/// <summary>
/// Adds a <paramref name="role"/> to the <paramref name="owner"/>.
/// </summary>
/// <param name="context">The <see cref="IMansionContext"/>.</param>
/// <param name="owner">The <see cref="RoleOwner"/>.</param>
/// <param name="role">The <see cref="Role"/>.</param>
public void AssignRole(IMansionContext context, RoleOwner owner, Role role)
{
// validate arguments
if (context == null)
throw new ArgumentNullException("context");
if (owner == null)
throw new ArgumentNullException("owner");
if (role == null)
throw new ArgumentNullException("role");
// get the repository
var repository = context.Repository;
// retrieve the required nodes
var ownerNode = RetrieveRoleOwnerNode(context, owner, repository);
var roleNode = RetrieveRoleNode(context, role, repository);
// update the role owner
repository.UpdateNode(context, ownerNode, new PropertyBag
{
{"assignedRoleGuids", string.Join(",", new[] {ownerNode.Get(context, "assignedRoleGuids", string.Empty), roleNode.Get<string>(context, "guid")})}
});
}
/// <summary>
/// Retrieves the role owner node.
/// </summary>
/// <param name="context"></param>
/// <param name="owner"></param>
/// <param name="repository"></param>
/// <returns></returns>
private static Node RetrieveRoleOwnerNode(IMansionContext context, RoleOwner owner, IRepository repository)
{
// if the user is not authenticated, retrieve the visiter from the database
Node node;
if (owner.Id == Guid.Empty)
{
node = repository.RetrieveSingleNode(context, new PropertyBag
{
{"baseType", "RoleOwner"},
{"key", "AnonymousUser"},
{"bypassAuthorization", true},
{StorageOnlyQueryComponent.PropertyKey, true}
});
if (node == null)
throw new InvalidOperationException("Could not find the anonymous user node");
}
else
{
node = repository.RetrieveSingleNode(context, new PropertyBag
{
{"baseType", "RoleOwner"},
{"guid", owner.Id},
{"bypassAuthorization", true},
{StorageOnlyQueryComponent.PropertyKey, true}
});
if (node == null)
throw new InvalidOperationException(string.Format("Could not find role owner with foreign ID {0} in repository, please sync tables", owner.Id));
}
return node;
}
/// <summary>
/// Removes a <paramref name="role"/> from the <paramref name="owner"/>.
/// </summary>
/// <param name="context">The <see cref="IMansionContext"/>.</param>
/// <param name="owner">The <see cref="RoleOwner"/>.</param>
/// <param name="role">The <see cref="Role"/>.</param>
public void RemoveRole(IMansionContext context, RoleOwner owner, Role role)
{
// validate arguments
if (context == null)
throw new ArgumentNullException("context");
if (owner == null)
throw new ArgumentNullException("owner");
if (role == null)
throw new ArgumentNullException("role");
// get the repository
var repository = context.Repository;
// retrieve the required nodes
var ownerNode = RetrieveRoleOwnerNode(context, owner, repository);
var roleNode = RetrieveRoleNode(context, role, repository);
// build the userGuids array
var assignedRoleList = (ownerNode.Get(context, "assignedRoleGuids", string.Empty).Split(new[] {','}, StringSplitOptions.RemoveEmptyEntries)).ToList();
assignedRoleList.Remove(roleNode.Get<string>(context, "guid"));
// update the user group
repository.UpdateNode(context, ownerNode, new PropertyBag
{
{"assignedRoleGuids", string.Join(",", assignedRoleList)}
});
}
