FHIR リソースのパッチ適用

このコードサンプルを含む詳細なドキュメントについては、以下をご覧ください。

FHIR リソースの作成と管理

コードサンプル

Go

このサンプルを試す前に、クライアントライブラリを使用した Cloud Healthcare API クイックスタートにある Go の設定手順を実施してください。詳細については、Cloud Healthcare API Go API のリファレンスドキュメントをご覧ください。

Cloud Healthcare API への認証を行うには、アプリケーションのデフォルト認証情報を設定します。詳細については、ローカル開発環境の認証の設定をご覧ください。

import (
	"bytes"
	"context"
	"encoding/json"
	"fmt"
	"io"
	"io/ioutil"

	healthcare "google.golang.org/api/healthcare/v1"
)

// patchFHIRResource patches an FHIR resource to be active or not.
func patchFHIRResource(w io.Writer, projectID, location, datasetID, fhirStoreID, resourceType, fhirResourceID string, active bool) error {
	ctx := context.Background()

	healthcareService, err := healthcare.NewService(ctx)
	if err != nil {
		return fmt.Errorf("healthcare.NewService: %w", err)
	}

	fhirService := healthcareService.Projects.Locations.Datasets.FhirStores.Fhir

	// The following payload works with a Patient resource and is not intended to work with
	// other types of FHIR resources. If necessary, supply a new payload with data that
	// corresponds to the FHIR resource you are patching.
	payload := []map[string]interface{}{
		{
			"op":    "replace",
			"path":  "/active",
			"value": active,
		},
	}
	jsonPayload, err := json.Marshal(payload)
	if err != nil {
		return fmt.Errorf("json.Encode: %w", err)
	}

	name := fmt.Sprintf("projects/%s/locations/%s/datasets/%s/fhirStores/%s/fhir/%s/%s", projectID, location, datasetID, fhirStoreID, resourceType, fhirResourceID)

	call := fhirService.Patch(name, bytes.NewReader(jsonPayload))
	call.Header().Set("Content-Type", "application/json-patch+json")
	resp, err := call.Do()
	if err != nil {
		return fmt.Errorf("Patch: %w", err)
	}
	defer resp.Body.Close()

	respBytes, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return fmt.Errorf("could not read response: %w", err)
	}

	if resp.StatusCode > 299 {
		return fmt.Errorf("Patch: status %d %s: %s", resp.StatusCode, resp.Status, respBytes)
	}
	fmt.Fprintf(w, "%s", respBytes)

	return nil
}

Java

このサンプルを試す前に、クライアントライブラリを使用した Cloud Healthcare API クイックスタートにある Java の設定手順を実施してください。詳細については、Cloud Healthcare API Java API のリファレンスドキュメントをご覧ください。

import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.services.healthcare.v1.CloudHealthcare;
import com.google.api.services.healthcare.v1.CloudHealthcareScopes;
import com.google.auth.http.HttpCredentialsAdapter;
import com.google.auth.oauth2.GoogleCredentials;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.Collections;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.client.methods.RequestBuilder;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClients;

public class FhirResourcePatch {
  private static final String FHIR_NAME =
      "projects/%s/locations/%s/datasets/%s/fhirStores/%s/fhir/%s/%s";
  private static final JsonFactory JSON_FACTORY = new GsonFactory();
  private static final NetHttpTransport HTTP_TRANSPORT = new NetHttpTransport();

  public static void fhirResourcePatch(String resourceName, String data)
      throws IOException, URISyntaxException {
    // String resourceName =
    //    String.format(
    //        FHIR_NAME, "project-id", "region-id", "dataset-id", "store-id", "resource-type",
    // "resource-id");
    // The following data works with a Patient resource and is not intended to work with
    // other types of FHIR resources. If necessary, supply new values for data that
    // correspond to the FHIR resource you are patching.
    // String data = "[{\"op\": \"replace\", \"path\": \"/active\", \"value\": false}]";

    // Initialize the client, which will be used to interact with the service.
    CloudHealthcare client = createClient();

    HttpClient httpClient = HttpClients.createDefault();
    String uri = String.format("%sv1/%s", client.getRootUrl(), resourceName);
    URIBuilder uriBuilder = new URIBuilder(uri).setParameter("access_token", getAccessToken());
    StringEntity requestEntity = new StringEntity(data);

    HttpUriRequest request =
        RequestBuilder.patch(uriBuilder.build())
            .setEntity(requestEntity)
            .addHeader("Content-Type", "application/json-patch+json")
            .addHeader("Accept-Charset", "utf-8")
            .addHeader("Accept", "application/fhir+json; charset=utf-8")
            .build();

