names.gno

 1package home
 2
 3import (
 4	"strings"
 5
 6	roles "gno.land/p/nym-alexiscolin000/gnoradio/role/v0"
 7	"gno.land/p/nym-alexiscolin000/gnoradio/safe/v0"
 8	"gno.land/p/nym-alexiscolin000/gnoradio/svg/v0"
 9
10	"gno.land/p/nym-alexiscolin000/gnoradio/text/v0"
11	"gno.land/r/sys/users"
12)
13
14// nickname is the app's readable stand-in for an address without a gno.land
15// name ("Coral Vinyl 4F"), ported from app/src/lib/nickname.ts: the same word
16// lists and FNV-1a hash, so one address reads the same on both.
17func nickname(addr address) string {
18	colours := [24]string{
19		"Coral", "Amber", "Indigo", "Teal", "Olive", "Ivory", "Cobalt", "Saffron", "Jade", "Ruby", "Slate", "Sienna",
20		"Azure", "Plum", "Mint", "Ochre", "Pearl", "Cedar", "Sage", "Copper", "Lilac", "Denim", "Lemon", "Cherry",
21	}
22	words := [20]string{
23		"Listener", "Tuner", "Echo", "Melody", "Rhythm", "Chord", "Groove", "Tempo", "Signal", "Wave",
24		"Dial", "Record", "Vinyl", "Cassette", "Bassline", "Encore", "Chorus", "Remix", "Beat", "Tune",
25	}
26	h := svg.FNV(addr.String())
27	const hex = "0123456789ABCDEF"
28	return colours[h%24] + " " + words[h/24%20] + " " + string(hex[h>>28]) + string(hex[h>>24&15])
29}
30
31// userName is the address's gno.land name (r/sys/users), "" when it has
32// none or the name holds a blocked word (the app shows the nickname then too).
33func userName(addr address) string {
34	d := users.ResolveAddress(addr)
35	if d == nil {
36		return ""
37	}
38	n := d.Name()
39	if n == "" || safe.Blocked(n) {
40		return ""
41	}
42	return n
43}
44
45// displayName is "@name" when the address registered one, else its nickname.
46func displayName(addr address) string {
47	if n := userName(addr); n != "" {
48		return "@" + n
49	}
50	return nickname(addr)
51}
52
53// role links an address GnoRadio itself uses under its role, not a nickname.
54func role(addr address, label string) string {
55	if !roles.Canonical(addr) {
56		return label
57	}
58	return "[" + label + "](" + page("listener/"+addr.String()) + ")"
59}
60
61// plural is "1 track", "2 tracks".
62func plural(n int, word string) string {
63	if n == 1 {
64		return "1 " + word
65	}
66	return text.Itoa(n) + " " + word + "s"
67}
68
69// removedNote words why content is gone: "Removed · <reason>" for the
70// moderator, the artist's own note otherwise.
71func removedNote(note string) string {
72	if r, ok := strings.CutPrefix(note, "Removed by moderation: "); ok {
73		return "Removed · " + r
74	}
75	if note == "" {
76		return "This is no longer available."
77	}
78	return note
79}