%header.calendar-header
  - if params[:year]
    = link_to start_date: start_date.beginning_of_month do
      = I18n.t('date.month_names')[start_date.month]
      = start_date.year
  - else
    = link_to '<<', start_date: (date_range.first - 1.day).beginning_of_month
    = I18n.t('date.month_names')[start_date.month]
    = link_to root_path(year: start_date.year) do
      = start_date.year
    = link_to '>>', start_date: (date_range.last + 1.day).beginning_of_month

%table.table.table-striped
  %thead
    %tr
      - date_range.slice(0, 7).each do |day|
        %th= I18n.t('date.day_names')[day.wday]
  %tbody
    - date_range.each_slice(7) do |week|
      %tr
        - week.each do |day|
          = content_tag :td, class: calendar.td_classes_for(day) do
            = block.call day, sorted_events.fetch(day, [])