ISEbd-22_Baygulov_A.A._SushiBar/SushiBar/SushiBarDatabaseImplement/OrderStorage.cs

using Microsoft.EntityFrameworkCore;
using SushiBarContracts.BindingModels;
using SushiBarContracts.SearchModels;
using SushiBarContracts.StoragesContracts;
using SushiBarContracts.ViewModels;
using SushiBarDatabaseImplement.Models;

namespace SushiBarDatabaseImplement.Implements
{
	public class OrderStorage : IOrderStorage
	{
		public List<OrderViewModel> GetFullList()
		{
			using var context = new SushiBarDatabase();
			return context.Orders.Include(x => x.Sushi).Include(x => x.Client).Select(x => x.GetViewModel).ToList();
		}

		public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
		{
			using var context = new SushiBarDatabase();
			if (model.DateFrom.HasValue)
			{
				return context.Orders.Include(x => x.Sushi).Where(x => x.DateCreate >= model.DateFrom && x.DateCreate <= model.DateTo).Select(x => x.GetViewModel).ToList();
			}
			if (model.ClientId.HasValue)
			{
				return context.Orders.Include(x => x.Sushi).Where(x => x.ClientId == model.ClientId).Select(x => x.GetViewModel).ToList();
			}
			return context.Orders.Include(x => x.Sushi).Where(x => x.Id == model.Id).Select(x => x.GetViewModel).ToList();
		}

		public OrderViewModel? GetElement(OrderSearchModel model)
		{
			if (!model.Id.HasValue)
			{
				return new();
			}
			using var context = new SushiBarDatabase();
			return context.Orders.Include(x => x.Sushi).FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
		}

		public OrderViewModel? Insert(OrderBindingModel model)
		{
			using var context = new SushiBarDatabase();
			if (model == null)
				return null;
			var newOrder = Order.Create(context, model);
			if (newOrder == null)
			{
				return null;
			}
			context.Orders.Add(newOrder);
			context.SaveChanges();
			return newOrder.GetViewModel;
		}

		public OrderViewModel? Update(OrderBindingModel model)
		{
			using var context = new SushiBarDatabase();
			var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
			if (order == null)
			{
				return null;
			}
			order.Update(model);
			context.SaveChanges();
			return order.GetViewModel;
		}

		public OrderViewModel? Delete(OrderBindingModel model)
		{
			using var context = new SushiBarDatabase();
			var order = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
			if (order != null)
			{
				context.Orders.Remove(order);
				context.SaveChanges();
				return order.GetViewModel;
			}
			return null;
		}
	}
}