mw.loader.using([
'mediawiki.api', 'mediawiki.util', 'oojs-ui-core', 'mediawiki.widgets',
'jquery.tablesorter', 'oojs-ui.styles.icons-interactions',
'mediawiki.interface.helpers.styles'
], function moveHistoryCore() {
mw.util.addCSS('.movehistory .oo-ui-radioOptionWidget{display:inline-table} .movehistory .oo-ui-radioOptionWidget{margin-right:8px} .movehistory .mw-widget-dateInputWidget{width:8em} .movehistory > table{margin-top:0}');
let $div = $('<div>').addClass('movehistory');
let $status = $('<div>').addClass('small'), $trail = $('<p>'), $table, $tbody;
let button = new OO.ui.ButtonInputWidget({
label: 'Search',
flags: ['primary', 'progressive'],
type: 'submit'
});
let directionInput = new OO.ui.RadioSelectInputWidget({
options: [
{ data: 'newer', label: 'Oldest first' },
{ data: 'older', label: 'Newest first' }
]
});
let sinceInput = new mw.widgets.DateInputWidget({
placeholderLabel: 'Since',
displayFormat: 'YYYY-MM-DD'
});
let untilInput = new mw.widgets.DateInputWidget({
placeholderLabel: 'Until',
displayFormat: 'YYYY-MM-DD'
});
let form = new OO.ui.FormLayout({
items: [
button,
directionInput,
new OO.ui.HorizontalLayout({ items: [sinceInput, untilInput] })
],
classes: ['oo-ui-horizontalLayout']
});
let inputs = [button, directionInput, sinceInput, untilInput];
let setDisabledAll = disabled => {
inputs.forEach(input => {
input.setDisabled(disabled);
});
};
let currentName = mw.config.get('wgPageName').replace(/_/g, ' ');
let api, rvcontinue, ascending, isComplete, lastDate;
let modified, prevDir, prevSince, prevUntil;
let loadRevs = () => {
if (modified) {
reset();
} else if (isComplete) {
loadMoves();
return;
}
setDisabledAll(true);
let dir = directionInput.getValue();
prevDir = dir;
ascending = dir === 'newer';
let since = sinceInput.getValue();
prevSince = since;
since = (since || '2005-06-25') + 'T00:00:00Z';
let until = untilInput.getValue();
prevUntil = until;
until = until ? until + 'T23:59:59Z' : undefined;
$status.text(`Loading history${lastDate ? (ascending ? ' after ' : ' before ') + lastDate : ''}...`);
if (!api) api = new mw.Api({
ajax: { headers: { 'Api-User-Agent': 'MoveHistory (https://en.wikipedia.org/wiki/User:Nardog/MoveHistory)' } }
});
api.get({
action: 'query',
titles: currentName,
prop: 'revisions',
rvstart: ascending ? since : until,
rvend: ascending ? until : since,
rvdir: dir,
rvprop: 'sha1|timestamp|user|comment',
rvlimit: 'max',
rvcontinue: rvcontinue,
formatversion: 2
}).always((response, errorObj) => {
let errorMsg = ((errorObj || {}).error || {}).info;
if (!response || typeof response === 'string' || errorMsg) {
button.setDisabled(false);
$status.text('Error retrieving revisions' + (errorMsg ? ': ' + errorMsg : ''));
return;
}
processRevs(((((response || {}).query || {}).pages || [])[0] || {}).revisions || []);
rvcontinue = ((response || {}).continue || {}).rvcontinue;
if (!rvcontinue) isComplete = response.batchcomplete;
loadMoves();
});
};
let lastRev, candidates = [], revCount = 0;
let processRevs = revs => {
revCount += revs.length;
if (lastRev) revs.unshift(lastRev);
let increment = ascending ? -1 : 1;
revs.forEach((rev, i) => {
if (!(rev.comment && rev.user && rev.sha1)) return;
let comp = revs[i + increment];
if (!comp || comp.sha1 !== rev.sha1) return;
let matches = rev.comment.match(/\[\[:?([^\]]+)\]\].+?\[\[:?([^\]]+)\]\]/);
if (matches) rev.matches = matches.slice(1);
candidates.push(rev);
});
lastRev = revs.pop();
lastDate = lastRev.timestamp;
};
let titles = new Set(), processed = new Set(), missing = new Set();
let loadMoves = () => {
let rev = candidates.shift();
let titlesArg = [...titles].filter(t => !processed.has(t)).join('|') || undefined;
if (!rev && !titlesArg) {
finish();
return;
}
let args = {
action: 'query',
titles: titlesArg,
formatversion: 2
};
if (rev) {
$status.text(`Seeing if there was a move at ${rev.timestamp}...`);
let date = Date.parse(rev.timestamp) / 1000;
Object.assign(args, {
list: 'logevents',
letype: 'move',
lestart: date + 60,
leend: date,
leprop: 'details|title|user|parsedcomment',
lelimit: 'max'
});
}
api.get(args).always((response, errorObj) => {
let errorMsg = ((errorObj || {}).error || {}).info;
if (!response || typeof response === 'string' || errorMsg) {
button.setDisabled(false);
$status.text('Error retrieving moves' + (errorMsg ? ': ' + errorMsg : ''));
return;
}
(((response || {}).query || {}).pages || []).forEach(page => {
