FlowerShopBusinessLogic/OrderLogic.cs

@@ -132,7 +132,7 @@ namespace FlowerShopBusinessLogic.BusinessLogic
         {
             if (count <= 0)
             {
-                _logger.LogWarning("Check then supply operation error. IceCream count < 0.");
+                _logger.LogWarning("Check then supply operation error. Flowers count < 0.");
                 return false;
             }
 
@@ -144,7 +144,7 @@ namespace FlowerShopBusinessLogic.BusinessLogic
 
             if (freeSpace - count < 0)
             {
-                _logger.LogWarning("Check then supply operation error. There's no place for new IceCream in shops.");
+                _logger.LogWarning("Check then supply operation error. There's no place for new Flowers in shops.");
                 return false;
             }
 

FlowerShopDataModels/IShopModel.cs

@@ -1,4 +1,5 @@
-using System;
+using FlowerShopDataModels;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -11,7 +12,9 @@ namespace FlowerShopDataModels.Models
         string ShopName { get; }
         string Address { get; }
         DateTime DateOpen { get; }
+        
         int MaxCapacity { get; }
         Dictionary<int, (IFlowerModel, int)> ShopFlowers { get; }
     }
 }
+

FlowerShopDatabaseImplement/Component.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using FlowerShopDataModels.Models;
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.ViewModels;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+namespace FlowerShopDatabaseImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string ComponentName { get; private set; } = string.Empty;
+        [Required]
+        public double Cost { get; set; }
+        [ForeignKey("ComponentId")]
+        public virtual List<FlowerComponent> FlowerComponents { get; set; } =
+       new();
+        public static Component? Create(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public static Component Create(ComponentViewModel model)
+        {
+            return new Component
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public void Update(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+
+    }
+}

FlowerShopDatabaseImplement/ComponentStorage.cs

@@ -0,0 +1,89 @@
+using FlowerShopContracts.StoragesContracts;
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDatabaseImplement.Models;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new FlowerShopDataBase();
+            return context.Components
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            using var context = new FlowerShopDataBase();
+            return context.Components
+            .Where(x => x.ComponentName.Contains(model.ComponentName))
+           .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FlowerShopDataBase();
+            return context.Components
+            .FirstOrDefault(x =>
+           (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName ==
+           model.ComponentName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            using var context = new FlowerShopDataBase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new FlowerShopDataBase();
+            var component = context.Components.FirstOrDefault(x => x.Id ==
+           model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            using var context = new FlowerShopDataBase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id ==
+           model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FlowerShopDatabaseImplement/Flower.cs

@@ -0,0 +1,99 @@
+using FlowerShopDataModels.Models;
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.ViewModels;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using FlowerShopDatabaseImplement;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopDatabaseImplement.Models
+{
+    public class Flower : IFlowerModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string FlowerName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _flowerComponents = null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> FlowerComponents
+        {
+            get
+            {
+                if (_flowerComponents == null)
+                {
+                    _flowerComponents = Components
+                    .ToDictionary(recPC => recPC.ComponentId, recPC =>
+                   (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _flowerComponents;
+            }
+        }
+        [ForeignKey("FlowerId")]
+        public virtual List<FlowerComponent> Components { get; set; } = new();
+        [ForeignKey("FlowerId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        [ForeignKey("FlowerId")]
+        public virtual List<ShopFlower> ShopFlowers { get; set; } = new();
+        public static Flower Create(FlowerShopDataBase context, FlowerBindingModel model)
+        {
+            return new Flower()
+            {
+                Id = model.Id,
+                FlowerName = model.FlowerName,
+                Price = model.Price,
+                Components = model.FlowerComponents.Select(x => new FlowerComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(FlowerBindingModel model)
+        {
+            FlowerName = model.FlowerName;
+            Price = model.Price;
+        }
+        public FlowerViewModel GetViewModel => new()
+        {
+            Id = Id,
+            FlowerName = FlowerName,
+            Price = Price,
+            FlowerComponents = FlowerComponents
+        };
+        public void UpdateComponents(FlowerShopDataBase context, FlowerBindingModel model)
+        {
+            var flowerComponents = context.FlowerComponents.Where(rec =>rec.FlowerId == model.Id).ToList();
+            if (flowerComponents != null && flowerComponents.Count > 0)
+            {
+                context.FlowerComponents.RemoveRange(flowerComponents.Where(rec => !model.FlowerComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                foreach (var updateComponent in flowerComponents)
+                {
+                    updateComponent.Count =
+                    model.FlowerComponents[updateComponent.ComponentId].Item2;
+                    model.FlowerComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var flower = context.Flowers.First(x => x.Id == Id);
+            foreach (var pc in model.FlowerComponents)
+            {
+                context.FlowerComponents.Add(new FlowerComponent
+                {
+                    Flower = flower,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _flowerComponents = null;
+        }
+    }
+}

