/// <summary>
/// 设置/取消 群组管理员
/// </summary>
/// <param name="groupId">群组Id</param>
/// <param name="userId">用户Id</param>
/// <param name="isManager">是否管理员</param>
public bool SetManager(long groupId, long userId, bool isManager)
{
//设计要点：
//1、userId必须是groupId成员
GroupMember member = groupMemberRepository.GetMember(groupId, userId);
if (member == null)
{
return(false);
}
if (member.IsManager == isManager)
{
return(false);
}
member.IsManager = isManager;
groupMemberRepository.Update(member);
if (isManager)
{
EventBus <GroupMember> .Instance().OnAfter(member, new CommonEventArgs(EventOperationType.Instance().SetGroupManager()));
}
else
{
EventBus <GroupMember> .Instance().OnAfter(member, new CommonEventArgs(EventOperationType.Instance().CancelGroupManager()));
}
return(true);
}
public void ChangeMemberRole(GroupMemberViewModel viewModel)
{
string userRole = _groupMemberRepository.GetRole(viewModel.GroupId, viewModel.CurrentUserId);
if (userRole.Equals(RoleNames.ROLE_OWNER) &&
_groupMemberRepository.IsInGroup(viewModel.GroupId, viewModel.UserId))
{
var groupMember = _groupMemberRepository.Get(u => u.GroupId == viewModel.GroupId && u.UserId == viewModel.UserId).Single();
groupMember.RoleId = viewModel.RoleId;
_groupMemberRepository.Update(groupMember);
}
else
{
throw new ArgumentException("User does not belong to this group");
}
}