Add is_multilingual to @site endpoint

Author: sneridagh

src/plone/restapi/services/site/get.py

@@ -5,6 +5,7 @@
 from plone.event.utils import validated_timezone
 from plone.i18n.interfaces import ILanguageSchema
 from plone.registry.interfaces import IRegistry
+from plone.restapi import HAS_MULTILINGUAL
 from plone.restapi.bbb import IImagingSchema
 from plone.restapi.bbb import ISiteSchema
 from plone.restapi.interfaces import IExpandableElement
@@ -18,6 +19,10 @@
 from zope.interface import Interface
 
 
+if HAS_MULTILINGUAL:
+    from plone.app.multilingual.interfaces import IPloneAppMultilingualInstalled
+
+
 @implementer(IExpandableElement)
 @adapter(Interface, Interface)
 class Site:
@@ -54,6 +59,11 @@ def __call__(self, expand=False):
             }
         )
 
+        if HAS_MULTILINGUAL and IPloneAppMultilingualInstalled.providedBy(self.request):
+            result["site"]["plone.is_multilingual"] = True
+        else:
+            result["site"]["plone.is_multilingual"] = False
+
         return result
 
     def plone_timezone(self):

src/plone/restapi/tests/test_services_site.py

@@ -1,9 +1,12 @@
 # -*- coding: utf-8 -*-
+from plone.app.multilingual.interfaces import IPloneAppMultilingualInstalled
 from plone.app.testing import setRoles
 from plone.app.testing import TEST_USER_ID
 from plone.restapi.testing import PLONE_RESTAPI_DX_FUNCTIONAL_TESTING
+from plone.restapi.testing import PLONE_RESTAPI_DX_PAM_FUNCTIONAL_TESTING
 from plone.restapi.testing import RelativeSession
 from zope.component import getMultiAdapter
+from zope.interface import alsoProvides
 
 import unittest
 
@@ -38,3 +41,29 @@ def test_get_site(self):
         self.assertIn("plone.available_languages", response.json())
         self.assertIn("plone.default_language", response.json())
         self.assertEqual(response.json()["plone.portal_timezone"], "UTC")
+        self.assertEqual(response.json()["plone.is_multilingual"], False)
+
+
+class TestServicesSiteMultilingual(unittest.TestCase):
+
+    layer = PLONE_RESTAPI_DX_PAM_FUNCTIONAL_TESTING
+
+    def setUp(self):
+        self.portal = self.layer["portal"]
+        self.portal_url = self.portal.absolute_url()
+        self.request = self.layer["request"]
+
+        self.api_session = RelativeSession(self.portal_url, test=self)
+        self.api_session.headers.update({"Accept": "application/json"})
+
+        alsoProvides(self.layer["request"], IPloneAppMultilingualInstalled)
+
+    def tearDown(self):
+        self.api_session.close()
+
+    def test_site_is_multilingual(self):
+        response = self.api_session.get("/@site")
+
+        self.assertEqual(response.status_code, 200)
+        self.assertIn("plone.is_multilingual", response.json())
+        self.assertEqual(response.json()["plone.is_multilingual"], True)