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-rw-r--r--client/src/app/shared/angular/from-now.pipe.ts93
1 files changed, 23 insertions, 70 deletions
diff --git a/client/src/app/shared/angular/from-now.pipe.ts b/client/src/app/shared/angular/from-now.pipe.ts
index 61a3c498d..07f114ab6 100644
--- a/client/src/app/shared/angular/from-now.pipe.ts
+++ b/client/src/app/shared/angular/from-now.pipe.ts
@@ -1,6 +1,5 @@
1import { Pipe, PipeTransform } from '@angular/core' 1import { Pipe, PipeTransform } from '@angular/core'
2import { I18n } from '@ngx-translate/i18n-polyfill' 2import { I18n } from '@ngx-translate/i18n-polyfill'
3import { findIndex } from 'lodash-es'
4 3
5// Thanks: https://stackoverflow.com/questions/3177836/how-to-format-time-since-xxx-e-g-4-minutes-ago-similar-to-stack-exchange-site 4// Thanks: https://stackoverflow.com/questions/3177836/how-to-format-time-since-xxx-e-g-4-minutes-ago-similar-to-stack-exchange-site
6@Pipe({ name: 'myFromNow' }) 5@Pipe({ name: 'myFromNow' })
@@ -8,79 +7,33 @@ export class FromNowPipe implements PipeTransform {
8 7
9 constructor (private i18n: I18n) { } 8 constructor (private i18n: I18n) { }
10 9
11 transform (arg: number | Date | string, short = true) { 10 transform (arg: number | Date | string) {
12 const argDate = new Date(arg) 11 const argDate = new Date(arg)
13 const seconds = Math.floor((Date.now() - argDate.getTime()) / 1000) 12 const seconds = Math.floor((Date.now() - argDate.getTime()) / 1000)
14 let intervals = [ 13
15 { 14 let interval = Math.floor(seconds / 31536000)
16 unit: 31536000, // 1 year 15 if (interval > 1) return this.i18n('{{interval}} years ago', { interval })
17 singular: (i: number) => this.i18n('{{i}} year', { i }), 16 if (interval === 1) return this.i18n('{{interval}} year ago', { interval })
18 plural: (i: number) => this.i18n('{{i}} years', { i })
19 },
20 {
21 unit: 2592000, // 1 month
22 max: 11,
23 singular: (i: number) => this.i18n('{{i}} month', { i }),
24 plural: (i: number) => this.i18n('{{i}} months', { i })
25 },
26 {
27 unit: 604800, // 1 week
28 max: 3,
29 singular: (i: number) => this.i18n('{{i}} week', { i }),
30 plural: (i: number) => this.i18n('{{i}} weeks', { i })
31 },
32 {
33 unit: 86400, // 1 day
34 max: 6,
35 singular: (i: number) => this.i18n('{{i}} day', { i }),
36 plural: (i: number) => this.i18n('{{i}} days', { i })
37 },
38 {
39 unit: 3600, // 1 hour
40 max: 23,
41 singular: (i: number) => this.i18n('{{i}} hour', { i }),
42 plural: (i: number) => this.i18n('{{i}} hours', { i })
43 },
44 {
45 unit: 60, // 1 min
46 max: 59,
47 singular: (i: number) => this.i18n('{{i}} min', { i }),
48 plural: (i: number) => this.i18n('{{i}} min', { i })
49 }
50 ]
51 // compute the number of units each unit of time has, store it in "interval"
52 .map(i => ({
53 ...i,
54 interval: Math.floor(seconds / i.unit)
55 }))
56 // compute the number of units each unit of time has, from the remainder of the previous bigger unit, store it in "interval"
57 .map((i, index, array) => ({
58 ...i,
59 interval: index === 0
60 ? i.interval
61 : Math.floor((seconds - array[index - 1].interval * array[index - 1].unit) / i.unit)
62 }))
63 // compute the final string from the "interval", cap it to the max value for the time unit
64 .map(i => ({
65 ...i,
66 value: (i.interval > 1 ? i.plural : i.singular)(Math.min(i.max, i.interval))
67 }))
68 17
69 // only keep the first two intervals with enough seconds to be considered 18 interval = Math.floor(seconds / 2592000)
70 const big_interval_index = findIndex(intervals, i => i.interval >= 1) 19 if (interval > 1) return this.i18n('{{interval}} months ago', { interval })
71 intervals = intervals 20 if (interval === 1) return this.i18n('{{interval}} month ago', { interval })
72 .slice(big_interval_index, big_interval_index + 2)
73 .filter(i => i.interval >= 1)
74 21
75 if (intervals.length === 0) { 22 interval = Math.floor(seconds / 604800)
76 return this.i18n('just now') 23 if (interval > 1) return this.i18n('{{interval}} weeks ago', { interval })
77 } 24 if (interval === 1) return this.i18n('{{interval}} week ago', { interval })
78 25
79 return intervals.length === 1 || short 26 interval = Math.floor(seconds / 86400)
80 ? this.i18n('{{interval}} ago', { interval: intervals[0].value }) 27 if (interval > 1) return this.i18n('{{interval}} days ago', { interval })
81 : this.i18n('{{big_interval}} {{small_interval}} ago', { 28 if (interval === 1) return this.i18n('{{interval}} day ago', { interval })
82 big_interval: intervals[0].value, 29
83 small_interval: intervals[1].value 30 interval = Math.floor(seconds / 3600)
84 }) 31 if (interval > 1) return this.i18n('{{interval}} hours ago', { interval })
32 if (interval === 1) return this.i18n('{{interval}} hour ago', { interval })
33
34 interval = Math.floor(seconds / 60)
35 if (interval >= 1) return this.i18n('{{interval}} min ago', { interval })
36
37 return this.i18n('just now')
85 } 38 }
86} 39}