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Context
class TransferringMoney
include Context
def self.transfer source_account_id, destination_account_id, amount
source = Account.find(source_account_id)
destination = Account.find(destination_account_id)
TransferringMoney.new(source, destination).transfer amount
end
attr_reader :source_account, :destination_account
def initialize source_account, destination_account
@source_account = source_account.extend SourceAccount
@destination_account = destination_account.extend DestinationAccount
end
def transfer amount
in_context do
source_account.transfer_out amount
end
end
...
end
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