Merge 10cf2a2 into 67cb86b

CHANGES.rst

@@ -9,6 +9,9 @@ There's a frood who really knows where his towel is.
 - Update Basque translation.
   [erral]
 
+- Implement prefetch for Facebook.
+  [claytonc]
+
 
 2.12b1 (2017-09-15)
 ^^^^^^^^^^^^^^^^^^^

sc/social/like/interfaces.py

@@ -128,6 +128,7 @@ class ISocialLikeSettings(model.Schema):
             'facebook_app_id',
             'fbbuttons',
             'fbshowlikes',
+            'facebook_prefetch_enable'
         ],
     )
 
@@ -200,6 +201,16 @@ class ISocialLikeSettings(model.Schema):
         default=True,
     )
 
+    facebook_prefetch_enable = schema.Bool(
+        title=_(u'Enable Prefetching Facebook?'),
+        description=_(
+            u'help_facebook_prefetch_enable',
+            default=u'If enabled, an event is triggered so that Facebook '
+                    u'downloads mobile content before someone clicks on a link.'
+        ),
+        default=False,
+    )
+
     model.fieldset(
         'twitter', label=u'Twitter', fields=['twitter_username'])
 

sc/social/like/locales/pt_BR/LC_MESSAGES/sc.social.like.po

@@ -422,3 +422,12 @@ msgstr "Cancelar"
 #: sc/social/like/vocabularies.py:36
 msgid "vertical"
 msgstr "vertical"
+
+
+#: ./sc/social/like/interfaces.py:220
+msgid "Enable Prefetching Facebook?"
+msgstr ""
+
+#: ./sc/social/like/interfaces.py:222
+msgid "help_facebook_prefetch_enable"
+msgstr "Se ativado, um evento é acionado para que o Facebook faça o download de conteúdo móvel antes de alguém clicar em um link."

sc/social/like/locales/sc.social.like.pot

@@ -422,3 +422,11 @@ msgstr ""
 #: ./sc/social/like/vocabularies.py:36
 msgid "vertical"
 msgstr ""
+
+#: ./sc/social/like/interfaces.py:220
+msgid "Enable Prefetching Facebook?"
+msgstr ""
+
+#: ./sc/social/like/interfaces.py:222
+msgid "help_facebook_prefetch_enable"
+msgstr ""

sc/social/like/profiles/default/metadata.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0"?>
 <metadata>
-  <version>3047</version>
+  <version>3048</version>
 </metadata>

sc/social/like/subscribers.py

@@ -26,6 +26,7 @@
 from zope.component import getUtility
 from zope.schema.interfaces import WrongType
 
+import requests
 import traceback
 
 
@@ -148,9 +149,31 @@ def check_sharing_best_practices_on_editing(obj, event):
     state = api.content.get_state(obj)
     if state in ('published', ):
         check_sharing_best_practices(obj)
+        prefetch_facebook(obj)
 
 
 def check_sharing_best_practices_on_publishing(obj, event):
     """Event subscriber for content being published."""
     if event.status['review_state'] in ('published', ):
         check_sharing_best_practices(obj)
+        prefetch_facebook(obj)
+
+
+def prefetch_facebook(obj):
+    """Prefetching in object if enable."""
+
+    record = ISocialLikeSettings.__identifier__ + '.facebook_prefetch_enable'
+    prefetch_enable = api.portal.get_registry_record(record, default=False)
+
+    if not prefetch_enable:
+        return
+
+    url = obj.absolute_url()
+    r = requests.post('https://graph.facebook.com/?id=' + url + '&scrape=true',
+                      timeout=5,
+                      verify=False)
+
+    if r.status_code == '200':
+        logger.info(u'Prefetching: ' + url)
+    else:
+        logger.warn(u'Prefetching fail')

sc/social/like/tests/test_controlpanel.py

@@ -107,6 +107,10 @@ def test_twitter_username_record_in_registry(self):
         self.assertTrue(hasattr(self.settings, 'twitter_username'))
         self.assertEqual(self.settings.twitter_username, '')
 
+    def test_facebook_prefetch_enable_record_in_registry(self):
+        self.assertTrue(hasattr(self.settings, 'facebook_prefetch_enable'))
+        self.assertEqual(self.settings.facebook_prefetch_enable, False)
+
     def test_records_removed_on_uninstall(self):
         qi = self.portal['portal_quickinstaller']
 
@@ -126,6 +130,7 @@ def test_records_removed_on_uninstall(self):
             ISocialLikeSettings.__identifier__ + '.fbbuttons',
             ISocialLikeSettings.__identifier__ + '.fbshowlikes',
             ISocialLikeSettings.__identifier__ + '.twitter_username',
+            ISocialLikeSettings.__identifier__ + '.facebook_prefetch_enable',
         ]
 
         for r in records:

sc/social/like/upgrades/v3048/configure.zcml

@@ -0,0 +1,18 @@
+<configure
+    xmlns="http://namespaces.zope.org/zope"
+    xmlns:genericsetup="http://namespaces.zope.org/genericsetup">
+
+  <genericsetup:upgradeSteps
+      source="3047"
+      destination="3048"
+      profile="sc.social.like:default">
+
+    <genericsetup:upgradeDepends
+        title="Enable prefetch for Facebook"
+        description="Adds new field to the control panel configlet."
+        import_steps="plone.app.registry"
+        />
+
+  </genericsetup:upgradeSteps>
+
+</configure>

setup.py

@@ -52,6 +52,7 @@
           'Products.CMFPlone >=4.3',
           'Products.CMFQuickInstallerTool',
           'Products.GenericSetup',
+          'requests',
           'setuptools',
           'zope.component',
           'zope.i18nmessageid',