Added converter_factory.convert() method

src/convert/converter_factory.py

@@ -7,6 +7,10 @@ from src.convert.model_converter import model_converter
 
 
 class converter_factory:
+    @staticmethod
+    def convert(obj):
+        return converter_factory.create(obj).convert(obj)
+
     @singledispatch
     @staticmethod
     def create(obj):

src/export/strategies/json_export.py

@@ -23,7 +23,7 @@ class json_export(export):
             model (abstract_reference): модель, строку с которой нужно создать
         """
 
-        data = converter_factory.create(model).convert(model)
+        data = converter_factory.convert(model)
 
         return json.dumps(data, indent=4) + ","