fluffychat/lib/utils/matrix_sdk_extensions.dart/matrix_file_extension.dart
2021-07-24 10:47:34 +02:00

91 lines
3.0 KiB
Dart

import 'dart:io';
import 'package:matrix/matrix.dart';
import 'package:fluffychat/utils/platform_infos.dart';
import 'package:flutter/material.dart';
import 'package:path_provider/path_provider.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:file_picker_cross/file_picker_cross.dart';
import 'package:filesystem_picker/filesystem_picker.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:share/share.dart';
extension MatrixFileExtension on MatrixFile {
void save(BuildContext context) async {
final fileName = name.split('/').last;
if (PlatformInfos.isIOS) {
final tmpDirectory = await getTemporaryDirectory();
final path = '${tmpDirectory.path}$fileName';
await File(path).writeAsBytes(bytes);
await Share.shareFiles([path]);
return;
}
if (PlatformInfos.isAndroid) {
if (!(await Permission.storage.request()).isGranted) return;
final path = await FilesystemPicker.open(
title: L10n.of(context).saveFile,
context: context,
rootDirectory: Directory('/sdcard/'),
fsType: FilesystemType.folder,
pickText: L10n.of(context).saveFileToFolder,
folderIconColor: Theme.of(context).primaryColor,
requestPermission: () async =>
await Permission.storage.request().isGranted,
);
if (path != null) {
// determine a unique filename
// somefile-number.extension, e.g. helloworld-1.txt
var file = File('$path/$fileName');
var i = 0;
var extension = '';
if (fileName.contains('.')) {
extension = fileName.substring(fileName.lastIndexOf('.'));
}
final fileNameWithoutExtension =
fileName.substring(0, fileName.lastIndexOf('.'));
while (await file.exists()) {
i++;
file = File('$path/$fileNameWithoutExtension-$i$extension');
}
await file.writeAsBytes(bytes);
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content:
Text(L10n.of(context).savedFileAs(file.path.split('/').last))));
}
} else {
final file = FilePickerCross(bytes);
await file.exportToStorage(fileName: fileName);
}
}
MatrixFile get detectFileType {
if (msgType == MessageTypes.Image) {
return MatrixImageFile(bytes: bytes, name: name);
}
if (msgType == MessageTypes.Video) {
return MatrixVideoFile(bytes: bytes, name: name);
}
if (msgType == MessageTypes.Audio) {
return MatrixAudioFile(bytes: bytes, name: name);
}
return this;
}
String get sizeString {
var size = this.size.toDouble();
if (size < 1000000) {
size = size / 1000;
size = (size * 10).round() / 10;
return '${size.toString()} KB';
} else if (size < 1000000000) {
size = size / 1000000;
size = (size * 10).round() / 10;
return '${size.toString()} MB';
} else {
size = size / 1000000000;
size = (size * 10).round() / 10;
return '${size.toString()} GB';
}
}
}