osem-fcy/app/views/shared/_object_changes.html.haml

.col-md-10.col-md-offset-1.changeset{id: "changeset-#{version.id}"}
  %br
  %br
  %table.table.table-bordered.table-hover
    %thead
      %tr
        %th Updated Attribute
        - if version.event != 'create'
          %th Previous Value
        - if version.event != 'destroy'
          %th New Value
        - if can? :revert_attribute, version
          %th Action
    %tbody
      - if version.event != 'destroy'
        - version.changeset.reject{ |_, values| values[0].blank? && values[1].blank? }.each do |attribute, values|
          %tr
            %td= attribute

            - if attribute.include?('_id')
              - model_name = attribute.chomp('_id').camelize
              - if version.event != 'create'
                %td
                  = object_last_description(model_name, values[0])
                  = "(ID: #{values[0].blank? ?  '-' : values[0]})"
              %td
                = object_last_description(model_name, values[1])
                = "(ID: #{values[1].blank? ?  '-' : values[1]})"

            - else
              - if version.event != 'create'
                %td= values[0].blank? ?  '-' : values[0]
              %td= values[1].blank? ?  '-' : values[1]

            - if can? :revert_attribute, version
              %td= link_to 'Revert', admin_revision_history_revert_attribute_path(id: version.id, attribute: attribute), class: 'btn btn-sm btn-primary', data: { confirm: "Are you sure you want to revert #{attribute}?" }
      - else
        - version.reify.attributes.each do |attribute, value|
          %tr
            %td= attribute

            - if attribute.include?('_id')
              - model_name = attribute.chomp('_id').camelize
              %td
                = object_last_description(model_name, value)
                = "(ID: #{value.blank? ?  '-' : value})"
            - else
              %td= value.blank? ?  '-' : value