fix：第一轮跑
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@@ -0,0 +1,294 @@
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import 'dart:typed_data';
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import 'package:dio/dio.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:uuid/uuid.dart';
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import '../../../common/network/dio_provider.dart';
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const splashAdPlacement = 'splash';
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const homeBannerAdPlacement = 'home_banner';
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enum AdMediaType { image, gif, video, unsupported }
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enum AdOpenMode { external, inApp }
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class AdCreative {
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const AdCreative({
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required this.adId,
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required this.placement,
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required this.targetApp,
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required this.title,
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required this.imageUrl,
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required this.mediaType,
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required this.h5Url,
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required this.trackingId,
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required this.countdownSeconds,
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required this.endAtMs,
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required this.trackedUrl,
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required this.openMode,
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});
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final String adId,
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placement,
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targetApp,
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title,
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imageUrl,
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h5Url,
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trackingId,
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trackedUrl;
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final AdMediaType mediaType;
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final int countdownSeconds, endAtMs;
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final AdOpenMode openMode;
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Uri? get mediaUri => _http(imageUrl);
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Uri? get targetUri => _http(trackedUrl) ?? _http(h5Url);
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bool get isRenderable =>
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adId.isNotEmpty &&
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mediaUri != null &&
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targetUri != null &&
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mediaType != AdMediaType.unsupported &&
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(endAtMs <= 0 || endAtMs > DateTime.now().millisecondsSinceEpoch);
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Uri? clickUri(String clickId) {
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final uri = targetUri;
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if (uri == null) return null;
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return uri.replace(
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queryParameters: {
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...uri.queryParameters,
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'ad_id': adId,
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'placement': placement,
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'tracking_id': trackingId,
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'click_id': clickId,
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'target_app': targetApp,
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'hook_type': placement,
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'ts': DateTime.now().millisecondsSinceEpoch.toString(),
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},
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);
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}
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Map<String, dynamic> toJson() => {
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'adId': adId,
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'placement': placement,
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'targetApp': targetApp,
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'title': title,
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'imageUrl': imageUrl,
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'mediaType': mediaType.index,
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'h5Url': h5Url,
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'trackingId': trackingId,
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'countdownSeconds': countdownSeconds,
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'endAtMs': endAtMs,
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'trackedUrl': trackedUrl,
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'openMode': openMode.index,
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};
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factory AdCreative.fromJson(Map<String, dynamic> value) => AdCreative(
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adId: '${value['adId'] ?? ''}',
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placement: '${value['placement'] ?? ''}',
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targetApp: '${value['targetApp'] ?? ''}',
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title: '${value['title'] ?? ''}',
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imageUrl: '${value['imageUrl'] ?? ''}',
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mediaType:
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AdMediaType.values[(value['mediaType'] as num?)?.toInt().clamp(
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0,
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AdMediaType.values.length - 1,
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) ??
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AdMediaType.unsupported.index],
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h5Url: '${value['h5Url'] ?? ''}',
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trackingId: '${value['trackingId'] ?? ''}',
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countdownSeconds: (value['countdownSeconds'] as num?)?.toInt() ?? 0,
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endAtMs: (value['endAtMs'] as num?)?.toInt() ?? 0,
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trackedUrl: '${value['trackedUrl'] ?? ''}',
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openMode: (value['openMode'] as num?)?.toInt() == AdOpenMode.inApp.index
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? AdOpenMode.inApp
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: AdOpenMode.external,
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);
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factory AdCreative.fromProto(ProtoMessage fields) => AdCreative(
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adId: fields.string(1),
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placement: fields.string(2),
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targetApp: fields.string(3),
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title: fields.string(4),
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imageUrl: fields.string(6),
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mediaType: switch (fields.integer(7)) {
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1 => AdMediaType.image,
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2 => AdMediaType.gif,
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3 => AdMediaType.video,
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_ => AdMediaType.unsupported,
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},
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h5Url: fields.string(9),
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trackingId: fields.string(10),
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countdownSeconds: fields.integer(11),
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endAtMs: fields.integer(13),
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trackedUrl: fields.string(14),
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openMode: fields.integer(15) == 2 ? AdOpenMode.inApp : AdOpenMode.external,
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);
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}
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class GetAdResult {
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const GetAdResult(this.enabled, this.ad, this.dailyCap);
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final bool enabled;
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final AdCreative? ad;
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final int dailyCap;
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}
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class FeaturedAdsState {
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const FeaturedAdsState(this.enabled, this.ads, {this.trackingId});
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final bool enabled;
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final List<AdCreative> ads;
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final String? trackingId;
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bool get hasAds => enabled && ads.isNotEmpty;
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}
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class AdsApiClient {
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AdsApiClient(this._dio);
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final Dio _dio;
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Future<GetAdResult> getAdResult(String placement) async {
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final response = await _dio.get<List<int>>(
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'/api/v1/ads',
