/// <summary>
/// Constructor method injects the dependency of type TrowooDbContext, PortfolioService, SecurityService into the class upon instantiation.
/// </summary>
/// <param name="trowooDbContext">Database Context dependecy injection.</param>
/// <param name="portfolioService">PortfolioService class dependency injection.</param>
/// <param name="securityService">SecurityService class dependency injection.</param>
/// <remarks>
/// </remarks>
public PositionService(
TrowooDbContext trowooDbContext,
PortfolioService portfolioService,
SecurityService securityService
)
{
TrowooDbContext = trowooDbContext;
PortfolioService = portfolioService;
SecurityService = securityService;
}
/// <summary>
/// Creates a position for a security within a portfolio.
/// </summary>
/// <param name="position">Position object to add.</param>
/// <param name="portfolioId">Portfolio Id. An integer.</param>
/// <param name="securityId">Security Id. An integer.</param>
/// <returns>New Portfolio object.</returns>
/// <remarks>
/// <para>Uses Portfolio- and SecurityService classes to obtain respective entities.</para>
/// </remarks>
public Position Create(Position position, int portfolioId, int securityId)
{
var portfolio = PortfolioService.GetById(portfolioId);
var security = SecurityService.GetById(securityId);
position.Security = security;
TrowooDbContext.Positions.Add(position);
portfolio.Positions.Add(position);
TrowooDbContext.SaveChanges();
return(position);
}