public async Task <Domain.Models.Trade> AddAsync(Domain.Models.Trade trade, Domain.Models.Portfolio portfolio)
{
if (trade.Id != 0)
{
throw new ArgumentException("Trade already exists.");
}
using var context = new mmpproject2Context(_contextOptions);
var dbPortfolio = await context.Portfolios
.Include(p => p.Trades)
.FirstAsync(p => p.Id == portfolio.Id);
var newTrade = Mapper.MapTrade(trade);
dbPortfolio.Trades.Add(newTrade);
context.Trades.Add(newTrade);
await context.SaveChangesAsync();
var created = await context.Trades
.Include(t => t.Stock)
.FirstAsync(t => t.Id == newTrade.Id);
return(Mapper.MapTrade(created));
}
/// <summary>
/// Maps a business domain trade to an EntityFramework model
/// </summary>
/// <param name="trade">The business domain trade object</param>
/// <returns>The trade DataAccess object</returns>
public static Models.Trade MapTrade(Domain.Models.Trade trade)
{
return(new Models.Trade {
Id = trade.Id,
StockId = trade.Stock.Id,
Quantity = trade.Quantity,
Price = trade.Price,
TimeTraded = trade.Time
});
}
public async Task UpdateAsync(Domain.Models.Trade trade)
{
using var context = new mmpproject2Context(_contextOptions);
var current = await context.Trades.FirstAsync(t => t.Id == trade.Id);
var updated = Mapper.MapTrade(trade);
updated.PortfolioId = current.PortfolioId;
context.Entry(current).CurrentValues.SetValues(updated);
await context.SaveChangesAsync();
}
