Docserver: Cache the samples.

chrome/common/extensions/docs/server2/samples_data_source.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import logging
 import traceback
 
 from data_source import DataSource
 from extensions_paths import EXAMPLES
 from future import All, Future
+from jsc_view import CreateSamplesView
 from platform_util import GetPlatforms
 
 
-def _GetSampleId(sample_name):
-  return sample_name.lower().replace(' ', '-')
-
-
-def GetAcceptedLanguages(request):
-  if request is None:
-    return []
-  accept_language = request.headers.get('Accept-Language', None)
-  if accept_language is None:
-    return []
-  return [lang_with_q.split(';')[0].strip()
-          for lang_with_q in accept_language.split(',')]
-
-
-def CreateSamplesView(samples_list, request):
-  return_list = []
-  for dict_ in samples_list:
-    name = dict_['name']
-    description = dict_['description']
-    if description is None:
-      description = ''
-    if name.startswith('__MSG_') or description.startswith('__MSG_'):
-      try:
-        # Copy the sample dict so we don't change the dict in the cache.
-        sample_data = dict_.copy()
-        name_key = name[len('__MSG_'):-len('__')]
-        description_key = description[len('__MSG_'):-len('__')]
-        locale = sample_data['default_locale']
-        for lang in GetAcceptedLanguages(request):
-          if lang in sample_data['locales']:
-            locale = lang
-            break
-        locale_data = sample_data['locales'][locale]
-        sample_data['name'] = locale_data[name_key]['message']
-        sample_data['description'] = locale_data[description_key]['message']
-        sample_data['id'] = _GetSampleId(sample_data['name'])
-      except Exception:
-        logging.error(traceback.format_exc())
-        # Revert the sample to the original dict.
-        sample_data = dict_
-      return_list.append(sample_data)
-    else:
-      dict_['id'] = _GetSampleId(name)
-      return_list.append(dict_)
-  return return_list
-
-
 class SamplesDataSource(DataSource):
   '''Constructs a list of samples and their respective files and api calls.
   '''
   def __init__(self, server_instance, request):
     self._platform_bundle = server_instance.platform_bundle
     self._request = request
 
   def _GetImpl(self, platform):
     cache = self._platform_bundle.GetSamplesModel(platform).GetCache()
     create_view = lambda samp_list: CreateSamplesView(samp_list, self._request)
     return cache.GetFromFileListing('' if platform == 'apps'
                                        else EXAMPLES).Then(create_view)
 
   def get(self, platform):
     return self._GetImpl(platform).Get()
 
   def GetRefreshPaths(self):
     return [platform for platform in GetPlatforms()]
 
   def Refresh(self, path):
     return self._GetImpl(path)