fix t1054

app/static/js/saisie_notes.js

 // Formulaire saisie des notes
 
+let nbSaving = 0; // nombre de requêtes en cours
+
+function incSaving() {
+  nbSaving++;
+  // disable button 'Terminer'
+  anchor = document.querySelector(".link-terminer");
+  anchor.style.display = "none"
+}
+
+function decSaving() {
+  nbSaving--;
+  if (nbSaving == 0) {
+    // re-enable bouton 'Terminer'
+    anchor = document.querySelector(".link-terminer");
+    anchor.style.display = "";
+  }
+}
+
 document.addEventListener("DOMContentLoaded", function () {
   let noteInputs = document.querySelectorAll("#formnotes .note");
   noteInputs.forEach(function (input) {
@@ -54,15 +72,13 @@ function valid_note(e) {
   }
 }
 
-let isSaving = false; // true si requête en cours
-
 async function save_note(elem, v, etudid) {
   let evaluation_id = document.querySelector("#formnotes_evaluation_id").getAttribute("value");
   let formsemestre_id = document.querySelector("#formnotes_formsemestre_id").getAttribute("value");
   var scoMsg = document.getElementById("sco_msg");
   scoMsg.innerHTML = "en cours...";
   scoMsg.style.display = "block";
-  isSaving = true; // Set the flag to true when the request starts
+  incSaving(); // update counter to show one more saving in progress
   try {
     const response = await fetch(
       SCO_URL + "../api/evaluation/" + evaluation_id + "/notes/set",
@@ -109,7 +125,7 @@ async function save_note(elem, v, etudid) {
     console.error("Fetch error:", error);
     sco_message("Erreur réseau: valeur non enregistrée");
   } finally {
-    isSaving = false; // Reset the flag when the request is complete
+    decSaving(); // update counter to show one saving in progress less. May re-enable 'Terminer' button
   }
 }
 
@@ -121,7 +137,7 @@ window.addEventListener('beforeunload', function (e) {
       valid_note.call(input);
     }
   });
-  if (isSaving) {
+  if (nbSaving > 0) {
     // Display a confirmation dialog
     const confirmationMessage = 'Des modifications sont en cours de sauvegarde. Êtes-vous sûr de vouloir quitter cette page ?';
     e.preventDefault(); // Standard for most modern browsers