PIbd-23-Yunusov-N.N.-CarRepairShop/CarRepairShop/CarRepairShopDatabaseImplement/Implements/OrderStorage.cs

using CarRepairShopContracts.BindingModels;
using CarRepairShopContracts.SearchModels;
using CarRepairShopContracts.StoragesContracts;
using CarRepairShopContracts.ViewModels;
using CarRepairShopDatabaseImplement.Models;

namespace CarRepairShopDatabaseImplement.Implements
{
    public class OrderStorage : IOrderStorage
    {
        public List<OrderViewModel> GetFullList()
        {
            using var context = new RepairsShopDatabase();
            return context.Orders
            .Select(x => AccessRepairsStorage(x.GetViewModel))
           .ToList();
        }
        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
        {
            if (!model.Id.HasValue)
            {
                return new();
            }
            using var context = new RepairsShopDatabase();
            return context.Orders
            .Where(x => x.Id == model.Id)
           .Select(x => AccessRepairsStorage(x.GetViewModel))
           .ToList();
        }
        public OrderViewModel? GetElement(OrderSearchModel model)
        {
            if (!model.Id.HasValue)
            {
                return null;
            }
            using var context = new RepairsShopDatabase();
            return AccessRepairsStorage(context.Orders.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel);
        }
        public OrderViewModel? Insert(OrderBindingModel model)
        {
            var newOrder = Order.Create(model);
            if (newOrder == null)
            {
                return null;
            }
            using var context = new RepairsShopDatabase();
            context.Orders.Add(newOrder);
            context.SaveChanges();
            return AccessRepairsStorage(newOrder.GetViewModel);
        }
        public OrderViewModel? Update(OrderBindingModel model)
        {
            using var context = new RepairsShopDatabase();
            var order = context.Orders.FirstOrDefault(x => x.Id ==
           model.Id);
            if (order == null)
            {
                return null;
            }
            order.Update(model);
            context.SaveChanges();
            return AccessRepairsStorage(order.GetViewModel);
        }
        public OrderViewModel? Delete(OrderBindingModel model)
        {
            using var context = new RepairsShopDatabase();
            var element = context.Orders.FirstOrDefault(rec => rec.Id ==
           model.Id);
            if (element != null)
            {
                context.Orders.Remove(element);
                context.SaveChanges();
                return AccessRepairsStorage(element.GetViewModel);
            }
            return null;
        }

        public static OrderViewModel AccessRepairsStorage(OrderViewModel model)
        {
            if (model == null)
                return null;
            using var context = new RepairsShopDatabase();
            foreach (var Repairs in context.Repairs)
            {
                if (Repairs.Id == model.RepairId)
                {
                    model.RepairName = Repairs.RepairName;
                    break;
                }
            }
            return model;
        }
    }
}