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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| import 'package:ensemble/framework/action.dart'; | ||
| import 'package:ensemble/framework/scope.dart'; | ||
| import 'package:ensemble/util/utils.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter/services.dart'; | ||
| import 'package:ensemble_ts_interpreter/invokables/invokable.dart'; | ||
|
|
||
| class CloseAppAction extends EnsembleAction { | ||
| CloseAppAction({ | ||
| super.initiator, | ||
| }); | ||
|
|
||
| factory CloseAppAction.from({Invokable? initiator, Map? payload}) { | ||
| return CloseAppAction( | ||
| initiator: initiator, | ||
| ); | ||
| } | ||
|
|
||
| @override | ||
| Future execute(BuildContext context, ScopeManager scopeManager) { | ||
| SystemNavigator.pop(); | ||
| return Future.value(null); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,177 @@ | ||
| import 'dart:convert'; | ||
| import 'dart:typed_data'; | ||
| import 'dart:io'; | ||
|
|
||
| import 'package:ensemble/framework/action.dart'; | ||
| import 'package:ensemble/framework/scope.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:image_gallery_saver/image_gallery_saver.dart'; | ||
| import 'package:path_provider/path_provider.dart'; | ||
| import 'package:ensemble/framework/error_handling.dart'; | ||
| import 'package:flutter/foundation.dart'; | ||
| import 'package:http/http.dart' as http; | ||
| import 'dart:html' as html; | ||
|
|
||
| /// Custom action to save files (images and documents) in platform-specific accessible directories | ||
| class SaveToFileSystemAction extends EnsembleAction { | ||
| final String? fileName; | ||
| final dynamic blobData; | ||
| final String? source; // Optional source for URL if blobData is not available | ||
| final String? type; // file type | ||
|
|
||
| SaveToFileSystemAction({ | ||
| required this.fileName, | ||
| this.blobData, | ||
| this.source, | ||
| this.type, | ||
| }); | ||
|
|
||
| factory SaveToFileSystemAction.from({Map? payload}) { | ||
| if (payload == null || payload['fileName'] == null) { | ||
| throw LanguageError('${ActionType.saveFile.name} requires fileName.'); | ||
| } | ||
|
|
||
| return SaveToFileSystemAction( | ||
| fileName: payload['fileName'], | ||
| blobData: payload['blobData'], | ||
| source: payload['source'], | ||
| type: payload['type'], | ||
| ); | ||
| } | ||
|
|
||
| @override | ||
| Future<void> execute(BuildContext context, ScopeManager scopeManager) async { | ||
| try { | ||
| if (fileName == null) { | ||
| throw Exception('Missing required parameter: fileName.'); | ||
| } | ||
|
|
||
| Uint8List? fileBytes; | ||
|
|
||
| // If blobData is provided, process it | ||
| if (blobData != null) { | ||
| // Handle base64 blob or binary data | ||
| if (blobData is String) { | ||
| fileBytes = base64Decode(blobData); // Decode base64 | ||
| } else if (blobData is List<int>) { | ||
| fileBytes = Uint8List.fromList(blobData); | ||
| } else { | ||
| throw Exception( | ||
| 'Invalid blob data format. Must be base64 or List<int>.'); | ||
| } | ||
| } else if (source != null) { | ||
| // If blobData is not available, check for source (network URL) | ||
| final response = await http.get(Uri.parse(source!)); | ||
| if (response.statusCode == 200) { | ||
| fileBytes = Uint8List.fromList(response.bodyBytes); | ||
| } else { | ||
| throw Exception( | ||
| 'Failed to download file: HTTP ${response.statusCode}'); | ||
| } | ||
| } else { | ||
| throw Exception('Missing blobData and source.'); | ||
| } | ||
|
|
||
| if (type == 'image') { | ||
| // Save images to Default Image Path | ||
| await _saveImageToDCIM(fileName!, fileBytes); | ||
| } else if (type == 'document') { | ||
| // Save documents to Documents folder | ||
| await _saveDocumentToDocumentsFolder(fileName!, fileBytes); | ||
| } | ||
| } catch (e) { | ||
| throw Exception('Failed to save file: $e'); | ||
| } | ||
| } | ||
|
|
||
| Future<void> _saveImageToDCIM(String fileName, Uint8List fileBytes) async { | ||
| try { | ||
| if (kIsWeb) { | ||
| _downloadFileOnWeb(fileName, fileBytes); | ||
| } else { | ||
| final result = await ImageGallerySaver.saveImage( | ||
| fileBytes, | ||
| name: fileName, | ||
| ); | ||
| if (result['isSuccess']) { | ||
| debugPrint('Image saved to gallery: $result'); | ||
| } else { | ||
| throw Exception('Failed to save image to gallery.'); | ||
| } | ||
| } | ||
| } catch (e) { | ||
| throw Exception('Failed to save image: $e'); | ||
| } | ||
| } | ||
|
|
||
| /// Save documents to the default "Documents" directory | ||
| Future<void> _saveDocumentToDocumentsFolder( | ||
| String fileName, Uint8List fileBytes) async { | ||
| try { | ||
| String filePath; | ||
|
|
||
| if (Platform.isAndroid) { | ||
| // Get the default "Documents" directory on Android | ||
| Directory? directory = Directory('/storage/emulated/0/Documents'); | ||
| if (!directory.existsSync()) { | ||
| directory.createSync( | ||
| recursive: true); // Create the directory if it doesn't exist | ||
| } | ||
| filePath = '${directory.path}/$fileName'; | ||
| } else if (Platform.isIOS) { | ||
| // On iOS, use the app-specific Documents directory | ||
| final directory = await getApplicationDocumentsDirectory(); | ||
| filePath = '${directory.path}/$fileName'; | ||
|
|
||
| // Optionally, use a share intent to let users save the file to their desired location | ||
| } else if (kIsWeb) { | ||
| _downloadFileOnWeb(fileName, fileBytes); | ||
| return; | ||
| } else { | ||
| throw UnsupportedError('Platform not supported'); | ||
| } | ||
|
|
||
| // Write the file to the determined path | ||
| final file = File(filePath); | ||
| await file.writeAsBytes(fileBytes); | ||
|
|
||
| debugPrint('Document saved to: $filePath'); | ||
| } catch (e) { | ||
| throw Exception('Failed to save document: $e'); | ||
| } | ||
| } | ||
|
|
||
| Future<void> _downloadFileOnWeb(String fileName, Uint8List fileBytes) async { | ||
| try { | ||
| // Convert Uint8List to a Blob | ||
| final blob = html.Blob([fileBytes]); | ||
|
|
||
| // Create an object URL for the Blob | ||
| final url = html.Url.createObjectUrlFromBlob(blob); | ||
|
|
||
| // Create a download anchor element | ||
| final anchor = html.AnchorElement(href: url) | ||
| ..target = 'blank' // Open in a new tab if needed | ||
| ..download = fileName; // Set the download file name | ||
|
|
||
| // Trigger the download | ||
| anchor.click(); | ||
|
|
||
| // Revoke the object URL to free resources | ||
| html.Url.revokeObjectUrl(url); | ||
|
|
||
| debugPrint('File downloaded: $fileName'); | ||
| } catch (e) { | ||
| throw Exception('Failed to download file: $e'); | ||
| } | ||
| } | ||
|
|
||
| /// Factory method to construct the action from JSON | ||
| static SaveToFileSystemAction fromJson(Map<String, dynamic> json) { | ||
| return SaveToFileSystemAction( | ||
| fileName: json['fileName'], | ||
| blobData: json['blobData'], | ||
| source: json['source'], | ||
| ); | ||
| } | ||
| } |
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