api too slow (36k/student)

app/static/js/export-jury-but.js

@@ -20,18 +20,36 @@ getMarks(3) <= {"Alice": 13 }
 getMarks(4) <= {"Alice": 13 }
 */
 
-const api = {
+
-    getStudents() {
+async function do_export(api_root, formsemstre_id) {
-      return new Promise((resolve) => {
+    console.log('***************** start *****************');
-        setTimeout(() => {
+    const students = await api.getStudents(api_root, formsemstre_id);
-          resolve(studentsdemo);
+    console.log('***************** got students *****************');
-        }, 500);
+    console.log(students)
+    console.log('***************** seeking sems *****************');
+    const student_requests = students.map((student) => {
+        return api.getStudentSems(api_root, student.id);
     });
+    const sems = await Promise.all(student_requests);
+    debugger;
+    console.log('***************** got sems *****************');
+    const set_sem = new Set(sems.flat());
+    console.log(set_sem)
+    console.log('***************** seeking marks *****************');
+    const studentsGrades = await Promise.all([...set_sem].map(sem => api.getMarks(sem)));
+    debugger;
+    // Expected output: "resolved"
+}
+
+
+const api = {
+    getStudents(api_root, formsemestre_id) {
+        return fetch(`${api_root}/formsemestre/${formsemestre_id}/etudiants`)
+            .then(response => response.json())
     },
-    getStudentSems(student) {
+    getStudentSems(api_root, etudid) {
-        return new Promise(
+        return fetch(`${api_root}/etudiant/etudid/${etudid}/formsemestres`)
-            resolve => { setTimeout(resolve, student.wait, student.sems); }
+            .then(response => response.json())
-        );
     },
     getMarks(sem_id) {
         return new Promise(
@@ -40,80 +58,6 @@ const api = {
     }
 }
 
-$(document).ready(function() {
-    $("#ok").click(function(){
-        do_export();
-    });
-});
-
-
-function getData() {
-    // let students = api.getStudents()
-    // console.log(students);
-    // let promises =
-    //     students.map((student) => api.getStudentSems(student));
-    // return Promise.all(promises);
-}
-
-async function asyncCall() {
-    // const sem_requests = new Map();
-    console.log('***************** start *****************');
-    const students = await api.getStudents();
-    console.log('***************** got students *****************');
-    console.log(students)
-    console.log('***************** seeking sems and marks *****************');
-    const student_requests = students.map((student) => {
-        return api.getStudentSems(student);
-    });
-    const sems = await Promise.all(student_requests);
-    const full_sem = sems.flat();
-    const set_sem = [...new Set(full_sem)];
-    const studentsGrades = await Promise.all(set_sem.map(sem => api.getMarks(sem)));
-    debugger;
-/*
-            console.log("lookup for " + student.name + "'s sems.");
-            const sems = api.getStudentSems(student)
-            console.log(`***************** got ${student.name}'s sems *****************`);
-            console.log(sems);
-            return sems;
-        });
-    const             sems.forEach((sem) => {
-                console.log(`looking for mark for sem ${sem}`);
-                console.log("** current sems requests");
-                console.log(sem_requests)
-                if (sem_requests[sem] === 'undefined') {
-                    console.log(`seeking ${sem} marks`)
-
-                    sem_requests[sem] = api.getMarks(sem);
-                }
-            })
-
-        sems.forEach((sem) => {
-            console.log(`looking for mark for sem ${sem}`);
-            console.log("** current sems requests");
-            console.log(sem_requests)
-            if (sem_requests[sem] === 'undefined') {
-                console.log(`seeking ${sem} marks`)
-
-                sem_requests[sem] = api.getMarks(sem);
-            }
-        })
-
-    let result_sems = await Promise.all(sem_requests)
-    console.log('***************** sems ok *****************');
-    console.log(result_sems);
-    console.log('***************** stop *****************');
-*/
-    // Expected output: "resolved"
-}
-
-function do_export() {
-    event.preventDefault();
-    // students = getData();
-    // console.log(students);
-    asyncCall();
-}
-
 // let loaded_sems = [];
 //
 // async function doit() {

app/templates/but/jury_export.j2

@@ -9,19 +9,23 @@
 
     <H1>Export xlsx de fichier de jury</H1>
 
-    <form>
+    <form type="button">
         <p>Formsemestre: {{ formsemestre.id }}</p><br/>
         <p>API root: /ScoDoc/{{dept}}/api/</p><br/>
-        <button id="ok">Exporter</button>
+        <button id="ok" type="button">Exporter</button>
     </form>
     
 {% endblock %}
 
 {% block scripts %}
 	{{super()}}
+
     <script>
-        let formsemestre_id = {{ formsemestre.id }};
+        $(document).ready(function() {
-        let dept = "{{ dept }}";
+            $("#ok").click(function(){
+                do_export("/ScoDoc/{{dept}}/api", {{formsemestre.id}});
+            });
+        });
     </script>
 
 	<script src="{{scu.STATIC_DIR}}/js/export-jury-but.js"></script>