User:Bosco/Unsigned helper.js: Difference between revisions

(function () {
	const months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];

	function makeUnsignedTemplate(user, timestamp, template) {
		const ts = new Date(timestamp);
		let h = ts.getUTCHours();
		if (h < 10)
			h = '0' + h;
		let m = ts.getUTCMinutes();
		if (m < 10)
			m = '0' + m;
		const formattedTimestamp = `${h}:${m}, ${ts.getUTCDate()} ${months[ts.getUTCMonth()]} ${ts.getUTCFullYear()} (UTC)`;
		return '\x7b\x7bsubst:' + template + '|' + user + '|' + formattedTimestamp + '\x7d\x7d';
	}

	function appendToEditSummary(newSummary) {
		const editSummaryField = $("#wpSummary:first");
		if (editSummaryField.length == 0) {
			console.warn('Cannot find edit summary text field.');
			return;
		}
		const oldText = editSummaryField.val().trimEnd();
		// get text without trailing whitespace
		let newText = "";
		if (oldText.match(/[*]\/$/)) {
			// check if "/* section name */" is present
			newText = oldText + " " + newSummary;
		} else if (oldText.length != 0) {
			newText = oldText + ", " + newSummary;
		} else {
			newText = newSummary;
		}
		editSummaryField.val(newText);
	}

	window.unsignedHelperAddUnsignedTemplate = function(evt) {
		mw.loader.using(['mediawiki.util', 'jquery.ui'], function () {
			var f = document.getElementById('editform');
			var e = f.elements.wpTextbox1;
			var pos = $(e).textSelection('getCaretPosition', { startAndEnd: true });
			var txt;
			if (pos[0] != pos[1]) {
				txt = e.value.substring(pos[0], pos[1]);
				pos = pos[1];
			} else {
				pos = pos[1];
				if (pos <= 0)
					pos = e.value.length;
				txt = e.value.substr(0, pos);
				txt = txt.replace(new RegExp('[\\s\\S]*\\d\\d:\\d\\d, \\d+ (' + months.join('|') + ') \\d\\d\\d\\d \\(UTC\\)'), '');
				txt = txt.replace(/[\s\S]*\n=+.*=+\s*\n/, '');
			}
			txt = txt.replace(/^\s+|\s+$/g, '');

			var rvct = 1;
			var dialog = $('<div>Examining revision 1...</div>').dialog({
				buttons: {
					Cancel: function () {
						dialog.dialog('close');
					} },
				modal: true,
				title: 'Adding \x7b\x7bunsigned\x7d\x7d'
			});

			var revid, user, ts, comment, template;
			var q = {
				url: mw.util.wikiScript('api'),
				dataType: 'json',
				type: 'POST',
				data: {
					format: 'json',
					action: 'query',
					titles: mw.config.get('wgPageName'),
					prop: 'revisions',
					rvprop: 'ids|timestamp|user|parsedcomment|content',
					rvlimit: 1,
					rawcontinue: 1
				},
				success: function (r, sts, xhr) {
					if (!dialog.dialog('isOpen'))
						return;

					if (!r.query || !r.query.pages) {
						dialog.html('<span style="color:red"><b>Error:</b> Bad response from API</span>');
						if (window.console && typeof (window.console.error) == 'function')
							window.console.error("Bad response", r);
						return;
					}

					for (var k in r.query.pages) {
						var rr = r.query.pages[k].revisions[0];
						var cont = function () {
							if (r['query-continue'] && r['query-continue'].revisions) {
								dialog.html('Evaluating revision ' + (++rvct) + '...');
								q.data.rvcontinue = r['query-continue'].revisions.rvcontinue;
								$.ajax(q);
							} else {
								var t = makeUnsignedTemplate(user, ts, template);
								var tt = e.value.substr(0, pos).replace(/\s*$/, ' ') + t;
								e.value = tt + e.value.substr(pos);
								$(e).textSelection('setSelection', {
									start: tt.length });
								appendToEditSummary(`mark unsigned [[Special:Diff/${revid}]]`);
								dialog.dialog('close');
							}
						};

						if (typeof (rr['*']) != 'undefined' && rr['*'].indexOf(txt) < 0) {
							if (!user) {
								dialog.html('<span style="color:red"><b>Error:</b> Text was not found in the starting revision! Did you edit it?</span>');
								return;
							}
							var cb = function () {
								var t = makeUnsignedTemplate(user, ts, template);
								var tt = e.value.substr(0, pos).replace(/\s*$/, ' ') + t;
								e.value = tt + e.value.substr(pos);
								$(e).textSelection('setSelection', {
									start: tt.length });
								appendToEditSummary(`unsigned [[Special:Diff/${revid}]]`);
								dialog.dialog('close');
							};
							if (/reverted|undid/i.test(comment)) {
								var dialog2 = $('<div>')
									.append(
										'The ',
										$('<a>').prop({
											href: '/w/index.php?diff=prev&oldid=' + revid, target: '_blank' }).text('found revision'),
										' may be a revert: ',
										comment
									)
									.dialog({
										title: "Possible revert!",
										modal: true,
										buttons: {
											"Use that revision": function () {
												dialog2.dialog('close');
												cb();
											},
											"Keep looking": function () {
												dialog2.dialog('close');
												cont();
											},
											"Cancel": function () {
												dialog2.dialog('close');
												dialog.dialog('close');
											},
										}
									});
							} else {
								cb();
							}
						} else {
							revid = rr.revid;
							user = rr.user;
							ts = rr.timestamp;
							comment = rr.parsedcomment;
							if (typeof (rr.anon) !== 'undefined') {
								template = 'Unsigned IP';
							} else if (typeof (rr.temp) !== 'undefined') {
								// Seems unlikely "temporary" users will have a user page, so this seems the better template for them for now.
								template = 'Unsigned IP';
							} else {
								template = 'Unsigned';
							}
							cont();
						}
						return;
					}
					dialog.html('<span style="color:red"><b>Error:</b> No revisions found in the page!</span>');
				},
				error: function (xhr, textStatus, errorThrown) {
					if (!dialog.dialog('isOpen'))
						return;
					dialog.html('<span style="color:red"><b>Error:</b> ' + textStatus + ' ' + errorThrown + '</span>');
				}
			};
			if (f.elements.baseRevId)
				q.data.rvstartid = f.elements.baseRevId.value;
			$.ajax(q);
		});
		evt.preventDefault();
		evt.stopPropagation();
		return false;
	}
	
	if (!window.charinsertCustom)
		window.charinsertCustom = {};
	if (!window.charinsertCustom['Insert'])
		window.charinsertCustom['Insert'] = '';
	window.charinsertCustom['Insert'] += ' \x7b\x7bunsigned\x7d\x7d\x10unsignedHelperAddUnsignedTemplate';
	if (!window.charinsertCustom['Wiki markup'])
		window.charinsertCustom['Wiki markup'] = '';
	window.charinsertCustom['Wiki markup'] += ' \x7b\x7bunsigned\x7d\x7d\x10unsignedHelperAddUnsignedTemplate';
	if (window.updateEditTools)
		window.updateEditTools();
})();