[Taxation] Update model, interface

components/Taxation/basic_usage.rst

@@ -4,8 +4,8 @@ Basic Usage
 Tax Rate
 --------
 
-Every tax rate has two identifiers, an ID and name. You can access those by calling ``->getId()`` and ``getName()``
-respectively. The name is mutable, so you can change it by calling ``->setName('EU VAT')`` on the tax rate instance.
+Every tax rate has three identifiers, an ID, code and name. You can access those by calling ``->getId()``, ``->getCode()`` and ``getName()``
+respectively. The name and code are mutable, so you can change them by calling ``->setCode('X12XW')`` and ``->setName('EU VAT')`` on the tax rate instance.
 
 Setting Tax Amount
 ~~~~~~~~~~~~~~~~~~
@@ -63,8 +63,8 @@ should be the same as name of your calculator object.
 Tax Category
 ------------
 
-Every tax category  has two identifiers, an ID and name. You can access those by calling ``->getId()`` and ``getName()``
-respectively. The name is mutable, so you can change it by calling ``->setName('Clothing')`` on the tax category instance.
+Every tax category  has three identifiers, an ID, code and name. You can access those by calling ``->getId()``, ``->getCode()`` and ``getName()``
+respectively. The code and name are mutable, so you can change them by calling ``->setCode('X12X')`` and ``->setName('Clothing')`` on the tax category instance.
 
 Tax Rate Management
 ~~~~~~~~~~~~~~~~~~~

components/Taxation/interfaces.rst

@@ -22,7 +22,7 @@ To create object which provides information about tax category, the object class
 **TaxCategoryInterface**.
 
 .. note::
-    This interface extends :ref:`component_resource_model_timestampable-interface`. |br|
+    This interface extends :ref:`component_resource_model_code-aware-interface` and :ref:`component_resource_model_timestampable-interface`. |br|
     For more detailed information go to `Sylius API's Tax Category Interface`_.
 
 .. _Sylius API's Tax Category Interface: http://api.sylius.org/Sylius/Component/Taxation/Model/TaxCategoryInterface.html
@@ -34,7 +34,7 @@ To create object which provides information about tax rate, the object class nee
 **TaxCategoryInterface**.
 
 .. note::
-    This interface extends :ref:`component_resource_model_timestampable-interface`. |br|
+    This interface extends :ref:`component_resource_model_code-aware-interface` and :ref:`component_resource_model_timestampable-interface`. |br|
     For more detailed information go to `Sylius API's Tax Rate Interface`_.
 
 .. _Sylius API's Tax Rate Interface: http://api.sylius.org/Sylius/Component/Taxation/Model/TaxCategoryInterface.html

components/Taxation/models.rst

@@ -11,6 +11,8 @@ Tax rate model holds the configuration for particular tax rate.
 +=================+====================================+
 | id              | Unique id of the tax rate          |
 +-----------------+------------------------------------+
+| code            | Unique code of the tax rate        |
++-----------------+------------------------------------+
 | category        | Tax rate category                  |
 +-----------------+------------------------------------+
 | name            | Name of the rate                   |
@@ -39,6 +41,8 @@ Tax category model holds the configuration for particular tax category.
 +=================+========================================================+
 | id              | Unique id of the tax category                          |
 +-----------------+--------------------------------------------------------+
+| code            | Unique code of the tax category                        |
++-----------------+--------------------------------------------------------+
 | name            | Name of the category                                   |
 +-----------------+--------------------------------------------------------+
 | description     | Description of tax category                            |