Added struct for user session

Author: PythonHacker24

config.yaml

@@ -1,7 +1,9 @@
 # backend environment configs
 app:
+  name: laclm
   version: v1.1
-  debug_mode: true 
+  debug_mode: true
+  session_timeout: 24
 
 # backend server deployment configs
 server:

config/app.go

@@ -5,6 +5,7 @@ type App struct {
 	Name      string `yaml:"name,omitempty"`
 	Version   string `yaml:"version,omitempty"`
 	DebugMode bool   `yaml:"debug_mode,omitempty"`
+	SessionTimeout	int	`yaml:"session_timeout,omitempty"`
 }
 
 /* normalization function */
@@ -22,5 +23,9 @@ func (a *App) Normalize() error {
 		we want production to be true
 	*/
 
+	if a.SessionTimeout == 0 {
+		a.SessionTimeout = 24
+	}
+
 	return nil
 }

internal/health/handler.go

@@ -5,7 +5,6 @@ import (
 	"net/http"
 
 	"go.uber.org/zap"
-	// "github.com/PythonHacker24/linux-acl-management-backend/internal/models"
 )
 
 /* health handler provides status check on the backend server */

internal/session/model.go

@@ -0,0 +1,17 @@
+package session
+
+import (
+	"container/list"
+	"sync"
+	"time"
+)
+
+/* session struct for a user */
+type Session struct {
+    Username            string
+    CurrentWorkingDir   string
+    Expiry              time.Time
+    Timer               *time.Timer
+    TransactionQueue    *list.List
+    Mutex               sync.Mutex
+}

internal/session/session.go

@@ -1,5 +1,27 @@
 package session
 
+import (
+	"container/list"
+	"time"
+
+	"github.com/PythonHacker24/linux-acl-management-backend/config"
+)
+
+/* for creating a session for user */
 func CreateSession(username string) {
+	session := Session{
+		Username: username,
+		Expiry:   time.Now().Add(time.Duration(config.BackendConfig.AppInfo.SessionTimeout) * time.Hour),
+		Timer: time.AfterFunc(time.Duration(config.BackendConfig.AppInfo.SessionTimeout)*time.Hour,
+			func() { ExpireSession(username) },
+		),
+		TransactionQueue:  list.New(),
+		CurrentWorkingDir: ".",
+	}
+
+}
+
+/* for expiring a session */
+func ExpireSession(username string) {
 
 }