65 lines
2.3 KiB
Dart
65 lines
2.3 KiB
Dart
import 'dart:io';
|
|
|
|
import 'package:dio/dio.dart';
|
|
import 'package:flutter_tesseract_ocr/flutter_tesseract_ocr.dart';
|
|
import 'package:prasule/main.dart';
|
|
|
|
class TessdataApi {
|
|
static final Dio _client = Dio(
|
|
BaseOptions(
|
|
validateStatus: (status) => true,
|
|
),
|
|
);
|
|
static Future<List<String>> getAvailableData() async {
|
|
var res = await _client.get(
|
|
"https://git.mnau.xyz/api/v1/repos/hernik/tessdata_best/contents",
|
|
options: Options(headers: {"Accept": "application/json"}));
|
|
if ((res.statusCode ?? 500) > 399) {
|
|
return Future.error("The server returned status code ${res.statusCode}");
|
|
}
|
|
var data = res.data;
|
|
final dataFiles = <String>[];
|
|
for (var file in data) {
|
|
if (!file["name"].endsWith(".traineddata")) continue;
|
|
dataFiles.add(file["name"].replaceAll(".traineddata", ""));
|
|
}
|
|
return dataFiles;
|
|
}
|
|
|
|
static Future<void> deleteData(String name) async {
|
|
var dataDir = Directory(await FlutterTesseractOcr.getTessdataPath());
|
|
var dataFile = File("${dataDir.path}/$name.traineddata");
|
|
if (!dataFile.existsSync()) return;
|
|
dataFile.deleteSync();
|
|
}
|
|
|
|
static Future<List<String>> getDownloadedData() async =>
|
|
Directory(await FlutterTesseractOcr.getTessdataPath())
|
|
.listSync()
|
|
.where((element) => element.path.endsWith(".traineddata"))
|
|
.map<String>((e) => e.path.split("/").last)
|
|
.toList();
|
|
|
|
static Future<void> downloadData(String isoCode,
|
|
{void Function(int, int)? callback}) async {
|
|
var file = File(
|
|
"${(await FlutterTesseractOcr.getTessdataPath())}/$isoCode.traineddata");
|
|
if (file.existsSync()) return; // TODO: maybe ask to redownload?
|
|
var res = await _client.get(
|
|
"https://git.mnau.xyz/hernik/tessdata_best/raw/branch/main/$isoCode.traineddata",
|
|
options: Options(responseType: ResponseType.bytes),
|
|
onReceiveProgress: callback);
|
|
if ((res.statusCode ?? 500) > 399) {
|
|
return Future.error("The server returned status code ${res.statusCode}");
|
|
}
|
|
try {
|
|
var writefile = file.openSync(mode: FileMode.write);
|
|
writefile.writeFromSync(res.data);
|
|
writefile.closeSync();
|
|
} catch (e) {
|
|
logger.e(e);
|
|
return Future.error("Could not complete writing file");
|
|
}
|
|
}
|
|
}
|