fromUrl static method

PixelBinImage? fromUrl(String urlString)

Implementation

static PixelBinImage? fromUrl(String urlString) {
  try {
    final url = Uri.parse(urlString);
    final components = url.pathSegments.where((c) => c.isNotEmpty).toList();
    if (components.length < 3) throw Exception("Invalid pixelbin url");

    final host = url.host;
    final version = components[0];
    final cloud = components[1];
    String? zone;
    String imagePath;
    List<TransformationData> transformation = [];
    bool worker = false;

    if (components[2] == "wrkr" ||
        components[2] == "original" ||
        components[2].hasTransformation()) {
      zone = null;
      imagePath = components.skip(3).join("/");
      worker = components[2] == "wrkr";
      transformation = components[2].hasTransformation()
          ? components[2].decodeTransformationData()
          : [];
    } else if (components.length > 3 &&
        (components[3] == "wrkr" ||
            components[3] == "original" ||
            components[3].hasTransformation())) {
      zone = components[2];
      imagePath = components.skip(4).join("/");
      worker = components[3] == "wrkr";
      transformation = components[3].hasTransformation()
          ? components[3].decodeTransformationData()
          : [];
    } else {
      throw Exception("Invalid pixelbin url");
    }

    return PixelBinImage(
      imagePath: imagePath,
      cloudName: cloud,
      zone: zone,
      worker: worker,
      transformations: transformation,
      host: host,
      version: version,
    );
  } catch (e) {
    print("Error parsing URL: $e");
    return null;
  }
}