Add admin roles, user management, and campaign deletion

RpgRoller/Migrations/20260226160859_AddAuthorizationRolesAndCampaignDeletion.cs

@@ -0,0 +1,55 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace RpgRoller.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddAuthorizationRolesAndCampaignDeletion : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "Roles",
+                table: "Users",
+                type: "TEXT",
+                maxLength: 256,
+                nullable: false,
+                defaultValue: "admin");
+
+            migrationBuilder.AlterColumn<Guid>(
+                name: "CampaignId",
+                table: "Characters",
+                type: "TEXT",
+                nullable: true,
+                oldClrType: typeof(Guid),
+                oldType: "TEXT");
+
+            migrationBuilder.Sql("""
+                UPDATE Users
+                SET Roles = 'admin'
+                WHERE Roles IS NULL OR TRIM(Roles) = '';
+                """);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Roles",
+                table: "Users");
+
+            migrationBuilder.AlterColumn<Guid>(
+                name: "CampaignId",
+                table: "Characters",
+                type: "TEXT",
+                nullable: false,
+                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"),
+                oldClrType: typeof(Guid),
+                oldType: "TEXT",
+                oldNullable: true);
+        }
+    }
+}