Added session first implementation:

+ Added session in the database and added session controller
+ Added session in authorize attribute/Login
+ Added Logout function
* Refactor database models

Step.Database/Controllers/FunctionsAccessController.cs

@@ -6,11 +6,11 @@ using Step.Model.DTOModels;
 
 namespace Step.Database.Controllers
 {
-    public class FunctionAccessController : IDisposable
+    public class FunctionsAccessController : IDisposable
     {
         private DatabaseContext dbCtx;
 
-        public FunctionAccessController()
+        public FunctionsAccessController()
         {
             // Initialize database context
             dbCtx = new DatabaseContext();

Step.Database/Controllers/MachinesController.cs

@@ -5,11 +5,11 @@ using static Step.Config.ServerConfig;
 
 namespace Step.Database.Controllers
 {
-    public class MachineController : IDisposable
+    public class MachinesController : IDisposable
     {
         private DatabaseContext dbCtx;
 
-        public MachineController()
+        public MachinesController()
         {
             // Initialize database context
             dbCtx = new DatabaseContext();

Step.Database/Controllers/MachinesUsersController.cs

@@ -24,7 +24,7 @@ namespace Step.Database.Controllers
             dbCtx.Dispose();
         }
 
-        public MachinesUsersModel FindByUserId(int machineId, int userId)
+        public MachineUserModel FindByUserId(int machineId, int userId)
         {
             return dbCtx
                 .MachinesUsers
@@ -34,9 +34,9 @@ namespace Step.Database.Controllers
 
         }
 
-        public MachinesUsersModel Create(int machineId, int userId, int roleId)
+        public MachineUserModel Create(int machineId, int userId, int roleId)
         {
-            MachinesUsersModel machine = new MachinesUsersModel() { MachineId = machineId, UserId = userId, RoleId = roleId };
+            MachineUserModel machine = new MachineUserModel() { MachineId = machineId, UserId = userId, RoleId = roleId };
             dbCtx.MachinesUsers.Add(
                 machine
             );

Step.Database/Controllers/SessionsController.cs

@@ -0,0 +1,73 @@
+using Step.Model.DatabaseModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Step.Database.Controllers
+{
+    public class SessionsController : IDisposable
+    {
+        private DatabaseContext dbCtx;
+
+        public SessionsController()
+        {
+            // Initialize database context
+            dbCtx = new DatabaseContext();
+        }
+
+        public void Dispose()
+        {
+            // Clear database context
+            dbCtx.Dispose();
+        }
+
+        public SessionModel FindSessionByToken(string token)
+        {
+            return dbCtx
+                .Sessions
+                .Where(x => x.Token == token) // Find session by token
+                .SingleOrDefault();
+        }
+
+        public void DeleteUserSessions(int machineUserId)
+        {
+            dbCtx
+                .Sessions
+                .RemoveRange( // Delete rows
+                    dbCtx
+                    .Sessions
+                    .Where(x => x.MachineUserId == machineUserId) // Find all the session with matching machineUserId 
+                );
+            // Commit changes
+            dbCtx.SaveChanges();
+        }
+
+        public void DeleteSessionsByUserAndMachineId(int machineId, int userId)
+        {
+            MachineUserModel machineUser = null;
+            using (MachinesUsersController machinesUsersController = new MachinesUsersController())
+            {
+                // Find machine_user id
+                machineUser = machinesUsersController.FindByUserId(machineId, userId);
+            }
+
+            DeleteUserSessions(machineUser.MachineUserId);
+        }
+
+        public void Create(int machineUserId, string token)
+        {
+            // Create session model
+            SessionModel session = new SessionModel()
+            {
+                MachineUserId = machineUserId,
+                Token = token
+            };
+            // Add to database
+            dbCtx.Sessions.Add(session);
+            // Commit changes
+            dbCtx.SaveChanges();
+        }
+    }
+}

Step.Database/Controllers/UsersController.cs

@@ -117,12 +117,12 @@ namespace Step.Database.Controllers
                 dbCtx.SaveChanges();
             }
 
-            using (MachinesUsersController machineUserController = new MachinesUsersController())
+            using (MachinesUsersController machinesUsersController = new MachinesUsersController())
             {
-                MachinesUsersModel machineUser = machineUserController.FindByUserId(machineId, user.UserId);
+                MachineUserModel machineUser = machinesUsersController.FindByUserId(machineId, user.UserId);
 
                 if (machineUser == null)
-                    machineUserController.Create(machineId, user.UserId, 1);
+                    machinesUsersController.Create(machineId, user.UserId, 1);
             }
         }