FishFactory/FishFactoryDatabaseImplement/FishFactoryDatabase.cs

@@ -22,5 +22,7 @@ namespace FishFactoryDatabaseImplement
         public virtual DbSet<Canned> Canneds { set; get; }
         public virtual DbSet<CannedComponent> CannedComponents { set; get; }
         public virtual DbSet<Order> Orders { set; get; }
+        public virtual DbSet<Shop> Shops { set; get; }
+        public virtual DbSet<ShopCanned> ShopCanned { set; get; }
     }
 }

FishFactory/FishFactoryDatabaseImplement/Implements/ShopStorage.cs

@@ -0,0 +1,155 @@
+using FishFactoryContracts.BindingModels;
+using FishFactoryContracts.SearchModels;
+using FishFactoryContracts.StoragesContracts;
+using FishFactoryContracts.ViewModels;
+using FishFactoryDatabaseImplement.Models;
+using FishFactoryDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FishFactoryDatabaseImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        public List<ShopViewModel> GetFullList()
+        {
+            using var context = new FishFactoryDatabase();
+            return context.Shops
+                    .Include(x => x.ListCannedFk)
+                    .ThenInclude(x => x.Canned)
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName))
+            {
+                return new();
+            }
+            using var context = new FishFactoryDatabase();
+            return context.Shops
+                    .Include(x => x.ListCannedFk)
+                    .ThenInclude(x => x.Canned)
+                    .Where(x => x.ShopName.Contains(model.ShopName))
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FishFactoryDatabase();
+            return context.Shops
+                .Include(x => x.ListCannedFk)
+                .ThenInclude(x => x.Canned)
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.ShopName) && x.ShopName == model.ShopName) ||
+                                (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
+        }
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            using var context = new FishFactoryDatabase();
+            var newShop = Shop.Create(context, model);
+            if (newShop == null)
+            {
+                return null;
+            }
+            context.Shops.Add(newShop);
+            context.SaveChanges();
+            return newShop.GetViewModel;
+        }
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            using var context = new FishFactoryDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var shop = context.Shops.FirstOrDefault(rec => rec.Id == model.Id);
+                if (shop == null)
+                {
+                    return null;
+                }
+                shop.Update(model);
+                context.SaveChanges();
+                shop.UpdateCanned(context, model);
+                transaction.Commit();
+                return shop.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            using var context = new FishFactoryDatabase();
+            var element = context.Shops
+                .Include(x => x.ListCannedFk)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Shops.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+        public bool SellCanned(ICannedModel model, int count)
+        {
+            using var context = new FishFactoryDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                foreach (var shop in context.Shops
+                    .Include(x => x.ListCannedFk)
+                    .ThenInclude(x => x.Canned)
+                    .ToList()
+                    .Where(x => x.ListCanned.ContainsKey(model.Id)))
+                {
+                    int countInCurrentShop = shop.ListCanned[model.Id].Item2;
+                    if (countInCurrentShop <= count)
+                    {
+                        var elem = context.ShopCanned
+                            .Where(x => x.CannedId == model.Id)
+                            .FirstOrDefault(x => x.ShopId == shop.Id);
+                        context.ShopCanned.Remove(elem);
+                        shop.ListCanned.Remove(model.Id);
+                        count -= countInCurrentShop;
+                    }
+                    else
+                    {
+                        shop.ListCanned[model.Id] = (shop.ListCanned[model.Id].Item1, countInCurrentShop - count);
+                        count = 0;
+                        shop.UpdateCanned(context, new()
+                        {
+                            Id = shop.Id,
+                            ListCanned = shop.ListCanned,
+                        });
+                    }
+                    if (count == 0)
+                    {
+                        context.SaveChanges();
+                        transaction.Commit();
+                        return true;
+                    }
+                }
+                transaction.Rollback();
+                return false;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Migrations/20240617130014_lab3hard.Designer.cs

@@ -0,0 +1,246 @@
+// <auto-generated />
+using System;
+using FishFactoryDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FishFactoryDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FishFactoryDatabase))]
+    [Migration("20240617130014_lab3hard")]
+    partial class lab3hard
+    {
+        /// <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("FishFactoryDatabaseImplement.Models.Canned", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("CannedName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Canneds");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.CannedComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CannedId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CannedId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("CannedComponents");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.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("FishFactoryDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CannedId")
+                        .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("CannedId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.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<DateTime>("DateOpening")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("MaxCountCanned")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.ShopCanned", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CannedId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CannedId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopCanned");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.CannedComponent", b =>
+                {
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Canned", "Canned")
+                        .WithMany("Components")
+                        .HasForeignKey("CannedId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Component", "Component")
+                        .WithMany("CannedComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Canned");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Canned", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("CannedId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.ShopCanned", b =>
+                {
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Canned", "Canned")
+                        .WithMany()
+                        .HasForeignKey("CannedId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("ListCannedFk")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Canned");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Canned", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("CannedComponents");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("ListCannedFk");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Migrations/20240617130014_lab3hard.cs

