mirror of https://github.com/iSoron/uhabits.git
Quentin Hibon
5 years ago
parent
98f9693cff
commit
30630c3358
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/*
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* Copyright (C) 2016-2021 Álinson Santos Xavier <git@axavier.org>
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*
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* This file is part of Loop Habit Tracker.
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*
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* Loop Habit Tracker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* Loop Habit Tracker is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.isoron.uhabits.core.models;
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import org.isoron.platform.time.LocalDate;
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import org.apache.commons.lang3.builder.*;
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import org.isoron.uhabits.core.utils.*;
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import java.util.*;
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import static java.util.Calendar.*;
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public final class Timestamp implements Comparable<Timestamp> {
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public static final long DAY_LENGTH = 86400000;
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public static final Timestamp ZERO = new Timestamp(0);
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private final long unixTime;
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public static Timestamp fromLocalDate(LocalDate date) {
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return new Timestamp(946684800000L + date.getDaysSince2000() * 86400000L);
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}
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public Timestamp(long unixTime) {
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if (unixTime < 0)
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throw new IllegalArgumentException(
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"Invalid unix time: " + unixTime);
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if (unixTime % DAY_LENGTH != 0)
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unixTime = (unixTime / DAY_LENGTH) * DAY_LENGTH;
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this.unixTime = unixTime;
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}
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public Timestamp(GregorianCalendar cal) {
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this(cal.getTimeInMillis());
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}
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public static Timestamp from(int year, int javaMonth, int day) {
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GregorianCalendar cal = DateUtils.getStartOfTodayCalendar();
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cal.set(year, javaMonth, day, 0, 0, 0);
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return new Timestamp(cal.getTimeInMillis());
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}
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public long getUnixTime() {
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return unixTime;
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}
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public LocalDate toLocalDate() {
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long millisSince2000 = unixTime - 946684800000L;
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int daysSince2000 = (int) (millisSince2000 / 86400000);
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return new LocalDate(daysSince2000);
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}
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/**
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* Returns -1 if this timestamp is older than the given timestamp, 1 if this
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* timestamp is newer, or zero if they are equal.
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*/
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@Override
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public int compareTo(Timestamp other) {
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return Long.signum(this.unixTime - other.unixTime);
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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Timestamp timestamp = (Timestamp) o;
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return new EqualsBuilder()
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.append(unixTime, timestamp.unixTime)
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.isEquals();
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}
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@Override
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public int hashCode() {
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return new HashCodeBuilder(17, 37).append(unixTime).toHashCode();
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}
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/**
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* Given two timestamps, returns whichever timestamp is the oldest one.
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*/
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public static Timestamp oldest(Timestamp first, Timestamp second) {
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return first.unixTime < second.unixTime ? first : second;
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}
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public Timestamp minus(int days) {
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return plus(-days);
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}
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public Timestamp plus(int days) {
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return new Timestamp(unixTime + DAY_LENGTH * days);
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}
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/**
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* Returns the number of days between this timestamp and the given one. If
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* the other timestamp equals this one, returns zero. If the other timestamp
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* is older than this one, returns a negative number.
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*/
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public int daysUntil(Timestamp other) {
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return (int) ((other.unixTime - this.unixTime) / DAY_LENGTH);
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}
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public boolean isNewerThan(Timestamp other) {
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return compareTo(other) > 0;
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}
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public boolean isOlderThan(Timestamp other) {
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return compareTo(other) < 0;
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}
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public Date toJavaDate() {
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return new Date(unixTime);
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}
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public GregorianCalendar toCalendar() {
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GregorianCalendar day =
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new GregorianCalendar(TimeZone.getTimeZone("GMT"));
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day.setTimeInMillis(unixTime);
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return day;
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}
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@Override
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public String toString() {
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return DateFormats.getCSVDateFormat().format(new Date(unixTime));
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}
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/**
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* Returns an integer corresponding to the day of the week. Saturday maps
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* to 0, Sunday maps to 1, and so on.
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*/
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public int getWeekday() {
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return toCalendar().get(DAY_OF_WEEK) % 7;
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}
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Timestamp truncate(DateUtils.TruncateField field, int firstWeekday) {
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return new Timestamp(DateUtils.truncate(field, unixTime, firstWeekday));
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}
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}
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@ -0,0 +1,148 @@
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/*
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* Copyright (C) 2016-2021 Álinson Santos Xavier <git@axavier.org>
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*
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* This file is part of Loop Habit Tracker.
