gistfile1.coffee

App.AgendaController = SC.Object.extend
  month: (->
    if m = /agenda\/(\d+)/.exec(@get('subpath'))
      Number(m[1])
    else
      (new Date).getMonth() + 1
  ).property('subpath').cacheable()

  year: (->
    if m = /agenda\/\d+\/(\d+)/.exec(@get('subpath'))
      Number(m[1])
    else
      (new Date).getFullYear()
  ).property('subpath').cacheable()

  firstDate: (->
    new Date(@get('year'), @get('month') - 1, 1)
  ).property('month', 'year').cacheable()