public bool DoesUserHaveCapability <TCapability, TEntity>(TCapability capability, IIdentity <TEntity> identity)
where TEntity : IEntity
where TCapability : struct, Enum
{
var user = userReader.GetCurrentCapabilityUser();
var actualCapabilities = capabilitiesProvider.GetCapabilities <TEntity, TCapability>(user, identity);
var requiredList = capability.GetBase2FlagValues().ToList();
var actualList = actualCapabilities.GetBase2FlagValues().ToList();
var result = requiredList.Intersect(actualList).Count() == requiredList.Count();
return(result);
}
public void AssertUserHasCapability(IIdentity <User> user, IIdentity <TEntity> targetEntity, TCapability requiredCapability)
{
// Once https://github.com/csf-dev/CSF.Utils/issues/127 is resolved, convert this to an extension method call.
EnumFlagsExtensions.AssertIsFlagsEnum(typeof(TCapability));
var actualCapability = capabilitiesProvider.GetCapabilities(user, targetEntity);
var requiredList = requiredCapability.GetBase2FlagValues().ToList();
var actualList = actualCapability.GetBase2FlagValues().ToList();
if (requiredList.Intersect(actualList).Count() == requiredList.Count())
{
return;
}
var message = $@"The user {user} must have the capability {requiredCapability} for {targetEntity},
but their actual capabilities were {(Equals(actualCapability,default(TCapability))? "<none>" : actualCapability.ToString())}.";
throw new UserMustHaveCapabilityException(message,
user,
targetEntity,
requiredCapability.ToString(),
actualCapability.ToString());
}