feat(dal): в таблице Order поле Number уникальное

PARR.DAL/Migrations/20240215064401_tblOrdersNamberIsUnique.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace PARR.DAL.Migrations
+{
+    /// <inheritdoc />
+    public partial class tblOrdersNamberIsUnique : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_Number",
+                table: "Orders",
+                column: "Number",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_Orders_Number",
+                table: "Orders");
+        }
+    }
+}

PARR.DAL/Migrations/DataContextModelSnapshot.cs

@@ -1341,6 +1341,9 @@ namespace PARR.DAL.Migrations
 
                     b.HasIndex("NextStatusCode");
 
+                    b.HasIndex("Number")
+                        .IsUnique();
+
                     b.HasIndex("StatusCode");
 
                     b.HasIndex("TemplateId");

PARR.DAL/Models/Order.cs

@@ -1,4 +1,5 @@
-using PARR.DAL.Models.Base;
+using Microsoft.EntityFrameworkCore;
+using PARR.DAL.Models.Base;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 
@@ -8,6 +9,7 @@ namespace PARR.DAL.Models
     /// Наряды ЕСПП
     /// </summary>
     [Table("Orders")]
+    [Index(nameof(Number), IsUnique = true)]
     public class Order : IBase
     {
         [Key]