box-o-sand/rails/map-mash/app/models/mash_tournament.rb

111 lines
2.6 KiB
Ruby

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