Class: Rack::Transaction

Inherits:
Object
  • Object
show all
Defined in:
lib/sequel_transaction/rack/transaction.rb

Instance Method Summary collapse

Constructor Details

#initialize(inner, settings) ⇒ Transaction

Returns a new instance of Transaction.



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# File 'lib/sequel_transaction/rack/transaction.rb', line 3

def initialize(inner, settings)
  @inner = inner
  @connection = settings.fetch(:connection)
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/sequel_transaction/rack/transaction.rb', line 8

def call(env)
  req = Request.new env
  if req.get? || req.head? || req.options?
    result = @inner.call env
  else
    env['transaction.connection'] = @connection
    @connection.transaction do
      result = @inner.call env
      response = Response.new [], result[0]
      err = env['sinatra.error']

      if err || response.client_error? || response.server_error?
        raise Sequel::Rollback
      end
    end
  end
  result
end