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

486 lines
15 KiB
Dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:intl/intl.dart';
import '../providers/ventes_provider.dart';
import '../providers/article_provider.dart';
import '../models/client.dart';
import '../models/article.dart';
import '../models/sales_order.dart';
class SalesOrderFormScreen extends StatefulWidget {
const SalesOrderFormScreen({super.key});
@override
State<SalesOrderFormScreen> createState() => _SalesOrderFormScreenState();
}
class _SalesOrderFormScreenState extends State<SalesOrderFormScreen> {
final _formKey = GlobalKey<FormState>();
Client? _selectedClient;
DateTime? _dateLivraison;
final _notesCtrl = TextEditingController();
final List<_LigneSaisie> _lignes = [];
bool _saving = false;
@override
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((_) {
if (context.read<ArticleProvider>().articles.isEmpty) {
context.read<ArticleProvider>().load();
}
});
}
@override
void dispose() {
_notesCtrl.dispose();
for (final l in _lignes) {
l.dispose();
}
super.dispose();
}
void _addLigne() {
setState(() => _lignes.add(_LigneSaisie()));
}
void _removeLigne(int i) {
setState(() {
_lignes[i].dispose();
_lignes.removeAt(i);
});
}
double get _totalHT => _lignes.fold(0, (s, l) {
final qte = double.tryParse(l.qteCtrl.text) ?? 0;
final prix = double.tryParse(l.prixCtrl.text) ?? 0;
return s + qte * prix;
});
double get _totalTTC => _totalHT * 1.19;
Future<void> _save() async {
if (!_formKey.currentState!.validate()) return;
if (_selectedClient == null) {
_showError('Veuillez sélectionner un client');
return;
}
if (_lignes.isEmpty) {
_showError('Ajoutez au moins une ligne');
return;
}
for (int i = 0; i < _lignes.length; i++) {
if (_lignes[i].article == null) {
_showError('Sélectionnez un article pour la ligne ${i + 1}');
return;
}
}
setState(() => _saving = true);
final lignes = _lignes.map((l) => SalesOrderLine(
article: l.article,
quantiteCommandee: double.tryParse(l.qteCtrl.text) ?? 0,
prixUnitaireHT: double.tryParse(l.prixCtrl.text) ?? 0,
tauxTVA: 19.0,
)).toList();
final order = SalesOrder(
client: _selectedClient,
dateCommande: DateTime.now().toIso8601String().substring(0, 10),
dateLivraisonSouhaitee:
_dateLivraison?.toIso8601String().substring(0, 10),
notes: _notesCtrl.text.trim().isEmpty ? null : _notesCtrl.text.trim(),
lignes: lignes,
);
final err = await context.read<VentesProvider>().createOrder(order);
if (mounted) {
setState(() => _saving = false);
if (err == null) {
Navigator.pop(context);
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text('Commande créée avec succès'),
backgroundColor: Colors.green,
));
} else {
_showError(err);
}
}
}
void _showError(String msg) {
ScaffoldMessenger.of(context)
.showSnackBar(SnackBar(content: Text(msg), backgroundColor: Colors.red));
}
@override
Widget build(BuildContext context) {
final clients = context.watch<VentesProvider>().clients;
final articles = context.watch<ArticleProvider>().articles;
final fmt = NumberFormat.currency(locale: 'fr_TN', symbol: 'TND', decimalDigits: 3);
return Scaffold(
backgroundColor: const Color(0xFFF5F7FA),
appBar: AppBar(
backgroundColor: Colors.white,
elevation: 0,
title: const Text('Nouvelle commande vente',
style: TextStyle(fontWeight: FontWeight.bold)),
),
body: Form(
key: _formKey,
child: ListView(
padding: const EdgeInsets.all(16),
children: [
// Client
_SectionCard(
title: 'Client',
child: DropdownButtonFormField<Client>(
value: _selectedClient,
hint: const Text('Sélectionner un client'),
decoration: _deco('Client'),
items: clients
.map((c) => DropdownMenuItem(
value: c,
child: Text(c.raisonSociale),
))
.toList(),
onChanged: (v) => setState(() => _selectedClient = v),
validator: (v) => v == null ? 'Obligatoire' : null,
),
),
const SizedBox(height: 12),
// Date livraison souhaitée
_SectionCard(
title: 'Livraison souhaitée (optionnel)',
child: GestureDetector(
onTap: () async {
final d = await showDatePicker(
context: context,
initialDate:
DateTime.now().add(const Duration(days: 7)),
firstDate: DateTime.now(),
lastDate:
DateTime.now().add(const Duration(days: 365)),
);
if (d != null) setState(() => _dateLivraison = d);
},
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 12, vertical: 14),
decoration: BoxDecoration(
color: const Color(0xFFF8F9FA),
border: Border.all(color: Colors.grey[400]!),
borderRadius: BorderRadius.circular(8),
),
child: Row(
children: [
const Icon(Icons.calendar_today_outlined,
size: 18, color: Colors.grey),
const SizedBox(width: 8),
Text(
_dateLivraison != null
? DateFormat('dd/MM/yyyy').format(_dateLivraison!)