@@ -0,0 +1,78 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FishFactoryDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class lab3hard : 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"),
+                    ShopName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Address = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    DateOpening = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    MaxCountCanned = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Shops", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ShopCanned",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    CannedId = 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_ShopCanned", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ShopCanned_Canneds_CannedId",
+                        column: x => x.CannedId,
+                        principalTable: "Canneds",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ShopCanned_Shops_ShopId",
+                        column: x => x.ShopId,
+                        principalTable: "Shops",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopCanned_CannedId",
+                table: "ShopCanned",
+                column: "CannedId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopCanned_ShopId",
+                table: "ShopCanned",
+                column: "ShopId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "ShopCanned");
+
+            migrationBuilder.DropTable(
+                name: "Shops");
+        }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Migrations/FishFactoryDatabaseModelSnapshot.cs

@@ -121,6 +121,59 @@ namespace FishFactoryDatabaseImplement.Migrations
                     b.ToTable("Orders");
                 });
 
+            modelBuilder.Entity("FishFactoryDatabaseImplement.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<DateTime>("DateOpening")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("MaxCountCanned")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.ShopCanned", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CannedId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CannedId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopCanned");
+                });
+
             modelBuilder.Entity("FishFactoryDatabaseImplement.Models.CannedComponent", b =>
                 {
                     b.HasOne("FishFactoryDatabaseImplement.Models.Canned", "Canned")
@@ -149,6 +202,25 @@ namespace FishFactoryDatabaseImplement.Migrations
                         .IsRequired();
                 });
 
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.ShopCanned", b =>
+                {
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Canned", "Canned")
+                        .WithMany()
+                        .HasForeignKey("CannedId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("ListCannedFk")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Canned");
+
+                    b.Navigation("Shop");
+                });
+
             modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Canned", b =>
                 {
                     b.Navigation("Components");
@@ -160,6 +232,11 @@ namespace FishFactoryDatabaseImplement.Migrations
                 {
                     b.Navigation("CannedComponents");
                 });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("ListCannedFk");
+                });
 #pragma warning restore 612, 618
         }
     }

FishFactory/FishFactoryDatabaseImplement/Models/Shop.cs

@@ -0,0 +1,109 @@
+using FishFactoryContracts.BindingModels;
+using FishFactoryContracts.ViewModels;
+using FishFactoryDataModels.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 FishFactoryDatabaseImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string ShopName { get; private set; } = string.Empty;
+        [Required]
+        public string Address { get; private set; } = string.Empty;
+        [Required]
+        public DateTime DateOpening { get; private set; }
+        [Required]
+        public int MaxCountCanned { get; private set; }
+
+        private Dictionary<int, (ICannedModel, int)>? _shopCanned = null;
+
+        [NotMapped]
+        public Dictionary<int, (ICannedModel, int)> ListCanned
+        {
+            get
+            {
+                if (_shopCanned == null)
+                {
+                    _shopCanned = ListCannedFk
+                            .ToDictionary(recPC => recPC.CannedId, recPC => (recPC.Canned as ICannedModel, recPC.Count));
+                }
+                return _shopCanned;
+            }
+        }
+
+        [ForeignKey("ShopId")]
+        public virtual List<ShopCanned> ListCannedFk { get; set; } = new();
+
+        public static Shop Create(FishFactoryDatabase context, ShopBindingModel model)
+        {
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                DateOpening = model.DateOpening,
+                MaxCountCanned = model.MaxCountCanned,
+                ListCannedFk = model.ListCanned.Select(x => new ShopCanned
+                {
+                    Canned = context.Canneds.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+
+        public void Update(ShopBindingModel model)
+        {
+            ShopName = model.ShopName;
+            Address = model.Address;
+            DateOpening = model.DateOpening;
+            MaxCountCanned = model.MaxCountCanned;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            DateOpening = DateOpening,
+            MaxCountCanned = MaxCountCanned,
+            ListCanned = ListCanned
+        };
+
+        public void UpdateCanned(FishFactoryDatabase context, ShopBindingModel model)
+        {
+            var shopCanned = context.ShopCanned.Where(rec => rec.ShopId == model.Id).ToList();
+            if (shopCanned != null && shopCanned.Count > 0)
+            {   // удалили те, которых нет в модели
+                context.ShopCanned.RemoveRange(shopCanned.Where(rec => !model.ListCanned.ContainsKey(rec.CannedId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateCanned in shopCanned)
+                {
+                    updateCanned.Count = model.ListCanned[updateCanned.CannedId].Item2;
+                    model.ListCanned.Remove(updateCanned.CannedId);
+                }
+                context.SaveChanges();
+            }
+            var shop = context.Shops.First(x => x.Id == Id);
+            foreach (var ss in model.ListCanned)
+            {
+                context.ShopCanned.Add(new ShopCanned
+                {
+                    Shop = shop,
+                    Canned = context.Canneds.First(x => x.Id == ss.Key),
+                    Count = ss.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _shopCanned = null;
+        }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Models/ShopCanned.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FishFactoryDatabaseImplement.Models
+{
+    public class ShopCanned
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int CannedId { get; set; }
+
+        [Required]
+        public int ShopId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Shop Shop { get; set; } = new();
+
+        public virtual Canned Canned { get; set; } = new();
+    }
+}