extend as_commune to work with a page slug (#23897)

(this will be used to get portal url from a collectivity page)

combo_plugin_gnm/templatetags/gnm.py

@@ -506,6 +506,16 @@ def as_producer(slug):
 def as_commune(user_data):
     if not user_data:
         return None
+
+    if isinstance(user_data, basestring):
+        # user_data is expected to be (page) slug
+        collectivities = get_gnm_collectivities()
+        for collectivity in collectivities:
+            if slugify(collectivity['label']) in user_data:
+                collectivity['gnm'] = True
+                return collectivity
+        return None
+
     city = user_data.get('city') or user_data.get('address_city')
     if city:
         # first look for known portals
@@ -515,7 +525,8 @@ def as_commune(user_data):
                 return {
                     'label': city,
                     'slug': slugify(city),
-                    'url': collectivity['url']
+                    'url': collectivity['url'],
+                    'gnm': True,
                 }
         # if not found look in mairie pages
         pages = Page.objects.filter(parent__slug='mairie',