rayhan-erp/frontend/lib/screens/stock_screen.dart

323 lines
12 KiB
Dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../providers/article_provider.dart';
import '../models/article.dart';
import '../widgets/app_drawer.dart';
import 'stock_detail_screen.dart';
class StockScreen extends StatefulWidget {
const StockScreen({super.key});
@override
State<StockScreen> createState() => _StockScreenState();
}
class _StockScreenState extends State<StockScreen> {
String _filter = 'TOUS';
final _searchCtrl = TextEditingController();
String _search = '';
@override
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((_) {
context.read<ArticleProvider>().load();
});
}
@override
void dispose() {
_searchCtrl.dispose();
super.dispose();
}
List<Article> _filtered(List<Article> articles) {
return articles.where((a) {
final matchType = _filter == 'TOUS' || a.type == _filter;
final matchAlerte = _filter == 'ALERTE' ? a.enAlerte : true;
final matchSearch = _search.isEmpty ||
a.reference.toLowerCase().contains(_search.toLowerCase()) ||
a.designation.toLowerCase().contains(_search.toLowerCase());
return (matchType || matchAlerte) && matchSearch;
}).toList()
..sort((a, b) {
if (a.enAlerte && !b.enAlerte) return -1;
if (!a.enAlerte && b.enAlerte) return 1;
return a.designation.compareTo(b.designation);
});
}
static const _filters = [
('TOUS', 'Tous'),
('ALERTE', '🔴 Alertes'),
('MP', 'MP'),
('PSF', 'PSF'),
('PF', 'PF'),
];
@override
Widget build(BuildContext context) {
final provider = context.watch<ArticleProvider>();
final articles = _filtered(provider.articles);
final alertCount = provider.articles.where((a) => a.enAlerte).length;
return Scaffold(
backgroundColor: const Color(0xFFF5F7FA),
appBar: AppBar(
backgroundColor: Colors.white,
elevation: 0,
title: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('Stock', style: TextStyle(fontWeight: FontWeight.bold)),
if (!provider.isLoading)
Text('${provider.articles.length} articles · $alertCount en alerte',
style: TextStyle(
fontSize: 11,
color: alertCount > 0 ? Colors.red[600] : Colors.grey[500])),
],
),
actions: [
IconButton(
icon: const Icon(Icons.refresh_outlined),
onPressed: () => context.read<ArticleProvider>().load(),
),
],
),
drawer: const AppDrawer(currentRoute: '/stock'),
body: Column(
children: [
// Barre de recherche
Container(
color: Colors.white,
padding: const EdgeInsets.fromLTRB(16, 8, 16, 0),
child: TextField(
controller: _searchCtrl,
onChanged: (v) => setState(() => _search = v),
decoration: InputDecoration(
hintText: 'Rechercher un article…',
prefixIcon: const Icon(Icons.search, size: 20),
suffixIcon: _search.isNotEmpty
? IconButton(
icon: const Icon(Icons.clear, size: 18),
onPressed: () => setState(() {
_searchCtrl.clear();
_search = '';
}),
)
: null,
filled: true,
fillColor: const Color(0xFFF5F7FA),
contentPadding: const EdgeInsets.symmetric(vertical: 0, horizontal: 16),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(10), borderSide: BorderSide.none),
),
),
),
// Filtres
Container(
color: Colors.white,
padding: const EdgeInsets.fromLTRB(12, 8, 12, 12),
child: SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Row(
children: _filters.map((f) {
final selected = _filter == f.$1;
return Padding(
padding: const EdgeInsets.only(right: 8),
child: FilterChip(
label: Text(f.$2),
selected: selected,
onSelected: (_) => setState(() => _filter = f.$1),
selectedColor: f.$1 == 'ALERTE'
? Colors.red.withOpacity(0.15)
: Theme.of(context).colorScheme.primary.withOpacity(0.15),
checkmarkColor: f.$1 == 'ALERTE'
? Colors.red
: Theme.of(context).colorScheme.primary,
labelStyle: TextStyle(
fontSize: 12,
color: selected
? (f.$1 == 'ALERTE'
? Colors.red
: Theme.of(context).colorScheme.primary)
: Colors.grey[700],
fontWeight: selected ? FontWeight.w600 : FontWeight.normal,
