/*
* This file is part of LibrePlan
*
* Copyright (C) 2009-2010 Fundación para o Fomento da Calidade Industrial e
* Desenvolvemento Tecnolóxico de Galicia
* Copyright (C) 2010-2011 Igalia, S.L.
*
* 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/>.
*/
package org.libreplan.business.planner.entities;
import java.math.BigDecimal;
import java.math.MathContext;
import java.math.RoundingMode;
import java.sql.Time;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.SortedMap;
import java.util.List;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.Date;
import org.joda.time.LocalDate;
import org.joda.time.LocalTime;
import org.libreplan.business.advance.entities.AdvanceMeasurement;
import org.libreplan.business.advance.entities.DirectAdvanceAssignment;
import org.libreplan.business.planner.entities.DayAssignment.FilterType;
import org.libreplan.business.workreports.daos.IWorkReportLineDAO;
import org.libreplan.business.workreports.entities.WorkReportLine;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
/**
* Cost calulator in terms of hours.
*
* @author Manuel Rego Casasnovas <mrego@igalia.com>
* @author Vova Perebykivskyi <vova@libreplan-enterprise.com>
*/
@Component
@Scope(BeanDefinition.SCOPE_SINGLETON)
public class HoursCostCalculator implements ICostCalculator {
@Autowired
private IWorkReportLineDAO workReportLineDAO;
@Override
public SortedMap<LocalDate, BigDecimal> getAdvanceCost(Task task) {
return getAdvanceCost(task, null, null);
}
@Override
public SortedMap<LocalDate, BigDecimal> getAdvanceCost(Task task, LocalDate filterStartDate,
LocalDate filterEndDate) {
DirectAdvanceAssignment advanceAssignment =
(task.getOrderElement() != null) ? task.getOrderElement().getReportGlobalAdvanceAssignment() : null;
if ( advanceAssignment == null ) {
return new TreeMap<>();
}
return calculateHoursPerDay(
task.getHoursSpecifiedAtOrder(),
advanceAssignment.getAdvanceMeasurements(),
filterStartDate, filterEndDate);
}
private SortedMap<LocalDate, BigDecimal> calculateHoursPerDay(
Integer totalHours,
SortedSet<AdvanceMeasurement> advanceMeasurements,
LocalDate filterStartDate, LocalDate filterEndDate) {
SortedMap<LocalDate, BigDecimal> result = new TreeMap<LocalDate, BigDecimal>();
for (AdvanceMeasurement advanceMeasurement : advanceMeasurements) {
LocalDate day = advanceMeasurement.getDate();
if( ((filterStartDate == null) || day.compareTo(filterStartDate) >= 0) &&
((filterEndDate == null) || day.compareTo(filterEndDate) <= 0) ) {
BigDecimal cost = advanceMeasurement.getValue().setScale(2)
.multiply(new BigDecimal(totalHours))
.divide(new BigDecimal(100), new MathContext(2, RoundingMode.HALF_UP));
result.put(day, cost);
}
}
return result;
}
@Override
public SortedMap<LocalDate, BigDecimal> getEstimatedCost(Task task) {
return getEstimatedCost(task, null, null);
}
/**
* BCWS values are calculating here.
* MAX(BCWS) equals addition of all dayAssignments.
*/
@Override
public SortedMap<LocalDate, BigDecimal> getEstimatedCost(Task task,
LocalDate filterStartDate,
LocalDate filterEndDate) {
if ( task.isSubcontracted() ) {
return getAdvanceCost(task);
}
SortedMap<LocalDate, BigDecimal> result = new TreeMap<LocalDate, BigDecimal>();
List<DayAssignment> dayAssignments = task.getDayAssignments(FilterType.WITHOUT_DERIVED);
if ( dayAssignments.isEmpty() ) {
return result;
}
int additionOfAllAssignmentsMinutes = 0;
for (DayAssignment dayAssignment : dayAssignments) {
LocalDate day = dayAssignment.getDay();
if( ((filterStartDate == null) || day.compareTo(filterStartDate) >= 0) &&
((filterEndDate == null) || day.compareTo(filterEndDate) <= 0) ) {
String currentTime = dayAssignment.getDuration().toFormattedString();
SimpleDateFormat format1 = new SimpleDateFormat("hh:mm");
SimpleDateFormat format2 = new SimpleDateFormat("hh");
Date date = null;
try {
if ( isParsableWithFormat1(currentTime) ) {
date = format1.parse(currentTime);
} else if ( isParsableWithFormat2(currentTime) ) {
date = format2.parse(currentTime);
}
} catch (ParseException e) {
e.printStackTrace();
}
assert date != null;
LocalTime time = new LocalTime(date.getTime());
// Time time = new Time(date.getTime());
BigDecimal hours = new BigDecimal(time.getHourOfDay());
additionOfAllAssignmentsMinutes += time.getMinuteOfHour();
if ( !result.containsKey(day) ) {
result.put(day, BigDecimal.ZERO);
}
/**
* On last day assignment app will check addition of minutes of all assignments.
* If it is between 30 and 60 - add 1 hour to the last value of result.
* If it is more than 60 then divide on 60 and calculate hours.
* E.G. 120 minutes / 60 = 2 hours.
*/
if ( dayAssignment.equals(dayAssignments.get(dayAssignments.size() - 1)) ){
if ( additionOfAllAssignmentsMinutes >= 30 && additionOfAllAssignmentsMinutes <= 60 )
hours = BigDecimal.valueOf(hours.intValue() + 1);
if ( additionOfAllAssignmentsMinutes > 60 )
hours = BigDecimal.valueOf(hours.intValue() + (additionOfAllAssignmentsMinutes / 60));
}
result.put(day, result.get(day).add(hours));
}
}
return result;
}
private boolean isParsableWithFormat1(String input){
boolean parsable = true;
try {
SimpleDateFormat format = new SimpleDateFormat("hh:mm");
format.parse(input);
} catch (ParseException e) {
parsable = false;
}
return parsable;
}
private boolean isParsableWithFormat2(String input){
boolean parsable = true;
try {
SimpleDateFormat format = new SimpleDateFormat("hh");
format.parse(input);
} catch (ParseException e) {
parsable = false;
}
return parsable;
}
@Override
public SortedMap<LocalDate, BigDecimal> getWorkReportCost(Task task) {
if (task.isSubcontracted()) {
return getAdvanceCost(task);
}
SortedMap<LocalDate, BigDecimal> result = new TreeMap<LocalDate, BigDecimal>();
List<WorkReportLine> workReportLines = workReportLineDAO
.findByOrderElementAndChildren(task.getOrderElement());
if (workReportLines.isEmpty()) {
return result;
}
for (WorkReportLine workReportLine : workReportLines) {
LocalDate day = new LocalDate(workReportLine.getDate());
BigDecimal cost = workReportLine.getEffort()
.toHoursAsDecimalWithScale(2);
if (!result.containsKey(day)) {
result.put(day, BigDecimal.ZERO);
}
result.put(day, result.get(day).add(cost));
}
return result;
}
}