diff --git a/WebAPI/Migrations/20240703171630_AfterCodeRefactor.Designer.cs b/WebAPI/Migrations/20240703171630_AfterCodeRefactor.Designer.cs
new file mode 100644
index 0000000..0807004
--- /dev/null
+++ b/WebAPI/Migrations/20240703171630_AfterCodeRefactor.Designer.cs
@@ -0,0 +1,319 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using WebAPI;
+
+#nullable disable
+
+namespace WebAPI.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20240703171630_AfterCodeRefactor")]
+    partial class AfterCodeRefactor
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("WebAPI.Models.Layer", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("CreatedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTime>("ModifiedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("ModifiedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<int>("Number")
+                        .HasColumnType("int");
+
+                    b.Property<Guid?>("ParentId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedById");
+
+                    b.HasIndex("ModifiedById");
+
+                    b.HasIndex("ParentId");
+
+                    b.ToTable("Layers");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.ProcessSource", b =>
+                {
+                    b.Property<Guid>("LayerId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<Guid>("SourceId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.HasKey("LayerId", "SourceId");
+
+                    b.HasIndex("SourceId");
+
+                    b.ToTable("ProcessSources");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Record", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("CreatedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Desc1")
+                        .HasMaxLength(1000)
+                        .HasColumnType("nvarchar(1000)");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("bit");
+
+                    b.Property<Guid>("LayerId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("ModifiedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid>("ModifiedById")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<double?>("Value1")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value10")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value11")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value12")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value13")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value14")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value15")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value16")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value17")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value18")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value19")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value2")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value20")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value21")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value22")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value23")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value24")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value25")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value26")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value27")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value28")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value29")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value3")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value30")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value31")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value32")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value4")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value5")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value6")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value7")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value8")
+                        .HasColumnType("float");
+
+                    b.Property<double?>("Value9")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedById");
+
+                    b.HasIndex("LayerId");
+
+                    b.HasIndex("ModifiedById");
+
+                    b.ToTable("Records");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Layer", b =>
+                {
+                    b.HasOne("WebAPI.Models.User", "CreatedBy")
+                        .WithMany()
+                        .HasForeignKey("CreatedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("WebAPI.Models.User", "ModifiedBy")
+                        .WithMany()
+                        .HasForeignKey("ModifiedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("WebAPI.Models.Layer", "Parent")
+                        .WithMany()
+                        .HasForeignKey("ParentId");
+
+                    b.Navigation("CreatedBy");
+
+                    b.Navigation("ModifiedBy");
+
+                    b.Navigation("Parent");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.ProcessSource", b =>
+                {
+                    b.HasOne("WebAPI.Models.Layer", "Source")
+                        .WithMany()
+                        .HasForeignKey("SourceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Source");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Record", b =>
+                {
+                    b.HasOne("WebAPI.Models.User", "CreatedBy")
+                        .WithMany()
+                        .HasForeignKey("CreatedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("WebAPI.Models.Layer", null)
+                        .WithMany("Records")
+                        .HasForeignKey("LayerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("WebAPI.Models.User", "ModifiedBy")
+                        .WithMany()
+                        .HasForeignKey("ModifiedById")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("CreatedBy");
+
+                    b.Navigation("ModifiedBy");
+                });
+
+            modelBuilder.Entity("WebAPI.Models.Layer", b =>
+                {
+                    b.Navigation("Records");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/WebAPI/Migrations/20240703171630_AfterCodeRefactor.cs b/WebAPI/Migrations/20240703171630_AfterCodeRefactor.cs
new file mode 100644
index 0000000..a178ca4
--- /dev/null
+++ b/WebAPI/Migrations/20240703171630_AfterCodeRefactor.cs
@@ -0,0 +1,135 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace WebAPI.Migrations
+{
+    /// <inheritdoc />
+    public partial class AfterCodeRefactor : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Desc2",
+                table: "Records");
+
+            migrationBuilder.DropColumn(
+                name: "Desc3",
+                table: "Records");
+
+            migrationBuilder.DropColumn(
+                name: "Desc4",
+                table: "Records");
+
+            migrationBuilder.DropColumn(
+                name: "Desc5",
+                table: "Records");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Email",
+                table: "Users",
+                type: "nvarchar(50)",
+                maxLength: 50,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "nvarchar(max)",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Desc1",
+                table: "Records",
+                type: "nvarchar(1000)",
+                maxLength: 1000,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "nvarchar(max)",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Code",
+                table: "Records",
+                type: "nvarchar(50)",
+                maxLength: 50,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "nvarchar(max)");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Name",
+                table: "Layers",
+                type: "nvarchar(50)",
+                maxLength: 50,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "nvarchar(max)");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Email",
+                table: "Users",
+                type: "nvarchar(max)",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "nvarchar(50)",
+                oldMaxLength: 50,
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Desc1",
+                table: "Records",
+                type: "nvarchar(max)",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "nvarchar(1000)",
+                oldMaxLength: 1000,
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Code",
+                table: "Records",
+                type: "nvarchar(max)",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "nvarchar(50)",
+                oldMaxLength: 50);
+
+            migrationBuilder.AddColumn<string>(
+                name: "Desc2",
+                table: "Records",
+                type: "nvarchar(max)",
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "Desc3",
+                table: "Records",
+                type: "nvarchar(max)",
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "Desc4",
+                table: "Records",
+                type: "nvarchar(max)",
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "Desc5",
+                table: "Records",
+                type: "nvarchar(max)",
+                nullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Name",
+                table: "Layers",
+                type: "nvarchar(max)",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "nvarchar(50)",
+                oldMaxLength: 50);
+            
+        }
+    }
+}