Šepot — end-to-end encrypted messenger

Initial public release. Anonymous on-device identity (no phone number, e-mail, or password), Signal-protocol cryptography (X3DH + PQXDH, Double Ratchet, sealed sender) via libsignal, a metadata-minimizing relay, group chats, disappearing messages, encrypted local storage, optional Tor transport, and a UI localized into Czech, English, German, Russian, and Italian. Monorepo: Flutter client (app/), Rust relay + wire types (rust/), protobuf definitions (proto/), self-host deploy (deploy/). Licensed under AGPL-3.0 with an app-store distribution exception (§7).
2026-07-11 17:06:39 +02:00
commit 8081d98c67
309 changed files with 44102 additions and 0 deletions
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+import 'package:flutter/material.dart';
+import 'package:sepot/core/theme/app_theme.dart';
+
+/// Generovaný avatar z iniciál
+class SepotAvatar extends StatelessWidget {
+  final String name;
+  final double size;
+  final bool isOnline;
+
+  const SepotAvatar({
+    super.key,
+    required this.name,
+    this.size = 48,
+    this.isOnline = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final initials = _getInitials(name);
+    final color = _colorFromName(name);
+
+    return Stack(
+      children: [
+        Container(
+          width: size,
+          height: size,
+          decoration: BoxDecoration(
+            shape: BoxShape.circle,
+            // Nokturno: tichý tmavý podklad, barva jen v iniciálách
+            color: SepotColors.surfaceVariant,
+            border: Border.all(color: SepotColors.border),
+          ),
+          child: Center(
+            child: Text(
+              initials,
+              style: TextStyle(
+                color: color,
+                fontSize: size * 0.35,
+                fontWeight: FontWeight.w600,
+              ),
+            ),
+          ),
+        ),
+        if (isOnline)
+          Positioned(
+            right: 0,
+            bottom: 0,
+            child: Container(
+              width: size * 0.28,
+              height: size * 0.28,
+              decoration: BoxDecoration(
+                color: SepotColors.success,
+                shape: BoxShape.circle,
+                border: Border.all(
+                  color: SepotColors.background,
+                  width: 2,
+                ),
+              ),
+            ),
+          ),
+      ],
+    );
+  }
+
+  String _getInitials(String name) {
+    final parts = name.trim().split(' ');
+    if (parts.length >= 2) {
+      return '${parts[0][0]}${parts[1][0]}'.toUpperCase();
+    }
+    return name.substring(0, name.length >= 2 ? 2 : 1).toUpperCase();
+  }
+
+  Color _colorFromName(String name) {
+    // Jen tlumené tóny palety — žádné syté cizí barvy
+    final colors = [
+      SepotColors.ember,
+      SepotColors.mist,
+      SepotColors.sage,
+      SepotColors.warning,
+      SepotColors.textSecondary,
+    ];
+    return colors[name.hashCode.abs() % colors.length];
+  }
+}