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class Tournament < ActiveRecord::Base
belongs_to :game
has_many :matches
has_and_belongs_to_many :players, class_name: "User", join_table: "tournaments_players"
has_and_belongs_to_many :hosts, class_name: "User", join_table: "tournaments_hosts"
def open?
return true
end
def joinable_by?(user)
return ((not user.nil?) and user.in_group?(:player) and open?)
end
def join(user)
unless joinable_by?(user)
return false
end
pair = UserTournamentPair.new(tournament: self, user: user)
return pair.save
end
end
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