Initial commit

SIG.Web/AppCode/Notifications/Contracts/INotificationCenter.cs

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+using System.Collections.Generic;
+using SIG.Web.AppCode.Notifications.Models;
+
+namespace SIG.Web.AppCode.Notifications.Contracts
+{
+    public interface INotificationCenter
+    {
+        void Queue(NotificationMessage message);
+        void MarkAsShown(int notificationId, int userId);
+        IReadOnlyList<NotificationMessage> GetBellMessages(int userId);
+        int CountPending(int userId);
+    }
+}

SIG.Web/AppCode/Notifications/Hubs/NotificationHub.cs

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+using Microsoft.AspNet.SignalR;
+
+namespace SIG.Web.AppCode.Notifications.Hubs
+{
+    public class NotificationHub : Hub
+    {
+        public void Ping()
+        {
+            Clients.Caller.pong("SignalR is working.");
+        }
+    }
+}

SIG.Web/AppCode/Notifications/Models/NotificationMessage.cs

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+using System;
+
+namespace SIG.Web.AppCode.Notifications.Models
+{
+    [Serializable]
+    public sealed class NotificationMessage
+    {
+        public int CveNotificacion { get; set; }
+        public int CveUsuario { get; set; }
+        public string TipoNotificacion { get; set; }
+        public string EstadoNotificacion { get; set; }
+        public string Titulo { get; set; }
+        public string Mensaje { get; set; }
+        public string Url { get; set; }
+        public bool Leida { get; set; }
+        public bool MostradaEnCampana { get; set; }
+        public DateTime? FechaEnvio { get; set; }
+        public DateTime? FechaLectura { get; set; }
+        public DateTime FechaCreacion { get; set; }
+        public DateTime? FechaActualizacion { get; set; }
+    }
+}

SIG.Web/AppCode/Notifications/Services/DummyNotificationCenter.cs

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+using System.Collections.Generic;
+using System.Linq;
+using SIG.Web.AppCode.Notifications.Contracts;
+using SIG.Web.AppCode.Notifications.Models;
+
+namespace SIG.Web.AppCode.Notifications.Services
+{
+    public sealed class DummyNotificationCenter : INotificationCenter
+    {
+        private static readonly List<NotificationMessage> Items = new List<NotificationMessage>();
+
+        public void Queue(NotificationMessage message)
+        {
+            if (message == null) return;
+            message.CveNotificacion = Items.Count + 1;
+            message.FechaCreacion = System.DateTime.Now;
+            message.EstadoNotificacion = "Pendiente";
+            Items.Add(message);
+        }
+
+        public void MarkAsShown(int notificationId, int userId)
+        {
+            var item = Items.FirstOrDefault(x => x.CveNotificacion == notificationId && x.CveUsuario == userId);
+            if (item == null) return;
+            item.MostradaEnCampana = true;
+        }
+
+        public IReadOnlyList<NotificationMessage> GetBellMessages(int userId)
+        {
+            return Items.Where(x => x.CveUsuario == userId && !x.Leida).ToList();
+        }
+
+        public int CountPending(int userId)
+        {
+            return GetBellMessages(userId).Count;
+        }
+    }
+}