org.openmrs.module.uiframeworkpatientsummarysupport.fragment.controller.PatientObsFlowsheetFragmentController.java Source code

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Here is the source code for org.openmrs.module.uiframeworkpatientsummarysupport.fragment.controller.PatientObsFlowsheetFragmentController.java

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/**
 * 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.
 */
package org.openmrs.module.uiframeworkpatientsummarysupport.fragment.controller;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.openmrs.Concept;
import org.openmrs.Obs;
import org.openmrs.Patient;
import org.openmrs.Person;
import org.openmrs.api.context.Context;
import org.openmrs.ui.framework.annotation.FragmentParam;
import org.openmrs.ui.framework.fragment.FragmentModel;
import org.openmrs.util.OpenmrsConstants.PERSON_TYPE;
import org.springframework.stereotype.Controller;

/**
 * {@link Controller} for the Obs Flowsheet Fragment
 */
public class PatientObsFlowsheetFragmentController {

    public void controller(FragmentModel model, @FragmentParam(value = "patientId") Patient patient,
            @FragmentParam(value = "conceptIds") ArrayList<Concept> questionConcepts,
            @FragmentParam(value = "withinDays", required = false) Integer withinDays,
            @FragmentParam(value = "maximumNumber", required = false) Integer maximumNumber) {

        List<Person> persons = new ArrayList<Person>();
        persons.add(patient);

        List<PERSON_TYPE> personTypes = new ArrayList<PERSON_TYPE>();
        personTypes.add(PERSON_TYPE.PATIENT);

        //we want the latest obs to be displayed at the top
        List<String> sortList = new ArrayList<String>();
        sortList.add("obsDatetime");

        Date fromDate = null;
        if (withinDays != null) {
            Calendar cal = Calendar.getInstance();
            cal.add(Calendar.DAY_OF_MONTH, -withinDays);
            fromDate = startOfDay(cal.getTime());
        }

        List<Obs> observations = Context.getObsService().getObservations(persons, null, questionConcepts, null,
                personTypes, null, sortList, null, null, fromDate, null, false);
        if (maximumNumber != null)
            observations = observations.subList(0, maximumNumber);

        Map<Concept, List<Obs>> conceptObsMap = new HashMap<Concept, List<Obs>>();
        for (Obs o : observations) {
            if (!conceptObsMap.containsKey(o.getConcept()))
                conceptObsMap.put(o.getConcept(), new ArrayList<Obs>());

            conceptObsMap.get(o.getConcept()).add(o);
        }

        model.addAttribute("conceptObsMap", conceptObsMap);
    }

    /**
     * This method was actually added in core as of 1.9
     */
    private static Date startOfDay(Date date) {
        if (date == null)
            return null;

        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.set(Calendar.HOUR_OF_DAY, 0);
        c.set(Calendar.MINUTE, 0);
        c.set(Calendar.SECOND, 0);
        c.set(Calendar.MILLISECOND, 0);

        return c.getTime();
    }
}