diff --git a/api.php b/api.php
index 4f4b582..fabf305 100644
--- a/api.php
+++ b/api.php
@@ -61,7 +61,9 @@
 
 
             case 'rechercher':
+
                 // Exemple URL: /api.php/chercher?req=math&duree=30&themes=algebre,geometrie
+                
                 $query = isset($_GET["req"]) ? $_GET["req"] : "";
                 $length = isset($_GET["duree"]) ? $_GET["duree"] : "";
                 $themes = isset($_GET["themes"]) ? explode(",", $_GET["themes"]) : [];
@@ -88,7 +90,7 @@
 
 
     if($_SERVER['REQUEST_METHOD'] === 'POST'){
-        
+        verifier_session();
         switch(array_pop($url_parts)){
             case "aj_doc":
                 try{
@@ -98,6 +100,15 @@
                     echo( json_encode(["status"=> "0","msg"=> $e->getMessage() ]) );
                 }
                 break;
+
+            case "valider_ensemble":
+                try{
+                    valider_ensemble($_POST["ensemble_id"]);
+                    echo(json_encode(["status"=>"1","msg"=>"Ensemble validé."]));
+                }catch(Exception $e){
+                    echo( json_encode(["status"=> "0","msg"=> $e->getMessage() ]) );
+                }
+                break;
             default:
                 echo(json_encode(["status"=> "2","msg"=> "Opération inconnue."]));
         }
diff --git a/bdd.php b/bdd.php
index 9b06372..63f20c5 100644
--- a/bdd.php
+++ b/bdd.php
@@ -203,7 +203,7 @@ function RechercheExercices($query, $length, $tags)
     global $conn;
 
     // Build the SQL query based on the search parameters
-    $sql = "SELECT * FROM documents AS d INNER JOIN ensembles AS e ON d.ensemble_id = e.id WHERE e.valide=TRUE";
+    $sql = "SELECT * FROM documents AS d INNER JOIN ensembles AS e ON d.ensemble_id = e.id WHERE e.valide=TRUE AND ";
 
     $conditions = [];
 
@@ -225,6 +225,8 @@ function RechercheExercices($query, $length, $tags)
         $conditions[] = implode(" AND ", $tagConditions);
     }
 
+
+
     $sql .= implode(" AND ", $conditions);
     //echo $sql;
     // Execute the query
@@ -243,6 +245,19 @@ function RechercheExercices($query, $length, $tags)
     $conn->close();
 
     return $exercises;
+
+
+
+
+}
+
+
+
+function valider_ensemble($ensembleId) {
+
+    $updateQuery = "UPDATE ensembles SET valide = 1 WHERE id = $ensembleId";
+    global $conn;
+    $conn->execute_query($updateQuery);
 }
 
 ?>
\ No newline at end of file
diff --git a/index.php b/index.php
index 9aa2c7c..b7477ec 100644
--- a/index.php
+++ b/index.php
@@ -37,7 +37,9 @@
     async function authenticate_user(){
         resp = await fetch("/annales/api.php/auth");
         data = await resp.json();
+        console.log("test");
         if(data.status == 1){
+            alert(1);
             document.getElementById("user_status").innerText = data["msg"];
         }
     }
@@ -58,6 +60,7 @@
   
 
         resp = await fetch("/annales/api.php/rechercher?req="+req);
+        
         data = await resp.json();
         if(data.status == 1){
             data.resultats.forEach(doc => {
diff --git a/readme.md b/readme.md
index b41f387..267697b 100644
--- a/readme.md
+++ b/readme.md
@@ -55,6 +55,8 @@ D'autres fonctionnalités seront ajoutées petit à petit. (si vous avez des sug
 
 ## TOUDOU : 
 
+
+
 ### téléverser.php :
 - ajouter un element "commentaire_doc_< i >" pour chaque document
 
diff --git a/session_verif.php b/session_verif.php
index 194444c..a18e31a 100644
--- a/session_verif.php
+++ b/session_verif.php
@@ -1,16 +1,19 @@
 <?php
 session_start();
 
