web_renderjs: optimize post upgrade constraints

by using getDocumentValueList to lookup all documents at once instead
of using getDocumentValue for each document

bt5/erp5_web_renderjs_ui/SkinTemplateItem/portal_skins/erp5_web_renderjs/WebSite_checkCacheModificationDateConsistency.py

 from DateTime import DateTime
 appcache_reference = context.getLayoutProperty("configuration_manifest_url")
 
-getDocumentValue = context.getDocumentValue
-
 error_list = []
 if appcache_reference:
-  appcache_manifest = getDocumentValue(appcache_reference)
+  appcache_manifest = context.getDocumentValue(appcache_reference)
   if not appcache_manifest:
     return ['Error: Web Site %s references a non existant appcache %s' % (context.getRelativeUrl(),appcache_reference)]
-  url_list = context.Base_getListFileFromAppcache()
+  url_list = [url for url in context.Base_getListFileFromAppcache() if url]
   # Check that the manifest is newer than all cached resources.
   appcache_manifest_modification_date = appcache_manifest.getObject().getModificationDate()
-  for url in url_list:
-    if url:
-      referenced_document = getDocumentValue(url)
-      if referenced_document is not None and (
-          referenced_document.getModificationDate() >
-          appcache_manifest_modification_date):
+
+  if url_list:
+    for referenced_document in context.getDocumentValueList(reference=url_list):
+      if referenced_document.getModificationDate() > appcache_manifest_modification_date:
         error_list.append(
-            "Document {} is newer than cache manifest".format(url))
+          "Document {} is newer than cache manifest".format(referenced_document.getReference()))
 
   if error_list and fixit:
     text_list = appcache_manifest.getTextContent().split('\n')

bt5/erp5_web_renderjs_ui/SkinTemplateItem/portal_skins/erp5_web_renderjs/WebSite_getTranslationDataTextContent.py

@@ -13,12 +13,18 @@ Base_translateString = context.Base_translateString
 translatable_message_set = set([])
 
 web_page_reference_list = context.Base_getTranslationSourceFileList(only_html=1)
+
+web_page_by_reference = {}
+if web_page_reference_list:
+  web_page_list = [
+    b.getObject() for b in
+    context.getDocumentValueList(reference=web_page_reference_list)]
+  web_page_by_reference = {wp.getReference(): wp.getTextContent() for wp in web_page_list}
+
 for web_page_reference in web_page_reference_list:
   # Web pages can be in web page module ...
-  web_page = context.getDocumentValue(web_page_reference)
-  if web_page is not None:
-    web_page_text_content = web_page.getTextContent()
-  else:
+  web_page_text_content = web_page_by_reference.get(web_page_reference)
+  if web_page_text_content is None:
     # ... or in skin folders
     web_page = context.restrictedTraverse(web_page_reference, None)
     if web_page is not None and hasattr(web_page, 'PrincipiaSearchSource'):