iris-fhir-app

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What's new in this version

Transform RecordMap to FHIR

Gitter Quality Gate Status Reliability Rating

iris-fhir-app

This is my first FHIR app

It contains a FHIR SERVER, imports test data, and demoes REST API usage with a simple web page.

I added an Interoperability Production which can transform a RecordMap to FHIR. It sends new patients to the FHIR SERVER.

Prerequisites

Make sure you have git and Docker desktop installed.

Installation

Clone/git pull the repo into any local directory

$ git clone https://github.com/oliverwilms/iris-fhirserver.git

Open the terminal in this directory and run:

$ docker-compose up -d

Patient data

The template provides several patients in /data/fhir folder which are automatically loaded. You can generate more patients doing the following. Open terminal shell in repository folder and call:

#./synthea-loader.sh 10

this will create 10 more patients in data/fhir folder. Then open IRIS terminal in FHIRSERVER namespace with the following command:

docker-compose exec iris iris session iris -U FHIRServer

and call the loader method:

FHIRSERVER>d ##class(fhirtemplate.Setup).LoadPatientData("/irisdev/app/output/fhir","FHIRSERVER","/fhir/r4")

with using the following project

Transform RecordMap to FHIR

Copy recordmap sample file to fhir-input directory inside the container

cp /opt/irisapp/delimited/RecordMap_Delimited_TX.txt /opt/irisapp/fhir-input/TX.txt

The EnsLib.RecordMap.Service.FileService sends the file to interop.bp.Transformer where the RecordMap record is transformed to FHIR. You should be able to find the patient in FHIRSERVER.

Testing FHIR R4 API

Open URL http://localhost:32783/fhir/r4/metadata you should see the output of fhir resources on this server

Testing Postman calls

Get fhir resources metadata GET call for http://localhost:32783/fhir/r4/metadata Screenshot 2020-08-07 at 17 42 04

Open Postman and make a GET call for the preloaded Patient: http://localhost:32783/fhir/r4/Patient/1 Screenshot 2020-08-07 at 17 42 26

Testing FHIR API calls in simple frontend APP

the very basic frontend app with search and get calls to Patient and Observation FHIR resources could be found here: http://localhost:32783/csp/user/fhirUI/FHIRAppDemo.html or from VSCode ObjectScript menu: Screenshot 2020-08-07 at 17 34 49

While open the page you will see search result for female anemic patients and graphs a selected patient's hemoglobin values: Screenshot 2020-08-06 at 18 51 22

Development Resources

InterSystems IRIS FHIR Documentation FHIR API Developer Community FHIR section

How to start development

This repository is ready to code in VSCode with ObjectScript plugin. Install VSCode, Docker and ObjectScript plugin and open the folder in VSCode. Open /src/cls/PackageSample/ObjectScript.cls class and try to make changes - it will be compiled in running IRIS docker container. docker_compose

Feel free to delete PackageSample folder and place your ObjectScript classes in a form /src/Package/Classname.cls Read more about folder setup for InterSystems ObjectScript

The script in Installer.cls will import everything you place under /src into IRIS.

What's inside the repository

Dockerfile

The simplest dockerfile which starts IRIS and imports Installer.cls and then runs the Installer.setup method, which creates IRISAPP Namespace and imports ObjectScript code from /src folder into it. Use the related docker-compose.yml to easily setup additional parametes like port number and where you map keys and host folders. Use .env/ file to adjust the dockerfile being used in docker-compose.

.vscode/settings.json

Settings file to let you immedietly code in VSCode with VSCode ObjectScript plugin)

.vscode/launch.json

Config file if you want to debug with VSCode ObjectScript

Troubleshooting

ERROR #5001: Error -28 Creating Directory /usr/irissys/mgr/FHIRSERVER/ If you see this error it probably means that you ran out of space in docker. you can clean up it with the following command:

docker system prune -f

And then start rebuilding image without using cache:

docker-compose build --no-cache

and start the container with:

docker-compose up -d

This and other helpful commands you can find in dev.md

ZPM installation
zpm "install iris-fhir-app"
Rating
5 (1)
ObjectScript quality test
Passed
Updated on 27 January 2023
ObjectScript quality report
Category
Technology Example
Works with
InterSystems IRIS for HealthInterSystems FHIR
Tags
Info
Version
1.0.3
Last updated
2022-11-29
Repository
Open
Documentation
Open
License
Link