#264 adding db migration

RMuseum/Migrations/20211218155310_RecitationUserUpVotes.cs

@@ -0,0 +1,56 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace RMuseum.Migrations
+{
+    public partial class RecitationUserUpVotes : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "RecitationUserUpVotes",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    RecitationId = table.Column<int>(type: "int", nullable: false),
+                    UserId = table.Column<Guid>(type: "uniqueidentifier", nullable: true),
+                    DateTime = table.Column<DateTime>(type: "datetime2", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_RecitationUserUpVotes", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_RecitationUserUpVotes_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_RecitationUserUpVotes_Recitations_RecitationId",
+                        column: x => x.RecitationId,
+                        principalTable: "Recitations",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RecitationUserUpVotes_RecitationId_UserId",
+                table: "RecitationUserUpVotes",
+                columns: new[] { "RecitationId", "UserId" },
+                unique: true,
+                filter: "[UserId] IS NOT NULL");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RecitationUserUpVotes_UserId",
+                table: "RecitationUserUpVotes",
+                column: "UserId");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "RecitationUserUpVotes");
+        }
+    }
+}