoveTitle + " - Wikipedia, the free encyclopedia";
	
		config.wpMassMoveIntro = '<div id="siteSub">From Wikipedia, the free encyclopedia</div>' +
			'<p>Adapted from Plastikspork\'s mass-move tool, which is in turn adapted from Animum\'s mass-delete tool and Timotheus Canens\'s mass-edit tool</p>' +
			'<br />' + 'This tool is restricted to editors in the <code>sysop</code> or <code>extendedmover</code> groups.' +
			'<br />' + 'Your user groups are: ' + mw.config.get('wgUserGroups') + '<br /><br />';

		if (config.skin == 'modern') {
			config.bodyContent = 'mw_contentholder';
		} else if (config.skin == 'cologneblue') {
			config.bodyContent = 'article';
		} else {
			config.bodyContent = 'bodyContent';
		}
		
		if (/sysop/.test(config.wgUserGroups) || /extendedmover/.test(config.wgUserGroups)) {
			$.when( $.ready, mw.loader.using(['mediawiki.util'])).done( massMoveForm );
		} else {
			$.when( $.ready, mw.loader.using(['mediawiki.util'])).done( massMoveError );
		}
	}
});