001/*-
002 * #%L
003 * HAPI FHIR - Core Library
004 * %%
005 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.narrative2;
021
022import ca.uhn.fhir.context.FhirContext;
023import ca.uhn.fhir.util.BundleUtil;
024import org.apache.commons.lang3.tuple.Pair;
025import org.hl7.fhir.instance.model.api.IBaseBundle;
026import org.hl7.fhir.instance.model.api.IBaseResource;
027
028import java.util.List;
029import java.util.Objects;
030
031/**
032 * An instance of this class is added to the Thymeleaf context as a variable with
033 * name <code>"narrativeUtil"</code> and can be accessed from narrative templates.
034 *
035 * @since 7.0.0
036 */
037public class NarrativeGeneratorTemplateUtils {
038
039        public static final NarrativeGeneratorTemplateUtils INSTANCE = new NarrativeGeneratorTemplateUtils();
040
041        /**
042         * Given a Bundle as input, are any entries present with a given resource type
043         */
044        public boolean bundleHasEntriesWithResourceType(IBaseBundle theBaseBundle, String theResourceType) {
045                FhirContext ctx = theBaseBundle.getStructureFhirVersionEnum().newContextCached();
046                List<Pair<String, IBaseResource>> entryResources =
047                                BundleUtil.getBundleEntryUrlsAndResources(ctx, theBaseBundle);
048                return entryResources.stream()
049                                .map(Pair::getValue)
050                                .filter(Objects::nonNull)
051                                .anyMatch(t -> ctx.getResourceType(t).equals(theResourceType));
052        }
053}