diff --git a/gestion/lib/Db/Bdd.php b/gestion/lib/Db/Bdd.php
index e3ef354..002031a 100644
--- a/gestion/lib/Db/Bdd.php
+++ b/gestion/lib/Db/Bdd.php
@@ -1542,6 +1542,29 @@ class Bdd {
         }
         return $total < 0;
     }
+
+    private function getProduitDevisById($produitDevisId){
+        $sql = "SELECT * FROM ".$this->tableprefix."produit_devis as produit_devis
+        WHERE produit_devis.id = ?;";
+
+        $result = $this->execSQLNoJsonReturn($sql,[$produitDevisId]);;
+
+        if(!empty($result)){
+            return $result[0];
+        }
+        return null;
+    }
+
+    private function getFactureByDevisId($devisId){
+        $sql = "SELECT * FROM ".$this->tableprefix."facture as facture
+        WHERE facture.id_devis = ?";
+
+        $result = $this->execSQLNoJsonReturn($sql,[$devisId]);
+        if(!empty($result)){
+            return $result[0];
+        }
+        return null;
+    }
     
     /**
      * UPDATE
@@ -1610,7 +1633,29 @@ class Bdd {
             } else if(strcmp($table, "ligne_trajet")==0 && (strcmp($column, "id_devis")==0 || strcmp($column, "date")==0 || strcmp($column, "id_lieu")==0 || strcmp($column, "rang")==0)) {
                 $ligne_trajet = json_decode($this->getOneTrajetdetails($id, $idNextcloud))[0];
                 $this->update_lieu_date_devis_rang_ligneTrajet($ligne_trajet, $column, htmlentities(rtrim($data)), $idNextcloud);
-            } else {
+            } 
+            else if(strcmp($table,"produit_devis") == 0 && (strcmp($column,"quantite") == 0)){
+                $sql = "UPDATE ".$this->tableprefix.$table." SET $column = ? WHERE `id` = ?";
+                $this->execSQLNoData($sql, array(trim(string: $data), $id));
+                $produitDevis = $this->getProduitDevisById($id);
+                if($produitDevis){
+                    $devisId = $produitDevis['devis_id'];
+                    $devis = json_decode($this->getOneDevis($devisId, $idNextcloud))[0];
+                    if($devis){
+                        $facture = $this->getFactureByDevisId($devisId);
+                        $isDevisNegative = $this->isDevisNegative($devisId,$devis->clientid);
+                        if($isDevisNegative){
+                            $factureNumber = $facture["facture_number"];
+                            $facturePrefix = "AVO";
+                            $facturationDatetime = new Datetime($facture["date"]);
+                            $fullFactureNumber = DateHelpers::GetFullFactureOrDevisNumberByDate($facturationDatetime,$factureNumber,$facturePrefix);
+                            $sql = "UPDATE ".$this->tableprefix."facture SET `num`= ? WHERE `id` = ?";
+                            $this->execSQLNoData($sql, array($fullFactureNumber, $facture['id']));
+                        }
+                    }
+                }
+            }
+            else {
                 $sql = "UPDATE ".$this->tableprefix.$table." SET $column = ? WHERE `id` = ?";
                 $this->execSQLNoData($sql, array(trim($data), $id));
             }