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feat(profile): default avatars via DiceBear "thumbs" (CC0), drop boring_avatars

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Replace the flutter_boring_avatars fallback with a friendly DiceBear
"thumbs" face, generated offline (dicebear_core) and deterministically
from the pubkey, rendered as SVG (flutter_svg). The thumbs style is
CC0 1.0 (public domain) — no attribution, AGPL-clean — unlike Multiavatar
whose custom licence restricts use. Style parsed once and per-pubkey SVG
memoized; the CC0 <metadata> block is stripped to keep flutter_svg quiet.
This commit is contained in:
vjrj 2026-07-12 14:12:37 +02:00
parent d85b557f1e
commit d4a9142ee2
6 changed files with 153 additions and 45 deletions
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18
apps/app_seeds/test/ui/peer_avatar_test.dart
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@ -1,5 +1,4 @@
import 'package:flutter/material.dart';
import 'package:flutter_boring_avatars/flutter_boring_avatars.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:tane/services/profile_cache.dart';
import 'package:tane/ui/avatar.dart';
@ -38,18 +37,19 @@ void main() {
home: Scaffold(body: Center(child: child)),
);
testWidgets('falls back to a generated pattern keyed by pubkey', (
testWidgets('falls back to a generated avatar keyed by pubkey', (
tester,
) async {
await tester.pumpWidget(host(PeerAvatar(pubkey: 'aa', name: 'rosa')));
final generated = tester.widget<BoringAvatar>(find.byType(BoringAvatar));
expect(generated.name, 'aa'); // pubkey, not name → stable across renames
final generated =
tester.widget<GeneratedAvatar>(find.byType(GeneratedAvatar));
expect(generated.pubkey, 'aa'); // pubkey, not name → stable across renames
expect(find.byType(Text), findsNothing);
});
testWidgets('generates it even when the name is unknown', (tester) async {
await tester.pumpWidget(host(const PeerAvatar(pubkey: 'aa')));
expect(find.byType(BoringAvatar), findsOneWidget);
expect(find.byType(GeneratedAvatar), findsOneWidget);
});
testWidgets('renders a seed illustration when the avatar is a token', (
@ -76,19 +76,19 @@ void main() {
expect(find.byType(SeedGlyph), findsOneWidget);
});
testWidgets('falls back to the generated pattern when nothing is cached', (
testWidgets('falls back to the generated avatar when nothing is cached', (
tester,
) async {
final cache = ProfileCache(InMemorySecretStore());
await tester.pumpWidget(host(
CachedAvatar(pubkey: 'peer2', name: 'Bea', cache: cache)));
await tester.pumpAndSettle();
expect(find.byType(BoringAvatar), findsOneWidget);
expect(find.byType(GeneratedAvatar), findsOneWidget);
});
testWidgets('no cache → the generated pattern', (tester) async {
testWidgets('no cache → the generated avatar', (tester) async {
await tester.pumpWidget(host(const CachedAvatar(pubkey: 'x', name: 'Bea')));
expect(find.byType(BoringAvatar), findsOneWidget);
expect(find.byType(GeneratedAvatar), findsOneWidget);
});
});
}