FlowerShopDatabaseImplement/FlowerComponent.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopDatabaseImplement.Models
+{
+    public class FlowerComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int FlowerId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Flower Flower { get; set; } = new();
+    }
+}

FlowerShopDatabaseImplement/FlowerShopDataBase.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore;
+using FlowerShopDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopDatabaseImplement
+{
+    public class FlowerShopDataBase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=localhost\SQLEXPRESS;Initial Catalog=FlowerShopHardDatabase;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Flower> Flowers { set; get; }
+        public virtual DbSet<FlowerComponent> FlowerComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+        public virtual DbSet<Shop> Shops { set; get; }
+        public virtual DbSet<ShopFlower> ShopFlowers { set; get; }
+    }
+}

FlowerShopDatabaseImplement/FlowerShopDatabaseImplement.csproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\FlowerShopContracts\FlowerShopContracts.csproj" />
+    <ProjectReference Include="..\FlowerShopDataModels\FlowerShopDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

FlowerShopDatabaseImplement/FlowerStorage.cs

@@ -0,0 +1,110 @@
+using FlowerShopContracts.StoragesContracts;
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDatabaseImplement.Models;
+
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopDatabaseImplement.Implements
+{
+    public class FlowerStorage : IFlowerStorage
+    {
+        public List<FlowerViewModel> GetFullList()
+        {
+            using var context = new FlowerShopDataBase();
+            return context.Flowers
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<FlowerViewModel> GetFilteredList(FlowerSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.FlowerName))
+            {
+                return new();
+            }
+            using var context = new FlowerShopDataBase();
+            return context.Flowers.Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .Where(x => x.FlowerName.Contains(model.FlowerName))
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public FlowerViewModel? GetElement(FlowerSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.FlowerName) &&
+            !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FlowerShopDataBase();
+            return context.Flowers
+             .Include(x => x.Components)
+             .ThenInclude(x => x.Component)
+             .FirstOrDefault(x => (!string.IsNullOrEmpty(model.FlowerName) &&
+            x.FlowerName == model.FlowerName) ||
+            (model.Id.HasValue && x.Id ==
+            model.Id))
+            ?.GetViewModel;
+        }
+        public FlowerViewModel? Insert(FlowerBindingModel model)
+        {
+            using var context = new FlowerShopDataBase();
+            var newFlower = Flower.Create(context, model);
+            if (newFlower == null)
+            {
+                return null;
+            }
+            context.Flowers.Add(newFlower);
+            context.SaveChanges();
+            return newFlower.GetViewModel;
+        }
+        public FlowerViewModel? Update(FlowerBindingModel model)
+        {
+            using var context = new FlowerShopDataBase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var flower = context.Flowers.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (flower == null)
+                {
+                    return null;
+                }
+                flower.Update(model);
+                context.SaveChanges();
+                flower.UpdateComponents(context, model);
+                transaction.Commit();
+                return flower.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public FlowerViewModel? Delete(FlowerBindingModel model)
+        {
+            using var context = new FlowerShopDataBase();
+            var element = context.Flowers
+            .Include(x => x.Components)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Flowers.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FlowerShopDatabaseImplement/Migrations/20240324171319_InitialCreate.Designer.cs

