keii.dev
1package dev.keii.goldenage.utils;
2
3import javax.annotation.Nullable;
4import java.time.*;
5import java.util.ArrayList;
6import java.util.List;
7
8public class DateUtility {
9 public static @Nullable LocalDateTime epochSecondsToDateTime(Integer epochTimeSeconds) {
10 if (epochTimeSeconds == null) {
11 return null;
12 }
13
14 Instant instant = Instant.ofEpochMilli((long) epochTimeSeconds * 1000L);
15
16 return instant.atZone(ZoneId.ofOffset("UTC", ZoneOffset.UTC)).toLocalDateTime();
17 }
18
19 private static String getShort(String unit, boolean shortUnits) {
20 if (shortUnits) {
21 return unit.substring(0, 2).trim();
22 } else {
23 return unit;
24 }
25 }
26
27 public static String getHumanReadableTimeSpan(long epochSeconds, boolean shortUnits) {
28 Instant now = Instant.now();
29 Instant past = Instant.ofEpochSecond(epochSeconds);
30 Duration duration = Duration.between(past, now);
31
32 long seconds = duration.getSeconds();
33
34 if (seconds <= 0) {
35 return "now";
36 }
37
38 long days = seconds / 86400;
39 long hours = (seconds % 86400) / 3600;
40 long minutes = (seconds % 3600) / 60;
41 long remainingSeconds = seconds % 60;
42
43 long weeks = days / 7;
44 days = days % 7;
45
46 List<String> parts = new ArrayList<>();
47
48 if (weeks > 0) {
49 parts.add(weeks + getShort(weeks > 1 ? " weeks" : " week", shortUnits));
50 }
51 if (days > 0) {
52 parts.add(days + getShort(days > 1 ? " days" : " day", shortUnits));
53 }
54 if (hours > 0) {
55 parts.add(hours + getShort(hours > 1 ? " hours" : " hour", shortUnits));
56 }
57 if (minutes > 0 && weeks == 0) {
58 parts.add(minutes + getShort(minutes > 1 ? " minutes" : " minute", shortUnits));
59 }
60 if (remainingSeconds > 0 && days == 0 && hours == 0 && weeks == 0) {
61 parts.add(remainingSeconds + getShort(remainingSeconds > 1 ? " seconds" : " second", shortUnits));
62 }
63
64 if (parts.isEmpty()) {
65 return "now";
66 }
67
68 return String.join(" ", parts.subList(0, Math.min(3, parts.size())));
69 }
70
71}