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Ruby FHIR Client

License: Apache License 2.0

Ruby 99.91% Shell 0.09%

fhir fhir-client

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OAuth URL structure should provide complete URLs

The following convenience structure:

    options = {
      :site => baseUrl,
      :authorize_url => authorizePath,
      :token_url => tokenPath,
      :raise_errors => false
    }

is overly restrictive: it assumes that the authorize and token URLs must always share the same site -- but this isn't in general a reliable assumption. It would be better to capture full URLs here for authorize, token, and register.

oauth2 gem used by fhir_client is EOL

When installing fhir_client I get this EOL message for oauth2:

Post-install message from oauth2:

You have installed oauth2 version 1.4.11, which is EOL.
No further support is anticipated for the 1.4.x series.

OAuth2 version 2 is released.
There are BREAKING changes, but most will not encounter them, and upgrading should be easy!

We have made two other major migrations:
1. master branch renamed to main
2. Github has been replaced with Gitlab

Please see:
• https://gitlab.com/oauth-xx/oauth2#what-is-new-for-v20
• https://gitlab.com/oauth-xx/oauth2/-/blob/main/CHANGELOG.md
• https://groups.google.com/g/oauth-ruby/c/QA_dtrXWXaE

Please upgrade, report issues, and support the project! Thanks, |7eter l-|. l3oling

Question: Underlying request details

Is there a way that I can inspect the underlying details of the HTTP request when I do something like this?

FHIR::Patient.read('example')

I'd like to handle this information in my application code, not just see it in the logs.

set_tls_auth

Is it possible to let the FHIR gem use TLS authentication.
It uses the RestClient and it is possible to initialize it with the ca_file option.
@client = RestClient
TLS is widely used in Health Care applications.

Search crashing instead of paginating

Hi,

I'm trying to search for appointment slots for a given order, and contrary to what the docs claim, pagination does not seem to be happening. If I search for a 1-day window of slots, I get 165 results back. If I search for any larger window, my server runs out of memory (it has 2GB allocated) and the process is killed.

Success:

irb(main):011:0> results= FHIR::STU3::Slot.search('_query' => 'SearchSlotForOrder', 'order' => '1758991', start: (Date.today + 1.day).to_s, end: (Date.today + 2.days).to_s)
I, [2024-04-18T10:05:46.570374 #10169]  INFO -- : GETTING: http://<server>/Slot?_query=SearchSlotForOrder&end=2024-04-20&order=1758991&start=2024-04-19
=> 
#<FHIR::STU3::Bundle:0x00007fdf9bc394c0
...
irb(main):012:0> results.total
=> 165
irb(main):012:0> results.next_bundle
=> nil

Failure:

irb(main):013:0> results= FHIR::STU3::Slot.search('_query' => 'SearchSlotForOrder', 'order' => '1758991', start: (Date.today + 1.day).to_s, end: (Date.today + 3.days).to_s)
I, [2024-04-18T10:01:37.394239 #8541]  INFO -- : GETTING: http://<server>/Slot?_query=SearchSlotForOrder&end=2024-04-21&order=1758991&start=2024-04-19
Killed

Is there a way to limit a bundle size (165+ seems large for pagination), and how do I actually force pagination to happen, since it doesn't seem to be happening here?

Trailing Slashes?

Submitted via email:

I’m testing my FHIR server against Crucible. It’s failing all the tests for resource-level history
interaction because the URL that crucible is hitting has a trailing slash, which our server isn’t expecting:
https://.../fhir/AllergyIntolerance/3/_history/

The trailing slash doesn’t seem to be strictly consistent with the standard:
http://hl7.org/fhir/DSTU2/http.html#history

Can you change the tests to not include that trailing slash?

Installation Guidance

Looking ahead, I thought I would give a Windows installation a try (someone had to do it:) I was able to do the "bundle install" w/o any errors, but when I invoke the "bundle exec rake fhir:console" I get a status "127" error which generally points to something not found, I believe.

Can you please add a listing of prerequisites into the readme, or create a separate installation guide for the run-time? Consider that many will want to run the client from Windows, so it would be great to know what prerequisites are necessary to run from a Windows environment.

Can't run rake fhir:console

$ bundle install
$ bundle exec rake fhir:console
rake aborted!
Don't know how to build task 'fhir:console' (see --tasks)

Gem Release

I'm currently working on an integration with the smart health sandbox. I noticed that next_bundle was broken, but was fixed and merged to master. Is there a plan on releasing a new version of the gem.

NoMethodError: undefined method `has_key?' for nil:NilClass

HI,

Thanks for this gem!

I'm getting a error after following the transaction example in the README.

reply = client.end_transaction
I, [2021-11-12T22:50:03.778516 #1]  INFO -- : POSTING: https://apporchard.epic.com/interconnect-aocurprd-oauth/api/FHIR/R4/
NoMethodError: undefined method `has_key?' for nil:NilClass
from /usr/local/bundle/ruby/2.6.0/gems/fhir_models-4.2.1/lib/fhir_models/bootstrap/json.rb:10:in `pretty_generate'

Any ideas?

Scrub extraneous headers that are used internally but shouldn't be exposed externally

The client transforms some unnecessary fields passed by callers into request headers. These should be ignored by FHIR servers, but their existence implies they are part of the FHIR spec, when they aren't.

Examples include id and resource.

Can this gem instantiate a new Patient object from json

Can this gem instantiate a new Patient object from json?

So it would look like.
json_string = "{ "resourceType": "Patient", "id": "example", blah blah blah}"
patient = FHIR::Patient.new json_string

Possible? Thanks

Gem::InstallError: zeitwerk requires Ruby version >= 2.4.4.

I have some problems em try to run bundle install:

In Gemfile:
  fhir_client was resolved to 4.0.4, which depends on
    activesupport was resolved to 6.0.3.2, which depends on
      zeitwerk
Bundler::InstallError: Gem::InstallError: zeitwerk requires Ruby version >= 2.4.4.

and

Fetching zeitwerk 2.4.0
Installing zeitwerk 2.4.0
Gem::InstallError: zeitwerk requires Ruby version >= 2.4.4.

and

An error occurred while installing zeitwerk (2.4.0), and Bundler cannot continue.
Make sure that `gem install zeitwerk -v '2.4.0' --source 'https://rubygems.org/'` succeeds before bundling.

and

Could not find gem 'pry' in any of the gem sources listed in your Gemfile.

Someone could help me?
And if possible share the gem list with current dependencies versions and the ruby version used.

Thanks in a lot!

Handle base_create method from models

Make fhir_client a gem

Have you considered making this library a gem? It would be useful to be able to include fhir_client in existing Ruby apps (provided some Mongo config) and then immediately use it to interface with FHIR servers.

rest-client version requirements

Hello guys,

we noticed that you recently updated rest-client version requirements with a strict approach:
spec.add_dependency 'rest-client', '~> 2.0'
=> 844dc2e#diff-c2541be243f7010061e6644706359c34R29

This new requirement does not seems to be driven by code requirements.

