20 changed files with 960 additions and 29 deletions
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// pages/facture_screen.dart |
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import 'package:flutter/material.dart'; |
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import 'package:flutter/services.dart'; |
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import '../models/command_detail.dart'; |
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import '../services/pdf_service.dart'; |
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|
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class FactureScreen extends StatefulWidget { |
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final CommandeDetail commande; |
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final String paymentMethod; |
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|
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const FactureScreen({ |
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Key? key, |
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required this.commande, |
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required this.paymentMethod, |
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}) : super(key: key); |
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|
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@override |
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_FactureScreenState createState() => _FactureScreenState(); |
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} |
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|
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class _FactureScreenState extends State<FactureScreen> { |
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String get paymentMethodText { |
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switch (widget.paymentMethod) { |
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case 'mvola': |
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return 'MVola'; |
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case 'carte': |
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return 'CB'; |
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case 'especes': |
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return 'Espèces'; |
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default: |
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return 'CB'; |
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} |
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} |
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|
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String get factureNumber { |
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return 'F${DateTime.now().millisecondsSinceEpoch.toString().substring(7)}'; |
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} |
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|
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@override |
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Widget build(BuildContext context) { |
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return Scaffold( |
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backgroundColor: Colors.grey[100], |
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appBar: AppBar( |
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backgroundColor: Colors.white, |
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elevation: 0, |
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leading: IconButton( |
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icon: const Icon(Icons.arrow_back, color: Colors.black), |
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onPressed: () => Navigator.of(context).pop(), |
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), |
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title: const Text( |
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'Retour', |
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style: TextStyle( |
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color: Colors.black, |
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fontSize: 16, |
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fontWeight: FontWeight.w500, |
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), |
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), |
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actions: [ |
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Container( |
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margin: const EdgeInsets.only(right: 16, top: 8, bottom: 8), |
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child: ElevatedButton.icon( |
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onPressed: _printReceipt, |
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icon: const Icon(Icons.print, size: 18), |
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label: const Text('Imprimer'), |
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style: ElevatedButton.styleFrom( |
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backgroundColor: const Color(0xFF28A745), |
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foregroundColor: Colors.white, |
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elevation: 0, |
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shape: RoundedRectangleBorder( |
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borderRadius: BorderRadius.circular(6), |
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), |
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padding: const EdgeInsets.symmetric( |
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horizontal: 12, |
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vertical: 8, |
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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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body: Center( |
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child: Container( |
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width: 400, |
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margin: const EdgeInsets.all(20), |
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child: Card( |
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elevation: 2, |
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color: Colors.white, |
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shape: RoundedRectangleBorder( |
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borderRadius: BorderRadius.circular(8), |
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), |
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child: Padding( |
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padding: const EdgeInsets.all(40), |
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child: Column( |
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mainAxisSize: MainAxisSize.min, |
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children: [ |
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_buildHeader(), |
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const SizedBox(height: 30), |
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_buildFactureInfo(), |
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const SizedBox(height: 30), |
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_buildItemsList(), |
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const SizedBox(height: 20), |
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_buildTotal(), |
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const SizedBox(height: 30), |
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_buildFooter(), |
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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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Widget _buildHeader() { |
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return Column( |
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children: [ |
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const Text( |
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'RESTAURANT', |
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style: TextStyle( |
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fontSize: 20, |
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fontWeight: FontWeight.bold, |
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letterSpacing: 1.2, |
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), |
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), |
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const SizedBox(height: 12), |
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const Text( |
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'Adresse: 123 Rue de la Paix', |
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style: TextStyle(fontSize: 12, color: Colors.black87), |
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), |
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const Text( |
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'Contact: +33 1 23 45 67 89', |
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style: TextStyle(fontSize: 12, color: Colors.black87), |
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), |
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], |
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); |
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} |
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|
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Widget _buildFactureInfo() { |
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final now = DateTime.now(); |
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final dateStr = |
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'${now.day.toString().padLeft(2, '0')}/${now.month.toString().padLeft(2, '0')}/${now.year}'; |
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final timeStr = |
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'${now.hour.toString().padLeft(2, '0')}:${now.minute.toString().padLeft(2, '0')}'; |
