com.marand.thinkmed.medications.AdministrationStatusEnum.java Source code

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Here is the source code for com.marand.thinkmed.medications.AdministrationStatusEnum.java

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/*
 * Copyright (c) 2010-2014 Marand d.o.o. (www.marand.com)
 *
 * This file is part of Think!Med Clinical Medication Management.
 *
 * Think!Med Clinical Medication Management is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Think!Med Clinical Medication Management is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Think!Med Clinical Medication Management.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.marand.thinkmed.medications;

import org.joda.time.DateTime;
import org.joda.time.Duration;

/**
 * @author Mitja Lapajne
 */
public enum AdministrationStatusEnum {
    PLANNED, DUE, LATE, COMPLETED, COMPLETED_LATE, COMPLETED_EARLY, FAILED;

    public static AdministrationStatusEnum getFromTime(final DateTime planned, final DateTime completed,
            final DateTime when) {
        if (completed == null) {
            if (isAdministrationEarly(planned, when)) {
                return PLANNED;
            }
            if (isAdministrationLate(planned, when)) {
                return LATE;
            }

            return DUE;
        } else {
            if (isAdministrationEarly(planned, completed)) {
                return COMPLETED_EARLY;
            }
            if (isAdministrationLate(planned, completed)) {
                return COMPLETED_LATE;
            }

            return COMPLETED;
        }
    }

    private static boolean isAdministrationLate(final DateTime planned, final DateTime compare) {
        return getOffsetInMinutes(planned, compare) > 30;
    }

    private static boolean isAdministrationEarly(final DateTime planned, final DateTime compare) {
        return getOffsetInMinutes(planned, compare) < -30;
    }

    private static long getOffsetInMinutes(final DateTime planned, final DateTime compare) {
        return new Duration(planned, compare).getStandardMinutes();
    }

}