public async Task <IReadOnlyCollection <Group> > RunAsync(UserGroupsQuery query, CancellationToken ct)
=> (await _db
.Groups
.Include(g => g.Creator)
.Where(g => g.GroupUsers.Any(gu => gu.UserId == query.UserId))
.OrderBy(g => g.Id)
.ToListAsync(ct))
.AsReadOnly();
public IReadOnlyCollection <Group> GetUserGroups(Guid userId)
{
var query = new UserGroupsQuery(dbContext.Users);
return(new GroupMapper().Map(query.Execute(userId)).ToList());
}