org.openmrs.module.clinicalsummary.rule.reminder.adult.cluster.Over300CD4ExpressCareReminderRule.java Source code

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Here is the source code for org.openmrs.module.clinicalsummary.rule.reminder.adult.cluster.Over300CD4ExpressCareReminderRule.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.clinicalsummary.rule.reminder.adult.cluster;

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.encounter.EncounterWithRestrictionRule;
import org.openmrs.module.clinicalsummary.rule.encounter.EncounterWithStringRestrictionRule;
import org.openmrs.module.clinicalsummary.rule.medication.AntiRetroViralRule;
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 Over300CD4ExpressCareReminderRule extends EvaluableRule {

    private static final Log log = LogFactory.getLog(Over300CD4ExpressCareReminderRule.class);

    public static final String TOKEN = "Over 300 CD4 Express Care Referral 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_CONCEPT,
                Arrays.asList(EvaluableNameConstants.HIV_VIRAL_LOAD_QUANTITATIVE));
        parameters.put(EvaluableConstants.ENCOUNTER_FETCH_SIZE, 2);
        Result obsClusterResults = obsWithRestrictionRule.eval(context, patientId, parameters);
        if (CollectionUtils.size(obsClusterResults) > 1) {
            Result latestClusterResult = obsClusterResults.get(0);
            Result previousClusterResult = obsClusterResults.get(1);

            Calendar calendar = Calendar.getInstance();
            calendar.setTime(latestClusterResult.getResultDate());
            calendar.add(Calendar.MONTH, -6);
            Date sixMonthsBefore = calendar.getTime();

            if (latestClusterResult.toNumber() < 1000 && previousClusterResult.toNumber() < 1000
                    && previousClusterResult.getResultDate().before(sixMonthsBefore)) {
                parameters.put(EvaluableConstants.OBS_CONCEPT,
                        Arrays.asList(EvaluableNameConstants.REFERRALS_ORDERED));
                parameters.put(EvaluableConstants.OBS_VALUE_CODED,
                        Arrays.asList(EvaluableNameConstants.EXPRESS_CARE_PROGRAM,
                                EvaluableNameConstants.LOW_RISK_EXPRESS_CARE_PROGRAM));
                Result referralResults = obsWithRestrictionRule.eval(context, patientId, parameters);
                if (CollectionUtils.isEmpty(referralResults)) {
                    parameters.put(EvaluableConstants.ENCOUNTER_TYPE,
                            Arrays.asList(EvaluableNameConstants.ECSTABLE));
                    EncounterWithRestrictionRule encounterWithRestrictionRule = new EncounterWithStringRestrictionRule();
                    Result stableEncounterResults = encounterWithRestrictionRule.eval(context, patientId,
                            parameters);

                    AntiRetroViralRule antiRetroViralRule = new AntiRetroViralRule();
                    // prepare the encounter types
                    parameters.put(EvaluableConstants.ENCOUNTER_TYPE,
                            Arrays.asList(EvaluableNameConstants.ENCOUNTER_TYPE_ADULT_INITIAL,
                                    EvaluableNameConstants.ENCOUNTER_TYPE_ADULT_RETURN,
                                    EvaluableNameConstants.ENCOUNTER_TYPE_ADULT_NONCLINICALMEDICATION));
                    Result arvResults = antiRetroViralRule.eval(context, patientId, parameters);
                    if (CollectionUtils.isNotEmpty(arvResults) && CollectionUtils.isEmpty(stableEncounterResults))
                        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;
    }
}