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feat(web): support local filesystem read/save actions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,11 +1,11 @@ | ||
| class LunaFile { | ||
| String path; | ||
| String name; | ||
| List<int> data; | ||
| String name; | ||
| String? path; | ||
|
|
||
| LunaFile({ | ||
| required this.path, | ||
| required this.name, | ||
| required this.data, | ||
| required this.name, | ||
| this.path, | ||
| }); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,61 @@ | ||
| // ignore: always_use_package_imports | ||
| import '../filesystem.dart'; | ||
| // ignore: avoid_web_libraries_in_flutter | ||
| import 'dart:html'; | ||
| import 'package:file_picker/file_picker.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:lunasea/system/filesystem/file.dart'; | ||
| import 'package:lunasea/system/filesystem/filesystem.dart'; | ||
| import 'package:lunasea/system/logger.dart'; | ||
| import 'package:lunasea/vendor.dart'; | ||
| import 'package:lunasea/widgets/ui.dart'; | ||
|
|
||
| bool isPlatformSupported() => false; | ||
| LunaFileSystem getFileSystem() => | ||
| throw UnsupportedError('LunaFileSystem unsupported'); | ||
| bool isPlatformSupported() => true; | ||
| LunaFileSystem getFileSystem() { | ||
| if (isPlatformSupported()) return _Web(); | ||
| throw UnsupportedError('LunaFileSystem unsupported'); | ||
| } | ||
|
|
||
| class _Web implements LunaFileSystem { | ||
| @override | ||
| Future<void> nuke() async {} | ||
|
|
||
| @override | ||
| Future<bool> save(BuildContext context, String name, List<int> data) async { | ||
| try { | ||
| final blob = Blob([utf8.decode(data)]); | ||
| final anchor = AnchorElement(href: Url.createObjectUrlFromBlob(blob)); | ||
| anchor.setAttribute('download', name); | ||
| anchor.click(); | ||
| return true; | ||
| } catch (error, stack) { | ||
| LunaLogger().error('Failed to save to filesystem', error, stack); | ||
| rethrow; | ||
| } | ||
| } | ||
|
|
||
| @override | ||
| Future<LunaFile?> read(BuildContext context, List<String> extensions) async { | ||
| try { | ||
| final result = await FilePicker.platform.pickFiles(withData: true); | ||
|
|
||
| if (result?.files.isNotEmpty ?? false) { | ||
| String? _ext = result!.files[0].extension; | ||
| if (LunaFileSystem.isValidExtension(extensions, _ext)) { | ||
| return LunaFile( | ||
| name: result.files[0].name, | ||
| data: result.files[0].bytes!, | ||
| ); | ||
| } else { | ||
| showLunaErrorSnackBar( | ||
| title: 'lunasea.InvalidFileTypeSelected'.tr(), | ||
| message: extensions.map((s) => '.$s').join(', '), | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| return null; | ||
| } catch (error, stack) { | ||
| LunaLogger().error('Failed to read from filesystem', error, stack); | ||
| rethrow; | ||
| } | ||
| } | ||
| } |
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