slapos_rss_style: Use cache on Ticket_getLastEvent

   This script is widely used accross the listboxes, this makes things quite slow.

   Set 5min cache also prevent abuse of call the feed

master/bt5/slapos_rss_style/SkinTemplateItem/portal_skins/slapos_rss_style/Ticket_getLatestEvent.py

+from Products.ERP5Type.Cache import CachingMethod
+portal = context.getPortalObject()
+
+def getLastEventRelativeUrl(uid):
+  portal = context.getPortalObject()
+  last_event = portal.portal_catalog.getResultValue(
+    follow_up_uid=context.getUid(),
+    portal_type=portal.getPortalEventTypeList(),
+    simulation_state=["confirmed", "started", "stopped", "delivered"],
+    sort_on=(("modification_date", 'DESC'),))
+
+  if last_event is not None:
+    return last_event.getRelativeUrl()
+  else:
+    return last_event
+
+last_event_url = CachingMethod(getLastEventRelativeUrl,
+        id='Ticket_getLatestEventRelativeUrl',
+        cache_factory='erp5_content_short')(context.getUid())
+
+if last_event_url is not None:
+  return portal.restrictedTraverse(last_event_url)

master/bt5/slapos_rss_style/SkinTemplateItem/portal_skins/slapos_rss_style/Ticket_getLatestEvent.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Ticket_getLatestEvent</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

master/bt5/slapos_rss_style/SkinTemplateItem/portal_skins/slapos_rss_style/WebSection_getRSSDateContent.py

-portal = context.getPortalObject()
-
-event = portal.portal_catalog.getResultValue(
-             follow_up_uid=context.getUid(), 
-             sort_on=[('modification_date', 'DESC')],
-)
-
-
+event = context.Ticket_getLastEvent()
 if event:
   return event.getModificationDate()
 

master/bt5/slapos_rss_style/SkinTemplateItem/portal_skins/slapos_rss_style/WebSection_getRSSDescriptionContent.py

-portal = context.getPortalObject()
-
-event = portal.portal_catalog.getResultValue(
-             follow_up_uid=context.getUid(), 
-             sort_on=[('modification_date', 'DESC')],
-)
-
+event = context.Ticket_getLastEvent()
 if event:
   return event.getTextContent()