object PlayServiceCall

Source
PlayServiceCall.scala
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  4. def apply[Request, Response](serviceCall: ((ServiceCall[Request, Response]) ⇒ EssentialAction) ⇒ EssentialAction): PlayServiceCall[Request, Response]

    Convenience function for creating Play service calls.

    Convenience function for creating Play service calls.

    def myServiceCall = PlayServiceCall { wrapCall => EssentialAction { requestHeader => // Wrap call can be invoked to get the action that will handle the call. It doesn't have to be // invoked, a check could be done for example that would short circuit its invocation. val wrappedAction = wrapCall(ServiceCall { request => println(s"Service call invoked with $request") createSomeResponse() }

    // This will get the accumulator to consume the body. The accumulator wraps an Akka streams Sink. // Working with this gives you an opportunity to modify the incoming stream in whatever way you want, // before it's passed to the Lagom deserializer to deserialize it. accumulator: Accumulator[ByteString, Result] = wrappedAction(requestHeader)

    accumulator.map { result => // At this point, the service call we invoked earlier has been invoked, and we now have the Play // result that it has been converted to. We can modify this result as much as we want, including // the body it is associated with. result } } }

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