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*
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* Loop Habit Tracker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* Loop Habit Tracker is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.isoron.uhabits.core.models
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import org.apache.commons.lang3.builder.EqualsBuilder
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import org.apache.commons.lang3.builder.HashCodeBuilder
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import org.isoron.platform.time.LocalDate
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import org.isoron.uhabits.core.utils.DateFormats.Companion.getCSVDateFormat
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import org.isoron.uhabits.core.utils.DateUtils
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import org.isoron.uhabits.core.utils.DateUtils.Companion.getStartOfTodayCalendar
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import org.isoron.uhabits.core.utils.DateUtils.Companion.truncate
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import java.util.Calendar
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import java.util.Date
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import java.util.GregorianCalendar
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import java.util.TimeZone
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class Timestamp(unixTime: Long) : Comparable<Timestamp> {
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val unixTime: Long
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constructor(cal: GregorianCalendar) : this(cal.timeInMillis) {}
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fun toLocalDate(): LocalDate {
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val millisSince2000 = unixTime - 946684800000L
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val daysSince2000 = (millisSince2000 / 86400000).toInt()
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return LocalDate(daysSince2000)
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}
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/**
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* Returns -1 if this timestamp is older than the given timestamp, 1 if this
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* timestamp is newer, or zero if they are equal.
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*/
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override fun compareTo(other: Timestamp): Int {
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return java.lang.Long.signum(unixTime - other.unixTime)
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}
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override fun equals(other: Any?): Boolean {
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if (this === other) return true
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if (other == null || javaClass != other.javaClass) return false
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val timestamp = other as Timestamp
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return EqualsBuilder()
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.append(unixTime, timestamp.unixTime)
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.isEquals
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}
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override fun hashCode(): Int {
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return HashCodeBuilder(17, 37).append(unixTime).toHashCode()
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}
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operator fun minus(days: Int): Timestamp {
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return plus(-days)
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}
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operator fun plus(days: Int): Timestamp {
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return Timestamp(unixTime + DAY_LENGTH * days)
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}
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/**
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* Returns the number of days between this timestamp and the given one. If
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* the other timestamp equals this one, returns zero. If the other timestamp
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* is older than this one, returns a negative number.
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*/
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fun daysUntil(other: Timestamp): Int {
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return ((other.unixTime - unixTime) / DAY_LENGTH).toInt()
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}
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fun isNewerThan(other: Timestamp): Boolean {
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return compareTo(other) > 0
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}
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fun isOlderThan(other: Timestamp): Boolean {
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return compareTo(other) < 0
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}
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fun toJavaDate(): Date {
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return Date(unixTime)
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}
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fun toCalendar(): GregorianCalendar {
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val day = GregorianCalendar(TimeZone.getTimeZone("GMT"))
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day.timeInMillis = unixTime
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return day
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}
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override fun toString(): String {
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return getCSVDateFormat().format(Date(unixTime))
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}
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/**
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* Returns an integer corresponding to the day of the week. Saturday maps
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* to 0, Sunday maps to 1, and so on.
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*/
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val weekday: Int
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get() = toCalendar()[Calendar.DAY_OF_WEEK] % 7
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fun truncate(field: DateUtils.TruncateField?, firstWeekday: Int): Timestamp {
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return Timestamp(
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truncate(
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field!!,
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unixTime,
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firstWeekday
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)
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)
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}
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companion object {
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const val DAY_LENGTH: Long = 86400000
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val ZERO = Timestamp(0)
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fun fromLocalDate(date: LocalDate): Timestamp {
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return Timestamp(946684800000L + date.daysSince2000 * 86400000L)
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}
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fun from(year: Int, javaMonth: Int, day: Int): Timestamp {
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val cal = getStartOfTodayCalendar()
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cal[year, javaMonth, day, 0, 0] = 0
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return Timestamp(cal.timeInMillis)
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}
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/**
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* Given two timestamps, returns whichever timestamp is the oldest one.
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*/
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fun oldest(first: Timestamp, second: Timestamp): Timestamp {
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return if (first.unixTime < second.unixTime) first else second
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}
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}
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init {
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var unixTime = unixTime
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require(unixTime >= 0) { "Invalid unix time: $unixTime" }
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if (unixTime % DAY_LENGTH != 0L) unixTime = unixTime / DAY_LENGTH * DAY_LENGTH
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this.unixTime = unixTime
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}
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}
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