@@ -0,0 +1,249 @@
+// <auto-generated />
+using System;
+using FlowerShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FlowerShopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FlowerShopDataBase))]
+    [Migration("20240324171319_InitialCreate")]
+    partial class InitialCreate
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder, 1L, 1);
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Flower", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("FlowerName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Flowers");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.FlowerComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("FlowerId");
+
+                    b.ToTable("FlowerComponents");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FlowerId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("DateOpen")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("MaxCapacity")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.ShopFlower", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FlowerId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopFlowers");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.FlowerComponent", b =>
+                {
+                    b.HasOne("FlowerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("FlowerComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FlowerShopDatabaseImplement.Models.Flower", "Flower")
+                        .WithMany("Components")
+                        .HasForeignKey("FlowerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Flower");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FlowerShopDatabaseImplement.Models.Flower", "Flower")
+                        .WithMany("Orders")
+                        .HasForeignKey("FlowerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Flower");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.ShopFlower", b =>
+                {
+                    b.HasOne("FlowerShopDatabaseImplement.Models.Flower", "Flower")
+                        .WithMany("ShopFlowers")
+                        .HasForeignKey("FlowerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FlowerShopDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("Flowers")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Flower");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("FlowerComponents");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Flower", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+
+                    b.Navigation("ShopFlowers");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Flowers");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FlowerShopDatabaseImplement/Migrations/20240324171319_InitialCreate.cs

@@ -0,0 +1,181 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FlowerShopDatabaseImplement.Migrations
+{
+    public partial class InitialCreate : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ComponentName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Cost = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Flowers",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    FlowerName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Flowers", x => x.Id);
+                });
+
+            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),
+                    DateOpen = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    MaxCapacity = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Shops", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "FlowerComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    FlowerId = table.Column<int>(type: "int", nullable: false),
+                    ComponentId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_FlowerComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_FlowerComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_FlowerComponents_Flowers_FlowerId",
+                        column: x => x.FlowerId,
+                        principalTable: "Flowers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Count = table.Column<int>(type: "int", nullable: false),
+                    Sum = table.Column<double>(type: "float", nullable: false),
+                    Status = table.Column<int>(type: "int", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    FlowerId = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Flowers_FlowerId",
+                        column: x => x.FlowerId,
+                        principalTable: "Flowers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ShopFlowers",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    FlowerId = 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_ShopFlowers", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ShopFlowers_Flowers_FlowerId",
+                        column: x => x.FlowerId,
+                        principalTable: "Flowers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ShopFlowers_Shops_ShopId",
+                        column: x => x.ShopId,
+                        principalTable: "Shops",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_FlowerComponents_ComponentId",
+                table: "FlowerComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_FlowerComponents_FlowerId",
+                table: "FlowerComponents",
+                column: "FlowerId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_FlowerId",
+                table: "Orders",
+                column: "FlowerId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopFlowers_FlowerId",
+                table: "ShopFlowers",
+                column: "FlowerId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopFlowers_ShopId",
+                table: "ShopFlowers",
+                column: "ShopId");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "FlowerComponents");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "ShopFlowers");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Flowers");
+
+            migrationBuilder.DropTable(
+                name: "Shops");
+        }
+    }
+}