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|
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return Column( |
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children: [ |
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Text( |
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'Facture n° $factureNumber', |
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style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w600), |
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), |
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const SizedBox(height: 4), |
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Text( |
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'Date: $dateStr $timeStr', |
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style: const TextStyle(fontSize: 12, color: Colors.black87), |
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), |
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const SizedBox(height: 4), |
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Text( |
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'Table: ${widget.commande.tableId}', |
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style: const TextStyle(fontSize: 12, color: Colors.black87), |
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), |
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const SizedBox(height: 4), |
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Text( |
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'Paiement: $paymentMethodText', |
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style: const TextStyle(fontSize: 12, color: Colors.black87), |
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), |
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], |
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); |
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} |
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|
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Widget _buildItemsList() { |
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return Column( |
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children: [ |
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const Padding( |
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padding: EdgeInsets.only(bottom: 10), |
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child: Row( |
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mainAxisAlignment: MainAxisAlignment.spaceBetween, |
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children: [ |
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Text( |
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'Qté Désignation', |
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style: TextStyle(fontSize: 12, fontWeight: FontWeight.w600), |
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), |
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Text( |
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'Prix', |
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style: TextStyle(fontSize: 12, fontWeight: FontWeight.w600), |
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), |
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], |
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), |
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), |
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const Divider(height: 1, color: Colors.black26), |
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const SizedBox(height: 10), |
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...widget.commande.items |
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.map( |
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(item) => Padding( |
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padding: const EdgeInsets.only(bottom: 6), |
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child: Row( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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mainAxisAlignment: MainAxisAlignment.spaceBetween, |
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children: [ |
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Expanded( |
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child: Text( |
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'${item.quantite} ${item.menuNom}', |
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style: const TextStyle( |
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fontSize: 12, |
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color: Colors.black87, |
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), |
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), |
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), |
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Text( |
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'${(item.prixUnitaire * item.quantite).toStringAsFixed(2)} MGA', |
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style: const TextStyle( |
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fontSize: 12, |
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color: Colors.black87, |
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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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.toList(), |
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], |
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); |
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} |
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|
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Widget _buildTotal() { |
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return Column( |
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children: [ |
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const Divider(height: 1, color: Colors.black26), |
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const SizedBox(height: 12), |
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Row( |
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mainAxisAlignment: MainAxisAlignment.spaceBetween, |
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children: [ |
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const Text( |
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'Total:', |
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold), |
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), |
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Text( |
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'${widget.commande.totalTtc.toStringAsFixed(2)} €', |
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style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold), |
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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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Widget _buildFooter() { |
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return const Text( |
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'Merci et à bientôt !', |
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style: TextStyle( |
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fontSize: 12, |
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fontStyle: FontStyle.italic, |
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color: Colors.black54, |
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), |
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); |
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} |
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|
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void _printReceipt() async { |
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try { |
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HapticFeedback.lightImpact(); |
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|
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final success = await PdfService.printFacture( |
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commande: widget.commande, |
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paymentMethod: widget.paymentMethod, |
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); |
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|
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if (success) { |
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ScaffoldMessenger.of(context).showSnackBar( |
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SnackBar( |
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content: const Row( |
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children: [ |
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Icon(Icons.check_circle, color: Colors.white), |
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SizedBox(width: 8), |
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Text('Facture envoyée à l\'impression'), |
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], |
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), |
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backgroundColor: const Color(0xFF28A745), |
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duration: const Duration(seconds: 2), |
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shape: RoundedRectangleBorder( |
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borderRadius: BorderRadius.circular(6), |
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), |
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margin: const EdgeInsets.all(16), |
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behavior: SnackBarBehavior.floating, |
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), |
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); |
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|
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Future.delayed(const Duration(seconds: 2), () { |
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if (mounted) { |
