123 lines
3.9 KiB
Dart
123 lines
3.9 KiB
Dart
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 '../../pages/auth/auth_view.dart';
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import '../data/services/auth_controller.dart';
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import '../theme/app_colors.dart';
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/// 打开登录 / 注册页（沿用现有 Navigator 风格，不引路由库）
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Future<void> openAuthPage(BuildContext context, {bool signUpMode = false}) {
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return Navigator.of(context).push(
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MaterialPageRoute<void>(builder: (_) => AuthPage(signUpMode: signUpMode)),
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);
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}
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/// 受限动作的登录闸：已登录返回 true；未登录弹底部提示并引导登录，返回 false。
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///
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/// 首页/发现/详情保持匿名可看，只有收藏、点赞、评论这类"要对到具体账号"的动作才走这里。
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Future<bool> ensureSignedIn(BuildContext context) async {
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final auth = context.read<AuthController>();
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if (auth.isSignedIn) return true;
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final l10n = AppLocalizations.of(context)!;
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final go = await showModalBottomSheet<bool>(
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context: context,
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backgroundColor: AppColors.card,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.vertical(top: Radius.circular(18)),
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),
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builder: (sheetContext) => SafeArea(
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child: Padding(
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padding: const EdgeInsets.fromLTRB(20, 18, 20, 20),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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l10n.authGateTitle,
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style: const TextStyle(
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color: AppColors.onSurface,
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fontSize: 16,
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fontWeight: FontWeight.w800,
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),
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),
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const SizedBox(height: 6),
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Text(
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l10n.authGateMessage,
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style: const TextStyle(color: AppColors.muted, fontSize: 13),
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),
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const SizedBox(height: 16),
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Row(
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children: [
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Expanded(
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child: OutlinedButton(
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onPressed: () => Navigator.of(sheetContext).pop(false),
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child: Text(l10n.cancel),
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),
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),
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const SizedBox(width: 10),
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Expanded(
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child: FilledButton(
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style: FilledButton.styleFrom(
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backgroundColor: AppColors.blue,
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),
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onPressed: () => Navigator.of(sheetContext).pop(true),
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child: Text(l10n.authGateAction),
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),
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),
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],
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),
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],
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),
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),
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),
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);
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if (go == true && context.mounted) {
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await openAuthPage(context);
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}
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return false;
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}
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/// 页面级登录引导，用于记录、收藏和下载等必须登录的独立页面。
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class AuthGatePanel extends StatelessWidget {
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const AuthGatePanel({super.key});
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@override
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Widget build(BuildContext context) {
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final l10n = AppLocalizations.of(context)!;
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return Center(
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key: const Key('auth-gate-panel'),
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 32),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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l10n.authGateTitle,
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textAlign: TextAlign.center,
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style: const TextStyle(
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color: AppColors.onSurface,
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fontSize: 18,
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fontWeight: FontWeight.w800,
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),
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),
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const SizedBox(height: 8),
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Text(
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l10n.authGateMessage,
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textAlign: TextAlign.center,
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style: const TextStyle(color: AppColors.muted, fontSize: 13),
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),
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const SizedBox(height: 18),
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FilledButton(
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onPressed: () => openAuthPage(context),
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child: Text(l10n.authGateAction),
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),
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],
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),
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),
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);
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}
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}
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