LC3 done

AutomobilePlant/AutomobilePlantDatabaseImplement/AutomobilePlantDatabase.cs

@@ -17,5 +17,7 @@ namespace AutomobilePlantDatabaseImplement
         public virtual DbSet<Car> Cars { set; get; }
         public virtual DbSet<CarComponent> CarComponents { set; get; }
         public virtual DbSet<Order> Orders { set; get; }
+        public virtual DbSet<Shop> Shops { set; get; }
+        public virtual DbSet<ShopCar> ShopCars { set; get; }
     }
 }

AutomobilePlant/AutomobilePlantDatabaseImplement/Implements/ShopStorage.cs

@@ -0,0 +1,143 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModels;
+using AutomobilePlantContracts.StoragesContracts;
+using AutomobilePlantContracts.ViewModels;
+using AutomobilePlantDatabaseImplement.Models;
+using AutomobilePlantDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDatabaseImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new AutomobilePlantDatabase();
+            return context.Shops.Include(x => x.Cars).ThenInclude(x => x.Car).FirstOrDefault(x =>
+                (!string.IsNullOrEmpty(model.Name) && x.Name == model.Name) ||
+                (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return new();
+            }
+            using var context = new AutomobilePlantDatabase();
+            return context.Shops.Include(x => x.Cars).ThenInclude(x => x.Car).Where(x => x.Name.Contains(model.Name)).ToList().Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            using var context = new AutomobilePlantDatabase();
+            return context.Shops.Include(x => x.Cars).ThenInclude(x => x.Car).ToList().Select(x => x.GetViewModel).ToList();
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var newShop = Shop.Create(context, model);
+                if (newShop == null)
+                {
+                    return null;
+                }
+                if (context.Shops.Any(x => x.Name == newShop.Name))
+                {
+                    throw new Exception("Название магазина уже занято");
+                }
+
+                context.Shops.Add(newShop);
+                context.SaveChanges();
+                transaction.Commit();
+                return newShop.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var shop = context.Shops.Include(x => x.Cars).FirstOrDefault(x => x.Id == model.Id);
+                if (shop == null)
+                {
+                    return null;
+                }
+                shop.Update(model);
+                context.SaveChanges();
+                if (model.ShopCars.Count > 0)
+                {
+                    shop.UpdateCars(context, model);
+                }
+                transaction.Commit();
+                return shop.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            using var context = new AutomobilePlantDatabase();
+            var shop = context.Shops.Include(x => x.Cars).FirstOrDefault(x => x.Id == model.Id);
+            if (shop != null)
+            {
+                context.Shops.Remove(shop);
+                context.SaveChanges();
+                return shop.GetViewModel;
+            }
+            return null;
+        }
+
+        public bool SellCar(ICarModel model, int count)
+        {
+            using var context = new AutomobilePlantDatabase();
+            using var transaction = context.Database.BeginTransaction();
+
+            foreach (var shopCars in context.ShopCars.Where(x => x.CarId == model.Id))
+            {
+                var min = Math.Min(count, shopCars.Count);
+                shopCars.Count -= min;
+                count -= min;
+                if (count <= 0)
+                {
+                    break;
+                }
+            }
+
+            if (count == 0)
+            {
+                context.SaveChanges();
+                transaction.Commit();
+            }
+            else
+                transaction.Rollback();
+
+            if (count > 0)
+                return false;
+
+            return true;
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/20240310130521_HardMbINeedIt.Designer.cs

@@ -0,0 +1,248 @@
+// <auto-generated />
+using System;
+using AutomobilePlantDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace AutomobilePlantDatabaseImplement.Migrations
+{
+    [DbContext(typeof(AutomobilePlantDatabase))]
+    [Migration("20240310130521_HardMbINeedIt")]
+    partial class HardMbINeedIt
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.16")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Car", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("CarName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Cars");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.CarComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("CarComponents");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("MaxCountCars")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("OpeningDate")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopCars");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.CarComponent", b =>
+                {
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
+                        .WithMany("Components")
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Component", "Component")
+                        .WithMany("ProductComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
+                        .WithMany("Orders")
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
+                {
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
+                        .WithMany()
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("Cars")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Car", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("ProductComponents");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Cars");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/20240310130521_HardMbINeedIt.cs

@@ -0,0 +1,78 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace AutomobilePlantDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class HardMbINeedIt : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Shops",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Address = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    OpeningDate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    MaxCountCars = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Shops", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ShopCars",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    CarId = table.Column<int>(type: "int", nullable: false),
+                    ShopId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ShopCars", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ShopCars_Cars_CarId",
+                        column: x => x.CarId,
+                        principalTable: "Cars",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ShopCars_Shops_ShopId",
+                        column: x => x.ShopId,
+                        principalTable: "Shops",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopCars_CarId",
+                table: "ShopCars",
+                column: "CarId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopCars_ShopId",
+                table: "ShopCars",
+                column: "ShopId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "ShopCars");
+
+            migrationBuilder.DropTable(
+                name: "Shops");
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/Migrations/AutomobilePlantDatabaseModelSnapshot.cs