On our code base we have a very important gem requiring rest-client v1.8 so we are kinda stuck :/
We have a small PR to fix an other issue as well : honestica@2a09a15

Thanks for your help

OAuth2 access token is not passed to `client.client_credentials.get_token`

I'm creating a backend systems application on Epic's App Marketplace. I checked the box "Use Oauth 2.0," am using R4 FHIR version, and I uploaded a public key to Epic's app marketplace. I'm using 'https://fhir.epic.com/interconnect-fhir-oauth/api/FHIR/R4' as the BASE_URL when instantiating a FHIR::Client instance. Per Epic's documentation for a Backend Systems app, a POST request needs to be made to the token endpoint to obtain an access token. This POST request needs to look like this example shown in Epic's documentation

POST <TOKEN_URL> HTTP/1.1
Content-Type: application/x-www-form-urlencoded

grant_type=client_credentials&client_assertion_type=urn%3Aietf%3Aparams%3Aoauth%3Aclient-assertion-type%3Ajwt-bearer&client_assertion=eyJhbGciOiJSUzM4NCIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJkNDUwNDljMy0zNDQxLTQwZWYtYWI0ZC1iOWNkODZhMTcyMjUiLCJzdWIiOiJkNDUwNDljMy0zNDQxLTQwZWYtYWI0ZC1iOWNkODZhMTcyMjUiLCJhdWQiOiJodHRwczovL2FwcG1hcmtldC5lcGljLmNvbS9pbnRlcmNvbm5lY3QtYW1jdXJwcmQtb2F1dGgvb2F1dGgyL3Rva2VuIiwianRpIjoiZjllYWFmYmEtMmU0OS0xMWVhLTg4ODAtNWNlMGM1YWVlNjc5IiwiZXhwIjoxNTgzNTI0NDAyLCJuYmYiOjE1ODM1MjQxMDIsImlhdCI6MTU4MzUyNDEwMn0.cM3o-9LzamiNP0luN1slylY3W0mo8YwYx4Bqj2uLPf_IhEUvt8Y3BiYBGlfnU_RgWaMkij9TCuhCRk7A8N6kVVxpBknd0JscKyTKeIrFqPbYk0gkWbpOjsxtkWnuKS0bdkjlRPXsaLMJ4uNfSAcViuuZ-wbLxnWX4AEZzzGXj8lt3uNKfOx7i3f-3wXZ-Mwe0qQq3pUjex7LpQA7qPBoQ2dJFXn491DBTW43QXsAebeKzWpKY94q5p2CU8qAJRBVrigbXc_C9Bsy_rknI-SGjH8X7BsIzMLLNFL5B1wIHhrkVFaZ83iLnJQQxaiFtsJUgtyaR02eSKhWdH3t40liMQ

This POST request needs to have a body that includes grant_type, client_credentials, client_assertion_type, and client_assertion. Here, client_assertion needs to be an encoded JWT token that looks like

      def payload
        {
          'iss': NON_PROD_CLIENT_ID,
          'sub': NON_PROD_CLIENT_ID,
          'aud': AUD,
          'iat': Time.zone.now.to_i,
          'exp': Time.zone.now.to_i + 4 * 60,
          'jti': SecureRandom.hex(6),
          'kid': PUBLIC_KEY_FINGERPRINT
        }
      end

      def assertion
        @token ||= JWT.encode payload, rsa_private, 'RS384', {typ: 'JWT', alg: 'RS384', kid: PUBLIC_KEY_FINGERPRINT}
      end

In FHIR::Client#set_oauth2_auth, OAuth2::Client#get_token is called with no arguments.

@client = client.client_credentials.get_token

OAuth2::Client#get_token accepts params as the first argument. In the method, it uses params to make the body of the POST request. If no params are passed, this request to get the access token will not be successful.

def get_token(params, access_token_opts = {}, access_token_class = AccessToken) # rubocop:disable Metrics/AbcSize, Metrics/MethodLength
      params = Authenticator.new(id, secret, options[:auth_scheme]).apply(params)
      opts = {:raise_errors => options[:raise_errors], :parse => params.delete(:parse)}
      headers = params.delete(:headers) || {}
      if options[:token_method] == :post
        opts[:body] = params
        opts[:headers] = {'Content-Type' => 'application/x-www-form-urlencoded'}
      else
...

Can FHIR::Client#set_oauth2_auth be re-worked to accept a params argument so that I can pass the necessary parameters to the make the initial POST request to get the needed access token? Please let me know if you could use more information from me or if I'm misunderstanding the implementation.

In case it's useful, this is the terminal output when I try to run the example oauth2 code from GH

I, [2022-11-07T15:25:21.450261 #45018]  INFO -- : Initializing client with https://fhir.epic.com/interconnect-fhir-oauth/api/FHIR/R4
I, [2022-11-07T15:25:21.450680 #45018]  INFO -- : Configuring the client to use no authentication.
I, [2022-11-07T15:25:21.451568 #45018]  INFO -- : GETTING: https://fhir.epic.com/interconnect-fhir-oauth/api/FHIR/R4/metadata
D, [2022-11-07T15:25:21.864158 #45018] DEBUG -- : GET - Request: {"method":"get","headers":{"User-Agent":"Ruby FHIR Client","Accept-Charset":"utf-8","Accept":"application/fhir+json"},"url":"https://fhir.epic.com/interconnect-fhir-oauth/api/FHIR/R4/metadata","password":null,"user":null,"uri":"https://fhir.epic.com/interconnect-fhir-oauth/api/FHIR/R4/metadata","cookie_jar":[],"payload":null,"block_response":null,"raw_response":false,"stream_log_percent":10,"ssl_opts":{"verify_ssl":1,"cert_store":{"verify_callback":null,"error":null,"error_string":null,"chain":null,"time":null}},"log":null,"max_redirects":10,"processed_headers":{"Accept":"application/fhir+json","User-Agent":"Ruby FHIR Client","Accept-Charset":"utf-8"},"processed_headers_lowercase":{"accept":"application/fhir+json","user-agent":"Ruby FHIR Client","accept-charset":"utf-8"},"args":{"method":"get","url":"https://fhir.epic.com/interconnect-fhir-oauth/api/FHIR/R4/metadata","headers":{"User-Agent":"Ruby FHIR Client","Accept-Charset":"utf-8","Accept":"application/fhir+json"}},"before_execution_proc":null}, Response: [too large]
D, [2022-11-07T15:25:21.865255 #45018] DEBUG -- : Parsing response with {klass: FHIR::CapabilityStatement, format: application/fhir+json, code: 200}.
I, [2022-11-07T15:25:21.890849 #45018]  INFO -- : Configuring the client to use OpenID Connect OAuth2 authentication.
OAuth2::Error: invalid_client: 
{
  "error": "invalid_client",
  "error_description": null
}
from /Users/austinmiller/.rbenv/versions/3.0.4/lib/ruby/gems/3.0.0/gems/oauth2-1.4.4/lib/oauth2/client.rb:120:in `request'

Logging is leaking credentials to logs

For all requests, the gem records the request including headers with secrets in logs. https://github.com/fhir-crucible/fhir_client/blob/master/lib/fhir_client/client.rb#L334
Should we set the logging level to debug for these logs (production environment should not run in debug) ? Or should we have a logging that remove/select the secrets/data ?

