/// <summary>
/// 추가금을 합한 총액을 원하는 비중에 따른 분배
/// </summary>
/// <param name="before"></param>
/// <param name="additional"></param>
/// <returns></returns>
private static List <ReblancingItemReq> SetByWeight(List <ReblancingItemReq> before, decimal additional)
{
List <ReblancingItemReq> result = new List <ReblancingItemReq>();
decimal originalSum = 0;
decimal weightSum = 0;
// 총 합 구함 + additionalMoney
if (before?.Any() ?? false)
{
originalSum = SumPriceQty(before) + additional;
weightSum = SumWeight(before);
// 나머지 내림 분배
foreach (ReblancingItemReq entity in before)
{
if (entity != null)
{
ReblancingItemReq one = new ReblancingItemReq();
one.Name = entity.Name;
one.CurrentPrice = entity.CurrentPrice;
one.TargetWeight = entity.TargetWeight;
if (entity.TargetWeight != 0 && entity.CurrentPrice != 0)
{
one.CurrentQty = (int)Math.Floor((originalSum * entity.TargetWeight / weightSum) / one.CurrentPrice);
result.Add(one);
}
}
}
}
return(result);
}
/// <summary>
/// 나머지 금액을 내림차순으로 최대한 분배
/// </summary>
/// <param name="before"></param>
/// <param name="rest"></param>
/// <returns></returns>
private static List <ReblancingItemReq> SetByRest(List <ReblancingItemReq> before, decimal rest, RestOptionTypes restOptionType)
{
List <ReblancingItemReq> result = new List <ReblancingItemReq>();
switch (restOptionType)
{
case RestOptionTypes.Unknown:
case RestOptionTypes.MinRest:
{
// 큰 가격순 정렬
if (before?.Any() ?? false)
{
before = before.OrderByDescending(x => x.CurrentPrice).ToList();
foreach (ReblancingItemReq entity in before)
{
ReblancingItemReq one = new ReblancingItemReq();
one.Name = entity.Name;
one.CurrentPrice = entity.CurrentPrice;
one.TargetWeight = entity.TargetWeight;
if (entity.CurrentPrice < rest)
{
int plusQty = (int)(rest / entity.CurrentPrice);
one.CurrentQty = entity.CurrentQty + plusQty;
rest = rest - (entity.CurrentPrice * plusQty);
}
else
{
one.CurrentQty = entity.CurrentQty;
}
result.Add(one);
}
}
}
break;
}
return(result);
}