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Navigator.of(context).popUntil((route) => route.isFirst); |
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} |
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}); |
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} |
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} catch (e) { |
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ScaffoldMessenger.of(context).showSnackBar( |
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SnackBar( |
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content: Text('Erreur impression: $e'), |
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backgroundColor: Colors.red, |
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), |
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); |
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} finally { |
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if (mounted) { |
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Navigator.of(context).pop(); |
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} |
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} |
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} |
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} |
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@ -0,0 +1,266 @@ |
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// services/pdf_service.dart |
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import 'dart:io'; |
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import 'dart:typed_data'; |
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import 'package:pdf/pdf.dart'; |
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import 'package:pdf/widgets.dart' as pw; |
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import 'package:printing/printing.dart'; |
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import 'package:path_provider/path_provider.dart'; |
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import 'package:share_plus/share_plus.dart'; |
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import '../models/command_detail.dart'; |
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|
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class PdfService { |
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static Future<Uint8List> generateFacturePdf({ |
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required CommandeDetail commande, |
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required String paymentMethod, |
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}) async { |
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final pdf = pw.Document(); |
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|
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// Informations du restaurant |
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final restaurantInfo = { |
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'nom': 'RESTAURANT', |
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'adresse': 'Moramanga, Antananarivo', |
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'contact': '+261 34 12 34 56', |
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}; |
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|
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// Générer numéro de facture |
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final factureNumber = |
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'F${DateTime.now().millisecondsSinceEpoch.toString().substring(7)}'; |
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final dateTime = DateTime.now(); |
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|
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pdf.addPage( |
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pw.Page( |
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pageFormat: PdfPageFormat.a4, |
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margin: const pw.EdgeInsets.all(32), |
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build: (pw.Context context) { |
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return pw.Column( |
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crossAxisAlignment: pw.CrossAxisAlignment.start, |
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children: [ |
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// En-tête Restaurant |
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pw.Center( |
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child: pw.Column( |
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children: [ |
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pw.Text( |
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restaurantInfo['nom']!, |
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style: pw.TextStyle( |
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fontSize: 24, |
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fontWeight: pw.FontWeight.bold, |
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), |
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), |
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pw.SizedBox(height: 8), |
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pw.Text( |
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'Adresse: ${restaurantInfo['adresse']}', |
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style: const pw.TextStyle(fontSize: 12), |
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), |
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pw.Text( |
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'Contact: ${restaurantInfo['contact']}', |
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style: const pw.TextStyle(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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pw.SizedBox(height: 30), |
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|
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// Informations facture |
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pw.Center( |
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child: pw.Column( |
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children: [ |
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pw.Text( |
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'Facture n° $factureNumber', |
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style: pw.TextStyle( |
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fontSize: 14, |
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fontWeight: pw.FontWeight.bold, |
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), |
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), |
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pw.SizedBox(height: 4), |
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pw.Text( |
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'Date: ${_formatDateTime(dateTime)}', |
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style: const pw.TextStyle(fontSize: 12), |
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), |
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pw.SizedBox(height: 4), |
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pw.Text( |
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'Table: ${commande.numeroCommande}', |
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style: const pw.TextStyle(fontSize: 12), |
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), |
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pw.SizedBox(height: 4), |
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pw.Text( |
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'Paiement: ${_getPaymentMethodText(paymentMethod)}', |
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style: const pw.TextStyle(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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pw.SizedBox(height: 30), |
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|
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// Tableau des articles |
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pw.Table( |
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border: pw.TableBorder.all(color: PdfColors.grey300), |
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columnWidths: { |
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0: const pw.FlexColumnWidth(3), |
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1: const pw.FlexColumnWidth(1), |
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2: const pw.FlexColumnWidth(1), |
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}, |
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children: [ |
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// En-tête du tableau |
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pw.TableRow( |
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decoration: const pw.BoxDecoration( |
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color: PdfColors.grey100, |
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), |
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children: [ |
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pw.Padding( |
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padding: const pw.EdgeInsets.all(8), |
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child: pw.Text( |
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'Qté Désignation', |
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style: pw.TextStyle(fontWeight: pw.FontWeight.bold), |
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), |
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), |
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pw.Padding( |
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padding: const pw.EdgeInsets.all(8), |
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child: pw.Text( |
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'Prix', |
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style: pw.TextStyle(fontWeight: pw.FontWeight.bold), |
