✅ LINQ / EFCore

        var centers = await _dbContext.Centers
            .Include(x => x.Categories)
            .Where(x => x.CityId == request.CityId && (request.CategoryIds.Count == 0 ||
                                                       x.Categories.All(y => request.CategoryIds.Contains(y.Id))))
            .Include(x => x.Reviews)
            .DoThis(x.Rating = x.Reviews.Average(y=>y.Rating))
            .Skip(request.Page * request.Count)
            .Take(request.Count)
            .ToListAsync(cancellationToken: cancellationToken);