Unable to obtain Access Token from Authorization Code

First off I'd like to say that i'm pretty new to FHIR and OAuth2 in general. I could very well just be missing something here.

I'm attempting to perform a SMART on FHIR launch utilizing this gem and the stated Oauth 2.0 workflow in the readme, but the readme doesn't seem like it would ever work? The launches i'm going through recommend redirecting to the authorization url provided in the initial launch, and then you will receive a request to your agreed upon redirect_uri. This redirect_uri then exchanges the code in the parameters for an access token.

This entire flow doesn't seem to be supported by the gem and i'm not sure how i'm supposed to utilize the gem to perform this. To make this work we've had to complete the auth outside of the gem, but I would still like to use the gem for ease of accessing APIs. I kind of have two questions.

Am i correct in that the gem does not support a flow that involves a redirect_uri?
Is there a way to initialize a client with an existing Access Token?

SMART on FHIR

Does this library support SMART on FHIR? If not, is there any way of authenticating with a redirect URI instead of a client secret?

Parser warning during search

When performing a search I see a warning along these lines:
WARN -- : Expected FHIR::Observation but got FHIR::Bundle

Tracing this back to the search method in the Sections module it looks like the client tries assert that the response is of the type being searched against. This doesn't seem to make sense as a search response is going to be a bundle, thus the warning message. Is there a reason for this or should it be refactored?

fhir_client/lib/fhir_client/sections/search.rb

Line 11 in 5b1325d

def search(klass, options = {}, format = @default_format)

Issues sifting through response from FHIR

Hello, I'm working on a Rails API that utilizes the FHIR gem and I'm having issues pulling individual values out of a large response. Beyond that, I'm having a hard time understanding and sifting through the response that I'm getting when I try to pull the value for an individual observation. Basically, we want observations sorted by patient & type but we can't seem to extract them

We're entering the following snippets of code into the Rails console:

client = FHIR::Client.new('http://r2.smarthealthit.org')
reply = client.search(FHIR::DSTU2::Observation, { :search => { :parameters => { 'patient' => "b5b32f55-c4a5-4c4e-aac8-9b08386b2752,0b1242d9-fd7e-4dbf-8e2d-c8428557b720" }}})
 observations = reply.resource.entry.map(&:resource)

It's returning a ridiculous amount of information when we do this. I've gone ahead and posted it below. I apologize for how dense it is, we're just not entirely sure how to make heads-or-tails of it and we're newer developers in a very deep pond. Thank you in advance!

