org.openmrs.module.pharmacyapi.api.dispensation.validation.DispensationDrugAvailabilityRule.java Source code

Introduction

Here is the source code for org.openmrs.module.pharmacyapi.api.dispensation.validation.DispensationDrugAvailabilityRule.java

Source

/**
 * This Source Code Form is subject to the terms of the Mozilla Public License,
 * v. 2.0. If a copy of the MPL was not distributed with this file, You can
 * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
 * the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
 *
 * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
 * graphic logo is a trademark of OpenMRS Inc.
 */
/**
 *
 */
package org.openmrs.module.pharmacyapi.api.dispensation.validation;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang3.StringUtils;
import org.openmrs.Drug;
import org.openmrs.DrugOrder;
import org.openmrs.Location;
import org.openmrs.api.context.Context;
import org.openmrs.module.inventorypoc.batch.model.Batch;
import org.openmrs.module.inventorypoc.batch.service.BatchService;
import org.openmrs.module.pharmacyapi.api.common.exception.PharmacyBusinessException;
import org.openmrs.module.pharmacyapi.api.dispensation.model.Dispensation;
import org.openmrs.module.pharmacyapi.api.dispensation.model.DispensationItem;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class DispensationDrugAvailabilityRule implements IDispensationRuleValidation {

    @Autowired
    private BatchService batchService;

    @Override
    public void validate(final Dispensation dispensation) throws PharmacyBusinessException {

        final List<DispensationItem> dispensationItems = dispensation.getDispensationItems();
        final Location location = Context.getLocationService().getLocationByUuid(dispensation.getLocationUuid());

        final List<Drug> drugsWithoutStock = new ArrayList<>();
        for (final DispensationItem dispensationItem : dispensationItems) {

            final DrugOrder drugOrder = (DrugOrder) Context.getOrderService()
                    .getOrderByUuid(dispensationItem.getOrderUuid());
            final Drug drug = Context.getConceptService().getDrug(drugOrder.getDrug().getDrugId());

            final List<Batch> batches = this.batchService.findBatchesByDrugAndLocationAndNotExpiredDate(drug,
                    location, dispensation.getDispensationDate());

            if (batches.isEmpty()) {
                drugsWithoutStock.add(drugOrder.getDrug());
            }
        }

        if (!drugsWithoutStock.isEmpty()) {

            throw new PharmacyBusinessException("pharmacyapi.error.insufficent.stock.for.dispensation",
                    this.getFormattedMessage(drugsWithoutStock));

        }
    }

    private String getFormattedMessage(final List<Drug> drugsWithoutStock) {

        String formattedString = StringUtils.EMPTY;
        for (final Drug drug : drugsWithoutStock) {
            formattedString += ", " + drug.getDisplayName();
        }
        return formattedString.replaceFirst(",", "");
    }
}