init

lib/widgets/profile.dart

@@ -0,0 +1,83 @@
+import 'package:flutter/widgets.dart';
+import 'package:ndk/ndk.dart';
+import 'package:ndk/shared/nips/nip19/nip19.dart';
+import 'package:zap_stream_flutter/main.dart';
+import 'package:zap_stream_flutter/widgets/avatar.dart';
+
+class ProfileLoaderWidget extends StatelessWidget {
+  final String pubkey;
+  final AsyncWidgetBuilder<Metadata?> builder;
+
+  const ProfileLoaderWidget(this.pubkey, this.builder, {super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder(
+      future: ndk.metadata.loadMetadata(pubkey),
+      builder: builder,
+    );
+  }
+}
+
+class ProfileNameWidget extends StatelessWidget {
+  final Metadata profile;
+  final TextStyle? style;
+
+  const ProfileNameWidget({super.key, required this.profile, this.style});
+
+  static Widget pubkey(String pubkey, {TextStyle? style}) {
+    return FutureBuilder(
+      future: ndk.metadata.loadMetadata(pubkey),
+      builder:
+          (ctx, data) => ProfileNameWidget(
+            profile: data.data ?? Metadata(pubKey: pubkey),
+            style: style,
+          ),
+    );
+  }
+
+  static nameFromProfile(Metadata profile) {
+    if ((profile.displayName?.length ?? 0) > 0) {
+      return profile.displayName!;
+    }
+    if ((profile.name?.length ?? 0) > 0) {
+      return profile.name!;
+    }
+    return Nip19.encodeSimplePubKey(profile.pubKey);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Text(ProfileNameWidget.nameFromProfile(profile), style: style);
+  }
+}
+
+class ProfileWidget extends StatelessWidget {
+  final Metadata profile;
+  final TextStyle? style;
+  final double? size;
+
+  const ProfileWidget({
+    super.key,
+    required this.profile,
+    this.style,
+    this.size,
+  });
+
+  static Widget pubkey(String pubkey) {
+    return ProfileLoaderWidget(pubkey, (ctx, state) {
+      return ProfileWidget(profile: state.data ?? Metadata(pubKey: pubkey));
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      spacing: 8,
+      children: [
+        AvatarWidget(profile: profile, size: size),
+        ProfileNameWidget(profile: profile),
+      ],
+    );
+  }
+}