public async Task <ActionResult> BuySecurities([FromBody] BuySecurity security)
{
var userId = User.FindFirstValue(ClaimTypes.NameIdentifier); //retuns the userId
security.UserId = Guid.Parse(userId);
security.SecurityId = Guid.NewGuid();
await busClient.PublishAsync(security);
return(Accepted($"BuySecurities/{security.SecurityId}"));
}
public async Task BuySecurityAsync(BuySecurity security)
{
if (security == null)
{
throw new CustomException("empty_security", $"Security is empty.");
}
var portfolio = await repository.FindAsync(p => p.UserId.Equals(security.UserId) && p.PortfolioId.Equals(security.PortfolioId));
if (portfolio == null)
{
throw new CustomException("portfolio_not_found", $"Portfolio not found for user: {security.UserId}");
}
var securityEntity = portfolio.Securities.FirstOrDefault(i => i.Symbol.Equals(security.Symbol));
if (securityEntity != null)
{
securityEntity.AverageValue = CalculateAverageValue(securityEntity.Quantity, securityEntity.AverageValue,
security.Quantity, security.CurrentValue);
securityEntity.Quantity += security.Quantity;
}
else
{
securityEntity = new Security
{
Name = security.Name,
Symbol = security.Symbol,
CurrentValue = security.CurrentValue,
AverageValue = security.CurrentValue,
Quantity = security.Quantity,
};
}
portfolio.Securities.Add(securityEntity);
var saved = await repository.SaveAsync();
if (!saved)
{
throw new CustomException("problem_buying_securities", $"Could not buy the security: {security.Symbol}.");
}
}