    [#<FHIR::DSTU2::Observation:0x007fc6abf63640 @id="c3261396-0db3-42ac-84ca-3d254753135a", @meta=#<FHIR::DSTU2::Meta:0x007fc6abf62920 @id=nil, @extension=[], @versionId="1", @lastUpdated="2018-05-07T13:08:41.440-04:00", @profile=[], @security=[], @tag=[#<FHIR::DSTU2::Coding:0x007fc6abf623f8 @id=nil, @extension=[], @system="https://smarthealthit.org/tags", @version=nil, @code="synthea-8-2017", @display=nil, @userSelected=nil>]>, @implicitRules=nil, @language=nil, @text=nil, @contained=[], @extension=[], @modifierExtension=[], @identifier=[], @status="final", @category=#<FHIR::DSTU2::CodeableConcept:0x007fc6abf60e18 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6abf60b20 @id=nil, @extension=[], @system="http://hl7.org/fhir/observation-category", @version=nil, @code="laboratory", @display=nil, @userSelected=nil>], @text=nil>, @code=#<FHIR::DSTU2::CodeableConcept:0x007fc6abf5be40 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6abf5ba80 @id=nil, @extension=[], @system="http://loinc.org", @version=nil, @code="4548-4", @display="Hemoglobin A1c/Hemoglobin.total in Blood", @userSelected=nil>], @text="Hemoglobin A1c/Hemoglobin.total in Blood">, @subject=#<FHIR::DSTU2::Reference:0x007fc6abf5b030 @id=nil, @extension=[], @reference="Patient/0b1242d9-fd7e-4dbf-8e2d-c8428557b720", @display=nil>, @encounter=#<FHIR::DSTU2::Reference:0x007fc6abf59ff0 @id=nil, @extension=[], @reference="Encounter/b4494606-3e1c-4d38-875f-791436cbed18", @display=nil>, @effectiveDateTime="2015-07-06T07:10:12-04:00", @effectivePeriod=nil, @issued="2015-07-06T07:10:12-04:00", @performer=[], @valueQuantity=#<FHIR::DSTU2::Quantity:0x007fc6abf59b18 @id=nil, @extension=[], @value=6.2, @comparator=nil, @unit="%", @system="http://unitsofmeasure.org/", @code="%">, @valueCodeableConcept=nil, @valueString=nil, @valueRange=nil, @valueRatio=nil, @valueSampledData=nil, @valueAttachment=nil, @valueTime=nil, @valueDateTime=nil, @valuePeriod=nil, @dataAbsentReason=nil, @interpretation=nil, @comments=nil, @bodySite=nil, @local_method=nil, @specimen=nil, @device=nil, @referenceRange=[], @related=[], @component=[]>, #<FHIR::DSTU2::Observation:0x007fc6abf46a90 @id="c6c39893-233b-4ae9-af3a-98a1a1f987de", @meta=#<FHIR::DSTU2::Meta:0x007fc6abf46090 @id=nil, @extension=[], @versionId="1", @lastUpdated="2018-05-07T13:09:16.480-04:00", @profile=[], @security=[], @tag=[#<FHIR::DSTU2::Coding:0x007fc6abf45c58 @id=nil, @extension=[], @system="https://smarthealthit.org/tags", @version=nil, @code="synthea-8-2017", @display=nil, @userSelected=nil>]>, @implicitRules=nil, @language=nil, @text=nil, @contained=[], @extension=[], @modifierExtension=[], @identifier=[], @status="final", @category=#<FHIR::DSTU2::CodeableConcept:0x007fc6abf44dd0 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6abf44c18 @id=nil, @extension=[], @system="http://hl7.org/fhir/observation-category", @version=nil, @code="laboratory", @display=nil, @userSelected=nil>], @text=nil>, @code=#<FHIR::DSTU2::CodeableConcept:0x007fc6abf44128 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6abf3ff88 @id=nil, @extension=[], @system="http://loinc.org", @version=nil, @code="49765-1", @display="Calcium", @userSelected=nil>], @text="Calcium">, @subject=#<FHIR::DSTU2::Reference:0x007fc6abf3f8a8 @id=nil, @extension=[], @reference="Patient/0b1242d9-fd7e-4dbf-8e2d-c8428557b720", @display=nil>, @encounter=#<FHIR::DSTU2::Reference:0x007fc6abf3f3f8 @id=nil, @extension=[], @reference="Encounter/43712369-7cc3-44ee-8d62-b0c4eb626230", @display=nil>, @effectiveDateTime="2009-04-01T13:37:09-04:00", @effectivePeriod=nil, @issued="2009-04-01T13:37:09-04:00", @performer=[], @valueQuantity=#<FHIR::DSTU2::Quantity:0x007fc6abf3eef8 @id=nil, @extension=[], @value=9.888101113103083, @comparator=nil, @unit="mg/dL", @system="http://unitsofmeasure.org/", @code="mg/dL">, @valueCodeableConcept=nil, @valueString=nil, @valueRange=nil, @valueRatio=nil, @valueSampledData=nil, @valueAttachment=nil, @valueTime=nil, @valueDateTime=nil, @valuePeriod=nil, @dataAbsentReason=nil, @interpretation=nil, @comments=nil, @bodySite=nil, @local_method=nil, @specimen=nil, @device=nil, @referenceRange=[], @related=[], @component=[]>, #<FHIR::DSTU2::Observation:0x007fc6abf3cc70 @id="4ed555b8-f959-4571-b815-7c475b2defb8", @meta=#<FHIR::DSTU2::Meta:0x007fc6abf37f68 @id=nil, @extension=[], @versionId="1", @lastUpdated="2018-05-07T13:09:39.642-04:00", @profile=[], @security=[], @tag=[#<FHIR::DSTU2::Coding:0x007fc6abf379f0 @id=nil, @extension=[], @system="https://smarthealthit.org/tags", @version=nil, @code="synthea-8-2017", @display=nil, @userSelected=nil>]>, @implicitRules=nil, @language=nil, @text=nil, @contained=[], @extension=[], @modifierExtension=[], @identifier=[], @status="final", @category=#<FHIR::DSTU2::CodeableConcept:0x007fc6abf36a50 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6abf365f0 @id=nil, @extension=[], 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@system="http://hl7.org/fhir/observation-category", @version=nil, @code="laboratory", @display=nil, @userSelected=nil>], @text=nil>, @code=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e391b8 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e38fd8 @id=nil, @extension=[], @system="http://loinc.org", @version=nil, @code="38483-4", @display="Creatinine", @userSelected=nil>], @text="Creatinine">, @subject=#<FHIR::DSTU2::Reference:0x007fc6a9e384e8 @id=nil, @extension=[], @reference="Patient/0b1242d9-fd7e-4dbf-8e2d-c8428557b720", @display=nil>, @encounter=#<FHIR::DSTU2::Reference:0x007fc6a9e38038 @id=nil, @extension=[], @reference="Encounter/7b087139-6806-480c-ad64-7251cde227fe", @display=nil>, @effectiveDateTime="2012-05-25T05:42:13-04:00", @effectivePeriod=nil, @issued="2012-05-25T05:42:13-04:00", @performer=[], @valueQuantity=#<FHIR::DSTU2::Quantity:0x007fc6a9e4b8b8 @id=nil, @extension=[], @value=1, @comparator=nil, @unit="mg/dL", @system="http://unitsofmeasure.org/", @code="mg/dL">, @valueCodeableConcept=nil, @valueString=nil, @valueRange=nil, @valueRatio=nil, @valueSampledData=nil, @valueAttachment=nil, @valueTime=nil, @valueDateTime=nil, @valuePeriod=nil, @dataAbsentReason=nil, @interpretation=nil, @comments=nil, @bodySite=nil, @local_method=nil, @specimen=nil, @device=nil, @referenceRange=[], @related=[], @component=[]>, #<FHIR::DSTU2::Observation:0x007fc6a9e496d0 @id="423e938d-e755-4545-ba4e-1a7731737ffd", @meta=#<FHIR::DSTU2::Meta:0x007fc6a9e48910 @id=nil, @extension=[], @versionId="1", @lastUpdated="2018-05-07T13:17:52.478-04:00", @profile=[], @security=[], @tag=[#<FHIR::DSTU2::Coding:0x007fc6a9e48320 @id=nil, @extension=[], @system="https://smarthealthit.org/tags", @version=nil, @code="synthea-8-2017", @display=nil, @userSelected=nil>]>, @implicitRules=nil, @language=nil, @text=nil, @contained=[], @extension=[], @modifierExtension=[], @identifier=[], @status="final", @category=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e37700 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e37520 @id=nil, @extension=[], @system="http://hl7.org/fhir/observation-category", @version=nil, @code="laboratory", @display=nil, @userSelected=nil>], @text=nil>, @code=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e36cb0 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e36ad0 @id=nil, @extension=[], @system="http://loinc.org", @version=nil, @code="6298-4", @display="Potassium", @userSelected=nil>], @text="Potassium">, @subject=#<FHIR::DSTU2::Reference:0x007fc6a9e35fe0 @id=nil, @extension=[], @reference="Patient/0b1242d9-fd7e-4dbf-8e2d-c8428557b720", @display=nil>, @encounter=#<FHIR::DSTU2::Reference:0x007fc6a9e35b80 @id=nil, @extension=[], @reference="Encounter/7b087139-6806-480c-ad64-7251cde227fe", @display=nil>, @effectiveDateTime="2012-05-25T05:42:13-04:00", @effectivePeriod=nil, @issued="2012-05-25T05:42:13-04:00", @performer=[], @valueQuantity=#<FHIR::DSTU2::Quantity:0x007fc6a9e354a0 @id=nil, @extension=[], @value=4.437865365724158, @comparator=nil, @unit="mmol/L", @system="http://unitsofmeasure.org/", @code="mmol/L">, @valueCodeableConcept=nil, @valueString=nil, @valueRange=nil, @valueRatio=nil, @valueSampledData=nil, @valueAttachment=nil, @valueTime=nil, @valueDateTime=nil, @valuePeriod=nil, @dataAbsentReason=nil, @interpretation=nil, @comments=nil, @bodySite=nil, @local_method=nil, @specimen=nil, @device=nil, @referenceRange=[], @related=[], @component=[]>, #<FHIR::DSTU2::Observation:0x007fc6a9e432d0 @id="05f5d79f-e1ae-46f0-bc7c-f6fc415adf91", @meta=#<FHIR::DSTU2::Meta:0x007fc6a9e42510 @id=nil, @extension=[], @versionId="1", @lastUpdated="2018-05-07T13:17:52.499-04:00", @profile=[], @security=[], @tag=[#<FHIR::DSTU2::Coding:0x007fc6a9e41fc0 @id=nil, @extension=[], @system="https://smarthealthit.org/tags", @version=nil, @code="synthea-8-2017", @display=nil, @userSelected=nil>]>, @implicitRules=nil, @language=nil, @text=nil, @contained=[], @extension=[], @modifierExtension=[], @identifier=[], @status="final", @category=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e41430 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e41250 @id=nil, @extension=[], @system="http://hl7.org/fhir/observation-category", @version=nil, @code="laboratory", @display=nil, @userSelected=nil>], @text=nil>, @code=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e409e0 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e40800 @id=nil, @extension=[], @system="http://loinc.org", @version=nil, @code="2069-3", @display="Chloride", @userSelected=nil>], @text="Chloride">, @subject=#<FHIR::DSTU2::Reference:0x007fc6a9e33ce0 @id=nil, @extension=[], @reference="Patient/0b1242d9-fd7e-4dbf-8e2d-c8428557b720", @display=nil>, @encounter=#<FHIR::DSTU2::Reference:0x007fc6a9e33880 @id=nil, @extension=[], @reference="Encounter/7b087139-6806-480c-ad64-7251cde227fe", @display=nil>, @effectiveDateTime="2012-05-25T05:42:13-04:00", @effectivePeriod=nil, @issued="2012-05-25T05:42:13-04:00", @performer=[], @valueQuantity=#<FHIR::DSTU2::Quantity:0x007fc6a9e331a0 @id=nil, @extension=[], @value=107, @comparator=nil, @unit="mmol/L", @system="http://unitsofmeasure.org/", @code="mmol/L">, @valueCodeableConcept=nil, @valueString=nil, @valueRange=nil, @valueRatio=nil, @valueSampledData=nil, @valueAttachment=nil, @valueTime=nil, @valueDateTime=nil, @valuePeriod=nil, @dataAbsentReason=nil, @interpretation=nil, @comments=nil, @bodySite=nil, @local_method=nil, @specimen=nil, @device=nil, @referenceRange=[], @related=[], @component=[]>, #<FHIR::DSTU2::Observation:0x007fc6a9e31030 @id="b2a34309-fc52-4264-ac4b-de5cae7ad4e6", @meta=#<FHIR::DSTU2::Meta:0x007fc6a9e30270 @id=nil, @extension=[], @versionId="1", @lastUpdated="2018-05-07T13:17:52.519-04:00", @profile=[], @security=[], @tag=[#<FHIR::DSTU2::Coding:0x007fc6a9e27cd8 @id=nil, @extension=[], @system="https://smarthealthit.org/tags", @version=nil, @code="synthea-8-2017", @display=nil, @userSelected=nil>]>, @implicitRules=nil, @language=nil, @text=nil, @contained=[], @extension=[], @modifierExtension=[], @identifier=[], @status="final", @category=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e27148 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e26f68 @id=nil, @extension=[], @system="http://hl7.org/fhir/observation-category", @version=nil, @code="laboratory", @display=nil, @userSelected=nil>], @text=nil>, @code=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e266f8 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e26518 @id=nil, @extension=[], @system="http://loinc.org", @version=nil, @code="20565-8", @display="Carbon Dioxide", @userSelected=nil>], @text="Carbon Dioxide">, @subject=#<FHIR::DSTU2::Reference:0x007fc6a9e25a28 @id=nil, @extension=[], @reference="Patient/0b1242d9-fd7e-4dbf-8e2d-c8428557b720", @display=nil>, @encounter=#<FHIR::DSTU2::Reference:0x007fc6a9e255c8 @id=nil, @extension=[], @reference="Encounter/7b087139-6806-480c-ad64-7251cde227fe", @display=nil>, @effectiveDateTime="2012-05-25T05:42:13-04:00", @effectivePeriod=nil, @issued="2012-05-25T05:42:13-04:00", @performer=[], @valueQuantity=#<FHIR::DSTU2::Quantity:0x007fc6a9e24ee8 @id=nil, @extension=[], @value=28, @comparator=nil, @unit="mmol/L", @system="http://unitsofmeasure.org/", @code="mmol/L">, @valueCodeableConcept=nil, @valueString=nil, @valueRange=nil, @valueRatio=nil, @valueSampledData=nil, @valueAttachment=nil, @valueTime=nil, @valueDateTime=nil, @valuePeriod=nil, @dataAbsentReason=nil, @interpretation=nil, @comments=nil, @bodySite=nil, @local_method=nil, @specimen=nil, @device=nil, @referenceRange=[], @related=[], @component=[]>, #<FHIR::DSTU2::Observation:0x007fc6a9e1ed68 @id="69ac3edb-ca8a-45d6-8abb-6df79ba377a8", @meta=#<FHIR::DSTU2::Meta:0x007fc6a9e1dfa8 @id=nil, @extension=[], @versionId="1", @lastUpdated="2018-05-07T13:17:52.432-04:00", @profile=[], @security=[], @tag=[#<FHIR::DSTU2::Coding:0x007fc6a9e1da08 @id=nil, @extension=[], @system="https://smarthealthit.org/tags", @version=nil, @code="synthea-8-2017", @display=nil, @userSelected=nil>]>, @implicitRules=nil, @language=nil, @text=nil, @contained=[], @extension=[], @modifierExtension=[], @identifier=[], @status="final", @category=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e1ce78 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e1cc98 @id=nil, @extension=[], @system="http://hl7.org/fhir/observation-category", @version=nil, @code="laboratory", @display=nil, @userSelected=nil>], @text=nil>, @code=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e1c428 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e1c248 @id=nil, @extension=[], @system="http://loinc.org", @version=nil, @code="49765-1", @display="Calcium", @userSelected=nil>], @text="Calcium">, @subject=#<FHIR::DSTU2::Reference:0x007fc6a9e1b708 @id=nil, @extension=[], @reference="Patient/0b1242d9-fd7e-4dbf-8e2d-c8428557b720", @display=nil>, @encounter=#<FHIR::DSTU2::Reference:0x007fc6a9e1b2a8 @id=nil, @extension=[], @reference="Encounter/7b087139-6806-480c-ad64-7251cde227fe", @display=nil>, @effectiveDateTime="2012-05-25T05:42:13-04:00", @effectivePeriod=nil, @issued="2012-05-25T05:42:13-04:00", @performer=[], @valueQuantity=#<FHIR::DSTU2::Quantity:0x007fc6a9e1abc8 @id=nil, @extension=[], @value=8.937266209963536, @comparator=nil, @unit="mg/dL", @system="http://unitsofmeasure.org/", @code="mg/dL">, @valueCodeableConcept=nil, @valueString=nil, @valueRange=nil, @valueRatio=nil, @valueSampledData=nil, @valueAttachment=nil, @valueTime=nil, @valueDateTime=nil, @valuePeriod=nil, @dataAbsentReason=nil, @interpretation=nil, @comments=nil, @bodySite=nil, @local_method=nil, @specimen=nil, @device=nil, @referenceRange=[], @related=[], @component=[]>, #<FHIR::DSTU2::Observation:0x007fc6a9e18a58 @id="1038e845-df2b-4a04-9a9c-925274e0f5bd", @meta=#<FHIR::DSTU2::Meta:0x007fc6a9e17c48 @id=nil, @extension=[], @versionId="1", @lastUpdated="2018-05-07T13:17:52.452-04:00", @profile=[], @security=[], @tag=[#<FHIR::DSTU2::Coding:0x007fc6a9e176f8 @id=nil, @extension=[], @system="https://smarthealthit.org/tags", @version=nil, @code="synthea-8-2017", @display=nil, @userSelected=nil>]>, @implicitRules=nil, @language=nil, @text=nil, @contained=[], @extension=[], @modifierExtension=[], @identifier=[], @status="final", @category=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e16b68 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e16988 @id=nil, @extension=[], @system="http://hl7.org/fhir/observation-category", @version=nil, @code="laboratory", @display=nil, @userSelected=nil>], @text=nil>, @code=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e16118 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e15f38 @id=nil, @extension=[], @system="http://loinc.org", @version=nil, @code="2947-0", @display="Sodium", @userSelected=nil>], @text="Sodium">, @subject=#<FHIR::DSTU2::Reference:0x007fc6a9e15448 @id=nil, @extension=[], @reference="Patient/0b1242d9-fd7e-4dbf-8e2d-c8428557b720", @display=nil>, @encounter=#<FHIR::DSTU2::Reference:0x007fc6a9e14fe8 @id=nil, @extension=[], @reference="Encounter/7b087139-6806-480c-ad64-7251cde227fe", @display=nil>, @effectiveDateTime="2012-05-25T05:42:13-04:00", @effectivePeriod=nil, @issued="2012-05-25T05:42:13-04:00", @performer=[], @valueQuantity=#<FHIR::DSTU2::Quantity:0x007fc6a9e147c8 @id=nil, @extension=[], @value=136, @comparator=nil, @unit="mmol/L", @system="http://unitsofmeasure.org/", @code="mmol/L">, @valueCodeableConcept=nil, @valueString=nil, @valueRange=nil, @valueRatio=nil, @valueSampledData=nil, @valueAttachment=nil, @valueTime=nil, @valueDateTime=nil, @valuePeriod=nil, @dataAbsentReason=nil, @interpretation=nil, @comments=nil, @bodySite=nil, @local_method=nil, @specimen=nil, @device=nil, @referenceRange=[], @related=[], @component=[]>, #<FHIR::DSTU2::Observation:0x007fc6a9e02500 @id="7871dda7-8cc1-4350-a2d4-ab614b0a78bd", @meta=#<FHIR::DSTU2::Meta:0x007fc6a9e01740 @id=nil, @extension=[], @versionId="1", @lastUpdated="2018-05-07T13:18:04.250-04:00", @profile=[], @security=[], @tag=[#<FHIR::DSTU2::Coding:0x007fc6a9e011f0 @id=nil, @extension=[], @system="https://smarthealthit.org/tags", @version=nil, @code="synthea-8-2017", @display=nil, @userSelected=nil>]>, @implicitRules=nil, @language=nil, @text=nil, @contained=[], @extension=[], @modifierExtension=[], @identifier=[], @status="final", @category=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9e00660 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9e00480 @id=nil, @extension=[], @system="http://hl7.org/fhir/observation-category", @version=nil, @code="vital-signs", @display=nil, @userSelected=nil>], @text=nil>, @code=#<FHIR::DSTU2::CodeableConcept:0x007fc6a9dfbbd8 @id=nil, @extension=[], @coding=[#<FHIR::DSTU2::Coding:0x007fc6a9dfb9f8 @id=nil, @extension=[], @system="http://loinc.org", @version=nil, @code="8331-1", @display="Oral temperature", @userSelected=nil>], @text="Oral temperature">, @subject=#<FHIR::DSTU2::Reference:0x007fc6a9dfaf08 @id=nil, @extension=[], @reference="Patient/b5b32f55-c4a5-4c4e-aac8-9b08386b2752", @display=nil>, @encounter=#<FHIR::DSTU2::Reference:0x007fc6a9dfaaa8 @id=nil, @extension=[], @reference="Encounter/8d0fdef4-6811-4919-88c4-953fdfeb37ca", @display=nil>, @effectiveDateTime="2010-12-13T07:03:12-05:00", @effectivePeriod=nil, @issued="2010-12-13T07:03:12-05:00", @performer=[], @valueQuantity=#<FHIR::DSTU2::Quantity:0x007fc6a9dfa3c8 @id=nil, @extension=[], @value=37, @comparator=nil, @unit="Cel", @system="http://unitsofmeasure.org/", @code="Cel">, @valueCodeableConcept=nil, @valueString=nil, @valueRange=nil, @valueRatio=nil, @valueSampledData=nil, @valueAttachment=nil, @valueTime=nil, @valueDateTime=nil, @valuePeriod=nil, @dataAbsentReason=nil, @interpretation=nil, @comments=nil, @bodySite=nil, @local_method=nil, @specimen=nil, @device=nil, @referenceRange=[], @related=[], @component=[]>]

