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392 commit(s) on main

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Merge change request 01M70WES5ZZDJ6RP226WB11BBZ: Let people rename and remove their own passkeys keenan · 23m ago 4b8c9e1d

history blame raw 2.8 KiB

1	package web
2
3	// Presentation helpers that no single surface owns: relative time, breadcrumbs,
4	// path validation, and the page control the list pages share. Nothing here reads a store or decides anything about
5	// access; a value it returns is only ever printed.
6
7	import (
8	"fmt"
9	"strings"
10	"time"
11	)
12
13	func humanSince(t int64) string {
14	if t == 0 {
15	return ""
16	}
17	d := time.Since(time.Unix(t, 0))
18	switch {
19	case d < time.Minute:
20	return "just now"
21	case d < time.Hour:
22	return fmt.Sprintf("%dm ago", int(d.Minutes()))
23	case d < 24*time.Hour:
24	return fmt.Sprintf("%dh ago", int(d.Hours()))
25	default:
26	return fmt.Sprintf("%dd ago", int(d.Hours()/24))
27	}
28	}
29
30	func safePath(p string) bool {
31	if strings.Contains(p, "\x00") {
32	return false
33	}
34	for _, seg := range strings.Split(p, "/") {
35	if seg == ".." {
36	return false
37	}
38	}
39	return true
40	}
41
42	type crumb struct {
43	Name string
44	Path string
45	}
46
47	func crumbs(p string) []crumb {
48	var out []crumb
49	cur := ""
50	for _, seg := range strings.Split(p, "/") {
51	if seg == "" {
52	continue
53	}
54	if cur == "" {
55	cur = seg
56	} else {
57	cur += "/" + seg
58	}
59	out = append(out, crumb{Name: seg, Path: cur})
60	}
61	return out
62	}
63
64	// listPageSize is how many rows one page of an issue, change-request, or run list
65	// shows. The instance activity feed has its own, larger, page size (home.go).
66	const listPageSize = 25
67
68	// pager is one page of a list. The handler builds the URLs, so it keeps control
69	// of which filters survive; everything a template needs to draw the control is
70	// here, including the label and the fragment a page link swaps.
71	type pager struct {
72	// Label names the nav for a screen reader ("Issue pages").
73	Label string
74	// Target is the HTMX selector a page link replaces. Empty navigates the
75	// whole page instead.
76	Target string
77	Page int
78	Pages int
79	Total int
80	Per int
81	From int
82	To int
83	PrevURL string
84	NextURL string
85	}
86
87	func newPager(total, per, page int, urlFor func(int) string) pager {
88	if per < 1 {
89	per = 1
90	}
91	pages := (total + per - 1) / per
92	if pages < 1 {
93	pages = 1
94	}
95	if page < 1 {
96	page = 1
97	}
98	if page > pages {
99	page = pages
100	}
101	p := pager{Page: page, Pages: pages, Total: total, Per: per}
102	if total > 0 {
103	p.From = (page-1)*per + 1
104	p.To = min(page*per, total)
105	}
106	if page > 1 {
107	p.PrevURL = urlFor(page - 1)
108	}
109	if page < pages {
110	p.NextURL = urlFor(page + 1)
111	}
112	return p
113	}
114
115	// forSwap names the control and the fragment it replaces, for a list that pages
116	// in place through HTMX. A list without it pages by navigation.
117	func (p pager) forSwap(label, target string) pager {
118	p.Label = label
119	p.Target = target
120	return p
121	}
122
123	// rows returns the half-open range of rows on this page, so a handler that has
124	// already collected and counted them does not repeat the arithmetic.
125	func (p pager) rows() (int, int) {
126	if p.Total == 0 {
127	return 0, 0
128	}
129	return (p.Page - 1) * p.Per, p.To
130	}
131