-if(isset($_SESSION["utilisateur_authentifie"])){
-    // vérifie que la session ne dépasse pas 4h
-    if((time() - $_SESSION["heure_debut"]) > 3600*4){
-        session_destroy();
-        session_abort();
-        echo(json_encode(array("status"=> "3","msg"=>"Session expirée, veuillez vous reconnecter.")));
+function verifier_session(){
+    if(isset($_SESSION["utilisateur_authentifie"])){
+        // vérifie que la session ne dépasse pas 4h
+        if((time() - $_SESSION["heure_debut"]) > 3600*4){
+            session_destroy();
+            session_abort();
+            echo(json_encode(array("status"=> "3","msg"=>"Session expirée, veuillez vous reconnecter.")));
+        }
+    }else{
+        echo(json_encode(array("status"=> "0","msg"=> "Utilisateur non connecté.")));
+        exit;
     }
-}else{
-    echo(json_encode(array("status"=> "0","msg"=> "Utilisateur non connecté.")));
-    exit;
 }
 
+
 ?>
\ No newline at end of file
diff --git a/televerser.php b/televerser.php
index c6264c7..918f229 100644
--- a/televerser.php
+++ b/televerser.php
@@ -6,6 +6,10 @@
     <title>File Upload</title>
 </head>
 <body>
+<?php
+include("session_verif.php");
+verifier_session();
+?>
 
 <!-- Input to choose files -->
 
diff --git a/validation.php b/validation.php
index f685db2..657a6bb 100644
--- a/validation.php
+++ b/validation.php
@@ -33,7 +33,7 @@ function displayDocuments() {
 
 
         if (($row["ensemble_id"] != $ens_id) && ($ens_id != -1) ) {
-            echo "<p><a href='#' onclick='validateDocument({$ens_id})'>Valider l'ensembre</a></p>";
+            echo "<p><a href='#' onclick='valider_ensemble({$ens_id})'>Valider l'ensembre</a></p>";
             echo "</div>";
             $ens_id = $row["ensemble_id"];
         }
@@ -65,28 +65,12 @@ function displayDocuments() {
 
 
     // complète le formulaire du dernier ensemble itéré
-    echo "<p><a href='#' onclick='validateDocument({$ens_id})'>Valider l'ensembre</a></p>";
+    echo "<p><a href='#' onclick='valider_ensemble({$ens_id})'>Valider l'ensemble</a></p>";
     echo "</div>";
 
 }
 
-// Function to validate documents in an ensemble
-function valider_ensemble($ensembleId) {
-    // Update the "valide" status in the "ensembles" table
-    // You need to customize the SQL query based on your actual database structure
-    $updateQuery = "UPDATE ensembles SET valide = 1 WHERE id = $ensembleId";
-    // Execute the update query
-    global $conn;
-    $conn->execute_query($updateQuery);
-}
 
-// Check if the form is submitted for ensemble validation
-if (isset($_POST['ensemble_id'])) {
-    $ensembleId = $_POST['ensemble_id'];
-    valider_ensemble($ensembleId);
-}
-
-// Include your HTML, CSS, and JavaScript for the frontend
 ?>
 <!DOCTYPE html>
 <html lang="en">
@@ -103,13 +87,10 @@ if (isset($_POST['ensemble_id'])) {
 <!-- Display documents -->
 <?php displayDocuments(); ?>
 
-<!-- Include your JavaScript for document validation here -->
 <script>
-    function validateDocument(ensembleId) {
-        // Send an AJAX request to validate the ensemble
-        // You can use fetch or jQuery.ajax
-        // Example using fetch:
-        fetch('validate_ensemble.php', {
+    function valider_ensemble(ensembleId) {
+
+        fetch('api.php/valider_ensemble', {
             method: 'POST',
             headers: {
                 'Content-Type': 'application/x-www-form-urlencoded',
@@ -119,7 +100,9 @@ if (isset($_POST['ensemble_id'])) {
         .then(response => response.json())
         .then(data => {
             if (data.status == 1) {
-                // oui
+                alert(data.msg)
+            }else{
+                alert(data.msg)
             }
         })
         .catch(error => {
@@ -128,7 +111,6 @@ if (isset($_POST['ensemble_id'])) {
     }
 </script>
 
-<!-- Include your HTML and CSS styles for the form to add documents here -->
 
 </body>
 </html>