/*
* This program is part of the OpenLMIS logistics management information system platform software.
* Copyright © 2013 VillageReach
*
* This program 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.
*
* This program 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 this program. If not, see http://www.gnu.org/licenses. For additional information contact info@OpenLMIS.org.
*/
package org.openlmis.distribution.domain;
import lombok.*;
import org.openlmis.core.domain.BaseModel;
import org.openlmis.core.domain.Facility;
import static java.lang.Math.ceil;
/**
* CoverageLineItem is a base class holding facilityVisitId and targetGroup. TargetGroup is calculated on basis of
* target population percentage and catchment population of the corresponding facility.
*/
@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor
public class CoverageLineItem extends BaseModel {
protected Long facilityVisitId;
protected Integer targetGroup;
public CoverageLineItem(FacilityVisit facilityVisit, Facility facility, TargetGroupProduct targetGroupProduct, Integer processingPeriodMonths) {
this.facilityVisitId = facilityVisit.getId();
this.targetGroup = targetGroupProduct != null ? calculateTargetGroup(facility.getWhoRatioFor(targetGroupProduct.getProductCode()),
facility.getCatchmentPopulation(), processingPeriodMonths) : null;
this.createdBy = facilityVisit.getCreatedBy();
this.modifiedBy = facilityVisit.getModifiedBy();
}
protected Integer calculateTargetGroup(Double whoRatio, Long catchmentPopulation, Integer processingPeriodMonths) {
Integer targetGroup = null;
if (whoRatio != null && catchmentPopulation != null) {
targetGroup = (int) ceil((catchmentPopulation * whoRatio * processingPeriodMonths) / (100 * 12));
}
return targetGroup;
}
}