response element in middle of patient

When I do a Patient.read I get this response in the middle of th patient. I do not get it on any other models.

 @resource_class=FHIR::Patient,
 @response=
  {:code=>"200",
   :headers=>
    {"cache-control"=>"private",
     "content-length"=>"3245",
     "content-type"=>"application/json+fhir; charset=utf-8",
     "server"=>"Microsoft-IIS/7.5",
     "x-aspnet-version"=>"4.0.30319",
     "x-powered-by"=>"ASP.NET",
     "date"=>"Wed, 06 Jul 2016 04:35:43 GMT"},
   :body=>
    "{\"resourceType\":\"Patient\",\"id\":\"19\",\"text\":{\"status\":\"generated\",\"div\":\"<div>\\n<p><table width=\\\"500\\\">\\n<tbody>\\n<tr>\\n            <td>Name</td>\\n            <td>Allison  <b>Allscripts</b> (&quot;Allison&quot;)</td>\\n          </tr>\\n<tr>\\n            <td>Address</td>\\n            <td>34 Smith Mt. Road. Apartment 1 Springfield IL 60654     </td>\\n          </tr>\\n<tr>\\n            <td>Contacts</td>\\n            <td>Home: (312) 555-1112. Work: (847) 608-3515x4357 </td>\\n          </tr>\\n<tr>\\n            <td>Id:19</td>\\n            <td>MRN: ZZZTW01 </td>\\n          </tr>\\n</tbody>\\n      </table>\\n</p>    </div>\"},\"extension\":[{\"url\":\"http://hl7.org/fhir/StructureDefinition/us-core-race\",\"valueCodeableConcept\":{\"coding\":[{\"system\":\"OBM\",\"code\":\"0\",\"display\":\" \"}]}},{\"url\":\"http://hl7.org/fhir/StructureDefinition/us-core-ethnicity\",\"valueCodeableConcept\":{\"coding\":[{\"system\":\"OBM\",\"code\":\"0\",\"display\":\"\"}]}},{\"url\":\"http://hl7.org/fhir/StructureDefinition/us-core-religion\",\"valueCodeableConcept\":{\"coding\":[{\"code\":\"          \",\"display\":\" \"}]}}],\"identifier\":[{\"type\":{\"coding\":[{\"code\":\"ZZZTW01\",\"display\":\"ZZZTW01\",\"userSelected\":false},{\"code\":\"4         \",\"display\":\"Other\",\"userSelected\":false}],\"text\":\"TouchWorks MRN\"},\"system\":\"dummy identifier system\",\"value\":\"ZZZTW01\",\"assigner\":{\"reference\":\"Organization/3\"}}],\"active\":true,\"name\":[{\"text\":\"Allscripts,Allison \",\"family\":[\"Allscripts\"],\"given\":[\"Allison\"],\"prefix\":[\"     \"],\"suffix\":[\"     \"]}],\"telecom\":[{\"system\":\"phone\",\"value\":\"(312) 555-1112\",\"use\":\"home\"},{\"system\":\"phone\",\"value\":\"(847) 608-3515x4357 \",\"use\":\"work\"},{\"system\":\"fax\",\"value\":\"(708) 555-1001\"},{\"system\":\"email\",\"value\":\"[email protected]\"}],\"gender\":\"female\",\"birthDate\":\"1973-03-05\",\"deceasedBoolean\":false,\"address\":[{\"text\":\"34 Smith Mt. Road. Apartment 1 Springfield IL 60654      USA\",\"line\":[\"34 Smith Mt. Road.\",\"Apartment 1\"],\"city\":\"Springfield\",\"state\":\"IL\",\"postalCode\":\"60654     \",\"country\":\"US\"}],\"maritalStatus\":{\"coding\":[{\"system\":\"http://hl7.org/fhir/v3/vs/MaritalStatus\",\"code\":\"W\",\"display\":\"Widowed\"}]},\"multipleBirthBoolean\":false,\"contact\":[{\"relationship\":[{\"coding\":[{\"code\":\"4         \",\"display\":\"Other\"}]}],\"name\":{\"text\":\"Washington George\",\"family\":[\"Washington\"],\"given\":[\"George\"]},\"telecom\":[{\"system\":\"other\",\"value\":\"(312) 555-1101\",\"use\":\"home\"},{\"system\":\"other\",\"value\":\"(773) 555-1201x1101\",\"use\":\"work\"}],\"address\":{\"line\":[\"123 Waulnut Street\",\"Apartment 2E\"],\"city\":\"dummy address city\",\"state\":\"dummy address state\",\"postalCode\":\"dummy address postal code\",\"country\":\"dummy address country\"}},{\"relationship\":[{\"coding\":[{\"code\":\"4         \",\"display\":\"Other\"}]}],\"name\":{\"text\":\"Adams Abigail\",\"family\":[\"Adams\"],\"given\":[\"Abigail\"]},\"telecom\":[{\"system\":\"other\",\"value\":\"(312) 555-7701x8850\",\"use\":\"work\"},{\"system\":\"other\",\"value\":\"(847) 555-9901\",\"use\":\"home\"}],\"address\":{\"line\":[\"123 Main Street\",\"Apartment 41\"],\"city\":\"dummy address city\",\"state\":\"dummy address state\",\"postalCode\":\"dummy address postal code\",\"country\":\"dummy address country\"}}],\"communication\":[{\"language\":{\"coding\":[{\"system\":\"ISO-639-2\",\"code\":\"en\",\"display\":\"English\"}]}}],\"careProvider\":[{\"reference\":\"Practitioner/53\",\"display\":\"Allscripts,Family Medicine \"}]}"}>,

@security_headers={},

The call is patient = FHIR::Patient.read(@patient_number)

Merge multiversion into master

fhir::count task fails on R4 server

See PR #116

Is there any option to get patient information from NHS server

Anyone have idea about how to retrieve data from NHS server.
I have patient information store like firstname, lastname, dob etc.

Let me know if any one have idea about that.

unable to get AllergyIntolerence from FHIR for a patient

@fhir_client.search(FHIR::AllergyIntolerence, search: { parameters: { patient: @patient.id }}).resource

Completed 500 Internal Server Error in 11458ms (ActiveRecord: 2.1ms) NameError (uninitialized constant FHIR::AllergyIntolerence)

Review API naming conventions (for version 4.0?)

There are a few method calls that are against Ruby style. We have muted them in Rubocop for now, but at a major version update that should be revisited.

See #88

does not switch to JSON

connecting to the cerner sandbox https://fhir-open.sandboxcernerpowerchart.com/may2015/d075cf8b-3261-481d-97e5-ba6c48d3b41f/Patient/2744010 fails unless I hard code the change of the default to json.

Is there a way on initialization to specify JSON or XML. Cerner only supports JSON.

Cerner Immunization missing the vaccine

this is returned from the cerner sandbox:

{
"resourceType": "Bundle",
"id": "04eeda50-049a-459e-8818-0c57df0eff24",
"type": "searchset",
"base": "https://fhir-open.sandboxcernerpowerchart.com/may2015/d075cf8b-3261-481d-97e5-ba6c48d3b41f",
"total": 1,
"link": [
{
"relation": "self",
"url": "https://fhir-open.sandboxcernerpowerchart.com/may2015/d075cf8b-3261-481d-97e5-ba6c48d3b41f/Immunization?patient=2744010"
}
],
"entry": [
{
"resource": {
"resourceType": "Immunization",
"id": "M3869433",
"text": {
"status": "generated",
"div": "

Immunization

Date: 2014-09-25T21:00:00.000Z

Given: Yes

Administered by: Kolm, Margaret

Site: left arm

Route: IM

"
},
"date": "2014-09-25T21:00:00.000Z",
"vaccineType": {
"coding": [
{
"system": "http://www2a.cdc.gov/vaccines/iis/iisstandards/vaccines.asp?rpt=cvx",
"code": "88"
}
],
"text": "Fluzone"
},
"patient": {
"reference": "Patient/2744010"
},
"wasNotGiven": false,
"reported": false,
"performer": {
"reference": "Practitioner/2770007",
"display": "Kolm, Margaret"
},
"encounter": {
"reference": "Encounter/2457918"
},
"manufacturer": {
"reference": "Organization/661540",
"display": "SANOFI WINTHROP PHARMACEUTICALS"
},
"lotNumber": "4264a",
"expirationDate": "2015-09-25",
"site": {
"coding": [
{
"system": "http://hl7.org/fhir/v3/ActSite",
"code": "LA",
"display": "left arm"
}
],
"text": "left arm"
},
"route": {
"text": "IM"
},
"doseQuantity": {
"value": 0.1,
"units": "mL"
}
}
}
]
}

this is what is parsed in to immunization:

