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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| part of flutter_parse_sdk; | ||
|
|
||
| class ParseXFile extends ParseFileBase { | ||
| /// Creates a new file base XFile | ||
| /// | ||
| /// {https://docs.parseplatform.org/rest/guide/#files/} | ||
| ParseXFile(this.file, | ||
| {String? name, | ||
| String? url, | ||
| bool? debug, | ||
| ParseClient? client, | ||
| bool? autoSendSessionId}) | ||
| : super( | ||
| name: file != null ? path.basename(file.path) : name!, | ||
| url: url, | ||
| debug: debug, | ||
| client: client, | ||
| autoSendSessionId: autoSendSessionId, | ||
| ); | ||
|
|
||
| XFile? file; | ||
| CancelToken? _cancelToken; | ||
| ProgressCallback? _progressCallback; | ||
|
|
||
| Future<ParseXFile> loadStorage() async { | ||
| // Web not need load storage. | ||
| if (parseIsWeb) { | ||
| return this; | ||
| } | ||
|
|
||
| final XFile possibleFile = XFile('${ParseCoreData().fileDirectory}/$name'); | ||
| // ignore: avoid_slow_async_io | ||
| final bool exists = await File(possibleFile.path).exists(); | ||
|
|
||
| if (exists) { | ||
| file = possibleFile; | ||
| } else { | ||
| file = null; | ||
| } | ||
|
|
||
| return this; | ||
| } | ||
|
|
||
| @override | ||
| Future<ParseXFile> download({ProgressCallback? progressCallback}) async { | ||
| if (url == null) { | ||
| return this; | ||
| } | ||
|
|
||
| progressCallback ??= _progressCallback; | ||
|
|
||
| _cancelToken = CancelToken(); | ||
|
|
||
| if (parseIsWeb) { | ||
| final ParseNetworkByteResponse response = await _client.getBytes( | ||
| url!, | ||
| onReceiveProgress: progressCallback, | ||
| cancelToken: _cancelToken, | ||
| ); | ||
|
|
||
| if (response.bytes != null) { | ||
| file = XFile.fromData(response.bytes as Uint8List); | ||
| } | ||
| } else { | ||
| file = XFile('${ParseCoreData().fileDirectory}/$name'); | ||
| await File(file!.path).create(); | ||
|
|
||
| final ParseNetworkByteResponse response = await _client.getBytes( | ||
| url!, | ||
| onReceiveProgress: progressCallback, | ||
| cancelToken: _cancelToken, | ||
| ); | ||
| await File(file!.path).writeAsBytes(response.bytes!); | ||
| } | ||
|
|
||
| return this; | ||
| } | ||
|
|
||
| /// Uploads a file to Parse Server | ||
| @override | ||
| Future<ParseResponse> upload({ProgressCallback? progressCallback}) async { | ||
| if (saved) { | ||
| //Creates a Fake Response to return the correct result | ||
| final Map<String, String> response = <String, String>{ | ||
| 'url': url!, | ||
| 'name': name | ||
| }; | ||
| return handleResponse<ParseXFile>( | ||
| this, | ||
| ParseNetworkResponse(data: json.encode(response), statusCode: 201), | ||
| ParseApiRQ.upload, | ||
| _debug, | ||
| parseClassName); | ||
| } | ||
|
|
||
| progressCallback ??= _progressCallback; | ||
|
|
||
| _cancelToken = CancelToken(); | ||
| Map<String, String> headers; | ||
| if (parseIsWeb) { | ||
| headers = <String, String>{ | ||
| HttpHeaders.contentTypeHeader: file?.mimeType ?? | ||
| lookupMimeType(url ?? file?.name ?? name, | ||
| headerBytes: await file?.readAsBytes()) ?? | ||
| 'application/octet-stream', | ||
| }; | ||
| } else { | ||
| headers = <String, String>{ | ||
| HttpHeaders.contentTypeHeader: file?.mimeType ?? | ||
| lookupMimeType(file!.path) ?? | ||
| 'application/octet-stream', | ||
| HttpHeaders.contentLengthHeader: '${await file!.length()}', | ||
| }; | ||
| } | ||
|
|
||
| try { | ||
| final String uri = ParseCoreData().serverUrl + _path; | ||
|
|
||
| Stream<List<int>>? data; | ||
| if (parseIsWeb) { | ||
| data = Stream<List<int>>.fromIterable( | ||
| <List<int>>[await file!.readAsBytes()]); | ||
| } else { | ||
| data = file!.openRead(); | ||
| } | ||
|
|
||
| final ParseNetworkResponse response = await _client.postBytes( | ||
| uri, | ||
| options: ParseNetworkOptions(headers: headers), | ||
| data: data, | ||
| onSendProgress: progressCallback, | ||
| cancelToken: _cancelToken, | ||
| ); | ||
| if (response.statusCode == 201) { | ||
| final Map<String, dynamic> map = json.decode(response.data); | ||
| url = map['url'].toString(); | ||
| name = map['name'].toString(); | ||
| } | ||
| return handleResponse<ParseXFile>( | ||
| this, response, ParseApiRQ.upload, _debug, parseClassName); | ||
| } on Exception catch (e) { | ||
| return handleException(e, ParseApiRQ.upload, _debug, parseClassName); | ||
| } | ||
| } | ||
|
|
||
| /// Cancels the current request (upload or download of file). | ||
| @override | ||
| void cancel([dynamic reason]) { | ||
| _cancelToken?.cancel(reason); | ||
| _cancelToken = null; | ||
| } | ||
|
|
||
| /// Add Progress Callback | ||
| @override | ||
| void progressCallback(ProgressCallback progressCallback) { | ||
| _progressCallback = progressCallback; | ||
| } | ||
| } |
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