Module: Neuron::Client::ZoneCalculations

Included in:
Zone
Defined in:
lib/neuron-client/model/zone_calculations.rb

Instance Method Summary collapse

Instance Method Details

#ads_by_priority ⇒ Object

This module expects the following methods to be defined:

ad_links (Hash, keys are ad IDs, values are a sub-hash: => p, ‘weight’ => w) find_ad(ad_id) (nil, or an object that responds to :active? and :pressure)



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# File 'lib/neuron-client/model/zone_calculations.rb', line 9

def ads_by_priority
  calculate_ads_by_priority
end

#calculate_ads_by_priority ⇒ Object 



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# File 'lib/neuron-client/model/zone_calculations.rb', line 13

def calculate_ads_by_priority
  entries = {}
  ad_links.each do |ad_id, link|
    next unless ad = find_ad(ad_id)
    pressure = ad.active? ? ad.pressure : nil
    next if pressure.nil?
    weight   = link['weight'].to_f
    priority = link['priority'].to_f
    entries[priority] ||= []
    entries[priority] << [ad_id, weighted_pressure(weight, pressure)]
  end
  entries.sort_by do |priority, entry|
    priority
  end.map do |priority, entry|
    entry.sort_by(&:first)
  end
end