misc: mark some cells as requiring a session (#69301)

combo/apps/wcs/models.py

@@ -862,6 +862,7 @@ class WcsCardCell(CardMixin, CellBase):
     cached_json = JSONField(blank=True, default=dict)
 
     is_enabled = classmethod(is_wcs_enabled)
+    session_required = True
 
     manager_appearance_template = 'combo/wcs/manager/card-cell-form-appearance.html'
 

combo/data/models.py

@@ -848,6 +848,7 @@ class CellBase(models.Model, metaclass=CellMeta):
     user_dependant = False
     default_template_name = None
     max_one_by_page = False
+    session_required = False
 
     # get_badge(self, context); set to None so cell types can be skipped easily
     get_badge = None
@@ -2053,6 +2054,7 @@ class JsonCellBase(CellBase):
     make_global = False
     actions = {}
     additional_data = None
+    session_required = True
     # [
     #  {'key': ...,
     #   'url': ...,

combo/public/views.py

@@ -570,6 +570,10 @@ def publish_page(request, page, status=200, template_name=None):
     for cell in cells:
         cell._assets = {a.key: a for a in assets if a.key in cell._asset_keys.keys()}
 
+    # create a session if required by a cell
+    if not request.session.session_key and any(cell.session_required for cell in cells):
+        request.session.cycle_key()
+
     ctx.update(
         {
             'page_cells': cells,