/// <summary>
/// Handles a single added permissable entity by adding it as a cam resource.
/// </summary>
/// <param name="addedEntity">The added entity.</param>
public async Task <AddedPermissableEntityResult> OnAddedAsync(IPermissable addedEntity)
{
Contract.Requires(addedEntity != null, "The added entity must not be null.");
if (addedEntity.IsExempt())
{
logger.Info("Permissable entity with id [{0]} and permissable type [{1}] was exempt from cam.", addedEntity.GetId(), addedEntity.GetPermissableType());
return(null);
}
else
{
var resourceTypeName = ResourceType.GetStaticLookup(addedEntity.GetPermissableType().GetResourceTypeId());
Contract.Assert(resourceTypeName != null, "The resource type should be recognized.");
var resourceTypePermissions = await GetResourcePermissionsAsync(resourceTypeName.Value, null);
var roles = await CreateGetAllRolesQuery().ToListAsync();
var existingResource = await ResourceQueries.CreateGetResourceByForeignResourceIdQuery(this.Context, addedEntity.GetId(), addedEntity.GetPermissableType().GetResourceTypeId())
.FirstOrDefaultAsync();
Resource parentResource = null;
if (addedEntity.GetParentId().HasValue)
{
parentResource = await ResourceQueries.CreateGetResourceByForeignResourceIdQuery(
this.Context,
addedEntity.GetParentId().Value,
addedEntity.GetParentPermissableType().GetResourceTypeId())
.FirstOrDefaultAsync();
}
var addedPermissableEntityResult = DoOnAdded(addedEntity: addedEntity,
existingResource: existingResource,
parentResource: parentResource,
resourceTypePermissions: resourceTypePermissions,
roles: roles);
logger.Info("Saving cam model context changes.");
await this.Context.SaveChangesAsync();
return(addedPermissableEntityResult);
}
}
/// <summary>
/// Updates the given permissable entity in CAM by updating it's parent resource if necessary.
/// </summary>
/// <param name="updatedEntity">The updated entity.</param>
/// <returns>The task.</returns>
public void OnUpdated(IPermissable updatedEntity)
{
if (updatedEntity.IsExempt())
{
logger.Info("Permissable entity with id [{0]} and permissable type [{1}] was exempt from cam.", updatedEntity.GetId(), updatedEntity.GetPermissableType());
}
else
{
var resource = ResourceQueries.CreateGetResourceByForeignResourceIdQuery(this.Context, updatedEntity.GetId(), updatedEntity.GetPermissableType().GetResourceTypeId()).FirstOrDefault();
Resource targetParentResource = null;
Resource previousParentResource = null;
if (updatedEntity.GetParentId().HasValue)
{
targetParentResource = ResourceQueries.CreateGetResourceByForeignResourceIdQuery(this.Context, updatedEntity.GetParentId().Value, updatedEntity.GetParentPermissableType().GetResourceTypeId()).FirstOrDefault();
}
if (resource != null && resource.ParentResourceId.HasValue)
{
previousParentResource = Context.Resources.Find(resource.ParentResourceId.Value);
}
DoUpdate(updatedEntity, resource, targetParentResource, previousParentResource);
this.Context.SaveChanges();
}
}