feat(dal): таблица WeekendDays поле Date - уникальное значение

PARR.DAL/Migrations/20240913020518_tblWeekendDaysAddUnique.cs

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

PARR.DAL/Migrations/DataContextModelSnapshot.cs

@@ -2422,6 +2422,9 @@ namespace PARR.DAL.Migrations
 
                     b.HasKey("Id");
 
+                    b.HasIndex("Date")
+                        .IsUnique();
+
                     b.ToTable("WeekendDays");
                 });
 

PARR.DAL/Models/WeekendDay.cs

@@ -1,10 +1,12 @@
-using PARR.DAL.Models.Base;
+using Microsoft.EntityFrameworkCore;
+using PARR.DAL.Models.Base;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 
 namespace PARR.DAL.Models
 {
     [Table("WeekendDays")]
+    [Index(nameof(Date), IsUnique = true)]
     public class WeekendDay : IBase
     {
         [Key]