For wwwermishel. Example.

campaigns_helper.rb

module CampaignsHelper

  COLORS = [
    { percents:  [-1],    color: 'gray',   message: 'no_capping'},
    { percents:  0..30,   color: 'red',    message: 'msg'},
    { percents:  30..70,  color: 'yellow', message: 'msg'}, 
    { percents:  70..100, color: 'green',  message: 'msg'}
  ]

  def campaign_state(draft_campaign)
    campaign = Campaign.find(draft_campaign.campaign_id)
    data =
      if campaign.has_freq_cap_ecpm_calculating
        percent = campaign_capping_percent(campaign)
        select_colors_data(percent)
      else
        select_colors_data(-1)
      end
    get_state_html(data[:color], data[:msg], data[:percent])
  end

  def get_state_html(color, msg, percent = nil)
    haml_tag :span, class: "campaign_state #{color}", title: t("direct_offers.index.headers.states.#{msg}", percent: percent)
  end

  def select_colors_data(percents_value)
    COLORS.detect{|data| data[:percents].to_a.include?(percents_value.to_i)}
  end

  def campaign_capping_percent(campaign)
    if campaign.frequency_capping_value.to_i.zero?
      0.0
    else
      campaign.frequency_capping_counter.to_i * 100 / campaign.frequency_capping_value.to_f
    end
  end

end