FlowerShopDatabaseImplement/Migrations/FlowerShopDataBaseModelSnapshot.cs

@@ -0,0 +1,247 @@
+// <auto-generated />
+using System;
+using FlowerShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FlowerShopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FlowerShopDataBase))]
+    partial class FlowerShopDataBaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder, 1L, 1);
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Flower", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("FlowerName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Flowers");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.FlowerComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("FlowerId");
+
+                    b.ToTable("FlowerComponents");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FlowerId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("DateOpen")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("MaxCapacity")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.ShopFlower", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FlowerId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopFlowers");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.FlowerComponent", b =>
+                {
+                    b.HasOne("FlowerShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("FlowerComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FlowerShopDatabaseImplement.Models.Flower", "Flower")
+                        .WithMany("Components")
+                        .HasForeignKey("FlowerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Flower");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FlowerShopDatabaseImplement.Models.Flower", "Flower")
+                        .WithMany("Orders")
+                        .HasForeignKey("FlowerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Flower");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.ShopFlower", b =>
+                {
+                    b.HasOne("FlowerShopDatabaseImplement.Models.Flower", "Flower")
+                        .WithMany("ShopFlowers")
+                        .HasForeignKey("FlowerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FlowerShopDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("Flowers")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Flower");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("FlowerComponents");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Flower", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+
+                    b.Navigation("ShopFlowers");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Flowers");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FlowerShopDatabaseImplement/Order.cs

@@ -0,0 +1,73 @@
+using FlowerShopDataModels;
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.ViewModels;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using FlowerShopDataModels.Enums;
+
+namespace FlowerShopDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public int Count { get; private set; }
+        [Required]
+        public double Sum { get; private set; }
+        [Required]
+        public OrderStatus Status { get; private set; }
+        [Required]
+        public DateTime DateCreate { get; private set; }
+        public DateTime? DateImplement { get; private set; }
+        [Required]
+        public int FlowerId { get; private set; }
+       public virtual Flower? Flower { get; private set; }
+
+        public static Order? Create(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+                FlowerId = model.FlowerId,
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            FlowerId = FlowerId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            FlowerName = Flower?.FlowerName ?? String.Empty ,
+            Id = Id,
+        };
+
+    }
+}

FlowerShopDatabaseImplement/OrderStorage.cs

@@ -0,0 +1,83 @@
+using FlowerShopContracts.StoragesContracts;
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDatabaseImplement.Models;
+
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new FlowerShopDataBase();
+            return context.Orders.Include(x => x.Flower)
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new FlowerShopDataBase();
+            return context.Orders.Include(x => x.Flower)
+            .Where(x => x.Id == model.Id)
+           .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FlowerShopDataBase();
+            return context.Orders.Include(x => x.Flower).FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            using var context = new FlowerShopDataBase();
+            var newOrder = Order.Create( model);
+            if (newOrder == null)
+            {
+                return null;
+            }  
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return newOrder.GetViewModel;
+        }
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new FlowerShopDataBase();
+            var order = context.Orders.Include(x => x.Flower).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 FlowerShopDataBase();
+            var element = context.Orders.Include(x => x.Flower).FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FlowerShopDatabaseImplement/Shop.cs