: 'Choisir une date',
style: TextStyle(
color: _dateLivraison != null
? Colors.black87
: Colors.grey[600],
),
),
],
),
),
),
),
const SizedBox(height: 12),
// Lignes de commande
_SectionCard(
title: 'Lignes de commande',
child: Column(
children: [
..._lignes.asMap().entries.map((e) => _LigneWidget(
index: e.key,
ligne: e.value,
articles: articles,
onRemove: () => _removeLigne(e.key),
onChanged: () => setState(() {}),
)),
const SizedBox(height: 8),
OutlinedButton.icon(
onPressed: _addLigne,
icon: const Icon(Icons.add),
label: const Text('Ajouter une ligne'),
),
],
),
),
const SizedBox(height: 12),
// Notes
_SectionCard(
title: 'Notes (optionnel)',
child: TextFormField(
controller: _notesCtrl,
maxLines: 3,
decoration: _deco('Notes / instructions').copyWith(
hintText: 'Remarques, conditions particulières…'),
),
),
const SizedBox(height: 12),
// Total
if (_lignes.isNotEmpty)
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.primary,
borderRadius: BorderRadius.circular(12),
),
child: Column(
children: [
_TotalRow(
label: 'Total HT', value: fmt.format(_totalHT), white: true),
_TotalRow(
label: 'TVA (19%)',
value: fmt.format(_totalTTC - _totalHT),
white: true),
const Divider(color: Colors.white30),
_TotalRow(
label: 'Total TTC',
value: fmt.format(_totalTTC),
white: true,
bold: true),
],
),
),
const SizedBox(height: 24),
SizedBox(
height: 52,
child: ElevatedButton(
onPressed: _saving ? null : _save,
style: ElevatedButton.styleFrom(
backgroundColor: Theme.of(context).colorScheme.primary,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10)),
),
child: _saving
? const SizedBox(
width: 22,
height: 22,
child: CircularProgressIndicator(
strokeWidth: 2, color: Colors.white))
: const Text('Créer la commande',
style: TextStyle(
fontSize: 15, fontWeight: FontWeight.w600)),
),
),
const SizedBox(height: 32),
],
),
),
);
}
}
class _LigneWidget extends StatelessWidget {
final int index;
final _LigneSaisie ligne;
final List<Article> articles;
final VoidCallback onRemove;
final VoidCallback onChanged;
const _LigneWidget({
required this.index,
required this.ligne,
required this.articles,
required this.onRemove,
required this.onChanged,
});
@override
Widget build(BuildContext context) {
return Container(
margin: const EdgeInsets.only(bottom: 12),
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: const Color(0xFFF5F7FA),
borderRadius: BorderRadius.circular(8),
border: Border.all(color: Colors.grey[300]!),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Text('Ligne ${index + 1}',
style: const TextStyle(
fontWeight: FontWeight.w600, fontSize: 12)),
const Spacer(),
GestureDetector(
onTap: onRemove,
child: const Icon(Icons.close, size: 18, color: Colors.red),
),
],
),
const SizedBox(height: 8),
DropdownButtonFormField<Article>(
value: ligne.article,
hint: const Text('Article', style: TextStyle(fontSize: 13)),
decoration: _deco('Article').copyWith(
contentPadding: const EdgeInsets.symmetric(
horizontal: 10, vertical: 10)),
items: articles
.map((a) => DropdownMenuItem(
value: a,
child: Text('${a.reference}${a.designation}',
style: const TextStyle(fontSize: 13)),
))
.toList(),
onChanged: (a) {
ligne.article = a;
if (a != null) {
ligne.prixCtrl.text = a.prixUnitaire.toString();
}
onChanged();
},
),
const SizedBox(height: 8),
Row(
children: [
Expanded(
child: TextFormField(
controller: ligne.qteCtrl,
keyboardType: TextInputType.number,
decoration: _deco('Quantité').copyWith(
contentPadding: const EdgeInsets.symmetric(
horizontal: 10, vertical: 10)),
onChanged: (_) => onChanged(),
validator: (v) {
if (v == null || v.isEmpty) return 'Requis';
if ((double.tryParse(v) ?? 0) <= 0) return '> 0';
return null;
},
),
),
const SizedBox(width: 8),
Expanded(
child: TextFormField(
controller: ligne.prixCtrl,
keyboardType: TextInputType.number,
decoration: _deco('Prix HT').copyWith(
contentPadding: const EdgeInsets.symmetric(
horizontal: 10, vertical: 10)),
onChanged: (_) => onChanged(),
validator: (v) {
if (v == null || v.isEmpty) return 'Requis';
if ((double.tryParse(v) ?? 0) <= 0) return '> 0';
return null;
},
),
),
],
),
],
),
);
}
}
class _LigneSaisie {
Article? article;
final qteCtrl = TextEditingController();
final prixCtrl = TextEditingController();
void dispose() {
qteCtrl.dispose();
prixCtrl.dispose();
}
}
class _SectionCard extends StatelessWidget {
final String title;
final Widget child;
const _SectionCard({required this.title, required this.child});
@override
Widget build(BuildContext context) {
return Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(12),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.04),
blurRadius: 8,
offset: const Offset(0, 2)),
],
),
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(title,
style: const TextStyle(
fontWeight: FontWeight.w700,
fontSize: 12,
color: Color(0xFF6B7280))),
const SizedBox(height: 10),
child,
],
),
);
}
}
class _TotalRow extends StatelessWidget {
final String label;
final String value;
final bool white;
final bool bold;
const _TotalRow(
{required this.label,
required this.value,
this.white = false,
this.bold = false});
@override
Widget build(BuildContext context) {
final color = white ? Colors.white : const Color(0xFF374151);
return Padding(
padding: const EdgeInsets.symmetric(vertical: 3),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(label,
style: TextStyle(
color: white ? Colors.white70 : Colors.grey[600],
fontSize: 13)),
Text(value,
style: TextStyle(
color: color,
fontWeight:
bold ? FontWeight.bold : FontWeight.normal,
fontSize: bold ? 16 : 13)),
],
),
);
}
}
InputDecoration _deco(String label) => InputDecoration(
labelText: label,
border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
filled: true,
fillColor: const Color(0xFFF8F9FA),
contentPadding:
const EdgeInsets.symmetric(horizontal: 12, vertical: 14),
);