org.openmrs.module.dataentrydelay.web.controller.DataEntryLocationsController.java Source code

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Here is the source code for org.openmrs.module.dataentrydelay.web.controller.DataEntryLocationsController.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.dataentrydelay.web.controller;

import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.Encounter;
import org.openmrs.Location;
import org.openmrs.api.context.Context;
import org.openmrs.module.dataentrydelay.advice.DateOperations;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.ParameterizableViewController;

/**
 *This controller is used to get the the location statistics between Range of date(startDate and
 * endDate)
 */
public class DataEntryLocationsController extends ParameterizableViewController {

    protected final Log log = LogFactory.getLog(getClass());

    /**
     * @see org.springframework.web.servlet.mvc.SimpleFormController#onSubmit(javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse, java.lang.Object,
     *      org.springframework.validation.BindException)
     */
    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        Map<String, Object> model = new HashMap<String, Object>();

        // Default from date is one week ago from last midnight
        DateOperations dateOperation = new DateOperations();
        Date lastMidnight = dateOperation.getPreviousMidnight();
        Date twoWeekAgo = dateOperation.addDaysToDate(lastMidnight, -14);

        // Get from and until request parameters
        Date startdate = dateOperation.getRightDate(request, "startDate", twoWeekAgo);
        Date enddate = dateOperation.getRightDate(request, "endDate", lastMidnight);

        //colleLocationction of allLocationsMap and allLocationsModel
        Map<Location, Map<String, Object>> allLocations = new HashMap<Location, Map<String, Object>>();

        List<Location> locations = Context.getLocationService().getAllLocations();
        //for each location in the database:
        //do this:
        for (Location location : locations) {
            Map<String, Object> locationStats = new HashMap<String, Object>();
            int[] delayStatisticsTable = new int[14];

            List<Encounter> encounters = Context.getEncounterService().getEncounters(null, location, startdate,
                    enddate, null, null, true);
            int totalDelay = 0;
            if (encounters.size() == 0) {
                continue;
            } else {

                for (Encounter encounter : encounters) {
                    Date encounterdate = encounter.getEncounterDatetime();
                    Date createddate = encounter.getDateCreated();

                    // Calculate difference in days
                    dateOperation = new DateOperations();
                    int diffDays = dateOperation.calculateDelay(encounterdate, createddate);
                    if (diffDays < 0) {
                        delayStatisticsTable[13]++;
                    } else if (diffDays == 0) {
                        continue;
                    } else if (diffDays < 12) {
                        delayStatisticsTable[diffDays]++;
                    } else {
                        delayStatisticsTable[12]++;
                    }
                    totalDelay += 1;
                }
            }
            locationStats.put("delayStatistics", delayStatisticsTable);
            locationStats.put("totalDelay", totalDelay);
            allLocations.put(location, locationStats);

        }
        model.put("allLocations", allLocations);
        model.put("startDate", startdate);
        model.put("endDate", enddate);

        return new ModelAndView(getViewName(), model);

    }
}