public Task AddMemberBuyStockAsync(string memberEmail, CountryKind country, string stockID, decimal buyPrice, decimal N, BuySellStrategyType strategy, DateTime buyDate)
{
IMemberBuyStock memberBuyStock = new MemberBuyStock(memberEmail, country, stockID, buyPrice, N, buyPrice - (2 * N), StockBuyState.Buy, strategy, buyDate);
MemberBuyStockTable.Add(memberBuyStock);
return(Task.CompletedTask);
}
public Task UpdateMemberBuyStockAsync(string memberEmail, CountryKind country, string stockId, decimal stopPrice, StockBuyState newState)
{
IMemberBuyStock memberStock = MemberBuyStockTable.Find(a => string.Equals(a.MemberEmail, memberEmail, StringComparison.OrdinalIgnoreCase) && a.Country == country);
if (memberStock != null && memberStock is MemberBuyStock mStock)
{
mStock.StopPrice = stopPrice;
mStock.State = newState;
}
return(Task.CompletedTask);
}
public Task SetMemberBuyStockBuyStateAsync(string memberEmail, CountryKind country, string stockID, StockBuyState buyState)
{
IMemberBuyStock stock = MemberBuyStockTable.FirstOrDefault(a => string.Equals(a.MemberEmail, memberEmail, StringComparison.OrdinalIgnoreCase) &&
a.Country == country &&
string.Equals(a.StockId, stockID, StringComparison.OrdinalIgnoreCase));
if (!(stock is MemberBuyStock target))
{
return(Task.CompletedTask);
}
target.State = buyState;
return(Task.CompletedTask);
}
public Task DeleteMemberBuyStockAsync(string memberEmail, CountryKind country, string stockId)
{
IEnumerable <IMemberBuyStock> items = MemberBuyStockTable.Where(a => string.Equals(a.MemberEmail, memberEmail, StringComparison.OrdinalIgnoreCase) &&
a.Country == country &&
string.Equals(a.StockId, stockId, StringComparison.OrdinalIgnoreCase));
if (!items.Any())
{
return(Task.CompletedTask);
}
foreach (IMemberBuyStock item in items)
{
MemberBuyStockTable.Remove(item);
}
return(Task.CompletedTask);
}
public Task <IReadOnlyList <IMemberBuyStock> > GetMemberBuyStocksAsync(CountryKind country, StockBuyState state)
{
return(Task.FromResult <IReadOnlyList <IMemberBuyStock> >(MemberBuyStockTable.Where(a => a.Country == country && a.State == state).ToList()));
}
public Task <IReadOnlyList <IMemberBuyStock> > GetMemberBuyStocksAsync(string memberEmail)
{
return(Task.FromResult <IReadOnlyList <IMemberBuyStock> >(MemberBuyStockTable.Where(a => string.Equals(a.MemberEmail, memberEmail, StringComparison.OrdinalIgnoreCase)).ToList()));
}
