[WIP] added api read session data

app/src/main/java/com/faraphel/tasks_valider/connectivity/task/session/TaskSession.kt

@@ -1,10 +1,13 @@
 package com.faraphel.tasks_valider.connectivity.task.session
 
+import kotlinx.serialization.Serializable
+
 
 /**
  * store the data of a session in the task system
  * @param role the role accorded to the session
  */
+@Serializable
 data class TaskSession(
     var role: TaskRole = TaskRole.STUDENT
 )

app/src/main/java/com/faraphel/tasks_valider/connectivity/task/session/TaskSessionManager.kt

@@ -94,7 +94,20 @@ class TaskSessionManager {
         when (method) {
             // get a client session data
             NanoHTTPD.Method.GET -> {
-                TODO("Faraphel: implement get")
+                // check the permission of the session
+                if (taskSession.role.permissions.contains(TaskPermission.READ))
+                    return NanoHTTPD.newFixedLengthResponse(
+                        NanoHTTPD.Response.Status.FORBIDDEN,
+                        "text/plain",
+                        "Forbidden"
+                    )
+
+                // return the session data
+                return NanoHTTPD.newFixedLengthResponse(
+                    NanoHTTPD.Response.Status.OK,
+                    "application/json",
+                    jsonParser.toJson(taskSession)
+                )
             }
             // change a client session data
             NanoHTTPD.Method.POST -> {