111 lines
2.6 KiB
Ruby
111 lines
2.6 KiB
Ruby
class MashTournament < ActiveRecord::Base
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belongs_to :requester
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has_many :mashes
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has_many :rounds, :class_name => 'MashTournamentRound'
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#after_create :create_rounds
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#after_save :fill_in_next_round
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def next_unplayed_mash
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self.mashes.unplayed.first
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end
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def done?
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true
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end
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def round(number = 0)
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MashTournamentRound.find_by_mash_tournament_id(self.id,
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:conditions => {:number => number}
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)
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end
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def create_rounds
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n_contenders = Map.count
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#ap "Original n_contenders = #{n_contenders}"
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while n_contenders % 4 != 0
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n_contenders -= 1
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end
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#ap "Resulting n_contenders divisible by 4 = #{n_contenders}"
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round = 1
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while n_contenders > 1
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#ap "Generating round #{round}, n_contenders = #{n_contenders}"
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create_round(round, n_contenders)
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n_contenders = n_contenders / 2
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round += 1
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end
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self.total_rounds = round - 1
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end
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def fill_in_next_round
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self.rounds.sort(&:number).each do |round|
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if not round.done?
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assign_maps_for_round(round)
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return
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end
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end
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end
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private
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def create_round(round_number, n_contenders)
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round = MashTournamentRound.new(
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:mash_tournament_id => self.id,
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:number => round_number,
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:mash_count => n_contenders / 2
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)
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round.save!
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n_contenders.times do
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Mash.new(
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:mash_tournament_id => self.id,
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:mash_tournament_round_id => round.id
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).save!
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end
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end
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def assign_maps_for_round(round)
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previous = MashTournamentRound.find_by_mash_tournament_id_and_number(
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self.id, round.number - 1
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)
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previous_winners = previous.mashes.collect(&:winner_id)
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pool = Map.all(
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:order => 'RANDOM()',
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:conditions => ['id in ?', previous_winners]
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)
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round.mashes.each do |mash|
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mash.update_attributes(
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:map_a_id => pool.pop.id,
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:map_b_id => pool.pop.id
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)
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end
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end
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def assign_maps_for_round_zero
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round = MashTournamentRound.for_round(self.id, 0)
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pool = Map.all(
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:order => 'RANDOM()',
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:limit => round.mash_count * 2
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)
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logger.info("Populating mashes from pool: #{pool.inspect}")
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round.mashes.each do |mash|
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map_a = pool.pop
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map_b = pool.pop
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logger.info("Assigning `map_a` from #{map_a.inspect}, " +
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"`map_b` from #{map_b.inspect} to mash #{mash.inspect}")
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logger.info("`map_a`.`id` = #{map_a.id}, `map_b`.`id` = #{map_b.id} ")
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mash.update_attributes(
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:map_a_id => map_a.id,
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:map_b_id => map_b.id
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)
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end
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end
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end
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