Cerner Workflow System API - Implementation Template

Cerner Dev Guide

The Worfklow application uses the following DataWeave modules to be used in Appointment(Search,Get,Create,Cancel) and Slot(Get and Search) for Cerner

createCancelRequest

Creates Appointment Cancel request using inputRequest(payload)

Source: .src/main/resources/dw/Appointment/createCancelRequest.dwl

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createRequestFilterParticipants

Removes participants based on the allowed participants

Source: .src/main/resources/dw/Appointment/createRequestFilterParticipants.dwl

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replaceDatePrefix

Replace date prefix le with lt as Cerner accepts only lt

Source: .src/main/resources/dw/Appointment/replaceDatePrefix.dwl

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replaceResponseUrls

Source: .src/main/resources/dw/Appointment/replaceResponseUrls.dwl

Functions

fun rewriteUrl (urlValue)

Replace Cerner Url with API baseUrl

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updateDateParams

Source: .src/main/resources/dw/Appointment/updateDateParams.dwl

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validatePostRequest

Function uses property allowedAppointmentParticipants to identify allowed actors
in participant for Appointment Create/Cancel

Source: .src/main/resources/dw/Appointment/validatePostRequest.dwl

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WorkflowFHIRTools

WorkflowFHIRTools DataWeave library contains functions used for Slot Search and Appointment Search, Create and Cancel
in Cerner

Source: .src/main/resources/dw/Appointment/WorkflowFHIRTools.dwl

Functions

fun createCancelationRequest (cancelObj)

Generate Appointment Cancellation Request

param cancelObj cancel payload sent in post
return returns Appointment Cancel with code body

fun validateAppointmentPost (inRequest, allowedAppointmentParticipants)

Validate the input body for Appointment POST Allowed Participants are defined in allowedAppointmentParticipants Returns Boolean True or False. True implies presence of unallowed participant actors

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