MediaWiki:Tibiadrome.js

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if (typeof mw !== 'undefined') {
  mw.loader.addScriptTag('/index.php?title=MediaWiki:luxon.min.js&action=raw&ctype=text/javascript', ready)
}

function ready () {
  $('#tibiadrome_cal').html('' +
    '<table style="width:100%; margin:0px;">' +
    '<tbody>' +
    '<tr>' +
    '<td style="width:20%; text-align:right;"><b>Rotação:</b></td>' +
    '<td style="width:80%; text-align:left; vertical-align:top;" id="tibiadrome_rot">-</td>' +
    '</tr>' +
    '<tr>' +
    '<td style="width:20%; text-align:right;"><b>Início:</b></td>' +
    '<td style="width:80%; text-align:left; vertical-align:top;" id="tibiadrome_start">-</td>' +
    '</tr>' +
    '<tr>' +
    '<td style="width:20%; text-align:right;"><b>Fim:</b></td>' +
    '<td style="width:80%; text-align:left; vertical-align:top;" id="tibiadrome_end">-</td>' +
    '</tr>' +
    '</td></tr></tbody></table>')
  updateTibiadrome()
  setInterval(updateTibiadrome, 60 * 1000)
}

function updateTibiadrome () {
  const secondRotation = luxon.DateTime.fromSeconds(1627372800).setZone('Europe/Berlin') // July 27, 2021 10:00:00 (CEST)
  const now = luxon.DateTime.now().setZone('Europe/Berlin')
  let rot = 2
  for (let i = 0; secondRotation.plus({ days: i * 14 }) < now; i++) {
    rot = 2 + i
  }

  const start = luxon.DateTime.fromSeconds(secondRotation.plus({ days: (rot - 2) * 14 }).toUnixInteger())
  const end = luxon.DateTime.fromSeconds(secondRotation.plus({ days: (rot - 1) * 14 }).toUnixInteger())
  const f = luxon.DateTime.DATETIME_SHORT
  f.timeZoneName = 'short'

  $('#tibiadrome_rot').text('#' + rot)
  $('#tibiadrome_start').text(start.toLocaleString(f) + ' (' + start.toRelative() + ')')
  $('#tibiadrome_end').text(end.toLocaleString(f) + ' (' + end.toRelative() + ')')
}