invoice/lib/utils/pdf.dart

102 lines
3.4 KiB
Dart

import 'dart:async';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:invoiceninja_flutter/data/models/invoice_model.dart';
import 'package:invoiceninja_flutter/utils/localization.dart';
import 'package:url_launcher/url_launcher.dart';
//import 'package:native_pdf_renderer/native_pdf_renderer.dart';
Future<Null> viewPdf(InvoiceEntity invoice, BuildContext context) async {
final localization = AppLocalization.of(context);
if (Platform.isIOS) {
if (await canLaunch(invoice.invitationBorderlessLink)) {
await launch(invoice.invitationBorderlessLink,
forceSafariVC: true, forceWebView: true);
} else {
throw localization.anErrorOccurred;
}
return;
}
/*
showDialog<Scaffold>(
context: context,
builder: (BuildContext context) {
final localization = AppLocalization.of(context);
return Scaffold(
appBar: AppBar(
title: Text(
localization.invoice + ' ' + (invoice.invoiceNumber ?? '')),
actions: <Widget>[
FlatButton(
child: Text(
localization.download,
style: TextStyle(color: Colors.white),
),
onPressed: () {
launch(invoice.invitationDownloadLink,
forceSafariVC: false, forceWebView: false);
},
),
],
),
body: Container(
color: Colors.grey,
padding: const EdgeInsets.all(16),
child: Center(
child: FutureBuilder(
future: createFileOfPdfUrl(invoice.invitationDownloadLink),
builder: (BuildContext context,
AsyncSnapshot<PDFPageImage> snapshot) {
switch (snapshot.connectionState) {
case ConnectionState.none:
case ConnectionState.active:
case ConnectionState.waiting:
return LoadingIndicator();
case ConnectionState.done:
if (snapshot.hasError)
return Text('Error: ${snapshot.error}');
else
return Container(
color: Colors.white,
child: Image(
height: double.infinity,
image: MemoryImage(snapshot.data.bytes),
),
);
}
return null; // unreachable
}),
),
),
);
});
}
Future<PDFPageImage> createFileOfPdfUrl(String url) async {
//final filename = url.substring(url.lastIndexOf('/') + 1);
url =
'https://staging.invoiceninja.com/download/gj5d2udwzowatfsjibarq4eyo4k0cvpd';
final request = await HttpClient().getUrl(Uri.parse(url));
final response = await request.close();
final bytes = await consolidateHttpClientResponseBytes(response);
final document = await PDFDocument.openData(bytes);
final page = await document.getPage(1);
final pageImage = await page.render(width: page.width, height: page.height);
await page.close();
return pageImage;
*/
/*
final dir = (await getApplicationDocumentsDirectory()).path;
final file = new File('$dir/$filename');
await file.writeAsBytes(bytes);
return file;
*/
}