fun readChildrenBlocks(currentPath: Path): List<DataBlock>? {
    val files = currentPath.toFile().listFiles()
    val dataBlocks = if (currentPath.hasChildren() && files != null) {
        val handledFiles = files.filter { file ->
            file != null && file.isFile && file.name.endsWith(".json")
        }.sortedBy { it.name.split('_').first().toInt() }
        val list = ArrayList<DataBlock>()
        for (file in handledFiles) {
            val read = file.readText()
            val block = NotionClient.defaultJsonSerializer.toBlock(read)
            val dataBlock = if (block is ImageBlock){
                ImageDataBlock(block, currentPath)
            }else{
                DataBlock(block, currentPath)
            }
            list.add(dataBlock)
        }
        list
    } else null
    return dataBlocks
}