updates

Backend/src/routes/invoice_routes.py

@@ -166,4 +166,38 @@ async def get_invoices_by_booking(booking_id: int, current_user: User=Depends(ge
     except Exception as e:
         db.rollback()
         logger.error(f'Error fetching invoices by booking: {str(e)}', exc_info=True)
+        raise HTTPException(status_code=500, detail=str(e))
+
+@router.post('/{id}/send-email')
+async def send_invoice_email(request: Request, id: int, current_user: User=Depends(authorize_roles('admin', 'staff', 'accountant')), db: Session=Depends(get_db)):
+    try:
+        invoice = db.query(Invoice).filter(Invoice.id == id).first()
+        if not invoice:
+            raise HTTPException(status_code=404, detail='Invoice not found')
+        
+        from ..routes.booking_routes import _generate_invoice_email_html
+        from ..models.user import User as UserModel
+        from ..utils.mailer import send_email
+        
+        invoice_dict = InvoiceService.invoice_to_dict(invoice)
+        invoice_html = _generate_invoice_email_html(invoice_dict, is_proforma=invoice.is_proforma)
+        invoice_type = 'Proforma Invoice' if invoice.is_proforma else 'Invoice'
+        
+        user = db.query(UserModel).filter(UserModel.id == invoice.user_id).first()
+        if not user:
+            raise HTTPException(status_code=404, detail='User not found')
+        
+        await send_email(
+            to=user.email,
+            subject=f'{invoice_type} {invoice.invoice_number}',
+            html=invoice_html
+        )
+        
+        logger.info(f'{invoice_type} {invoice.invoice_number} sent to {user.email}')
+        return success_response(message=f'{invoice_type} sent successfully to {user.email}')
+    except HTTPException:
+        raise
+    except Exception as e:
+        db.rollback()
+        logger.error(f'Error sending invoice email: {str(e)}', exc_info=True)
         raise HTTPException(status_code=500, detail=str(e))