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.context.FhirVersionEnum;
024import ca.uhn.fhir.util.BundleUtil;
025import org.apache.commons.lang3.tuple.Pair;
026import org.hl7.fhir.instance.model.api.IBaseBundle;
027import org.hl7.fhir.instance.model.api.IBaseResource;
028
029import java.util.List;
030import java.util.Objects;
031
032/**
033 * An instance of this class is added to the Thymeleaf context as a variable with
034 * name <code>"narrativeUtil"</code> and can be accessed from narrative templates.
035 *
036 * @since 7.0.0
037 */
038public class NarrativeGeneratorTemplateUtils {
039
040        public static final NarrativeGeneratorTemplateUtils INSTANCE = new NarrativeGeneratorTemplateUtils();
041
042        /**
043         * Given a Bundle as input, are any entries present with a given resource type
044         */
045        public boolean bundleHasEntriesWithResourceType(IBaseBundle theBaseBundle, String theResourceType) {
046                FhirVersionEnum fhirVersionEnum = theBaseBundle.getStructureFhirVersionEnum();
047                FhirContext ctx = FhirContext.forCached(fhirVersionEnum);
048                List<Pair<String, IBaseResource>> entryResources =
049                                BundleUtil.getBundleEntryUrlsAndResources(ctx, theBaseBundle);
050                return entryResources.stream()
051                                .map(Pair::getValue)
052                                .filter(Objects::nonNull)
053                                .anyMatch(t -> ctx.getResourceType(t).equals(theResourceType));
054        }
055}