Xinkle

fun Long.toReadableDate(
    format: String = "yyyy-MM-dd HH:mm",
    locale: Locale = Locale.KOREA
): String {
    return SimpleDateFormat(format, locale).format(Date(this))
}

Xinkle

/**
 * Sort collection with given order(list)
 */
class SortingWithGivenOrder<T>(
    private val selector: (T) -> String,
    private val orders: List<String>
) : Comparator<T> {
    constructor(selector: (T) -> String, vararg orders: String) : this(selector, orders.toList())

    private val ordersMap = HashMap<String, Int>().apply {

Xinkle

// Get current date with formatting
SimpleDateFormat("yyyyMMdd", Locale.KOREA).format(Calendar.getInstance().time)