40 lines
1.2 KiB
Dart
40 lines
1.2 KiB
Dart
// Author: fruit.com.cn
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../../l10n/app_localizations.dart';
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import '../data/services/download_controller.dart';
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import '../platform/haptics.dart';
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import 'auth_gate.dart';
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/// 详情页与播放页共用的下载授权入口。
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///
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/// 未登录先走登录闸；业务拒绝时直接展示后端 message。
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Future<void> requestEpisodeDownload(
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BuildContext context,
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String episodeId,
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) async {
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if (!await ensureSignedIn(context)) return;
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if (!context.mounted) return;
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unawaited(context.read<Haptics>().lightImpact());
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final downloads = context.read<DownloadController>();
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final result = await downloads.grant(episodeId);
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if (!context.mounted) return;
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final l10n = AppLocalizations.of(context)!;
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final hasBackendMessage = result.message?.trim().isNotEmpty ?? false;
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if (result.ok) {
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unawaited(
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downloads.startDownload(episodeId, license: result.license),
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);
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}
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final message = result.ok
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? l10n.downloadGranted
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: hasBackendMessage
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? result.message!
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: l10n.downloadGrantFailed;
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ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(message)));
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}
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