Merge branch 'database' of https://git.is.ulstu.ru/Marselchii/PIbd-21_Sagirov_M.M._Malafeev_L.S._CourseWork_CarCenter into database

CarCenter/CarCenterDatabaseImplement/Implements/StorekeeperStorage.cs

@@ -0,0 +1,99 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using CarCenterDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterDatabaseImplement.Implements
+{
+	public class StorekeeperStorage : IStorekeeperStorage
+	{
+		public List<StorekeeperViewModel> GetFullList()
+		{
+			using var context = new CarCenterDatabase();
+
+			return context.Storekeepers
+				.Select(x => x.GetViewModel)
+				.ToList();
+		}
+		public List<StorekeeperViewModel> GetFilteredList(StorekeeperSearchModel model)
+		{
+			if (model == null)
+			{
+				return new();
+			}
+
+			if (model.Id.HasValue)
+			{
+				var res = GetElement(model);
+
+				return res != null ? new() { res } : new();
+			}
+			return new();
+		}
+
+		public StorekeeperViewModel? GetElement(StorekeeperSearchModel model)
+		{
+			using var context = new CarCenterDatabase();
+
+			if (model.Id.HasValue)
+				return context.Storekeepers
+					.FirstOrDefault(x => x.Id == model.Id)
+					?.GetViewModel;
+			return null;
+		}
+
+
+		public StorekeeperViewModel? Delete(StorekeeperBindingModel model)
+		{
+			using var context = new CarCenterDatabase();
+
+			var res = context.Storekeepers
+				.FirstOrDefault(x => x.Id == model.Id);
+
+			if (res != null)
+			{
+				context.Storekeepers.Remove(res);
+				context.SaveChanges();
+			}
+
+			return res?.GetViewModel;
+		}
+
+		public StorekeeperViewModel? Insert(StorekeeperBindingModel model)
+		{
+			using var context = new CarCenterDatabase();
+
+			var res = Storekeeper.Create(model);
+
+			if (res != null)
+			{
+				context.Storekeepers.Add(res);
+				context.SaveChanges();
+			}
+
+			return res?.GetViewModel;
+		}
+
+		public StorekeeperViewModel? Update(StorekeeperBindingModel model)
+		{
+			using var context = new CarCenterDatabase();
+
+			var res = context.Storekeepers.FirstOrDefault(x => x.Id == model.Id);
+
+			if (res != null)
+			{
+				res.Update(model);
+				context.SaveChanges();
+			}
+
+			return res?.GetViewModel;
+		}
+	}
+}