270 lines
11 KiB
Dart
270 lines
11 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import '../../../core/network/api_client.dart';
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import '../../../core/theme/app_theme.dart';
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import '../../../core/widgets/glass_container.dart';
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import '../../../core/widgets/shimmer_loading.dart';
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import '../../trades/bloc/trade_bloc.dart';
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import '../../trades/bloc/trade_event.dart';
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import '../../trades/bloc/trade_state.dart';
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import '../../trades/repositories/trade_repository.dart';
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import '../../asset_detail/views/asset_detail_screen.dart';
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import 'dart:ui';
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/// Premium Dashboard Widget for Auto-Screener Asset Recommendations
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class TradesStreamWidget extends StatelessWidget {
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final ApiClient apiClient;
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const TradesStreamWidget({super.key, required this.apiClient});
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@override
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Widget build(BuildContext context) {
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return BlocProvider(
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create: (context) => TradeBloc(
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repository: TradeRepository(apiClient: apiClient),
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)..add(const FetchTrades()),
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child: const _TradesStreamWidgetContent(),
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);
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}
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}
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class _TradesStreamWidgetContent extends StatelessWidget {
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const _TradesStreamWidgetContent();
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@override
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Widget build(BuildContext context) {
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return BlocBuilder<TradeBloc, TradeState>(
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builder: (context, state) {
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if (state is TradeLoading) {
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return const _PremiumLoadingSkeleton();
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}
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if (state is TradeLoaded) {
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final proposals = state.trades.where((t) => t.isProposed && !t.isRejected).toList();
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if (proposals.isEmpty) {
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return const _EmptyRecommendations();
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}
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Container(
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padding: const EdgeInsets.all(6),
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decoration: BoxDecoration(
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color: AppTheme.primaryEmerald.withValues(alpha: 0.2),
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shape: BoxShape.circle,
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boxShadow: [
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BoxShadow(
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color: AppTheme.primaryEmerald.withValues(alpha: 0.4),
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blurRadius: 8,
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spreadRadius: 2,
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),
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],
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),
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child: Icon(Icons.bolt, color: AppTheme.primaryEmerald, size: 18),
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),
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const SizedBox(width: 8),
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const Text(
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'KI Asset Empfehlungen',
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style: TextStyle(fontWeight: FontWeight.bold, fontSize: 18, color: Colors.white, letterSpacing: 0.5),
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),
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const Spacer(),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
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decoration: BoxDecoration(
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color: Colors.amber.withValues(alpha: 0.15),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: Colors.amber.withValues(alpha: 0.3)),
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),
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child: Row(
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children: [
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const Icon(Icons.star_rounded, size: 14, color: Colors.amber),
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const SizedBox(width: 4),
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Text(
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'${proposals.length} Neu',
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style: const TextStyle(color: Colors.amber, fontWeight: FontWeight.bold, fontSize: 12),
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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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const SizedBox(height: 12),
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SizedBox(
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height: 160,
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child: ListView.builder(
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scrollDirection: Axis.horizontal,
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physics: const BouncingScrollPhysics(),
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itemCount: proposals.length,
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itemBuilder: (context, index) {
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final p = proposals[index];
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final isBuy = p.direction.isLong;
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final signalColor = isBuy ? AppTheme.primaryEmerald : AppTheme.accentRed;
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return GestureDetector(
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (ctx) => AssetDetailScreen(
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isin: p.underlyingIsin,
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name: p.symbol,
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symbol: p.symbol.isNotEmpty ? p.symbol : null,
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apiClient: context.read<TradeBloc>().repository.apiClient,
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),
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),
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);
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},
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child: Container(
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width: 260,
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margin: const EdgeInsets.only(right: 16),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(20),
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child: BackdropFilter(
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filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10),
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child: Container(
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.03),
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borderRadius: BorderRadius.circular(20),
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border: Border.all(color: Colors.white.withValues(alpha: 0.1)),
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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Colors.white.withValues(alpha: 0.08),
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signalColor.withValues(alpha: 0.02),
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],
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),
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),
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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p.symbol.isNotEmpty ? p.symbol : 'Trade',
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style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 20, color: Colors.white),
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),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(
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color: signalColor.withValues(alpha: 0.15),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: signalColor.withValues(alpha: 0.3)),
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),
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child: Text(
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p.direction.label,
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style: TextStyle(color: signalColor, fontWeight: FontWeight.bold, fontSize: 11),
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),
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),
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],
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),
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const SizedBox(height: 4),
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Text(
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p.underlyingIsin,
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style: TextStyle(color: AppTheme.textMuted, fontSize: 12),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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const Spacer(),
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Row(
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children: [
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Text(
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p.instrumentType.label,
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style: TextStyle(color: AppTheme.accentCyan, fontWeight: FontWeight.w600, fontSize: 13),
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),
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const Spacer(),
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const Icon(Icons.arrow_forward_rounded, color: Colors.white54, size: 16),
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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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},
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),
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),
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],
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);
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}
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return const SizedBox.shrink();
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},
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);
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}
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}
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class _PremiumLoadingSkeleton extends StatelessWidget {
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const _PremiumLoadingSkeleton();
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@override
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Widget build(BuildContext context) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const ShimmerLoading(width: 200, height: 24, borderRadius: 4),
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const SizedBox(height: 12),
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SizedBox(
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height: 160,
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child: ListView.builder(
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scrollDirection: Axis.horizontal,
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itemCount: 3,
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itemBuilder: (_, __) => const Padding(
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padding: EdgeInsets.only(right: 16),
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child: ShimmerLoading(width: 260, height: 160, borderRadius: 20),
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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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class _EmptyRecommendations extends StatelessWidget {
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const _EmptyRecommendations();
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@override
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Widget build(BuildContext context) {
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return GlassContainer(
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padding: const EdgeInsets.all(20),
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child: Row(
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children: [
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: AppTheme.accentCyan.withValues(alpha: 0.1),
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shape: BoxShape.circle,
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),
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child: Icon(Icons.radar, color: AppTheme.accentCyan, size: 24),
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),
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const SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'KI Screener läuft...',
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style: TextStyle(fontWeight: FontWeight.bold, fontSize: 15, color: Colors.white),
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),
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const SizedBox(height: 4),
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Text(
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'Es gibt aktuell keine neuen hoch-konfidenten Asset-Vorschläge. Die KI analysiert den Markt kontinuierlich.',
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style: TextStyle(color: AppTheme.textMuted, fontSize: 12),
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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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