public async Task AddProjectsToUserAsync(string userId, IEnumerable <int> newProjectIds, UserAndOrganizationDto userOrg)
{
var user = await _usersDbSet
.Include(x => x.Projects)
.FirstAsync(x => x.Id == userId && x.OrganizationId == userOrg.OrganizationId);
var wallsThatShouldBeRemovedFromUser = user.Projects
.Where(x => !newProjectIds.Contains(x.Id))
.Select(x => x.WallId)
.ToList();
var wallsThatShouldBeAddedToUser = await _projectsDbSet.Where(x => newProjectIds.Contains(x.Id)).Select(x => x.WallId).ToListAsync();
await _wallService.AddMemberToWallsAsync(userId, wallsThatShouldBeAddedToUser);
await _wallService.RemoveMemberFromWallsAsync(userId, wallsThatShouldBeRemovedFromUser);
user.Projects = await _projectsDbSet.Where(p => newProjectIds.Contains(p.Id)).ToListAsync();
await _uow.SaveChangesAsync(userOrg.UserId);
}
