post_enrollment_app/lib/pages/helpers/file_download_io.dart

53 lines
1.5 KiB
Dart

import 'dart:io';
import 'package:http/http.dart' as http;
import 'package:open_filex/open_filex.dart';
import 'package:path_provider/path_provider.dart';
import 'download_result.dart';
import 'file_download_common.dart';
Future<DownloadResult> downloadFileFromUrlImpl(
String url, {
String? fileName,
Map<String, String>? headers,
bool openAfterDownload = false,
}) async {
try {
final response = await http.get(Uri.parse(url), headers: headers);
if (response.statusCode != 200) {
return DownloadResult.failure(
'Download failed (${response.statusCode})',
);
}
final name = fileName ?? fileNameFromUrl(url);
final dir = await _resolveSaveDirectory();
final file = File('${dir.path}/$name');
await file.writeAsBytes(response.bodyBytes, flush: true);
if (openAfterDownload) {
await OpenFilex.open(file.path);
}
return DownloadResult.success(
savedPath: file.path,
message: openAfterDownload ? 'E-Card downloaded' : 'E-Card saved',
);
} catch (e) {
return DownloadResult.failure('Could not download file');
}
}
Future<Directory> _resolveSaveDirectory() async {
if (Platform.isAndroid) {
final downloads = await getDownloadsDirectory();
if (downloads != null) return downloads;
}
if (Platform.isIOS) {
return getApplicationDocumentsDirectory();
}
final downloads = await getDownloadsDirectory();
return downloads ?? await getApplicationDocumentsDirectory();
}