),
),
);
}).toList(),
),
),
),
// Liste
Expanded(child: _buildList(provider, articles)),
],
),
);
}
Widget _buildList(ArticleProvider provider, List<Article> articles) {
if (provider.isLoading) return const Center(child: CircularProgressIndicator());
if (provider.error != null) {
return Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.error_outline, size: 48, color: Colors.grey[400]),
const SizedBox(height: 12),
Text(provider.error!),
const SizedBox(height: 16),
ElevatedButton(
onPressed: () => context.read<ArticleProvider>().load(),
child: const Text('Réessayer'),
),
],
),
);
}
if (articles.isEmpty) {
return Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.warehouse_outlined, size: 64, color: Colors.grey[300]),
const SizedBox(height: 16),
Text('Aucun article', style: TextStyle(color: Colors.grey[500], fontSize: 16)),
],
),
);
}
return RefreshIndicator(
onRefresh: () => context.read<ArticleProvider>().load(),
child: ListView.builder(
padding: const EdgeInsets.all(16),
itemCount: articles.length,
itemBuilder: (ctx, i) => _StockCard(article: articles[i]),
),
);
}
}
class _StockCard extends StatelessWidget {
final Article article;
const _StockCard({required this.article});
static const typeColors = {
'MP': Color(0xFF3B82F6),
'PSF': Color(0xFF8B5CF6),
'PF': Color(0xFF10B981),
};
@override
Widget build(BuildContext context) {
final typeColor = typeColors[article.type] ?? Colors.grey;
final pct = article.stockMinimum > 0
? (article.stockActuel / article.stockMinimum).clamp(0.0, 2.0)
: 1.0;
final barColor = article.enAlerte ? Colors.red : Colors.green;
return GestureDetector(
onTap: () => Navigator.push(context,
MaterialPageRoute(builder: (_) => StockDetailScreen(article: article))),
child: Container(
margin: const EdgeInsets.only(bottom: 10),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(12),
border: article.enAlerte ? Border.all(color: Colors.red[300]!, width: 1.5) : null,
boxShadow: [
BoxShadow(color: Colors.black.withOpacity(0.05), blurRadius: 8, offset: const Offset(0, 2)),
],
),
child: Padding(
padding: const EdgeInsets.all(14),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
decoration: BoxDecoration(
color: typeColor.withOpacity(0.12),
borderRadius: BorderRadius.circular(6),
),
child: Text(article.type,
style: TextStyle(color: typeColor, fontSize: 10, fontWeight: FontWeight.bold)),
),
const SizedBox(width: 8),
Expanded(
child: Text(article.designation,
style: const TextStyle(fontWeight: FontWeight.w600, fontSize: 14)),
),
if (article.enAlerte)
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
decoration: BoxDecoration(
color: Colors.red[50],
borderRadius: BorderRadius.circular(6),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.warning_amber, size: 12, color: Colors.red[600]),
const SizedBox(width: 3),
Text('ALERTE', style: TextStyle(color: Colors.red[600], fontSize: 10, fontWeight: FontWeight.bold)),
],
),
),
],
),
const SizedBox(height: 8),
Text(article.reference, style: TextStyle(color: Colors.grey[500], fontSize: 11)),
const SizedBox(height: 10),
// Barre de stock
Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Stock : ${article.stockActuel.toStringAsFixed(2)} ${article.uniteMesure ?? ''}',
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.w600,
color: article.enAlerte ? Colors.red[700] : const Color(0xFF374151)),
),
Text(
'Min : ${article.stockMinimum.toStringAsFixed(2)}',
style: TextStyle(fontSize: 11, color: Colors.grey[500]),
),
],
),
const SizedBox(height: 6),
ClipRRect(
borderRadius: BorderRadius.circular(4),
child: LinearProgressIndicator(
value: (pct / 2).clamp(0.0, 1.0),
backgroundColor: Colors.grey[200],
color: barColor,
minHeight: 6,
),
),
],
),
),
const SizedBox(width: 12),
Icon(Icons.chevron_right, color: Colors.grey[400]),
],
),
],
),
),
),
);
}
}