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update invoice section show download option

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This commit is contained in:
Abhishek Mali
2025-12-18 12:45:26 +05:30
parent b9fb9455e7
commit d606156a6d
12 changed files with 179 additions and 121 deletions
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163
lib/screens/invoice_detail_screen.dart
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@@ -1,9 +1,12 @@
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:path_provider/path_provider.dart';
import 'package:pdf/widgets.dart' as pw;
import 'package:share_plus/share_plus.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:path_provider/path_provider.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:share_plus/share_plus.dart';
import '../config/api_config.dart';
import '../services/dio_client.dart';
import '../services/invoice_service.dart';
import '../widgets/invoice_detail_view.dart';
@@ -26,9 +29,6 @@ class _InvoiceDetailScreenState extends State<InvoiceDetailScreen> {
load();
}
// -------------------------------------------------------
// ⭐ LOAD INVOICE FROM API
// -------------------------------------------------------
Future<void> load() async {
final service = InvoiceService(DioClient.getInstance(context));
try {
@@ -40,93 +40,116 @@ class _InvoiceDetailScreenState extends State<InvoiceDetailScreen> {
invoice = {};
}
} catch (e) {
// handle error gracefully
invoice = {};
} finally {
if (mounted) setState(() => loading = false);
}
}
// -------------------------------------------------------
// ⭐ GENERATE + SAVE PDF TO DOWNLOADS FOLDER
// (No Permission Needed)
// -------------------------------------------------------
Future<File> generatePDF() async {
final pdf = pw.Document();
String? get pdfUrl {
final path = invoice['pdf_path'];
if (path == null || path.toString().isEmpty) return null;
pdf.addPage(
pw.Page(
build: (context) => pw.Column(
crossAxisAlignment: pw.CrossAxisAlignment.start,
children: [
pw.Text(
"INVOICE DETAILS",
style: pw.TextStyle(fontSize: 26, fontWeight: pw.FontWeight.bold),
),
pw.SizedBox(height: 20),
return ApiConfig.fileBaseUrl + path;
}
pw.Text("Invoice ID: ${invoice['id'] ?? '-'}"),
pw.Text("Amount: ₹${invoice['amount'] ?? '-'}"),
pw.Text("Status: ${invoice['status'] ?? '-'}"),
pw.Text("Date: ${invoice['date'] ?? '-'}"),
pw.Text("Customer: ${invoice['customer_name'] ?? '-'}"),
],
),
),
);
static const MethodChannel _mediaScanner =
MethodChannel('media_scanner');
// ⭐ SAFEST WAY (Android 10–14)
final downloadsDir = await getDownloadsDirectory();
final filePath = "${downloadsDir!.path}/invoice_${invoice['id']}.pdf";
final file = File(filePath);
await file.writeAsBytes(await pdf.save());
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text("PDF saved to Downloads:\n$filePath")),
);
Future<void> _scanFile(String path) async {
try {
await _mediaScanner.invokeMethod('scanFile', {'path': path});
} catch (e) {
debugPrint("❌ MediaScanner error: $e");
}
return file;
}
// -------------------------------------------------------
// ⭐ SHARE THE SAVED PDF FILE
// -------------------------------------------------------
Future<void> sharePDF() async {
final file = await generatePDF();
await Share.shareXFiles(
[XFile(file.path)],
text: "Invoice Details",
);
Future<File?> _downloadPdf(String url) async {
try {
debugPrint("📥 PDF URL: $url");
final fileName = url.split('/').last;
// ✅ SAME FOLDER AS CHAT FILES
final baseDir = Directory('/storage/emulated/0/Download/KentChat');
if (!await baseDir.exists()) {
await baseDir.create(recursive: true);
debugPrint("📁 Created directory: ${baseDir.path}");
}
final filePath = "${baseDir.path}/$fileName";
debugPrint("📄 Saving PDF to: $filePath");
await Dio().download(
url,
filePath,
onReceiveProgress: (received, total) {
if (total > 0) {
debugPrint(
"⬇ Downloading: ${(received / total * 100).toStringAsFixed(1)}%",
);
}
},
);
// 🔔 VERY IMPORTANT: Notify Android system (same as chat)
await _scanFile(filePath);
debugPrint("✅ PDF Downloaded & Scanned Successfully");
return File(filePath);
} catch (e) {
debugPrint("❌ PDF download error: $e");
return null;
}
}
@override
Widget build(BuildContext context) {
final width = MediaQuery.of(context).size.width;
// ⭐ COMPACT RESPONSIVE SCALE
final scale = (width / 430).clamp(0.88, 1.08);
return Scaffold(
appBar: AppBar(
title: Text(
"Invoice Details",
style: TextStyle(
fontSize: 18 * scale,
fontWeight: FontWeight.w600,
title: const Text("Invoice Details"),
actions: pdfUrl == null
? []
: [
// DOWNLOAD
IconButton(
icon: const Icon(Icons.download_rounded),
onPressed: () async {
final file = await _downloadPdf(pdfUrl!);
if (file != null && mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text("Invoice downloaded")),
);
}
},
),
),
// ⭐ PDF + SHARE BUTTONS
actions: [
// SHARE
IconButton(
icon: const Icon(Icons.picture_as_pdf),
onPressed: generatePDF,
),
IconButton(
icon: const Icon(Icons.share),
onPressed: sharePDF,
icon: const Icon(Icons.share_rounded),
onPressed: () async {
final file = await _downloadPdf(pdfUrl!);
if (file != null) {
await Share.shareXFiles(
[XFile(file.path)],
text: "Invoice ${invoice['invoice_number']}",
);
}
},
),
],
),
@@ -146,6 +169,8 @@ class _InvoiceDetailScreenState extends State<InvoiceDetailScreen> {
)
: Padding(
padding: EdgeInsets.all(12 * scale),
// NOTE: InvoiceDetailView should handle its own responsiveness.
// If you want it to follow the same `scale`, I can update that widget to accept `scale`.
child: InvoiceDetailView(invoice: invoice),
),
);