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feat(profile): profile photo or seed-illustration avatar

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Profiles had only a coloured-initial disc. Now each person can set an
avatar — a real photo OR one of our own seed illustrations (so
pseudonymity stays the default; no photo required).

- ui/avatar.dart: the one-string value scheme carried in the kind:0
  'picture' — a 'data:' photo thumbnail, a 'tane:seed:<glyph>' token, or
  empty. The Nostr ProfileTransport already published 'picture'.
- Photos ride inline as a tiny thumbnail (reuses offerThumbnailDataUri,
  24 KB cap) — no media server, like offer photos.
- avatar_edit.dart: pick/take a photo, choose a seed illustration, or
  remove; ProfileStore stores it; ProfileScreen shows a big editable
  avatar and publishes it.
- PeerAvatar renders photo / illustration / initial fallback.
- ProfileCache gains picture/setPicture; the inbox caches peers' avatars
  alongside their names.
- i18n avatar block (en/es/pt/ast). Tests: value scheme + PeerAvatar
  render modes, store + cache round-trips.

Follow-up: render peers' avatars in chat/market/your-people (thread the
cached picture into PeerAvatar at each call site).
This commit is contained in:
vjrj 2026-07-11 22:21:52 +02:00
parent 74c7edaecd
commit ec56819fbf
19 changed files with 375 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

40
apps/app_seeds/lib/ui/avatar.dart Normal file
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@ -0,0 +1,40 @@
import 'seed_glyph.dart';
/// A profile avatar is carried in one string (stored locally and published as
/// the NIP-01 kind:0 `picture`), in one of three shapes:
/// - `data:image/jpeg;base64,…` — a tiny photo thumbnail (rides inline, no
/// media server, like offer photos);
/// - `tane:seed:<name>` — one of our own seed illustrations (for people who'd
/// rather not put a real photo — pseudonymity stays the default);
/// - empty — the deterministic coloured disc with the name's initial.
const avatarGlyphPrefix = 'tane:seed:';
/// The seed illustrations offered as ready-made avatars. Names are the stable
/// storage key (appended to [avatarGlyphPrefix]); the glyphs already ship in
/// [SeedGlyphs]. Order is the picker order.
const avatarGlyphNames = <String>[
'jars',
'sack',
'jar',
'scattered',
'pouring',
'mug',
'bigSpoon',
'smallSpoon',
];
/// The glyph char for an avatar illustration [name], or null if unknown.
String? avatarGlyphChar(String name) => switch (name) {
'jars' => SeedGlyphs.jars,
'sack' => SeedGlyphs.sack,
'jar' => SeedGlyphs.jar,
'scattered' => SeedGlyphs.scattered,
'pouring' => SeedGlyphs.pouring,
'mug' => SeedGlyphs.mug,
'bigSpoon' => SeedGlyphs.bigSpoon,
'smallSpoon' => SeedGlyphs.smallSpoon,
_ => null,
};
/// The token that selects illustration [name] (e.g. `tane:seed:jars`).
String avatarGlyphToken(String name) => '$avatarGlyphPrefix$name';

90
apps/app_seeds/lib/ui/avatar_edit.dart Normal file
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@ -0,0 +1,90 @@
import 'package:flutter/material.dart';
import '../i18n/strings.g.dart';
import '../services/offer_thumbnail.dart' show offerThumbnailDataUri;
import 'avatar.dart';
import 'photo_pick.dart';
import 'seed_glyph.dart';
import 'theme.dart';
/// Lets the user choose a profile avatar: take/pick a photo (shrunk to a tiny
/// inline thumbnail), pick one of our seed illustrations, or remove it.
///
/// Returns the new avatar value (`data:` thumbnail or `tane:seed:<glyph>`),
/// an empty string to clear it, or null when cancelled.
Future<String?> showAvatarPicker(
BuildContext context, {
required String current,
}) {
return showModalBottomSheet<String>(
context: context,
isScrollControlled: true,
builder: (sheetContext) {
final t = sheetContext.t;
return SafeArea(
child: Padding(
padding: const EdgeInsets.fromLTRB(16, 12, 16, 16),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(t.avatar.title,
style: Theme.of(sheetContext).textTheme.titleMedium),
const SizedBox(height: 8),
ListTile(
key: const Key('avatar.fromPhoto'),
contentPadding: EdgeInsets.zero,
leading: const Icon(Icons.add_a_photo_outlined,
color: seedGreen),
title: Text(t.avatar.fromPhoto),
onTap: () async {
final bytes = await pickPhoto(sheetContext);
if (bytes == null) return;
final uri = offerThumbnailDataUri(bytes, maxBytes: 24000);
if (sheetContext.mounted) {
Navigator.of(sheetContext).pop(uri ?? '');
}
},
),
const SizedBox(height: 6),
Text(t.avatar.illustration,
style: const TextStyle(color: seedMuted, fontSize: 13)),
const SizedBox(height: 10),
Wrap(
spacing: 14,
runSpacing: 14,
children: [
for (final name in avatarGlyphNames)
InkWell(
key: Key('avatar.glyph.$name'),
borderRadius: BorderRadius.circular(40),
onTap: () => Navigator.of(sheetContext)
.pop(avatarGlyphToken(name)),
child: CircleAvatar(
radius: 24,
backgroundColor: seedGreen,
child: SeedGlyph(avatarGlyphChar(name)!,
size: 26, color: Colors.white),
),
),
],
),
if (current.isNotEmpty) ...[
const SizedBox(height: 8),
Align(
alignment: AlignmentDirectional.centerStart,
child: TextButton.icon(
key: const Key('avatar.remove'),
onPressed: () => Navigator.of(sheetContext).pop(''),
icon: const Icon(Icons.delete_outline, size: 18),
label: Text(t.avatar.remove),
),
),
],
],
),
),
);
},
);
}