processed.add(page.title);
if (page.missing) missing.add(page.title);
});
(((response || {}).query || {}).logevents || []).reverse().some(le => {
if (le.user !== rev.user || !rev.comment.includes(le.title)) return;
let target = ((le || {}).params || {}).target_title;
if (!target || !rev.comment.includes(target)) return;
if (rev.matches && [le.title, target].some(s => !rev.matches.includes(s))) return;
addRow(rev.timestamp, le.title, target, le.user, le.parsedcomment);
return true;
});
loadMoves();
});
};
let arrow = document.dir === 'rtl' ? ' ← ' : ' → ', lastName, count = 0;
let addRow = (date, from, to, user, comment) => {
if (!count) {
lastName = ascending ? from : to;
$trail.append(makeLink(lastName));
}
if (ascending) {
if (lastName !== from) $trail.append(' ... ', makeLink(from));
$trail.append(arrow, makeLink(to));
lastName = to;
} else {
if (lastName !== to) $trail.prepend(makeLink(to), ' ... ');
$trail.prepend(makeLink(from), arrow);
lastName = from;
}
if (!$table) {
$tbody = $('<tbody>');
$table = $('<table>').addClass('wikitable sortable').append(
$('<tr>').append(
$('<th>').text('Date'),
$('<th>').text('From'),
$('<th>').text('To'),
$('<th>').text('Performer'),
$('<th>').text('Comment')
).wrap('<thead>').parent(),
$tbody
);
}
$('<tr>').append(
$('<td>').append(
$('<a>', {
href: mw.util.getUrl(currentName, { action: 'history', offset: Number(date.replace(/\D/g, '')) + 1 }),
text: date
})
),
$('<td>').append(makeLink(from)),
$('<td>').append(makeLink(to)),
$('<td>').append(
$('<a>', {
href: mw.util.getUrl('User:' + user),
text: user
}),
' ',
$('<span>').addClass('mw-changeslist-links').append(
$('<a>', {
href: mw.util.getUrl('User talk:' + user),
text: 'talk',
}).wrap('<span>').parent(),
$('<a>', {
href: mw.util.getUrl('Special:Contributions/' + user),
text: 'contribs'
}).wrap('<span>').parent()
)
),
$('<td>').append(comment)
).appendTo($tbody);
$table.insertAfter($trail);
count++;
};
let blueLinks = {};
let makeLink = name => {
if (name === currentName) {
return name;
} else if (missing.has(name)) {
return $('<a>', {
class: 'new',
href: mw.util.getUrl(name, { action: 'edit', redlink: 1 }),
text: name
});
} else {
let $link = $('<a>', {
href: mw.util.getUrl(name, { redirect: 'no' }),
text: name
});
if (blueLinks[name]) {
blueLinks[name] = blueLinks[name].add($link);
} else {
blueLinks[name] = $link;
}
titles.add(name);
return $link;
}
};
let i = 0, lastCount = 0, prevLabel, prevDisabled;
let finish = () => {
missing.forEach(name => {
if (!blueLinks[name]) return;
blueLinks[name].attr({
class: 'new',
href: mw.util.getUrl(name, { action: 'edit', redlink: 1 })
});
delete blueLinks[name];
});
setDisabledAll(false);
$status.text(`Found ${count} move${count === 1 ? '' : 's'} in ${revCount.toLocaleString()} revisions${isComplete ? '' : (ascending ? ' until ' : ' since ') + lastDate}${count ? ':' : ''}`);
if (isComplete) {
button.setLabel(count ? 'No more results' : 'No results').setDisabled(true);
} else {
if (++i >= 4 || count - lastCount) {
button.setLabel('Continue');
i = 0;
} else {
loadRevs();
return;
}
lastCount = count;
}
prevLabel = button.getLabel();
prevDisabled = button.isDisabled();
if ($table) {
if ($table.hasClass('jquery-tablesorter'))
$table.remove().insertAfter($trail);
$table.tablesorter();
}
};
let reset = () => {
rvcontinue = undefined;
isComplete = false;
lastRev = undefined;
lastDate = undefined;
candidates = [];
revCount = 0;
count = 0;
lastCount = 0;
$trail.empty();
if ($table) $table.detach().find('tr:not(:first-child)').remove();
modified = false;
};
let updateForm = () => {
let since = sinceInput.getValue(), until = untilInput.getValue();
let invalid = since && until && since > until;
sinceInput.setValidityFlag(!invalid);
invalid = invalid || until && until < '2005-06-25';
untilInput.setValidityFlag(!invalid);
if (!prevLabel) {
button.setDisabled(invalid);
return;
}
if (directionInput.getValue() === prevDir &&
since === prevSince && until === prevUntil
) {
button.setLabel(prevLabel).setDisabled(invalid || prevDisabled);
modified = false;
} else {
button.setLabel('Search').setDisabled(invalid);
modified = true;
}
};
directionInput.on('change', updateForm);
sinceInput.on('change', updateForm);
untilInput.on('change', updateForm);
button.on('click', loadRevs);
$div.append(form.$element, $status, $trail);
$('<h2>').text('Move history').prependTo('#mw-content-text').after($div);
});
