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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| 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:dio/dio.dart'; | ||
|
|
||
| /// 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 | ||
|
|
||
| SaveToFileSystemAction({ | ||
| required this.fileName, | ||
| this.blobData, | ||
| this.source, | ||
| }); | ||
|
|
||
| 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'], | ||
| ); | ||
| } | ||
|
|
||
| @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) | ||
| Dio dio = Dio(); | ||
| var response = await dio.get(source!, | ||
| options: Options(responseType: ResponseType.bytes)); | ||
| fileBytes = Uint8List.fromList(response.data); | ||
| } else { | ||
| throw Exception('Missing blobData and source.'); | ||
| } | ||
|
|
||
| // Determine file type based on file extension | ||
| final fileExtension = fileName!.split('.').last.toLowerCase(); | ||
| if (['jpg', 'jpeg', 'png', 'gif', 'bmp'].contains(fileExtension)) { | ||
| // Save images to DCIM/Pictures | ||
| await _saveImageToDCIM(fileName!, fileBytes!); | ||
| } else { | ||
| // Save documents to Documents folder | ||
| await _saveDocumentToDocumentsFolder(fileName!, fileBytes!); | ||
| } | ||
| } catch (e) { | ||
| print('Error saving file: $e'); | ||
| throw Exception('Failed to save file: $e'); | ||
| } | ||
| } | ||
|
|
||
| /// Save images to DCIM/Pictures folder | ||
| Future<void> _saveImageToDCIM(String fileName, Uint8List fileBytes) async { | ||
| try { | ||
| // Get DCIM directory | ||
| final directory = Directory('/storage/emulated/0/DCIM/Pictures'); | ||
| if (!await directory.exists()) { | ||
| await directory.create(recursive: true); | ||
| } | ||
|
|
||
| // Save file | ||
| final filePath = '${directory.path}/$fileName'; | ||
| final file = File(filePath); | ||
| await file.writeAsBytes(fileBytes); | ||
|
|
||
| print('Image saved to DCIM/Pictures: $filePath'); | ||
| } catch (e) { | ||
| print('Error saving image to DCIM/Pictures: $e'); | ||
| throw Exception('Failed to save image: $e'); | ||
| } | ||
| } | ||
|
|
||
| /// Save documents to Documents folder | ||
| Future<void> _saveDocumentToDocumentsFolder( | ||
| String fileName, Uint8List fileBytes) async { | ||
| try { | ||
| // Get Documents directory | ||
| final directory = Directory('/storage/emulated/0/Documents'); | ||
| if (!await directory.exists()) { | ||
| await directory.create(recursive: true); | ||
| } | ||
|
|
||
| // Save file | ||
| final filePath = '${directory.path}/$fileName'; | ||
| final file = File(filePath); | ||
| await file.writeAsBytes(fileBytes); | ||
|
|
||
| print('Document saved to Documents folder: $filePath'); | ||
| } catch (e) { | ||
| print('Error saving document to Documents folder: $e'); | ||
| throw Exception('Failed to save document: $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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