consolidate Service interface and implementation classes

Oqtane.Client/Services/NotificationService.cs

@@ -8,6 +8,70 @@ using Oqtane.Documentation;
 
 namespace Oqtane.Services
 {
+    /// <summary>
+    /// Service to store and retrieve notifications (<see cref="Notification"/>)
+    /// </summary>
+    public interface INotificationService
+    {
+        /// <summary>
+        /// Return a list of notifications
+        /// </summary>
+        /// <param name="siteId"></param>
+        /// <param name="direction"></param>
+        /// <param name="userId"></param>
+        /// <returns></returns>
+        Task<List<Notification>> GetNotificationsAsync(int siteId, string direction, int userId);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="siteId"></param>
+        /// <param name="direction"></param>
+        /// <param name="userId"></param>
+        /// <param name="count"></param>
+        /// <param name="isRead"></param>
+        /// <returns></returns>
+        Task<List<Notification>> GetNotificationsAsync(int siteId, string direction, int userId, int count, bool isRead);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="siteId"></param>
+        /// <param name="direction"></param>
+        /// <param name="userId"></param>
+        /// <param name="isRead"></param>
+        /// <returns></returns>
+        Task<int> GetNotificationCountAsync(int siteId, string direction, int userId, bool isRead);
+
+        /// <summary>
+        /// Returns a specific notifications
+        /// </summary>
+        /// <param name="notificationId"></param>
+        /// <returns></returns>
+        Task<Notification> GetNotificationAsync(int notificationId);
+
+        /// <summary>
+        /// Creates a new notification
+        /// </summary>
+        /// <param name="notification"></param>
+        /// <returns></returns>
+        Task<Notification> AddNotificationAsync(Notification notification);
+
+        /// <summary>
+        /// Updates a existing notification
+        /// </summary>
+        /// <param name="notification"></param>
+        /// <returns></returns>
+        Task<Notification> UpdateNotificationAsync(Notification notification);
+
+        /// <summary>
+        /// Deletes a notification
+        /// </summary>
+        /// <param name="notificationId"></param>
+        /// <returns></returns>
+        Task DeleteNotificationAsync(int notificationId);
+    }
+
     [PrivateApi("Don't show in the documentation, as everything should use the Interface")]
     public class NotificationService : ServiceBase, INotificationService
     {