Метод, отдающий количество непрочитанных уведомлений

AsbCloudApp/Repositories/INotificationRepository.cs

@@ -1,8 +1,8 @@
-using System.Threading;
-using System.Threading.Tasks;
 using AsbCloudApp.Data;
 using AsbCloudApp.Requests;
 using AsbCloudApp.Services;
+using System.Threading;
+using System.Threading.Tasks;
 
 namespace AsbCloudApp.Repositories;
 
@@ -11,14 +11,23 @@ namespace AsbCloudApp.Repositories;
 /// </summary>
 public interface INotificationRepository : ICrudRepository<NotificationDto>
 {
-	/// <summary>
-	/// Получение уведомлений по параметрам
-	/// </summary>
-	/// <param name="idUser"></param>
-	/// <param name="request"></param>
-	/// <param name="cancellationToken"></param>
-	/// <returns></returns>
-	Task<PaginationContainer<NotificationDto>> GetNotificationsAsync(int idUser,
-		NotificationRequest request,
-		CancellationToken cancellationToken);
+    /// <summary>
+    /// Получение уведомлений по параметрам
+    /// </summary>
+    /// <param name="idUser"></param>
+    /// <param name="request"></param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    Task<PaginationContainer<NotificationDto>> GetNotificationsAsync(int idUser,
+        NotificationRequest request,
+        CancellationToken cancellationToken);
+
+    /// <summary>
+    /// Получение количества непрочтенных уведомлений
+    /// </summary>
+    /// <param name="idUser"></param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    Task<int> GetUnreadCountAsync(int idUser,
+        CancellationToken cancellationToken);
 }

AsbCloudInfrastructure/Repository/NotificationRepository.cs

@@ -54,7 +54,18 @@ public class NotificationRepository : CrudRepositoryBase<NotificationDto, Notifi
 		return result;
 	}
 
-	private IQueryable<Notification> BuildQuery(int idUser, 
+
+    public async Task<int> GetUnreadCountAsync(int idUser, CancellationToken cancellationToken)
+    {
+		var count = await dbContext.Notifications
+			.Where(n => n.ReadDate == null)
+			.Where(n => n.IdUser == idUser)
+			.CountAsync(cancellationToken);
+
+		return count;
+    }
+
+    private IQueryable<Notification> BuildQuery(int idUser, 
 		NotificationRequest request)
 	{
 		var query = dbContext.Notifications

AsbCloudWebApi/Controllers/NotificationController.cs

@@ -111,13 +111,33 @@ public class NotificationController : ControllerBase
 		return Ok(result);
 	}
 
-	/// <summary>
-	/// Удаление уведомления
-	/// </summary>
-	/// <param name="idNotification">Id уведомления</param>
-	/// <param name="cancellationToken"></param>
-	/// <returns></returns>
-	[HttpDelete]
+    /// <summary>
+    /// Получение количества непрочитанных уведомлений
+    /// </summary>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    [HttpGet]
+    [Route("unreadNotificationCount")]
+	[ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
+    public async Task<IActionResult> GetUnreadCountAsync(CancellationToken cancellationToken)
+    {
+        int? idUser = User.GetUserId();
+
+        if (!idUser.HasValue)
+            return Forbid();
+
+        var result = await notificationRepository.GetUnreadCountAsync(idUser.Value, cancellationToken);
+
+        return Ok(result);
+    }
+
+    /// <summary>
+    /// Удаление уведомления
+    /// </summary>
+    /// <param name="idNotification">Id уведомления</param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    [HttpDelete]
 	[Route("delete")]
 	public async Task<IActionResult> DeleteAsync([Required] int idNotification,
 		CancellationToken cancellationToken)