danielres/expresto_BDD

class ExpressionPresenter < BasePresenter

  def to_html state = :individual
    case state
      when :individual then individual_layout
      when :list_item  then list_item
    end
  end


  private

    def individual_layout
      row( 'menus'      ){ menus      } +
      row( 'expression' ){ individual } +
      row( 'details'    ){ details    } +
      todo{ row { examples + tags + illustrations } } +
      todo{ row { similar                         } }
    end

    def list_item
      render 'expressions/show/expression',
              tag:              :li,
              expression:       @model,
              lang:             lang,
              body:             div( class: 'body' ){ h.link_to @model, @model },
              creation_details: creation_details,
              avatar:           nil,
              comments_preview: comments_preview

    end

    def individual
      render 'expressions/show/expression',
              tag:              :div,
              expression:       @model,
              lang:             lang,
              body:             div( class: 'body' ){ h2{ @model.body } },
              creation_details: creation_details,
              avatar:           avatar,
              comments_preview: nil

    end

    def menus
      render 'expressions/show/menus',         expression: @model
    end

    def details
      render 'expressions/show/details',       expression: @model, author_expressions: author_expressions
    end

    def author_expressions
      Expression.where(author_id: @model.author.id).limit(5).map do |e|
        li{ ExpressionPresenter.new( @context, e ).to_html(:list_item) }
      end.join.html_safe
    end

    def examples
      render 'expressions/show/examples',      expression: @model
    end

    def tags
      render 'expressions/show/tags',          expression: @model
    end

    def illustrations
      render 'expressions/show/illustrations', expression: @model
    end

    def similar
      render 'expressions/show/similar',       expression: @model
    end

    def avatar
      div( class: 'avatar-small pull-right' ){
        h.link_to h.avatar_image_for( @model.author, size: 48 ), @model.author
      }
    end

    def lang
      @model.language.code
    end

    def creation_details
      content_tag(:small) do
        "#{author} #{ago}".html_safe
      end
    end

    def author
      translation_key = @model.created_by_author == true ? :created_and_added_by : :added_by
      span( class: 'author'){ t( translation_key, author: h.link_to_unless(h.current_page?(h.user_path(a=@model.author)), a, a)).html_safe }
    end

    def ago
      span( class: 'ago'   ){ t(:time_ago, time: h.time_ago_in_words(@model.created_at)) }
    end

    def comments_preview
      if @model.comments.any?
        div( class: ['muted', 'small'] ) do
          icon_comment + t( :comments, count: @model.comments.count )
        end
      end
    end

end