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| 1 | +part of flutter_parse_sdk; |
| 2 | + |
| 3 | +class ParseXFile extends ParseFileBase { |
| 4 | + /// Creates a new file base XFile |
| 5 | + /// |
| 6 | + /// {https://docs.parseplatform.org/rest/guide/#files/} |
| 7 | + ParseXFile(this.file, |
| 8 | + {String? name, |
| 9 | + String? url, |
| 10 | + bool? debug, |
| 11 | + ParseClient? client, |
| 12 | + bool? autoSendSessionId}) |
| 13 | + : super( |
| 14 | + name: file != null ? path.basename(file.path) : name!, |
| 15 | + url: url, |
| 16 | + debug: debug, |
| 17 | + client: client, |
| 18 | + autoSendSessionId: autoSendSessionId, |
| 19 | + ); |
| 20 | + |
| 21 | + XFile? file; |
| 22 | + CancelToken? _cancelToken; |
| 23 | + ProgressCallback? _progressCallback; |
| 24 | + |
| 25 | + Future<ParseXFile> loadStorage() async { |
| 26 | + // Web not need load storage. |
| 27 | + if (parseIsWeb) { |
| 28 | + return this; |
| 29 | + } |
| 30 | + |
| 31 | + final XFile possibleFile = XFile('${ParseCoreData().fileDirectory}/$name'); |
| 32 | + // ignore: avoid_slow_async_io |
| 33 | + final bool exists = await File(possibleFile.path).exists(); |
| 34 | + |
| 35 | + if (exists) { |
| 36 | + file = possibleFile; |
| 37 | + } else { |
| 38 | + file = null; |
| 39 | + } |
| 40 | + |
| 41 | + return this; |
| 42 | + } |
| 43 | + |
| 44 | + @override |
| 45 | + Future<ParseXFile> download({ProgressCallback? progressCallback}) async { |
| 46 | + if (url == null) { |
| 47 | + return this; |
| 48 | + } |
| 49 | + |
| 50 | + progressCallback ??= _progressCallback; |
| 51 | + |
| 52 | + _cancelToken = CancelToken(); |
| 53 | + |
| 54 | + if (parseIsWeb) { |
| 55 | + final ParseNetworkByteResponse response = await _client.getBytes( |
| 56 | + url!, |
| 57 | + onReceiveProgress: progressCallback, |
| 58 | + cancelToken: _cancelToken, |
| 59 | + ); |
| 60 | + |
| 61 | + if (response.bytes != null) { |
| 62 | + file = XFile.fromData(response.bytes as Uint8List); |
| 63 | + } |
| 64 | + } else { |
| 65 | + file = XFile('${ParseCoreData().fileDirectory}/$name'); |
| 66 | + await File(file!.path).create(); |
| 67 | + |
| 68 | + final ParseNetworkByteResponse response = await _client.getBytes( |
| 69 | + url!, |
| 70 | + onReceiveProgress: progressCallback, |
| 71 | + cancelToken: _cancelToken, |
| 72 | + ); |
| 73 | + await File(file!.path).writeAsBytes(response.bytes!); |
| 74 | + } |
| 75 | + |
| 76 | + return this; |
| 77 | + } |
| 78 | + |
| 79 | + /// Uploads a file to Parse Server |
| 80 | + @override |
| 81 | + Future<ParseResponse> upload({ProgressCallback? progressCallback}) async { |
| 82 | + if (saved) { |
| 83 | + //Creates a Fake Response to return the correct result |
| 84 | + final Map<String, String> response = <String, String>{ |
| 85 | + 'url': url!, |
| 86 | + 'name': name |
| 87 | + }; |
| 88 | + return handleResponse<ParseXFile>( |
| 89 | + this, |
| 90 | + ParseNetworkResponse(data: json.encode(response), statusCode: 201), |
| 91 | + ParseApiRQ.upload, |
| 92 | + _debug, |
| 93 | + parseClassName); |
| 94 | + } |
| 95 | + |
| 96 | + progressCallback ??= _progressCallback; |
| 97 | + |
| 98 | + _cancelToken = CancelToken(); |
| 99 | + Map<String, String> headers; |
| 100 | + if (parseIsWeb) { |
| 101 | + headers = <String, String>{ |
| 102 | + HttpHeaders.contentTypeHeader: file?.mimeType ?? |
| 103 | + lookupMimeType(url ?? file?.name ?? name, |
| 104 | + headerBytes: await file?.readAsBytes()) ?? |
| 105 | + 'application/octet-stream', |
| 106 | + }; |
| 107 | + } else { |
| 108 | + headers = <String, String>{ |
| 109 | + HttpHeaders.contentTypeHeader: file?.mimeType ?? |
| 110 | + lookupMimeType(file!.path) ?? |
| 111 | + 'application/octet-stream', |
| 112 | + HttpHeaders.contentLengthHeader: '${await file!.length()}', |
| 113 | + }; |
| 114 | + } |
| 115 | + |
| 116 | + try { |
| 117 | + final String uri = ParseCoreData().serverUrl + _path; |
| 118 | + |
| 119 | + Stream<List<int>>? data; |
| 120 | + if (parseIsWeb) { |
| 121 | + data = Stream<List<int>>.fromIterable( |
| 122 | + <List<int>>[await file!.readAsBytes()]); |
| 123 | + } else { |
| 124 | + data = file!.openRead(); |
| 125 | + } |
| 126 | + |
| 127 | + final ParseNetworkResponse response = await _client.postBytes( |
| 128 | + uri, |
| 129 | + options: ParseNetworkOptions(headers: headers), |
| 130 | + data: data, |
| 131 | + onSendProgress: progressCallback, |
| 132 | + cancelToken: _cancelToken, |
| 133 | + ); |
| 134 | + if (response.statusCode == 201) { |
| 135 | + final Map<String, dynamic> map = json.decode(response.data); |
| 136 | + url = map['url'].toString(); |
| 137 | + name = map['name'].toString(); |
| 138 | + } |
| 139 | + return handleResponse<ParseXFile>( |
| 140 | + this, response, ParseApiRQ.upload, _debug, parseClassName); |
| 141 | + } on Exception catch (e) { |
| 142 | + return handleException(e, ParseApiRQ.upload, _debug, parseClassName); |
| 143 | + } |
| 144 | + } |
| 145 | + |
| 146 | + /// Cancels the current request (upload or download of file). |
| 147 | + @override |
| 148 | + void cancel([dynamic reason]) { |
| 149 | + _cancelToken?.cancel(reason); |
| 150 | + _cancelToken = null; |
| 151 | + } |
| 152 | + |
| 153 | + /// Add Progress Callback |
| 154 | + @override |
| 155 | + void progressCallback(ProgressCallback progressCallback) { |
| 156 | + _progressCallback = progressCallback; |
| 157 | + } |
| 158 | +} |
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