59 lines
1.3 KiB
Dart
59 lines
1.3 KiB
Dart
import 'dart:async';
|
|
import 'dart:convert';
|
|
import 'dart:io';
|
|
|
|
import '../data/models/models.dart';
|
|
//import 'package:built_redux_sample/models/serializers.dart';
|
|
|
|
/// Loads and saves a List of Products using a text file stored on the device.
|
|
class FileStorage {
|
|
final String tag;
|
|
final Future<Directory> Function() getDirectory;
|
|
|
|
const FileStorage(
|
|
this.tag,
|
|
this.getDirectory,
|
|
);
|
|
|
|
/// LoadProducts
|
|
Future<List<ProductEntity>> loadProducts() async {
|
|
final file = await _getLocalFile();
|
|
final contents = await file.readAsString();
|
|
|
|
print('LOADING PRODUCTS FROM FILE...');
|
|
/*
|
|
return serializers
|
|
.deserializeWith(AppState.serializer, json.decode(contents))
|
|
.products
|
|
.toList();
|
|
*/
|
|
}
|
|
|
|
Future<File> saveProducts(List<ProductEntity> products) async {
|
|
final file = await _getLocalFile();
|
|
|
|
/*
|
|
return file.writeAsString(
|
|
json.encode(
|
|
serializers.serializeWith(
|
|
AppState.serializer,
|
|
AppState.fromProducts(products),
|
|
),
|
|
),
|
|
);
|
|
*/
|
|
}
|
|
|
|
Future<File> _getLocalFile() async {
|
|
final dir = await getDirectory();
|
|
|
|
return File('${dir.path}/invoiceninja__$tag.json');
|
|
}
|
|
|
|
Future<FileSystemEntity> clean() async {
|
|
final file = await _getLocalFile();
|
|
|
|
return file.delete();
|
|
}
|
|
}
|