task clean_transactions: :environment do
  double_transactions.each do |transaction|
    amount = transaction.amount
    company = transaction.general_company
    balance = company.balance
    balance.update_attributes additions: balance.additions - amount
    transaction.destroy!
  end
end

def ticket_transactions
  Money::Transaction.where(referrer_type: 'Ticket')
end

def double_transactions
  transactions = []
  ticket_transactions.find_each do |transaction|
    ticket = transaction.referrer
    voids = ticket_transactions.map(&:referrer).compact.map(&:void?)
    next unless ticket.bmp? && ticket.void?
    transactions.push(transaction) if voids.count(ticket) > 1
  end
  transaction
end