refactor(back-end): Remove unnecessary handover from user role

The user's role is already registered in the token that is generated for it, therefore it is not necessary to search for the user and his role when he connects

Kaizen/Hubs/ActivityHub.cs

@@ -4,8 +4,5 @@ namespace Kaizen.Hubs
 {
     public class ActivityHub : BaseHub
     {
-        public ActivityHub(IApplicationUserRepository applicationUserRepository) : base(applicationUserRepository)
-        {
-        }
     }
 }

Kaizen/Hubs/ApplicationUserHub.cs

@@ -6,8 +6,5 @@ namespace Kaizen.Hubs
     [Authorize]
     public class ApplicationUserHub : BaseHub
     {
-        public ApplicationUserHub(IApplicationUserRepository applicationUserRepository) : base(applicationUserRepository)
-        {
-        }
     }
 }

Kaizen/Hubs/BaseHub.cs

@@ -1,6 +1,6 @@
+using System;
+using System.Security.Claims;
 using System.Threading.Tasks;
-using Kaizen.Domain.Entities;
-using Kaizen.Domain.Repositories;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.SignalR;
 
@@ -9,33 +9,17 @@ namespace Kaizen.Hubs
     [Authorize]
     public abstract class BaseHub : Hub
     {
-        private readonly IApplicationUserRepository _applicationUserRepository;
-
-        protected BaseHub(IApplicationUserRepository applicationUserRepository)
-        {
-            _applicationUserRepository = applicationUserRepository;
-        }
-
         public override async Task OnConnectedAsync()
         {
             if (Context.User?.Identity != null)
             {
-                string userName = Context.User.Identity.Name;
-
-                if (string.IsNullOrEmpty(userName))
-                {
-                    return;
-                }
-
-                ApplicationUser user = await _applicationUserRepository.FindByNameAsync(userName);
-
-                if (user is null)
+                string userRole = Context.User.FindFirst(ClaimTypes.Role)?.Value;
+                if (string.IsNullOrEmpty(userRole))
                 {
                     return;
                 }
 
-                string role = await _applicationUserRepository.GetUserRoleAsync(user);
-                await Groups.AddToGroupAsync(Context.ConnectionId, role);
+                await Groups.AddToGroupAsync(Context.ConnectionId, userRole);
             }
 
             await base.OnConnectedAsync();

Kaizen/Hubs/ClientHub.cs

@@ -4,8 +4,5 @@ namespace Kaizen.Hubs
 {
     public class ClientHub : BaseHub
     {
-        public ClientHub(IApplicationUserRepository applicationUserRepository) : base(applicationUserRepository)
-        {
-        }
     }
 }

Kaizen/Hubs/EmployeeLocationHub.cs

@@ -7,10 +7,6 @@ namespace Kaizen.Hubs
 {
     public class EmployeeLocationHub : BaseHub
     {
-        public EmployeeLocationHub(IApplicationUserRepository applicationUserRepository) : base(applicationUserRepository)
-        {
-        }
-
         public async Task UpdateEmployeeLocation(EmployeeLocation employeeLocation)
         {
             await Clients.Group("Administrator").SendAsync("OnUpdateEmployeeLocation", employeeLocation);

Kaizen/Hubs/InvoiceHub.cs

@@ -4,8 +4,5 @@ namespace Kaizen.Hubs
 {
     public class InvoiceHub : BaseHub
     {
-        public InvoiceHub(IApplicationUserRepository applicationUserRepository) : base(applicationUserRepository)
-        {
-        }
     }
 }

Kaizen/Hubs/ServiceRequestHub.cs

@@ -4,8 +4,5 @@ namespace Kaizen.Hubs
 {
     public class ServiceRequestHub : BaseHub
     {
-        public ServiceRequestHub(IApplicationUserRepository applicationUserRepository) : base(applicationUserRepository)
-        {
-        }
     }
 }