35
apps/app_seeds/lib/ui/peer_avatar.dart
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@ -1,23 +1,50 @@
import 'package:flutter/material.dart';
/// A small round avatar for a chat peer. We have no profile photos yet, so it's
/// a deterministic disc coloured from the peer's pubkey, showing the first
/// letter of their [name] when known (else a person glyph). Same pubkey → same
/// colour on every device, so the peer is visually recognizable.
import '../services/offer_thumbnail.dart' show decodeDataUri;
import 'avatar.dart';
import 'seed_glyph.dart';
/// A small round avatar for a person. When they've set an avatar ([picture] — a
/// `data:` photo thumbnail or a `tane:seed:<glyph>` illustration) it's shown;
/// otherwise it falls back to a deterministic disc coloured from their [pubkey],
/// with the first letter of their [name] (else a person glyph). Same pubkey →
/// same colour on every device, so a person stays visually recognizable.
class PeerAvatar extends StatelessWidget {
const PeerAvatar({
required this.pubkey,
this.name,
this.picture,
this.radius = 14,
super.key,
});
final String pubkey;
final String? name;
/// The person's chosen avatar value; null/empty → the coloured-initial disc.
final String? picture;
final double radius;
@override
Widget build(BuildContext context) {
final pic = picture?.trim() ?? '';
if (pic.startsWith('data:')) {
final bytes = decodeDataUri(pic);
if (bytes != null) {
return CircleAvatar(radius: radius, backgroundImage: MemoryImage(bytes));
}
} else if (pic.startsWith(avatarGlyphPrefix)) {
final glyph = avatarGlyphChar(pic.substring(avatarGlyphPrefix.length));
if (glyph != null) {
return CircleAvatar(
radius: radius,
backgroundColor: peerAvatarColor(pubkey),
child: SeedGlyph(glyph, size: radius * 1.15, color: Colors.white),
);
}
}
final letter = _initial(name);
return CircleAvatar(
radius: radius,

41
apps/app_seeds/lib/ui/profile_screen.dart
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@ -9,6 +9,8 @@ import '../services/social_account_store.dart';
import '../services/profile_store.dart';
import '../services/social_connection.dart';
import '../services/social_service.dart';
import 'avatar_edit.dart';
import 'peer_avatar.dart';
import 'qr_view.dart';
import 'restart_widget.dart';
import 'theme.dart';
@ -44,6 +46,7 @@ class _ProfileScreenState extends State<ProfileScreen> {
final _name = TextEditingController();
final _about = TextEditingController();
final _g1 = TextEditingController();
String _avatar = '';
bool _loading = true;
bool _saving = false;
bool _switching = false;
@ -62,6 +65,7 @@ class _ProfileScreenState extends State<ProfileScreen> {
_name.text = await widget.profileStore.name();
_about.text = await widget.profileStore.about();
_g1.text = await widget.profileStore.g1();
_avatar = await widget.profileStore.avatar();
final max = await widget.accounts.maxCreated();
final ids = <({int account, String npub})>[];
for (var i = 0; i <= max; i++) {
@ -108,6 +112,11 @@ class _ProfileScreenState extends State<ProfileScreen> {
await _switchTo(next, confirm: false); // creating one is already explicit
}
Future<void> _editAvatar() async {
final result = await showAvatarPicker(context, current: _avatar);
if (result != null && mounted) setState(() => _avatar = result);
}
Future<void> _copyId() async {
final messenger = ScaffoldMessenger.of(context);
final t = context.t;
@ -120,8 +129,8 @@ class _ProfileScreenState extends State<ProfileScreen> {
final messenger = ScaffoldMessenger.of(context);
final t = context.t;
setState(() => _saving = true);
await widget.profileStore
.save(name: _name.text, about: _about.text, g1: _g1.text);
await widget.profileStore.save(
name: _name.text, about: _about.text, g1: _g1.text, avatar: _avatar);
// Best-effort publish over the shared connection so peers see the name.
try {
@ -129,6 +138,7 @@ class _ProfileScreenState extends State<ProfileScreen> {
await session?.profile.publish(
name: _name.text.trim(),
about: _about.text.trim(),
picture: _avatar,
g1: _g1.text.trim(),
);
} catch (_) {
@ -157,6 +167,33 @@ class _ProfileScreenState extends State<ProfileScreen> {
: ListView(
padding: const EdgeInsets.all(20),
children: [
Center(
child: GestureDetector(
key: const Key('profile.avatar'),
onTap: _editAvatar,
child: Stack(
alignment: AlignmentDirectional.bottomEnd,
children: [
PeerAvatar(
pubkey: widget.social.publicKeyHex,
name: _name.text,
picture: _avatar,
radius: 44,
),
Container(
padding: const EdgeInsets.all(5),
decoration: const BoxDecoration(
color: seedGreen,
shape: BoxShape.circle,
),
child: const Icon(Icons.edit,
size: 15, color: Colors.white),
),
],
),
),
),
const SizedBox(height: 20),
_IdentityCard(npub: widget.social.npub, onCopy: _copyId),
const SizedBox(height: 24),
TextField(