feat(factures): add invoice validation endpoints and client methods

api.py

@@ -2965,6 +2965,87 @@ async def preview_societe():
         return f"<h1>Erreur</h1><p>{str(e)}</p>"
 
 
+@app.post("/factures/{numero_facture}/valider", status_code=200, tags=["Factures"])
+async def valider_facture(
+    numero_facture: str,
+    session: AsyncSession = Depends(get_session),
+):
+    """
+    Valide une facture (pose le cadenas)
+    """
+    try:
+        resultat = sage_client.valider_facture(numero_facture)
+
+        logger.info(
+            f"Facture {numero_facture} validée: {resultat.get('action_effectuee')}"
+        )
+
+        return {
+            "success": True,
+            "message": resultat.get("message", "Facture validée"),
+            "data": resultat,
+        }
+
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"Erreur validation facture {numero_facture}: {e}")
+        raise HTTPException(500, str(e))
+
+
+@app.post("/factures/{numero_facture}/devalider", status_code=200, tags=["Factures"])
+async def devalider_facture(
+    numero_facture: str,
+    session: AsyncSession = Depends(get_session),
+):
+    """
+    Dévalide une facture (retire le cadenas)
+
+    Impossible si la facture a des règlements.
+    """
+    try:
+        resultat = sage_client.devalider_facture(numero_facture)
+
+        logger.info(
+            f"Facture {numero_facture} dévalidée: {resultat.get('action_effectuee')}"
+        )
+
+        return {
+            "success": True,
+            "message": resultat.get("message", "Facture dévalidée"),
+            "data": resultat,
+        }
+
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"Erreur dévalidation facture {numero_facture}: {e}")
+        raise HTTPException(500, str(e))
+
+
+@app.get("/factures/{numero_facture}/statut-validation", tags=["Factures"])
+async def get_statut_validation_facture(
+    numero_facture: str,
+    session: AsyncSession = Depends(get_session),
+):
+    """
+    Retourne le statut de validation d'une facture
+    """
+    try:
+        resultat = sage_client.get_statut_validation(numero_facture)
+
+        return {
+            "success": True,
+            "data": resultat,
+        }
+
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"Erreur lecture statut {numero_facture}: {e}")
+        raise HTTPException(500, str(e))
+
+
 @app.get("/health", tags=["System"])
 async def health_check(
     sage: SageGatewayClient = Depends(get_sage_client_for_user),

sage_client.py

@@ -431,6 +431,24 @@ class SageGatewayClient:
         """Lit les informations de la société depuis P_DOSSIER"""
         return self._get("/sage/societe/info").get("data")
 
+    def valider_facture(self, numero_facture: str) -> dict:
+        """Valide une facture"""
+        return self._post(f"/sage/factures/{numero_facture}/valider", {}).get(
+            "data", {}
+        )
+
+    def devalider_facture(self, numero_facture: str) -> dict:
+        """Dévalide une facture"""
+        return self._post(f"/sage/factures/{numero_facture}/devalider", {}).get(
+            "data", {}
+        )
+
+    def get_statut_validation(self, numero_facture: str) -> dict:
+        """Récupère le statut de validation"""
+        return self._get(f"/sage/factures/{numero_facture}/statut-validation").get(
+            "data", {}
+        )
+
     def refresh_cache(self) -> Dict:
         return self._post("/sage/cache/refresh")