/// <summary>
/// Initializes a new instance of the <see cref="PermissionCalculator{TIdentity}" /> class.
/// </summary>
/// <param name="membershipProvider">The membership provider.</param>
/// <param name="orderedPermissionProvider">The ordered permissions provider.</param>
public PermissionCalculator(
IMembershipProvider <TIdentity> membershipProvider,
IOrderedPermissionProvider <TIdentity> orderedPermissionProvider)
{
_membershipProvider = membershipProvider;
_orderedPermissionProvider = orderedPermissionProvider;
}
/// <summary>
/// Gets the permissions.
/// </summary>
/// <param name="protectedObject">The protected object.</param>
/// <param name="protectedObjectMembership">The protected object membership.</param>
/// <param name="orderedPermissionProvider">The ordered permission provider.</param>
/// <param name="context">The context.</param>
/// <returns></returns>
internal static List <IPermission <TIdentity> > GetPermissions(
TIdentity protectedObject,
IObjectIdentity <TIdentity>[][] protectedObjectMembership,
IOrderedPermissionProvider <TIdentity> orderedPermissionProvider,
PermissionsCalculationContext <TIdentity> context)
{
if (context == null)
{
return(orderedPermissionProvider.GetOrderedPermissions(protectedObjectMembership).ToList());
}
if (context._permissionCache.TryGetValue(protectedObject, out List <IPermission <TIdentity> > result))
{
return(result);
}
result = orderedPermissionProvider.GetOrderedPermissions(protectedObjectMembership).ToList();
context._permissionCache.Add(protectedObject, result);
return(result);
}
