|
1
|
|
|
import {Injectable} from '@nestjs/common'; |
|
2
|
|
|
import { |
|
3
|
|
|
format as fnsFormat, |
|
4
|
|
|
isWeekend as fnsIsWeekend, |
|
5
|
|
|
getDaysInMonth as fnsGetDaysInMonth, |
|
6
|
|
|
eachDayOfInterval, |
|
7
|
|
|
addDays |
|
8
|
|
|
} from 'date-fns'; |
|
9
|
|
|
import {IDateUtils} from 'src/Application/IDateUtils'; |
|
10
|
|
|
|
|
11
|
|
|
@Injectable() |
|
12
|
|
|
export class DateUtilsAdapter implements IDateUtils { |
|
13
|
|
|
constructor(private readonly date: Date = new Date()) {} |
|
14
|
|
|
|
|
15
|
|
|
public format(date: Date, format: string): string { |
|
16
|
|
|
return fnsFormat(date, format); |
|
17
|
|
|
} |
|
18
|
|
|
|
|
19
|
|
|
public getDaysInMonth(date: Date): number { |
|
20
|
|
|
return fnsGetDaysInMonth(date); |
|
21
|
|
|
} |
|
22
|
|
|
|
|
23
|
|
|
public isWeekend(date: Date): boolean { |
|
24
|
|
|
return fnsIsWeekend(date); |
|
25
|
|
|
} |
|
26
|
|
|
|
|
27
|
|
|
public getCurrentDate(): Date { |
|
28
|
|
|
return this.date; |
|
29
|
|
|
} |
|
30
|
|
|
|
|
31
|
|
|
public getCurrentDateToISOString(): string { |
|
32
|
|
|
return this.date.toISOString(); |
|
33
|
|
|
} |
|
34
|
|
|
|
|
35
|
|
|
public getWorkedDaysDuringAPeriod(start: Date, end: Date): Date[] { |
|
36
|
|
|
const dates: Date[] = []; |
|
37
|
|
|
const workedFreeDays: Date[] = []; |
|
38
|
|
|
|
|
39
|
|
|
for (let year = start.getFullYear(); year <= end.getFullYear(); year++) { |
|
40
|
|
|
workedFreeDays.push(...this.getWorkedFreeDays(year)); |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
for (const day of eachDayOfInterval({start, end})) { |
|
44
|
|
|
if ( |
|
45
|
|
|
this.isWeekend(day) || |
|
46
|
|
|
workedFreeDays.filter(d => d.toISOString() === day.toISOString()) |
|
47
|
|
|
.length > 0 |
|
48
|
|
|
) { |
|
49
|
|
|
continue; |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
dates.push(day); |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
return dates; |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
public getWorkedFreeDays(year: number): Date[] { |
|
59
|
|
|
const fixedDays: Date[] = [ |
|
60
|
|
|
new Date(`${year}-01-01`), // New Year's Day |
|
61
|
|
|
new Date(`${year}-05-01`), // Labour Day |
|
62
|
|
|
new Date(`${year}-05-08`), // Victory in 1945 |
|
63
|
|
|
new Date(`${year}-07-14`), // National Day |
|
64
|
|
|
new Date(`${year}-08-15`), // Assumption |
|
65
|
|
|
new Date(`${year}-11-01`), // All Saints' Day |
|
66
|
|
|
new Date(`${year}-11-11`), // The Armistice |
|
67
|
|
|
new Date(`${year}-12-25`) // Christmas |
|
68
|
|
|
]; |
|
69
|
|
|
|
|
70
|
|
|
const easterDate = this.getEasterDate(year); |
|
71
|
|
|
const easterDays: Date[] = [ |
|
72
|
|
|
addDays(easterDate, 1), // Easter Monday |
|
73
|
|
|
addDays(easterDate, 39) // Ascension |
|
74
|
|
|
]; |
|
75
|
|
|
|
|
76
|
|
|
return [...fixedDays, ...easterDays]; |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
public getEasterDate(year: number): Date { |
|
80
|
|
|
const a = year % 19; |
|
81
|
|
|
const b = Math.floor(year / 100); |
|
82
|
|
|
const c = year % 100; |
|
83
|
|
|
const d = Math.floor(b / 4); |
|
84
|
|
|
const e = b % 4; |
|
85
|
|
|
const f = Math.floor((b + 8) / 25); |
|
86
|
|
|
const g = Math.floor((b - f + 1) / 3); |
|
87
|
|
|
const h = (19 * a + b - d - g + 15) % 30; |
|
88
|
|
|
const i = Math.floor(c / 4); |
|
89
|
|
|
const k = c % 4; |
|
90
|
|
|
const l = (32 + 2 * e + 2 * i - h - k) % 7; |
|
91
|
|
|
const m = Math.floor((a + 11 * h + 22 * l) / 451); |
|
92
|
|
|
const n0 = h + l + 7 * m + 114; |
|
93
|
|
|
const n = Math.floor(n0 / 31) - 1; |
|
94
|
|
|
const p = (n0 % 31) + 1; |
|
95
|
|
|
|
|
96
|
|
|
return new Date(year, n, p); |
|
97
|
|
|
} |
|
98
|
|
|
} |
|
99
|
|
|
|
fairnesscoop /
permacoop
