Allow (by default) caching for callRemoteProxyMethod.

Refactory selection of configuration language in a separate function.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@24502 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Wizard/Tool/WizardTool.py

@@ -383,13 +383,21 @@ class WizardTool(BaseTool):
     witch_tool = server.portal_witch
     return witch_tool
 
-  def callRemoteProxyMethod(self, distant_method, server_url=None):
+  def callRemoteProxyMethod(self, distant_method, server_url=None, use_cache=1):
     """ Call proxy method on server. """
     # set real method_id
     form = self.REQUEST.form
+    configurator_user_preferred_language = self.getConfiguratorUserPreferredLanguage()
+    def wrapper(distant_method):
       form['method_id'] = distant_method
-    rc = self._callRemoteMethod('proxyMethodHandler')
-    return rc['data']    
+      return self._callRemoteMethod('proxyMethodHandler')['data']
+    if use_cache:
+      wrapper = CachingMethod(wrapper,
+                              id = 'callRemoteProxyMethod_%s_%s' 
+                                     %(distant_method, configurator_user_preferred_language),
+                              cache_factory = 'erp5_ui_medium')
+    rc = wrapper(distant_method)
+    return rc
 
   def _callRemoteMethod(self, distant_method, server_url=None, wrap_result=1):
     """ Call remote method on server and get result. """
@@ -445,32 +453,32 @@ class WizardTool(BaseTool):
         self.setExpressConfigurationPreference(_server_to_preference_ids_map[item],
                                                value)
 
-  def _updateParameterDictWithServerInfo(self, parameter_dict):
-    """Updates parameter_dict to include local saved server info settings. """
-    global _server_to_preference_ids_map
-    for key, value in _server_to_preference_ids_map.items():
-      parameter_dict[key] = self.getExpressConfigurationPreference(value, None)
-    ## add local ERP5 instance url
-    parameter_dict['erp5_url'] = self.getPortalObject().absolute_url()
-    # add user preffered language
+  def getConfiguratorUserPreferredLanguage(self):
+    """ Get configuration language as selected by user """
     REQUEST = getattr(self, 'REQUEST', None)
-
     configurator_user_preferred_language = None
     if REQUEST is not None:
       # language value will be in cookie or REQUEST itself.
       configurator_user_preferred_language = REQUEST.get(LANGUAGE_COOKIE_NAME, None)
-
       if configurator_user_preferred_language is None:
         # Find a preferred language from HTTP_ACCEPT_LANGUAGE
         available_language_list = [i[1] for i in self.WizardTool_getConfigurationLanguageList()]
         configurator_user_preferred_language = getAvailableLanguageFromHttpAcceptLanguage(
           REQUEST.get('HTTP_ACCEPT_LANGUAGE', 'en'),
           available_language_list)
-
     if configurator_user_preferred_language is None:
       configurator_user_preferred_language = 'en'
+    return configurator_user_preferred_language
 
-    parameter_dict['user_preferred_language'] = configurator_user_preferred_language
+  def _updateParameterDictWithServerInfo(self, parameter_dict):
+    """Updates parameter_dict to include local saved server info settings. """
+    global _server_to_preference_ids_map
+    for key, value in _server_to_preference_ids_map.items():
+      parameter_dict[key] = self.getExpressConfigurationPreference(value, None)
+    ## add local ERP5 instance url
+    parameter_dict['erp5_url'] = self.getPortalObject().absolute_url()
+    # add user preffered language
+    parameter_dict['user_preferred_language'] = self.getConfiguratorUserPreferredLanguage()
 
   def _updateParameterDictWithFileUpload(self, parameter_dict):
     """Updates parameter_dict to replace file upload with their file content,