    // Execute the request and process the results.
    HttpResponse response = httpClient.execute(request);
    HttpEntity responseEntity = response.getEntity();
    if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
      System.err.print(
          String.format(
              "Exception patching FHIR resource: %s\n", response.getStatusLine().toString()));
      responseEntity.writeTo(System.err);
      throw new RuntimeException();
    }
    System.out.println("FHIR resource patched: ");
    responseEntity.writeTo(System.out);
  }

  private static CloudHealthcare createClient() throws IOException {
    // Use Application Default Credentials (ADC) to authenticate the requests
    // For more information see https://cloud.google.com/docs/authentication/production
    GoogleCredentials credential =
        GoogleCredentials.getApplicationDefault()
            .createScoped(Collections.singleton(CloudHealthcareScopes.CLOUD_PLATFORM));

    // Create a HttpRequestInitializer, which will provide a baseline configuration to all requests.
    HttpRequestInitializer requestInitializer =
        request -> {
          new HttpCredentialsAdapter(credential).initialize(request);
          request.setConnectTimeout(60000); // 1 minute connect timeout
          request.setReadTimeout(60000); // 1 minute read timeout
        };

    // Build the client for interacting with the service.
    return new CloudHealthcare.Builder(HTTP_TRANSPORT, JSON_FACTORY, requestInitializer)
        .setApplicationName("your-application-name")
        .build();
  }

  private static String getAccessToken() throws IOException {
    GoogleCredentials credential =
        GoogleCredentials.getApplicationDefault()
            .createScoped(Collections.singleton(CloudHealthcareScopes.CLOUD_PLATFORM));

    return credential.refreshAccessToken().getTokenValue();
  }
}

Python

このサンプルを試す前に、クライアントライブラリを使用した Cloud Healthcare API クイックスタートにある Python の設定手順を実施してください。詳細については、Cloud Healthcare API Python API のリファレンスドキュメントをご覧ください。

# Imports the types Dict and Any for runtime type hints.
from typing import Any, Dict  # noqa: E402

def patch_resource(
    project_id: str,
    location: str,
    dataset_id: str,
    fhir_store_id: str,
    resource_type: str,
    resource_id: str,
) -> Dict[str, Any]:
    """Updates part of an existing FHIR resource by applying the operations specified in a [JSON Patch](http://jsonpatch.com/) document.

    See
    https://github.com/GoogleCloudPlatform/python-docs-samples/tree/main/healthcare/api-client/v1/fhir
    before running the sample.
    See
    https://googleapis.github.io/google-api-python-client/docs/dyn/healthcare_v1.projects.locations.datasets.fhirStores.fhir.html#patch
    for the Python API reference.

    Args:
      project_id: The project ID or project number of the Cloud project you want
        to use.
      location: The name of the parent dataset's location.
      dataset_id: The name of the parent dataset.
      fhir_store_id: The name of the FHIR store.
      resource_type: The type of the FHIR resource.
      resource_id: The "logical id" of the resource. The ID is assigned by the
        server.

    Returns:
      A dict representing the patched FHIR resource.
    """
    # Imports the Google API Discovery Service.
    from googleapiclient import discovery

    api_version = "v1"
    service_name = "healthcare"

    # Returns an authorized API client by discovering the Healthcare API
    # and using GOOGLE_APPLICATION_CREDENTIALS environment variable.
    client = discovery.build(service_name, api_version)

    # TODO(developer): Uncomment these lines and replace with your values.
    # project_id = 'my-project'
    # location = 'us-central1'
    # dataset_id = 'my-dataset'
    # fhir_store_id = 'my-fhir-store'
    # resource_type = 'Patient'
    # resource_id = 'b682d-0e-4843-a4a9-78c9ac64'
    fhir_store_parent = (
        f"projects/{project_id}/locations/{location}/datasets/{dataset_id}"
    )
    fhir_resource_path = f"{fhir_store_parent}/fhirStores/{fhir_store_id}/fhir/{resource_type}/{resource_id}"

    # The following sample body works with a Patient resource and isn't guaranteed
    # to work with other types of FHIR resources. If necessary,
    # supply a new body with data that corresponds to the resource you
    # are updating.
    patient_body = [{"op": "replace", "path": "/active", "value": False}]

    request = (
        client.projects()
        .locations()
        .datasets()
        .fhirStores()
        .fhir()
        .patch(name=fhir_resource_path, body=patient_body)
    )

    # Sets required application/json-patch+json header.
    # See https://tools.ietf.org/html/rfc6902 for more information.
    request.headers["content-type"] = "application/json-patch+json"

    response = request.execute()

    print(
        f"Patched {resource_type} resource with ID {resource_id}:\n"
        f" {json.dumps(response, indent=2)}"
    )

    return response

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FHIR リソースのパッチ適用

もっと見る

コードサンプル

Go

Java

Python

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