public async Task <SubscriptionModelApi <int> > UpdateAsync(int id, SubscriptionModelApi <int> model)
        {
            model.Id = id;

            _context.Subscriptions.Update(AutoMapperConfig.Mapper.Map <SubscriptionModel <int> >(model));

            await _context.SaveChangesAsync();

            return(await GetByIdAsync(id));
        }
        public async Task <SubscriptionModelApi <int> > CreateAsync(SubscriptionModelApi <int> model)
        {
            var res = await _context.Subscriptions.AddAsync(
                AutoMapperConfig.Mapper.Map <SubscriptionModel <int> >(model)
                );

            _context.SaveChanges();

            return(await GetByIdAsync(res.Entity.Id));
        }