@@ -0,0 +1,116 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopDatabaseImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string ShopName { get; private set; }
+        [Required]
+        public string Address { get; private set; }
+        [Required]
+        public DateTime DateOpen { get; private set; }
+        [Required]
+        public int MaxCapacity { get; private set; }
+        private Dictionary<int, (IFlowerModel, int)>? _shopFlowers =
+       null;
+        [NotMapped]
+        public Dictionary<int, (IFlowerModel, int)> ShopFlowers
+        {
+            get
+            {
+                if (_shopFlowers == null)
+                {
+                    _shopFlowers = Flowers
+                    .ToDictionary(x => x.FlowerId, x =>
+                   (x.Flower as IFlowerModel, x.Count));
+                }
+                return _shopFlowers;
+            }
+        }
+        [ForeignKey("ShopId")]
+        public virtual List<ShopFlower> Flowers { get; set; } = new();
+        public static Shop? Create(FlowerShopDataBase context, ShopBindingModel model)
+        {
+            if (model == null)
+                return null;
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                DateOpen = model.DateOpen,
+                MaxCapacity = model.MaxCapacity,
+                Flowers = model.ShopFlowers.Select(x => new
+               ShopFlower
+                {
+                    Flower = context.Flowers.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ShopName = model.ShopName;
+            Address = model.Address;
+            DateOpen = model.DateOpen;
+            MaxCapacity = model.MaxCapacity;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            DateOpen = DateOpen,
+            ShopFlowers = ShopFlowers,
+            MaxCapacity = MaxCapacity
+        };
+
+        public void UpdateFlowers(FlowerShopDataBase context, ShopBindingModel model)
+        {
+            var shopFlowers = context.ShopFlowers.Where(rec =>
+           rec.ShopId == model.Id).ToList();
+            if (shopFlowers != null && shopFlowers.Count > 0)
+            {
+                context.ShopFlowers.RemoveRange(shopFlowers.Where(rec => !model.ShopFlowers.ContainsKey(rec.ShopId)));
+
+                context.SaveChanges();
+                foreach (var updateFlower in shopFlowers)
+                {
+                    updateFlower.Count =
+                   model.ShopFlowers[updateFlower.FlowerId].Item2;
+                    model.ShopFlowers.Remove(updateFlower.FlowerId);
+                }
+                context.SaveChanges();
+            }
+            var shop = context.Shops.First(x => x.Id == Id);
+            foreach (var pc in model.ShopFlowers)
+            {
+                context.ShopFlowers.Add(new ShopFlower
+                {
+                    Shop = shop,
+                    Flower = context.Flowers.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _shopFlowers = null;
+        }
+    }
+}

FlowerShopDatabaseImplement/ShopFlower.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopDatabaseImplement.Models
+{
+    public class ShopFlower
+    {
+        public int Id { get; set; }
+        [Required]
+        public int FlowerId { get; set; }
+        [Required]
+        public int ShopId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Shop Shop { get; set; } = new();
+        public virtual Flower Flower { get; set; } = new();
+    }
+}

FlowerShopDatabaseImplement/ShopStorage.cs

@@ -0,0 +1,153 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.StoragesContracts;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDatabaseImplement.Models;
+using FlowerShopDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopDatabaseImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            using var context = new FlowerShopDataBase();
+            var element = context.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                context.Shops.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FlowerShopDataBase();
+            return context.Shops
+                .Include(x => x.Flowers)
+                .ThenInclude(x => x.Flower)
+                .FirstOrDefault(x => 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 FlowerShopDataBase();
+            return context.Shops
+                .Include(x => x.Flowers)
+                .ThenInclude(x => x.Flower)
+                .Select(x => x.GetViewModel)
+                .Where(x => x.ShopName.Contains(model.Name ?? string.Empty))
+                .ToList();
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            using var context = new FlowerShopDataBase();
+            return context.Shops
+            .Include(x => x.Flowers)
+                .ThenInclude(x => x.Flower)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            using var context = new FlowerShopDataBase();
+            try
+            {
+                var newShop = Shop.Create(context, model);
+                if (newShop == null)
+                {
+                    return null;
+                }
+                if (context.Shops.Any(x => x.ShopName == newShop.ShopName))
+                {
+                    throw new Exception("Не должно быть два магазина с одним названием");
+                }
+                context.Shops.Add(newShop);
+                context.SaveChanges();
+                return newShop.GetViewModel;
+            }
+            catch
+            {
+                throw;
+            }
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            using var context = new FlowerShopDataBase();
+            var shop = context.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (shop == null)
+            {
+                return null;
+            }
+            try
+            {
+                if (context.Shops.Any(x => (x.ShopName == model.ShopName && x.Id != model.Id)))
+                {
+                    throw new Exception("Не должно быть два магазина с одним названием");
+                }
+                shop.Update(model);
+                shop.UpdateFlowers(context, model);
+                context.SaveChanges();
+                return shop.GetViewModel;
+            }
+            catch
+            {
+                throw;
+            }
+        }
+        public bool SellFlowers(IFlowerModel model, int count)
+        {
+            if (model == null)
+                return false;
+            using var context = new FlowerShopDataBase();
+            using var transaction = context.Database.BeginTransaction();
+            List<ShopFlower> lst = new List<ShopFlower>();
+            foreach (var el in context.ShopFlowers.Where(x => x.FlowerId == model.Id))
+            {
+                int dif = count;
+                if (el.Count < dif)
+                    dif = el.Count;
+                el.Count -= dif;
+                count -= dif;
+                if (el.Count == 0)
+                {
+                    lst.Add(el);
+                }
+                if (count == 0)
+                    break;
+            }
+            if (count > 0)
+            {
+                transaction.Rollback();
+                return false;
+            }
+            foreach (var el in lst)
+            {
+                context.ShopFlowers.Remove(el);
+            }
+            context.SaveChanges();
+            transaction.Commit();
+            return true;
+        }
+    }
+}

