ETASU using GuidanceResponse

[plarocque4]

Describe your changes

Add a new operation to the FHIR server at:
/GuidanceResponse/$rems-etasu

This FHIR Operation takes a Patient and Medication resource in a fair Parameters and returns a GuidanceResponse with contained GuidanceResponses representing the ETASU status.

A 'Pending' status has been mapped to 'data-required' and 'Approved' is mapped to 'success'.

The easiest way to test is using postman.
Example POST body request for Isotretinoin:
http://localhost:8090/4_0_0/GuidanceResponse/$rems-etasu

{
    "resourceType" : "Parameters",
    "parameter" : [
        {
            "name" : "patient",
            "resource": {
                "resourceType": "Patient",
                "id": "pat017",
                "identifier": [
                    {
                        "system": "http://hl7.org/fhir/sid/us-medicare",
                        "value": "0V843229061TB"
                    }
                ],
                "name": [
                    {
                        "use": "official",
                        "family": "Snow",
                        "given": [
                            "Jon",
                            "Stark"
                        ]
                    }
                ],
                "gender": "male",
                "birthDate": "1996-06-01",
                "address": [
                    {
                        "use": "home",
                        "type": "both",
                        "line": [
                            "1 Winterfell Rd"
                        ],
                        "city": "Winterfell",
                        "state": "Westeros",
                        "postalCode": "00008"
                    }
                ]
            }
        },
        {
            "name" : "medication",
            "resource": {
                "resourceType": "Medication",
                "id": "med-iso",
                "code": {
                    "coding": [ {
                        "system": "http://www.nlm.nih.gov/research/umls/rxnorm",
                        "code": "6064",
                        "display": "Isotretinoin 20 MG Oral Capsule"
                    }, {
                        "system": "http://hl7.org/fhir/sid/ndc",
                        "code": "0245-0571-01"
                    } ] 
                }
            }   
        }
    ]
}

Response:

{
    "resourceType": "Parameters",
    "parameter": [
        {
            "name": "rems-etasu",
            "resource": {
                "resourceType": "GuidanceResponse",
                "status": "data-required",
                "moduleUri": "https://build.fhir.org/ig/HL7/fhir-medication-rems-ig/",
                "subject": {
                    "reference": "Patient/pat017"
                },
                "outputParameters": {
                    "reference": "#etasuOutputParameters"
                },
                "contained": [
                    {
                        "resourceType": "Parameters",
                        "id": "etasuOutputParameters",
                        "parameter": [
                            {
                                "name": "Patient Enrollment",
                                "resource": {
                                    "resourceType": "GuidanceResponse",
                                    "status": "success",
                                    "moduleUri": "https://build.fhir.org/ig/HL7/fhir-medication-rems-ig/",
                                    "subject": {
                                        "reference": "Patient/pat017"
                                    },
                                    "note": [
                                        {
                                            "text": "Patient Enrollment"
                                        }
                                    ]
                                }
                            },
                            {
                                "name": "Prescriber Enrollment",
                                "resource": {
                                    "resourceType": "GuidanceResponse",
                                    "status": "data-required",
                                    "moduleUri": "https://build.fhir.org/ig/HL7/fhir-medication-rems-ig/",
                                    "subject": {
                                        "reference": "Practitioner/pra1234"
                                    },
                                    "note": [
                                        {
                                            "text": "Prescriber Enrollment"
                                        }
                                    ]
                                }
                            },
                            {
                                "name": "Pharmacist Enrollment",
                                "resource": {
                                    "resourceType": "GuidanceResponse",
                                    "status": "success",
                                    "moduleUri": "https://build.fhir.org/ig/HL7/fhir-medication-rems-ig/",
                                    "subject": {
                                        "reference": "Organization/pharm0111"
                                    },
                                    "note": [
                                        {
                                            "text": "Pharmacist Enrollment"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                ]
            }
        }
    ]
}

Issue ticket number and Jira link

REMS-533

Checklist before requesting a review

• I have performed a self-review of my code
• Ensure the target / base branch for any feature PR is set to dev not main (the only exception to this is releases from dev and hotfix branches)

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• Review the code changes and make sure they all make sense and are necessary.
• Pull the PR branch locally and test by running through workflow and making sure everything works as it is supposed to.

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[zacharyrobin]

Tested in postman ✅