feat: category / hashtag pages

- with links form stream info closes #12
2025-06-16 03:58:09 +00:00 · 2025-05-15 14:12:37 +01:00
parent 54a61322cf
commit 52953a4c16
16 changed files with 483 additions and 26 deletions
--- a/lib/widgets/category_top_zapped.dart
+++ b/lib/widgets/category_top_zapped.dart
@ -0,0 +1,109 @@
+import 'package:collection/collection.dart';
+import 'package:flutter/material.dart';
+import 'package:ndk/ndk.dart';
+import 'package:zap_stream_flutter/main.dart';
+import 'package:zap_stream_flutter/rx_filter.dart';
+import 'package:zap_stream_flutter/theme.dart';
+import 'package:zap_stream_flutter/utils.dart';
+import 'package:zap_stream_flutter/widgets/avatar.dart';
+import 'package:zap_stream_flutter/widgets/profile.dart';
+
+class CategoryTopZapped extends StatelessWidget {
+  final String tag;
+  final int? limit;
+
+  const CategoryTopZapped({super.key, required this.tag, this.limit});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      spacing: 8,
+      children: [
+        RichText(
+          text: TextSpan(
+            children: [
+              WidgetSpan(
+                child: Icon(Icons.bolt, color: ZAP_1),
+                alignment: PlaceholderAlignment.middle,
+              ),
+              TextSpan(
+                text: " Most Zapped Streamers",
+                style: TextStyle(color: LAYER_4, fontWeight: FontWeight.w500),
+              ),
+            ],
+          ),
+        ),
+
+        SingleChildScrollView(
+          scrollDirection: Axis.horizontal,
+          primary: false,
+          child: FutureBuilder(
+            future:
+                ndk.requests
+                    .query(
+                      filters: [
+                        Filter(
+                          kinds: [30_311],
+                          limit: 100,
+                          tTags: [tag.toLowerCase()],
+                        ),
+                      ],
+                    )
+                    .future,
+            builder: (context, state) {
+              final aTags =
+                  (state.data ?? [])
+                      .map((e) => "30311:${e.pubKey}:${e.getDtag()}")
+                      .toList();
+              return RxFilter<Nip01Event>(
+                Key("top-zapped:$tag:${aTags.length}"),
+                filters: [
+                  Filter(kinds: [9735], aTags: aTags),
+                ],
+                builder: (context, zaps) {
+                  final parsedZaps =
+                      zaps?.map((e) => ZapReceipt.fromEvent(e)) ?? [];
+                  final topZapped = topZapReceiver(parsedZaps).entries
+                      .sortedBy((e) => e.value.sum)
+                      .reversed
+                      .take(limit ?? 5);
+
+                  return Row(
+                    spacing: 16,
+                    children:
+                        topZapped
+                            .map(
+                              (e) => Row(
+                                spacing: 8,
+                                children: [
+                                  AvatarWidget.pubkey(e.key),
+                                  Column(
+                                    crossAxisAlignment:
+                                        CrossAxisAlignment.start,
+                                    spacing: 2,
+                                    children: [
+                                      Text(
+                                        formatSats(e.value.sum, maxDigits: 0),
+                                        style: TextStyle(
+                                          color: ZAP_1,
+                                          fontWeight: FontWeight.bold,
+                                        ),
+                                      ),
+                                      ProfileNameWidget.pubkey(e.key),
+                                    ],
+                                  ),
+                                ],
+                              ),
+                            )
+                            .toList(),
+                  );
+                },
+              );
+            },
+          ),
+        ),
+      ],
+    );
+  }
+}