ProjectFlowerShop.sln

@@ -13,7 +13,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FlowerShopBusinessLogic", "
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FlowerShopListImplement", "FlowerShopListImplement\FlowerShopListImplement.csproj", "{62DAA9A0-9A71-4117-8D06-8825E1678D9D}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FlowerShopFileImplement", "FlowerShopFileImplement\FlowerShopFileImplement.csproj", "{0CFC7A18-2E56-4D0B-80AD-F52893222027}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FlowerShopFileImplement", "FlowerShopFileImplement\FlowerShopFileImplement.csproj", "{0CFC7A18-2E56-4D0B-80AD-F52893222027}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FlowerShopDatabaseImplement", "FlowerShopDatabaseImplement\FlowerShopDatabaseImplement.csproj", "{BD9FDCBB-1EE0-4726-85B7-4B9C6D40F761}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -45,6 +47,10 @@ Global
 		{0CFC7A18-2E56-4D0B-80AD-F52893222027}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{0CFC7A18-2E56-4D0B-80AD-F52893222027}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{0CFC7A18-2E56-4D0B-80AD-F52893222027}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BD9FDCBB-1EE0-4726-85B7-4B9C6D40F761}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BD9FDCBB-1EE0-4726-85B7-4B9C6D40F761}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BD9FDCBB-1EE0-4726-85B7-4B9C6D40F761}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BD9FDCBB-1EE0-4726-85B7-4B9C6D40F761}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

ProjectFlowerShop/MainForm.cs

@@ -34,10 +34,7 @@ namespace ProjectFlowerShop
             {
                 form.ShowDialog();
             }
-
         }
-
-
         private void MainForm_Load(object sender, EventArgs e)
         {
             LoadData();

ProjectFlowerShop/Program.cs

@@ -1,7 +1,7 @@
 using FlowerShopBusinessLogic.BusinessLogic;
 using FlowerShopContracts.BusinessLogicsContracts;
 using FlowerShopContracts.StoragesContracts;
-using FlowerShopFileImplement.Implements;
+using FlowerShopDatabaseImplement.Implements;
 using ProjectFlowerShop;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;

ProjectFlowerShop/ProjectFlowerShop.csproj

@@ -9,6 +9,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="6.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
   </ItemGroup>
@@ -16,6 +20,7 @@
   <ItemGroup>
     <ProjectReference Include="..\FlowerShopBusinessLogic\FlowerShopBusinessLogic.csproj" />
     <ProjectReference Include="..\FlowerShopContracts\FlowerShopContracts.csproj" />
+    <ProjectReference Include="..\FlowerShopDatabaseImplement\FlowerShopDatabaseImplement.csproj" />
     <ProjectReference Include="..\FlowerShopDataModels\FlowerShopDataModels.csproj" />
     <ProjectReference Include="..\FlowerShopFileImplement\FlowerShopFileImplement.csproj" />
     <ProjectReference Include="..\FlowerShopListImplement\FlowerShopListImplement.csproj" />