monorepo/LCU.WebApps.Indirect.ReserveManagementSystem/Api/ReserveManagementSystemLib/Repositories/DealerRepository.cs

using ReserveManagementSystemLib.Models;
using ReserveManagementSystemLib.Persistence;

namespace ReserveManagementSystemLib.Repositories
{
    public class DealerRepository : BaseRepository, IDealerRepository
    {
        public DealerRepository(AppDbContext context) : base(context) { }

        public async Task<Dealer> FindByCodeAsync(string code)
        {
            return await _context.Dealers.FirstOrDefaultAsync(d => d.DealerCode == code);
        }

        public IQueryable<Dealer> GetAll()
        {
            return _context.Dealers;
        }

        public async Task<Dealer> AddDealerAsync(Dealer dealer)
        {
            try
            {
                var newDealer = await _context.Dealers.AddAsync(dealer);
                await _context.SaveChangesAsync();
                return newDealer.Entity;
            }
            catch (Exception ex)
            {
                Log.Error(ex, $"Failure to add dealer.");
                return null;
            }
        }

        public async Task<int> UpdateDealersAsync(List<Dealer> dealers)
        {
            _context.Dealers.UpdateRange(dealers);
            return await _context.SaveChangesAsync();
        }

        public async Task<int> AddDealersAsync(List<Dealer> dealers)
        {
            _context.Dealers.AddRange(dealers);
            return await _context.SaveChangesAsync();
        }
    }
}