ObservationSearchHandler1_8.java

/**
 * This Source Code Form is subject to the terms of the Mozilla Public License,
 * v. 2.0. If a copy of the MPL was not distributed with this file, You can
 * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
 * the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
 *
 * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
 * graphic logo is a trademark of OpenMRS Inc.
 */
package org.openmrs.module.webservices.rest.web.v1_0.search.openmrs1_8;

import java.util.Arrays;
import java.util.List;

import org.openmrs.Concept;
import org.openmrs.Obs;
import org.openmrs.Patient;
import org.openmrs.api.context.Context;
import org.openmrs.module.webservices.rest.web.RequestContext;
import org.openmrs.module.webservices.rest.web.RestConstants;
import org.openmrs.module.webservices.rest.web.api.RestService;
import org.openmrs.module.webservices.rest.web.resource.api.PageableResult;
import org.openmrs.module.webservices.rest.web.resource.api.SearchConfig;
import org.openmrs.module.webservices.rest.web.resource.api.SearchHandler;
import org.openmrs.module.webservices.rest.web.resource.api.SearchQuery;
import org.openmrs.module.webservices.rest.web.resource.impl.EmptySearchResult;
import org.openmrs.module.webservices.rest.web.resource.impl.NeedsPaging;
import org.openmrs.module.webservices.rest.web.response.ResponseException;
import org.openmrs.module.webservices.rest.web.v1_0.resource.openmrs1_8.ConceptResource1_8;
import org.openmrs.module.webservices.rest.web.v1_0.resource.openmrs1_8.PatientResource1_8;
import org.springframework.stereotype.Component;

/**
 * The contents of this file are subject to the OpenMRS Public License Version 1.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy of the
 * License at http://license.openmrs.org Software distributed under the License is distributed on an
 * "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
 * specific language governing rights and limitations under the License. Copyright (C) OpenMRS, LLC.
 * All Rights Reserved.
 */
@Component
public class ObservationSearchHandler1_8 implements SearchHandler {
	
	private final SearchConfig searchConfig = new SearchConfig("default", RestConstants.VERSION_1 + "/obs", Arrays.asList(
	    "1.8.*", "1.9.*", "1.10.*", "1.11.*", "1.12.*", "2.0.*", "2.1.*"), Arrays.asList(new SearchQuery.Builder(
	        "Allows you to find Observations by patient and concept").withRequiredParameters("patient", "concept").build()));
	
	@Override
	public SearchConfig getSearchConfig() {
		return this.searchConfig;
	}
	
	@Override
	public PageableResult search(RequestContext context) throws ResponseException {
		
		String patientUuid = context.getRequest().getParameter("patient");
		String conceptUuid = context.getRequest().getParameter("concept");
		List<Concept> concepts = null;
		
		if (patientUuid != null) {
			Patient patient = ((PatientResource1_8) Context.getService(RestService.class).getResourceBySupportedClass(
			    Patient.class)).getByUniqueId(patientUuid);
			if (patient != null && conceptUuid != null) {
				if (conceptUuid != null) {
					Concept concept = ((ConceptResource1_8) Context.getService(RestService.class)
					        .getResourceBySupportedClass(Concept.class)).getByUniqueId(conceptUuid);
					
					List<Obs> obs = Context.getObsService().getObservationsByPersonAndConcept(patient, concept);
					return new NeedsPaging<Obs>(obs, context);
				}
				
			}
		}
		
		return new EmptySearchResult();
	}
}