getImageByHash method

Implementation

RequestAndParser<http.BaseResponse, ImageData?> getImageByHash(
    String link, String hash,
    {bool compressed = false}) {
  //debugPrint("hash: $hash");
  final rd = switch (kIsWeb) {
    true => RequestData('/login'),
    false => RequestData(
        _getImageFromHash_r,
        json: {
          'link': link,
          'hash': hash,
          'compressed': compressed,
        },
        returnsBinary: true,
      )
  };

  parser(http.BaseResponse _res) async {
    if (kIsWeb)
      return ImageData(
          Image(
              image: NetworkImage("$_baseurl/get/compressed/$hash",
                  headers: {HttpHeaders.authorizationHeader: _api_key})),
          id: hash);
    final res = _res.forceRes();
    if (res == null || res.statusCode ~/ 100 != 2)
      return null;
    else {
      try {
        await API().local.storeImage(res.bodyBytes, hash);
        return ImageData(
          (await API()
              .local
              .readImage(hash, cacheSize: compressed ? CACHESIZE : null))!,
          id: hash,
        );
      } catch (e) {
        //debugPrint("failed to load webimg: " + e.toString());
      }
    }
  }

  return RequestAndParser(rd: rd, parser: parser);
}