fix models in databaseimplement

FlowerShop/FlowerShopDatabaseImplement/Migrations/20240517110322_InitCreate.Designer.cs

@@ -0,0 +1,247 @@
+// <auto-generated />
+using System;
+using FlowerShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace FlowerShopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FlowerShopDatabase))]
+    [Migration("20240517110322_InitCreate")]
+    partial class InitCreate
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.27")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Flower", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("FlowerName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Flowers");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.FlowerComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("FlowerId");
+
+                    b.ToTable("FlowerComponents");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FlowerId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("DateOpening")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("MaximumFlowers")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.ShopFlower", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("integer");
+
+                    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()
+                        .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");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Flowers");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FlowerShop/FlowerShopDatabaseImplement/Migrations/20240517110322_InitCreate.cs

@@ -0,0 +1,182 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace FlowerShopDatabaseImplement.Migrations
+{
+    public partial class InitCreate : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ComponentName = table.Column<string>(type: "text", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Flowers",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    FlowerName = table.Column<string>(type: "text", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Flowers", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Shops",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ShopName = table.Column<string>(type: "text", nullable: false),
+                    Address = table.Column<string>(type: "text", nullable: false),
+                    DateOpening = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    MaximumFlowers = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Shops", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "FlowerComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    FlowerId = table.Column<int>(type: "integer", nullable: false),
+                    ComponentId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", 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: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    FlowerId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false),
+                    Sum = table.Column<double>(type: "double precision", nullable: false),
+                    Status = table.Column<int>(type: "integer", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "timestamp without time zone", nullable: true)
+                },
+                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: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ShopId = table.Column<int>(type: "integer", nullable: false),
+                    FlowerId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", 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");
+        }
+    }
+}

FlowerShop/FlowerShopDatabaseImplement/Migrations/FlowerShopDatabaseModelSnapshot.cs

@@ -0,0 +1,245 @@
+// <auto-generated />
+using System;
+using FlowerShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#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", "6.0.27")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Flower", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("FlowerName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Flowers");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.FlowerComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("FlowerId");
+
+                    b.ToTable("FlowerComponents");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FlowerId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("DateOpening")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("MaximumFlowers")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.ShopFlower", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("FlowerId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("integer");
+
+                    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()
+                        .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");
+                });
+
+            modelBuilder.Entity("FlowerShopDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Flowers");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FlowerShop/FlowerShopDatabaseImplement/Models/Flower.cs

@@ -32,6 +32,8 @@ namespace FlowerShopDatabaseImplement.Models
         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()

FlowerShop/FlowerShopDatabaseImplement/Models/Order.cs

@@ -9,7 +9,9 @@ namespace FlowerShopDatabaseImplement.Models
     public class Order : IOrderModel
     {
         public int Id { get; private set; }
+        [Required]
         public int FlowerId { get; private set; }
+        public virtual Flower Flower { get; private set; }
         [Required]
         public int Count { get; set; }
         [Required]