The member-search logic has been moved from the page template to the Python code

Refs. #125

Author: ale-rt

news/125.bugfix.rst

@@ -0,0 +1,2 @@
+The member-search logic has been moved from the page template to the Python code
+[ale-rt]

plone/app/users/browser/membersearch.py

@@ -1,6 +1,9 @@
 from plone.autoform.form import AutoExtensibleForm
 from plone.base import PloneMessageFactory as _
+from plone.memoize.view import memoize
 from plone.supermodel import model
+from Products.CMFCore.permissions import ListPortalMembers
+from Products.CMFCore.utils import getToolByName
 from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
 from z3c.form import button
 from z3c.form import form
@@ -97,6 +100,32 @@ class MemberSearchForm(AutoExtensibleForm, form.Form):
 
     submitted = False
 
+    @property
+    @memoize
+    def listing_allowed(self):
+        """
+        Check if the user has the necessary "List Portal Members" permissions
+        to view the list of search results.
+        """
+        pm = getToolByName(self.context, "portal_membership")
+        return pm.checkPermission(ListPortalMembers, self.context)
+
+    @property
+    def results(self):
+        """
+        Retrieve, merge, and sort the list of results based on search criteria.
+
+        This is based on the methods previously defined in the
+        Products.PlonePAS.browser.search module.
+        """
+        # First of all check if we have the proper permissions
+        if not self.listing_allowed:
+            return []
+
+        view = self.context.restrictedTraverse("@@pas_search")
+        criteria = extractCriteriaFromRequest(self.request.form.copy())
+        return view.searchUsers(sort_by="fullname", **criteria)
+
     @button.buttonAndHandler(_("label_search", default="Search"), name="search")
     def handleApply(self, action):
         request = self.request
@@ -108,7 +137,3 @@ def handleApply(self, action):
 
         if request.get("form.buttons.search", None):
             self.submitted = True
-
-            view = self.context.restrictedTraverse("@@pas_search")
-            criteria = extractCriteriaFromRequest(self.request.form.copy())
-            self.results = view.searchUsers(sort_by="fullname", **criteria)

plone/app/users/browser/membersearch_form.pt

@@ -23,8 +23,8 @@
       <tal:block condition="view/submitted">
         <article id="content"
                  tal:define="
-                   listing_allowed python: checkPermission('List portal members', here);
-                   results python:listing_allowed and view.results;
+                   listing_allowed python: view.listing_allowed;
+                   results python: view.results;
                    Batch python:modules['Products.CMFPlone'].Batch;
                    DateTime python:modules['DateTime'].DateTime;
                    b_size python:12;

setup.py

@@ -71,6 +71,7 @@
         "plone.base",
         "plone.formwidget.namedfile >= 1.0.3",
         "plone.i18n",
+        "plone.memoize",
         "plone.namedfile",
         "plone.protect",
         "plone.registry",