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Closes #2347: Configuration to enable working day calculation instead…
… of working time calculation * added configuration property for detailed working time calculation * added WorkingDayCalculatorImpl to replicate pre 6.0.0 behaviour * bugfix ServiceLevelHandler comparing classificationKeys --------- Co-authored-by: arolfes <[email protected]>
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...ommon/src/main/java/pro/taskana/common/internal/workingtime/WorkingDayCalculatorImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| package pro.taskana.common.internal.workingtime; | ||
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| import java.time.DayOfWeek; | ||
| import java.time.Duration; | ||
| import java.time.Instant; | ||
| import java.time.LocalDate; | ||
| import java.time.ZoneId; | ||
| import java.time.temporal.ChronoUnit; | ||
| import java.util.stream.LongStream; | ||
| import pro.taskana.common.api.WorkingTimeCalculator; | ||
| import pro.taskana.common.api.exceptions.InvalidArgumentException; | ||
| import pro.taskana.common.api.exceptions.SystemException; | ||
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| public class WorkingDayCalculatorImpl implements WorkingTimeCalculator { | ||
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| private final ZoneId zoneId; | ||
| private final HolidaySchedule holidaySchedule; | ||
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| public WorkingDayCalculatorImpl(HolidaySchedule holidaySchedule, ZoneId zoneId) { | ||
| this.holidaySchedule = holidaySchedule; | ||
| this.zoneId = zoneId; | ||
| } | ||
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| @Override | ||
| public Instant subtractWorkingTime(Instant workStart, Duration workingTime) | ||
| throws InvalidArgumentException { | ||
| long days = convertWorkingDaysToDays(workStart, -workingTime.toDays(), ZeroDirection.SUB_DAYS); | ||
| return workStart.plus(Duration.ofDays(days)); | ||
| } | ||
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| @Override | ||
| public Instant addWorkingTime(Instant workStart, Duration workingTime) | ||
| throws InvalidArgumentException { | ||
| long days = convertWorkingDaysToDays(workStart, workingTime.toDays(), ZeroDirection.ADD_DAYS); | ||
| return workStart.plus(Duration.ofDays(days)); | ||
| } | ||
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| @Override | ||
| public Duration workingTimeBetween(Instant first, Instant second) | ||
| throws InvalidArgumentException { | ||
| long days = Duration.between(first, second).abs().toDays(); | ||
| Instant firstInstant = first.isBefore(second) ? first : second; | ||
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| long workingDaysBetween = | ||
| LongStream.range(1, days) | ||
| .mapToObj(day -> isWorkingDay(firstInstant.plus(day, ChronoUnit.DAYS))) | ||
| .filter(t -> t) | ||
| .count(); | ||
| return Duration.ofDays(workingDaysBetween); | ||
| } | ||
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| @Override | ||
| public boolean isWorkingDay(Instant instant) { | ||
| return !isWeekend(instant) && !isHoliday(instant); | ||
| } | ||
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| @Override | ||
| public boolean isWeekend(Instant instant) { | ||
| DayOfWeek dayOfWeek = toDayOfWeek(instant); | ||
| return dayOfWeek == DayOfWeek.SATURDAY || dayOfWeek == DayOfWeek.SUNDAY; | ||
| } | ||
|
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| @Override | ||
| public boolean isHoliday(Instant instant) { | ||
| return holidaySchedule.isHoliday(toLocalDate(instant)); | ||
| } | ||
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| @Override | ||
| public boolean isGermanHoliday(Instant instant) { | ||
| return holidaySchedule.isGermanHoliday(toLocalDate(instant)); | ||
| } | ||
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| private long convertWorkingDaysToDays( | ||
| final Instant startTime, long numberOfDays, ZeroDirection zeroDirection) { | ||
| if (startTime == null) { | ||
| throw new SystemException( | ||
| "Internal Error: convertWorkingDaysToDays was called with a null startTime"); | ||
| } | ||
| int direction = calculateDirection(numberOfDays, zeroDirection); | ||
| long limit = Math.abs(numberOfDays); | ||
| return LongStream.iterate(0, i -> i + direction) | ||
| .filter(day -> isWorkingDay(startTime.plus(day, ChronoUnit.DAYS))) | ||
| .skip(limit) | ||
| .findFirst() | ||
| .orElse(0); | ||
| } | ||
|
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| private int calculateDirection(long numberOfDays, ZeroDirection zeroDirection) { | ||
| if (numberOfDays == 0) { | ||
| return zeroDirection.getDirection(); | ||
| } else { | ||
| return numberOfDays >= 0 ? 1 : -1; | ||
| } | ||
| } | ||
|
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| private LocalDate toLocalDate(Instant instant) { | ||
| return LocalDate.ofInstant(instant, zoneId); | ||
| } | ||
|
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| private DayOfWeek toDayOfWeek(Instant instant) { | ||
| return toLocalDate(instant).getDayOfWeek(); | ||
| } | ||
|
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| private enum ZeroDirection { | ||
| SUB_DAYS(-1), | ||
| ADD_DAYS(1); | ||
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| private final int direction; | ||
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| ZeroDirection(int direction) { | ||
| this.direction = direction; | ||
| } | ||
|
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| public int getDirection() { | ||
| return direction; | ||
| } | ||
| } | ||
| } |
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