<FHIR::Immunization:0x007fa8ac9eea38

@contained=[],
@Date="2014-09-25T21:00:00.000Z",
@doseQuantity=
#<FHIR::Quantity:0x007fa8ac9ff108
@code=nil,
@comparator=nil,
@extension=[],
@id=nil,
@System=nil,
@Unit=nil,
@value=0.1>,
@encounter=
#<FHIR::Reference:0x007fa8ac98cdb0
@display=nil,
@extension=[],
@id=nil,
@reference="Encounter/2457918">,
@expirationDate="2015-09-25",
@explanation=nil,
@extension=[],
@id="M3869433",
@Identifier=[],
@implicitRules=nil,
@language=nil,
@location=nil,
@lotNumber="4264a",
@Manufacturer=
#<FHIR::Reference:0x007fa8ac98ca18
@display="SANOFI WINTHROP PHARMACEUTICALS",
@extension=[],
@id=nil,
@reference="Organization/661540">,
@meta=nil,
@modifierExtension=[],
@note=[],
@patient=
#<FHIR::Reference:0x007fa8ac98e728
@display=nil,
@extension=[],
@id=nil,
@reference="Patient/2744010">,
@Performer=
#<FHIR::Reference:0x007fa8ac98d7b0
@display="Kolm, Margaret",
@extension=[],
@id=nil,
@reference="Practitioner/2770007">,
@reaction=[],
@Reported=false,
@requester=nil,
@route=
#<FHIR::CodeableConcept:0x007fa8ac9ff590
@coding=[],
@extension=[],
@id=nil,
@text="IM">,
@site=
#<FHIR::CodeableConcept:0x007fa8ac98c270
@coding=
[#<FHIR::Coding:0x007fa8ac98c220
@code="LA",
@display="left arm",
@extension=[],
@id=nil,
@System="http://hl7.org/fhir/v3/ActSite",
@userSelected=nil,
@Version=nil>],
@extension=[],
@id=nil,
@text="left arm">,
@status=nil,
@text=
#<FHIR::Narrative:0x007fa8ac98f920
@div=
"

Immunization

Date: 2014-09-25T21:00:00.000Z

Given: Yes

Administered by: Kolm, Margaret

Site: left arm

Route: IM

",
@extension=[],
@id=nil,
@status="generated">,
@vaccinationProtocol=[],
@vaccineCode=nil,
@wasNotGiven=false>

The vaccineCode is nil because they use vaccineType. THey use the final ballot 1.02. Is there an easy way to get access to the vaccineType they use?

Question regarding observations

I notice items like referenceRange are not filled in when the observation is displayed. Yet the values are in the xml.

I am using this to learn more about FHIR.

Client response body conversion to JSON

Hello,
My issue is more a question than a bug. I want to extend some behaviors of this gem and I stumbled into the implementation of the conversion of the client response body to JSON and I would like to understand this part line 18:

klass = Module.const_get("FHIR::#{resource_type}")

Why not pass to the #from_json method the klass objects from the callers and eventually fallback on retrieving it from the resource_type?

Thanks in advance.

please use the github 'release' feature and/or tag gem versions

At least tagging the repo at points where gems are released makes things easier for those who want to refer back to older versions of the gem.

Unable to get MedicationStatement from Patient

Firstly, thanks for providing this gem!

My issue is actually just a couple of questions, but I wasn't sure where else to put it.

If I have a reference to a Patient object, what's the best way to get one of its associated objects, MedicationStatement for instance? If it matters, I got the Patient reference thusly: fhir_client.read(FHIR::Patient, patient_id, FHIR::Formats::ResourceFormat::RESOURCE_JSON_DSTU2).resource
Does this client gem support OAuth2 authentication where you have only a client_id and an application ID, but no client_secret? Browsing the source, it looks like not, but I just wanted to confirm.

Much appreciated!

Can't modify frozen String

Trying to add a Content-Type header throws said error on recent Ruby versions because of frozen strings.

On this line https://github.com/fhir-crucible/fhir_client/blob/master/lib/fhir_client/resource_address.rb#L83

bundle exec rake fhir:console (error)

When I try to run that command I get the following error....

rake aborted! Don't know how to build task 'fhir:console' (see --tasks) /Users/darrenbooker/.rvm/gems/ruby-2.4.1/gems/rake-12.3.1/exe/rake:27:in <top (required)>'
/Users/darrenbooker/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in eval' /Users/darrenbooker/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in

'
(See full trace by running task with --trace)`

Confusing conditions in `parse_reply` method

I am having troubles reading the CommunicationRequest.requester.agent (please find an example of
payload here).

Our client uses the STU3 version. We call the method use_stu3 on our client. We usually read CommunicationRequest using the syntax FHIR::CommunicationRequest.read("123456"). I realized that to be able to read the attribute requester.agent, I had to use the syntax FHIR::STU3::Communication.read("123456").

Should the method used to parse the fhir payload not be based on the fhir_version of the client in priority ? So that I can call FHIR::CommunicationRequest.read("123456") and the resource will be read correctly according to the client version.

Using with SMART on FHIR Integration

I'm new to FHIR and SMART on FHIR, and would like some guidance as to how to get this working after the initial Authorization (see reference here).

Can this gem be used to bypass the JS Auth implementation to do everything from the back end?

Also, when following the official SMART on FHIR App Launcher directions with the OAuth2 strategy from the README, I get the following Ruby error:

Missing client_assertion_type parameter

at the following line:

client.set_oauth2_auth(client_id, client_secret, options[:authorize_url] ,options[:token_url], options[:site])

there are options values for all keys except options[:site].

I'm likely doing something completely wrong. Any guidance would be much appreciated.

Logging strategy regression

Hello guys,

around January #74 by @mtparet was merged, changing the log levels (using info could leak sensitive information in the logs, debug for certain actions was proposed).

I recently checked the history of client.rb : https://github.com/fhir-crucible/fhir_client/commits/master/lib/fhir_client/client.rb and I noticed a commit by @jawalonoski reverting all those changes :

I therefore wanted to know where you stand on this logging strategy. Was it a mistake or do you prefer the info level ? In this case, are you open to a suggestion to let the consumer sets the logging level ?

Thanks for your help

Developers Seeking Advise for Working with FHIR

I am an intern building a mobile app using a Rails API with the FHIR gem for the local hospital. I need to pull all the observations for a specific patient into our DB. So far I am able to pull what (I think) are all the observations (for the patient) from the sandbox like this:

client = FHIR::Client.new('http://r2.smarthealthit.org')
client.use_dstu2
patient_response = client.read(FHIR::Patient, '6638c5fe-0e89-442f-a970-2228d61b141c')
patient = patient_response.resource
observation_response = client.search(FHIR::Observation, search: { parameters: {patient: patient.id}})
observation_response.resource.entry.map(&:resource)

But I can't figure out how to pull specific observations and their values out. Specifically blood pressure data. It seems like it's a simple matter of knowing the key value pairs, i.e. observation_response.entry[0].systolic or something like that, but I'm having little luck. Forgive me if there is an obvious answer that I'm missing, but I've been stuck on this for awhile now.

Any advice would be greatly appreciated!

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