fix: monkey patch the @translation GET endpoint avoiding a useless search if plone.app.multilingual is not installed

CHANGES.rst

@@ -4,6 +4,12 @@ Changelog
 5.2.4 (unreleased)
 ------------------
 
+- Fix the issue in the @translation GET endpoint: If this
+  endpoint is invoked, possibly by a bot, and plone.app.multilingual 
+  is not installed, the call will result in an empty search query 
+  on the catalog.
+  [lucabel]
+
 - backport https://github.com/plone/Products.CMFPlone/pull/3845
   fix: avoid searching all users when many_users is flagged
   [mamico]

src/redturtle/volto/monkey.py

@@ -3,6 +3,7 @@
 from plone.app.caching import purge
 from plone.app.event.base import dt_start_of_day
 from plone.app.event.recurrence import Occurrence
+from plone.app.multilingual.interfaces import IPloneAppMultilingualInstalled
 from plone.event.interfaces import IEventAccessor
 from plone.event.recurrence import recurrence_sequence_ical
 from plone.event.utils import pydt
@@ -132,3 +133,14 @@ def getPotentialMembers(self, searchString):
     if findAll or searchString:
         return self._old_getPotentialMembers(searchString)
     return []
+
+
+def plone_restapi_pam_translations_get(self, expand=False):
+    """If plone.app.multilingual is not installed get_restricted_translations will
+    search for the translations in the portal catalog with the unexisting index
+    TranslationsGruop. this measn that the method will iterate over the whole
+    catalog. We need to check if the method is available before calling it.
+    """
+    if not IPloneAppMultilingualInstalled.providedBy(self.request):
+        return {"translations": {"@id": f"{self.context.absolute_url()}/@translations"}}
+    return self._old___call__(expand=expand)

src/redturtle/volto/monkey.zcml

@@ -42,4 +42,12 @@
       preserveOriginal="True"
       />
 
+  <monkey:patch
+      original="__call__"
+      replacement=".monkey.plone_restapi_pam_translations_get"
+      class="plone.restapi.services.multilingual.pam.Translations"
+      description="Fix long request in case pam is not installed"
+      preserveOriginal="True"
+      />
+
 </configure>