#kkd

Extensions.kt

suspend fun HttpClient.downloadFile(file: File, url: String, callback: suspend (boolean: Boolean) -> Unit) {
    val response = call {
        url(url)
        method = HttpMethod.Get
    }.response
    val data = ByteArray(response.contentLength()!!.toInt())
    var offset = 0
    do {
        val currentRead = response.content.readAvailable(data, offset, data.size)
        offset += currentRead
        val progress = (offset.toFloat() * 100f / data.size.toFloat()).roundToInt()
    } while (currentRead > 0)
    response.close()
    if (!response.status.isSuccess()) {
        callback(false)
    }
    file.writeBytes(data)
    callback(true)
}