Для срабатывания триггера

App/Waybill/model.py

@@ -72,13 +72,6 @@ def button_click(request):
             print(session['waybill'])
             session.modified = True
 
-    # elif request.form.get('product_display_plus'):
-    #     # increasing count in waybill
-
-    #     amount = int(session['waybill'][str(product['work_id'])])
-    #     session['waybill'][str(product['work_id'])] = str(amount + 1)
-    #     session.modified = True
-
     elif request.form.get('product_display_minus'):
         # decreasing count in waybill
         
@@ -101,23 +94,25 @@ def transaction_order_model(user_id: int, current_date: date):
     with DBContextManager(db_config) as cursor:
 
         data = dict(e_user_id=user_id, e_order_date=current_date, e_total=total)
-        
-        _sql = sql_provider.get('create_order.sql', data)
         try:
+            _sql = sql_provider.get('create_order.sql', data)
             cursor.execute(_sql)
+            
+            order_id = cursor.lastrowid
+            for key, value in waybill.items():
+                _sql = sql_provider.get('good_price.sql', dict(
+                                        e_prod_id = int(key)
+                                        ))
+                price = select_list(db_config, _sql)[0][0]
+
+                _sql = sql_provider.get('insert_order_line.sql',
+                                        dict(e_order_id = order_id,
+                                        e_price = price,
+                                        e_prod_id = int(key),
+                                        e_amount = int(value)))
+                cursor.execute(_sql)
         except:
             return InfoRespronse((), error_message="Заказ не был создан", status=False)
-        
-        order_id = cursor.lastrowid
-        for key, value in waybill.items():
-            _sql = sql_provider.get('insert_order_line.sql',
-                                    dict(e_order_id = order_id,
-                                    e_prod_id = int(key),
-                                    e_amount = int(value)))
-            try:
-                cursor.execute(_sql)
-            except:
-                return InfoRespronse((), error_message="Заказ не был создан", status=False)
 
     result = tuple([order_id])
     clear()

App/Waybill/sql/good_price.sql

@@ -0,0 +1 @@
+SELECT price FROM workpiece WHERE work_id = $e_prod_id

App/Waybill/sql/insert_order_line.sql

@@ -1,2 +1 @@
-INSERT INTO `waybill_lines` VALUES ($e_order_id, $e_prod_id, 
-(SELECT price FROM workpiece WHERE work_id = $e_prod_id), $e_amount);
+INSERT INTO `waybill_lines` VALUES ($e_order_id, $e_prod_id, $e_price, $e_amount);