public bool IsMemberGroup(Group group, GroupMember memberGroup)
{
bool isMember = false;
foreach (GroupMember member in group.GroupMembers)
{
if (member.IsGroup())
{
if (memberGroup.Equals(member))
{
isMember = true;
}
else
{
Group nestedGroup =
this.GroupRepository.GroupNamed(member.TenantId, member.Name);
if (nestedGroup != null)
{
isMember = this.IsMemberGroup(nestedGroup, memberGroup);
}
}
}
if (isMember)
{
break;
}
}
return isMember;
}
public bool IsMemberGroup(Group group, GroupMember memberGroup)
{
var isMember = false;
foreach (var member in group.GroupMembers.Where(x => x.IsGroup))
{
if (memberGroup.Equals(member))
{
isMember = true;
}
else
{
var nestedGroup = this.groupRepository.GroupNamed(member.TenantId, member.Name);
if (nestedGroup != null)
{
isMember = IsMemberGroup(nestedGroup, memberGroup);
}
}
if (isMember)
{
break;
}
}
return isMember;
}
private bool IsMemberGroup(Group group, GroupMember memberGroup, int recursionCount)
{
if (recursionCount > MaxGroupNestingRecursion)
{
throw new InvalidOperationException("The maximum depth of group nesting has been exceeded, stopping recursive function.");
}
bool isMember = false;
foreach (GroupMember member in group.GroupMembers.Where(x => x.IsGroup))
{
if (memberGroup.Equals(member))
{
isMember = true;
}
else
{
Group nestedGroup = this.groupRepository.GroupNamed(member.TenantId, member.Name);
if (nestedGroup != null)
{
int nextRecursionCount = (recursionCount + 1);
isMember = this.IsMemberGroup(nestedGroup, memberGroup, nextRecursionCount);
}
}
if (isMember)
{
break;
}
}
return isMember;
}
/// <summary>
/// Recursive function which determines whether
/// a <see cref="Group"/> is a member of a group
/// or of a descendant group.
/// </summary>
/// <param name="group">
/// An instance of <see cref="Group"/> to check for
/// the presence of <paramref name="memberGroup"/>
/// among its members or descendants.
/// </param>
/// <param name="memberGroup">
/// Another group which may potentially be added to the
/// members of <paramref name="group"/> if it's allowed.
/// </param>
/// <returns>
/// <c>true</c> if the given <paramref name="memberGroup"/>
/// is a member of the given <paramref name="group"/> or of
/// a descendant group; otherwise, <c>false</c>.
/// </returns>
public bool IsMemberGroup(Group group, GroupMember memberGroup)
{
return this.IsMemberGroup(group, memberGroup, 0);
}
internal GroupMember ToGroupMember()
{
GroupMember groupMember =
new GroupMember(
this.TenantId,
this.Name,
GroupMemberType.Group);
return groupMember;
}