package com.example.model
data class Order(
val id: String,
val userId: String,
val itemId: String,
val status: OrderStatus = OrderStatus.PENDING
) {
constructor(id: String, userId: String) : this(id, userId, "", OrderStatus.PENDING)
fun isPending(): Boolean = status == OrderStatus.PENDING
fun complete(): Order = copy(status = OrderStatus.COMPLETED)
companion object Factory {
fun create(userId: String, itemId: String): Order {
val id = "order-${System.currentTimeMillis()}"
return Order(id, userId, itemId)
}
}
}