@@ -121,6 +121,59 @@ namespace AutomobilePlantDatabaseImplement.Migrations
                     b.ToTable("Orders");
                 });
 
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("MaxCountCars")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("OpeningDate")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CarId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CarId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopCars");
+                });
+
             modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.CarComponent", b =>
                 {
                     b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
@@ -151,6 +204,25 @@ namespace AutomobilePlantDatabaseImplement.Migrations
                     b.Navigation("Car");
                 });
 
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.ShopCar", b =>
+                {
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Car", "Car")
+                        .WithMany()
+                        .HasForeignKey("CarId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("AutomobilePlantDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("Cars")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Car");
+
+                    b.Navigation("Shop");
+                });
+
             modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Car", b =>
                 {
                     b.Navigation("Components");
@@ -162,6 +234,11 @@ namespace AutomobilePlantDatabaseImplement.Migrations
                 {
                     b.Navigation("ProductComponents");
                 });
+
+            modelBuilder.Entity("AutomobilePlantDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Cars");
+                });
 #pragma warning restore 612, 618
         }
     }

AutomobilePlant/AutomobilePlantDatabaseImplement/Models/Shop.cs

@@ -0,0 +1,114 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.ViewModels;
+using AutomobilePlantDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDatabaseImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public string Name { get; set; } = string.Empty;
+
+        [Required]
+        public string Address { get; set; } = string.Empty;
+
+        [Required]
+        public DateTime OpeningDate { get; set; }
+
+        [ForeignKey("ShopId")]
+        public List<ShopCar> Cars { get; set; } = new();
+
+        private Dictionary<int, (ICarModel, int)>? _shopCars = null;
+
+        [NotMapped]
+        public Dictionary<int, (ICarModel, int)> ShopCars
+        {
+            get
+            {
+                if (_shopCars == null)
+                {
+                    _shopCars = Cars.ToDictionary(recPC => recPC.CarId, recPC => (recPC.Car as ICarModel, recPC.Count));
+                }
+                return _shopCars;
+            }
+        }
+
+        [Required]
+        public int MaxCountCars { get; set; }
+
+        public static Shop Create(AutomobilePlantDatabase context, ShopBindingModel model)
+        {
+            return new Shop()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Address = model.Address,
+                OpeningDate = model.OpeningDate,
+                Cars = model.ShopCars.Select(x => new ShopCar
+                {
+                    Car = context.Cars.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList(),
+                MaxCountCars = model.MaxCountCars
+            };
+        }
+
+        public void Update(ShopBindingModel model)
+        {
+            Name = model.Name;
+            Address = model.Address;
+            OpeningDate = model.OpeningDate;
+            MaxCountCars = model.MaxCountCars;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Address = Address,
+            OpeningDate = OpeningDate,
+            ShopCars = ShopCars,
+            MaxCountCars = MaxCountCars
+        };
+
+        public void UpdateCars(AutomobilePlantDatabase context, ShopBindingModel model)
+        {
+            var ShopCars = context.ShopCars.Where(rec => rec.ShopId == model.Id).ToList();
+            if (ShopCars != null && ShopCars.Count > 0)
+            {
+                // удалили те, которых нет в модели
+                context.ShopCars.RemoveRange(ShopCars.Where(rec => !model.ShopCars.ContainsKey(rec.CarId)));
+                context.SaveChanges();
+                ShopCars = context.ShopCars.Where(rec => rec.ShopId == model.Id).ToList();
+                // обновили количество у существующих записей
+                foreach (var updateCar in ShopCars)
+                {
+                    updateCar.Count = model.ShopCars[updateCar.CarId].Item2;
+                    model.ShopCars.Remove(updateCar.CarId);
+                }
+                context.SaveChanges();
+            }
+            var shop = context.Shops.First(x => x.Id == Id);
+            foreach (var elem in model.ShopCars)
+            {
+                context.ShopCars.Add(new ShopCar
+                {
+                    Shop = shop,
+                    Car = context.Cars.First(x => x.Id == elem.Key),
+                    Count = elem.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _shopCars = null;
+        }
+    }
+}

AutomobilePlant/AutomobilePlantDatabaseImplement/Models/ShopCar.cs

@@ -0,0 +1,22 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace AutomobilePlantDatabaseImplement.Models
+{
+    public class ShopCar
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int CarId { get; set; }
+
+        [Required]
+        public int ShopId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Shop Shop { get; set; } = new();
+
+        public virtual Car Car { get; set; } = new();
+    }
+}