public void ExtendCoverage(DateTime effectiveDateOfChange, CoverPrice newCover)
{
if (Terminated())
{
throw new ApplicationException("Cannot annex terminated policy");
}
var versionAtDate = versions.EffectiveAt(effectiveDateOfChange);
if (versionAtDate == null || !versionAtDate.CoversDate(effectiveDateOfChange))
{
throw new ApplicationException("Policy does not cover annex date");
}
if (versionAtDate.ContainsCover(newCover.CoverCode))
{
throw new ApplicationException("This cover is already present");
}
var newVersionNumber = versions.Count + 1;
var versionPeriod = ValidityPeriod.Between(effectiveDateOfChange, versionAtDate.CoverPeriod.ValidTo);
var newCoverage = PolicyCover.ForPrice(newCover, versionPeriod);
ApplyChange
(
new CoverageExtendedPolicyVersionCreated
(
newVersionNumber,
versionAtDate.VersionNumber,
versionPeriod,
newCoverage
)
);
}
public static PolicyCover ForPrice(CoverPrice coverPrice, ValidityPeriod coverPeriod)
{
return(new PolicyCover
(
coverPrice.CoverCode,
coverPeriod,
new UnitPrice(coverPrice.Price, coverPrice.CoverPeriod)
));
}