feat: improve fullscreen mode

routes/grading.py

@@ -1,4 +1,4 @@
-from flask import Blueprint, render_template, redirect, url_for, flash, request
+from flask import Blueprint, render_template, redirect, url_for, flash, request, jsonify
 from models import db, Assessment, Student, Grade, GradingElement, Exercise
 from app_config import config_manager
 
@@ -35,7 +35,9 @@ def assessment_grading(assessment_id):
 @bp.route('/assessments/<int:assessment_id>/grading/save', methods=['POST'])
 def save_grades(assessment_id):
     assessment = Assessment.query.get_or_404(assessment_id)
+    errors = []
     
+    try:
         for key, value in request.form.items():
             if key.startswith('grade_'):
                 # Parse key: grade_<student_id>_<element_id>
@@ -73,9 +75,9 @@ def save_grades(assessment_id):
                                 else:
                                     grade.value = normalized_value
                             else:
-                            flash(f'Valeur invalide pour {grading_element.label if grading_element else "cet élément"}: {value}', 'warning')
+                                errors.append(f'Valeur invalide pour {grading_element.label if grading_element else "cet élément"}: {value}')
                         else:
-                        flash(f'Élément de notation non trouvé: {element_id}', 'error')
+                            errors.append(f'Élément de notation non trouvé: {element_id}')
                     elif grade:  # If value is empty but grade exists, delete it
                         db.session.delete(grade)
         
@@ -96,5 +98,35 @@ def save_grades(assessment_id):
                         grade.comment = value.strip() if value.strip() else None
         
         db.session.commit()
+        
+        # Check if it's an AJAX request
+        if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
+            if errors:
+                return jsonify({
+                    'success': False,
+                    'message': 'Certaines notes n\'ont pas pu être sauvegardées',
+                    'errors': errors
+                })
+            else:
+                return jsonify({
+                    'success': True,
+                    'message': 'Notes sauvegardées avec succès !'
+                })
+        else:
+            # Traditional form submission
+            if errors:
+                for error in errors:
+                    flash(error, 'warning')
             flash('Notes sauvegardées avec succès !', 'success')
             return redirect(url_for('grading.assessment_grading', assessment_id=assessment_id))
+            
+    except Exception as e:
+        db.session.rollback()
+        if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
+            return jsonify({
+                'success': False,
+                'message': f'Erreur lors de la sauvegarde: {str(e)}'
+            }), 500
+        else:
+            flash(f'Erreur lors de la sauvegarde: {str(e)}', 'error')
+            return redirect(url_for('grading.assessment_grading', assessment_id=assessment_id))