public Task <IVoidResult> DenyAccess(Guid accessPointId, IAccessManagementStrategy strategy)
{
Contract.Requires(accessPointId != Guid.Empty);
Contract.Requires(strategy != null);
Contract.Ensures(Contract.Result <Task <IVoidResult> >() != null);
return(null);
}
/// <summary>
/// Allows access for the specified access point.
/// </summary>
/// <param name="accessPointId">The access point identifier.</param>
/// <param name="strategy">The strategy.</param>
/// <returns></returns>
public async Task <IVoidResult> AllowAccess(Guid accessPointId, IAccessManagementStrategy strategy)
{
var errorMessage = await strategy.ValidateRequest();
if (errorMessage != null)
{
return(new VoidResult(errorMessage));
}
var accessPoint = _databaseContext.AccessPoints.GetById(accessPointId);
if (accessPoint == null)
{
return(new VoidResult($"Access point {accessPointId} is not registered."));
}
var accessRights = strategy.FindAccessRights() ?? strategy.CreateAccessRights();
var rule = strategy.FindAccessRule(accessRights, accessPoint);
if (rule == null)
{
rule = strategy.CreateAccessRule();
rule.AccessPoint = accessPoint;
accessRights.AddAccessRule(rule);
}
else
{
if (!strategy.UpdateAccessRule(rule))
{
return(new VoidResult());
}
}
if (accessRights.Id == 0)
{
_databaseContext.AccessRights.Insert(accessRights);
}
else
{
_databaseContext.AccessRights.Update(accessRights);
}
_databaseContext.Commit();
await strategy.OnAccessGranted(_bus, accessPoint);
return(new VoidResult());
}
/// <summary>
/// Denies access for the specified access point..
/// </summary>
/// <param name="accessPointId">The access point identifier.</param>
/// <param name="strategy">The strategy.</param>
/// <returns></returns>
public async Task <IVoidResult> DenyAccess(Guid accessPointId, IAccessManagementStrategy strategy)
{
var errorMessage = await strategy.ValidateRequest();
if (errorMessage != null)
{
return(new VoidResult(errorMessage));
}
var accessRights = strategy.FindAccessRights();
if (accessRights == null)
{
return(new VoidResult());
}
var accessPoint = _databaseContext.AccessPoints.GetById(accessPointId);
if (accessPoint == null)
{
return(new VoidResult($"Access point {accessPointId} is not registered."));
}
var accessRule = strategy.FindAccessRule(accessRights, accessPoint);
if (accessRule == null)
{
return(new VoidResult());
}
accessRights.RemoveAccessRule(accessRule);
if (accessRights.AccessRules.Any())
{
_databaseContext.AccessRights.Update(accessRights);
}
else
{
_databaseContext.AccessRights.Delete(accessRights);
}
_databaseContext.Commit();
await strategy.OnAccessDenied(_bus, accessPoint);
return(new VoidResult());
}