Class: PayoutSystem::PodiumSplit

Inherits:
Base
  • Object
show all
Defined in:
lib/payout_system/podium_split.rb

Instance Attribute Summary

Attributes inherited from Base

#entries, #logger, #options, #order, #pot

Instance Method Summary collapse

Methods inherited from Base

#initialize

Constructor Details

This class inherits a constructor from PayoutSystem::Base

Instance Method Details

#default_ratios ⇒ Object 



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# File 'lib/payout_system/podium_split.rb', line 9

def default_ratios
  [0.1, 0.2, 0.7]
end

#ratios ⇒ Object 



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# File 'lib/payout_system/podium_split.rb', line 13

def ratios
  temps = default_ratios

  results = []
  sorted_entry_groups.each do |points, entries|
    if entries.size == 1
      results << temps.pop
    else
      # pop number of times eq to entries size or pot size, whichever is smaller
      common_value = (0...([entries.size,temps.size].min)).to_a.inject(0) do |value, i|
        value += temps.pop
        value
      end

      each_value = (common_value.to_f/entries.size)

      entries.each { |entry| results << each_value }
    end
    break if temps.empty?
  end

  # if any of the pot split is left, distribute it among other entries
  if temps.any? && results.any?
    total = temps.inject(0){|s,a| s += a}
    each_split = (total.to_f / results.size)
    results.map!{|value| (value + each_split)}
  end

  results
end

#run ⇒ Object 



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# File 'lib/payout_system/podium_split.rb', line 5

def run
  ratios.to_enum.with_index.map{|s,i| [sorted_entries[i], (pot*s).round]}
end