org.openmrs.module.clinicalsummary.rule.reminder.adult.general.RepeatCreatinineReminderRule.java Source code

Introduction

Here is the source code for org.openmrs.module.clinicalsummary.rule.reminder.adult.general.RepeatCreatinineReminderRule.java

Source

/**
 * 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.clinicalsummary.rule.reminder.adult.general;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.logic.LogicContext;
import org.openmrs.logic.LogicException;
import org.openmrs.logic.result.Result;
import org.openmrs.module.clinicalsummary.rule.EvaluableConstants;
import org.openmrs.module.clinicalsummary.rule.EvaluableNameConstants;
import org.openmrs.module.clinicalsummary.rule.EvaluableRule;
import org.openmrs.module.clinicalsummary.rule.observation.ObsWithRestrictionRule;
import org.openmrs.module.clinicalsummary.rule.observation.ObsWithStringRestrictionRule;
import org.openmrs.module.clinicalsummary.rule.reminder.ReminderParameters;

import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.Map;

public class RepeatCreatinineReminderRule extends EvaluableRule {

    private static final Log log = LogFactory.getLog(RepeatCreatinineReminderRule.class);

    public static final String TOKEN = "Repeat Creatinine Reminder";

    /**
     * @see org.openmrs.logic.Rule#eval(org.openmrs.logic.LogicContext, Integer, java.util.Map)
     */
    @Override
    protected Result evaluate(final LogicContext context, final Integer patientId,
            final Map<String, Object> parameters) throws LogicException {
        Result result = new Result();

        ObsWithRestrictionRule obsWithRestrictionRule = new ObsWithStringRestrictionRule();
        parameters.put(EvaluableConstants.OBS_FETCH_SIZE, 2);
        parameters.put(EvaluableConstants.OBS_CONCEPT, Arrays.asList(EvaluableNameConstants.SERUM_CREATININE));
        Result creatinineResults = obsWithRestrictionRule.eval(context, patientId, parameters);
        if (CollectionUtils.size(creatinineResults) == 1) {
            // get the latest test ordered
            Result latestCreatinineResult = creatinineResults.latest();

            parameters.put(EvaluableConstants.OBS_FETCH_SIZE, 1);
            parameters.put(EvaluableConstants.OBS_CONCEPT, Arrays.asList(EvaluableNameConstants.TESTS_ORDERED));
            parameters.put(EvaluableConstants.OBS_VALUE_CODED,
                    Arrays.asList(EvaluableNameConstants.CHEMISTRY_LAB_TESTS,
                            EvaluableNameConstants.SERUM_CREATININE, EvaluableNameConstants.SERUM_ELECTROLYTES));

            Calendar calendar = Calendar.getInstance();
            calendar.add(Calendar.MONTH, -6);
            Date sixMonths = calendar.getTime();

            Result testResults = obsWithRestrictionRule.eval(context, patientId, parameters);

            // if creatinine > 200 and no test or the test was ordered more than six months ago, then show the reminder
            if (latestCreatinineResult.toNumber() > 200
                    && (CollectionUtils.isEmpty(testResults) || testResults.getResultDate().before(sixMonths))) {
                // prepare the search for referrals
                parameters.put(EvaluableConstants.OBS_CONCEPT,
                        Arrays.asList(EvaluableNameConstants.REFERRALS_ORDERED));
                parameters.put(EvaluableConstants.OBS_VALUE_CODED,
                        Arrays.asList(EvaluableNameConstants.REFERRAL_CONSULTANT,
                                EvaluableNameConstants.REFERRAL_MEDICAL_OFFICER));
                Result referralResults = obsWithRestrictionRule.eval(context, patientId, parameters);
                if (CollectionUtils.isEmpty(referralResults))
                    result.add(
                            new Result(String.valueOf(parameters.get(ReminderParameters.DISPLAYED_REMINDER_TEXT))));
            }
        }

        return result;
    }

    /**
     * @see org.openmrs.logic.Rule#getDependencies()
     */
    @Override
    public String[] getDependencies() {
        return new String[] { ObsWithStringRestrictionRule.TOKEN };
    }

    /**
     * Get the token name of the rule that can be used to reference the rule from LogicService
     *
     * @return the token name
     */
    @Override
    protected String getEvaluableToken() {
        return TOKEN;
    }
}