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queryParameters: {'placement': placement},
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options: protobufOptions(),
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);
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final root = ProtoMessage(response.data ?? const []);
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final creative = root.message(2);
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final ad = AdCreative.fromProto(creative);
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return GetAdResult(
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root.integer(1) != 0,
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ad.isRenderable ? ad : null,
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root.integer(3),
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);
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}
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Future<FeaturedAdsState> listAds(String placement) async {
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final response = await _dio.get<List<int>>(
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'/api/v1/ads/list',
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queryParameters: {'placement': placement},
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options: protobufOptions(),
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);
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final root = ProtoMessage(response.data ?? const []);
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final ads = root
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.messages(2)
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.map(AdCreative.fromProto)
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.where((ad) => ad.isRenderable)
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.toList(growable: false);
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return FeaturedAdsState(
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root.integer(1) != 0,
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ads,
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trackingId: root.string(3).isEmpty ? null : root.string(3),
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);
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}
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Future<void> report(
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AdCreative ad,
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String event, {
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String? clickId,
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String? trackingId,
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}) => _dio.post<List<int>>(
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'/api/v1/ads/events',
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data: _Writer()
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.string(1, event)
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.string(2, ad.placement)
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.string(3, ad.adId)
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.string(4, trackingId ?? ad.trackingId)
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.string(5, clickId ?? '')
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.integer(6, DateTime.now().millisecondsSinceEpoch)
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.toBytes(),
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options: protobufOptions(),
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);
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String newClickId() => const Uuid().v4();
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}
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final adsApiClientProvider = Provider(
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(ref) => AdsApiClient(ref.watch(dioProvider)),
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);
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final featuredAdsProvider = FutureProvider.autoDispose
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.family<FeaturedAdsState, String>(
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(ref, placement) => ref.watch(adsApiClientProvider).listAds(placement),
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);
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Uri? _http(String raw) {
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final uri = Uri.tryParse(raw.trim());
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return uri != null &&
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uri.host.isNotEmpty &&
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(uri.scheme == 'https' || uri.scheme == 'http')
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? uri
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: null;
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}
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class ProtoMessage {
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ProtoMessage(this.bytes);
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final List<int> bytes;
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Map<int, List<Object>>? _cache;
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Map<int, List<Object>> get _fields => _cache ??= _read();
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int integer(int tag) => (_fields[tag]?.lastOrNull as int?) ?? 0;
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String string(int tag) {
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final value = _fields[tag]?.lastOrNull;
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return value is List<int> ? String.fromCharCodes(value) : '';
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}
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ProtoMessage message(int tag) {
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final value = _fields[tag]?.lastOrNull;
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return ProtoMessage(value is List<int> ? value : const []);
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}
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List<ProtoMessage> messages(int tag) => (_fields[tag] ?? const [])
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.whereType<List<int>>()
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.map(ProtoMessage.new)
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.toList();
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Map<int, List<Object>> _read() {
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final out = <int, List<Object>>{};
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var i = 0;
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int v() {
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var n = 0, s = 0;
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while (i < bytes.length) {
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final b = bytes[i++];
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n |= (b & 127) << s;
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if (b < 128) return n;
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s += 7;
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}
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throw const FormatException('Invalid protobuf');
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}
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while (i < bytes.length) {
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final key = v(), tag = key >> 3;
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Object value;
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if ((key & 7) == 0) {
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value = v();
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} else if ((key & 7) == 2) {
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final l = v(), end = i + l;
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if (end > bytes.length) throw const FormatException('Invalid protobuf');
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value = bytes.sublist(i, end);
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i = end;
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} else {
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throw const FormatException('Unsupported protobuf');
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}
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(out[tag] ??= []).add(value);
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}
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return out;
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}
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}
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extension on List<Object> {
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Object? get lastOrNull => isEmpty ? null : last;
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}
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class _Writer {
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final b = BytesBuilder(copy: false);
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_Writer string(int t, String value) {
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final d = value.codeUnits;
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v((t << 3) | 2);
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v(d.length);
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b.add(d);
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return this;
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}
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_Writer integer(int t, int value) {
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v(t << 3);
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v(value);
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return this;
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}
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Uint8List toBytes() => b.toBytes();
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void v(int n) {
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while (n > 127) {
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b.addByte((n & 127) | 128);
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n >>= 7;
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}
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b.addByte(n);
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}
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}
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