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textAlign: pw.TextAlign.right, |
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), |
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), |
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], |
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), |
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// Lignes des articles |
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...commande.items |
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.map( |
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(item) => pw.TableRow( |
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children: [ |
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pw.Padding( |
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padding: const pw.EdgeInsets.all(8), |
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child: pw.Text( |
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'${item.quantite} TESTNOMCOMMANDE', |
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), |
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), |
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pw.Padding( |
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padding: const pw.EdgeInsets.all(8), |
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child: pw.Text( |
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'${item.prixUnitaire.toStringAsFixed(2)} €', |
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textAlign: pw.TextAlign.right, |
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), |
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), |
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], |
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), |
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) |
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.toList(), |
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], |
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), |
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|
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pw.SizedBox(height: 20), |
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|
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// Total |
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pw.Container( |
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alignment: pw.Alignment.centerRight, |
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child: pw.Container( |
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padding: const pw.EdgeInsets.all(12), |
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decoration: pw.BoxDecoration( |
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border: pw.Border.all(color: PdfColors.grey400), |
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color: PdfColors.grey50, |
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), |
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child: pw.Text( |
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'Total: ${commande.totalTtc.toStringAsFixed(2)} €', |
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style: pw.TextStyle( |
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fontSize: 16, |
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fontWeight: pw.FontWeight.bold, |
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), |
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), |
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), |
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), |
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|
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pw.Spacer(), |
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|
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// Message de remerciement |
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pw.Center( |
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child: pw.Text( |
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'Merci et à bientôt !', |
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style: pw.TextStyle( |
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fontSize: 12, |
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fontStyle: pw.FontStyle.italic, |
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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 pdf.save(); |
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} |
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|
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static String _formatDateTime(DateTime dateTime) { |
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return '${dateTime.day.toString().padLeft(2, '0')}/${dateTime.month.toString().padLeft(2, '0')}/${dateTime.year} ${dateTime.hour.toString().padLeft(2, '0')}:${dateTime.minute.toString().padLeft(2, '0')}'; |
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} |
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|
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static String _getPaymentMethodText(String method) { |
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switch (method) { |
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case 'mvola': |
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return 'MVola'; |
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case 'carte': |
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return 'CB'; |
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case 'especes': |
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return 'Espèces'; |
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default: |
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return 'CB'; |
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} |
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} |
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|
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// Imprimer directement |
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static Future<bool> printFacture({ |
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required CommandeDetail commande, |
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required String paymentMethod, |
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}) async { |
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try { |
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final pdfData = await generateFacturePdf( |
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commande: commande, |
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paymentMethod: paymentMethod, |
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); |
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|
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await Printing.layoutPdf( |
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onLayout: (PdfPageFormat format) async => pdfData, |
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name: |
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'Facture_${commande.numeroCommande}_${DateTime.now().millisecondsSinceEpoch}', |
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); |
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|
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return true; |
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} catch (e) { |
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print('Erreur impression: $e'); |
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return false; |
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} |
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} |
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|
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// Sauvegarder et partager le PDF |
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static Future<bool> saveAndShareFacture({ |
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required CommandeDetail commande, |
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required String paymentMethod, |
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}) async { |
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try { |
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final pdfData = await generateFacturePdf( |
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commande: commande, |
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paymentMethod: paymentMethod, |
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); |
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|
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final directory = await getApplicationDocumentsDirectory(); |
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final fileName = |
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'Facture_${commande.numeroCommande}_${DateTime.now().millisecondsSinceEpoch}.pdf'; |
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final file = File('${directory.path}/$fileName'); |
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|
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await file.writeAsBytes(pdfData); |
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|
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await Share.shareXFiles( |
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[XFile(file.path)], |
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subject: 'Facture ${commande.numeroCommande}', |
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text: 'Facture de votre commande au restaurant', |
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); |
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|
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return true; |
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} catch (e) { |
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print('Erreur sauvegarde/partage: $e'); |
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return false; |
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} |
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} |
|||
} |
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Reference in new issue