Allows working copy of the Portal (#1823)

* Allows working copy of the Portal

Allows working copy services to be accessed in the Portal. Also returns
working copy data in the Portal serialization.

* Add Changes

* Does not return working copy information when serializing Portal in
Plone 5.2

* better check for working copy support: test for feature instead of testing for version

* Update news/1823.feature

---------

Co-authored-by: David Glick <david@glicksoftware.com>

news/1823.feature

@@ -0,0 +1 @@
+Support working copies of the Plone Site. This feature is available when using `plone.app.iterate` 6.1.0 or later. @wesleybl

src/plone/restapi/serializer/dxcontent.py

@@ -42,6 +42,19 @@
     WorkingCopyInfo = None
 
 
+def update_with_working_copy_info(context, result):
+    if WorkingCopyInfo is None:
+        return
+
+    working_copy_info = WorkingCopyInfo(context)
+    try:
+        baseline, working_copy = working_copy_info.get_working_copy_info()
+    except TypeError:
+        # not supported for this content type
+        return
+    result.update({"working_copy": working_copy, "working_copy_of": baseline})
+
+
 def get_allow_discussion_value(context, request, result):
     # This test is to handle the situation of plone.app.discussion not being installed
     # or not being activated.
@@ -108,11 +121,7 @@ def __call__(self, version=None, include_items=True):
             result.update({"previous_item": {}, "next_item": {}})
 
         # Insert working copy information
-        if WorkingCopyInfo is not None:
-            baseline, working_copy = WorkingCopyInfo(
-                self.context
-            ).get_working_copy_info()
-            result.update({"working_copy": working_copy, "working_copy_of": baseline})
+        update_with_working_copy_info(self.context, result)
 
         # Insert locking information
         result.update({"lock": lock_info(obj)})

src/plone/restapi/serializer/site.py

@@ -12,6 +12,7 @@
 from plone.restapi.interfaces import ISerializeToJsonSummary
 from plone.restapi.serializer.converters import json_compatible
 from plone.restapi.serializer.dxcontent import get_allow_discussion_value
+from plone.restapi.serializer.dxcontent import update_with_working_copy_info
 from plone.restapi.serializer.expansion import expandable_elements
 from plone.restapi.serializer.utils import get_portal_type_title
 from plone.restapi.services.locking import lock_info
@@ -26,6 +27,7 @@
 from zope.schema import getFields
 from zope.security.interfaces import IPermission
 
+
 import json
 
 
@@ -74,6 +76,9 @@ def __call__(self, version=None):
             "description": self.context.description,
         }
 
+        # Insert working copy information
+        update_with_working_copy_info(self.context, result)
+
         if HAS_PLONE_6:
             result["UID"] = self.context.UID()
             # Insert review_state

src/plone/restapi/services/workingcopy/configure.zcml

@@ -39,4 +39,37 @@
       name="@workingcopy"
       />
 
+  <plone:service
+      method="GET"
+      factory=".get.GetWorkingCopy"
+      for="Products.CMFCore.interfaces.ISiteRoot"
+      permission="zope2.View"
+      name="@workingcopy"
+      />
+
+  <plone:service
+      method="POST"
+      factory=".create.CreateWorkingCopy"
+      for="Products.CMFCore.interfaces.ISiteRoot"
+      permission="plone.app.iterate.CheckOutContent"
+      name="@workingcopy"
+      />
+
+
+  <plone:service
+      method="PATCH"
+      factory=".update.UpdateWorkingCopy"
+      for="Products.CMFCore.interfaces.ISiteRoot"
+      permission="plone.app.iterate.CheckInContent"
+      name="@workingcopy"
+      />
+
+  <plone:service
+      method="DELETE"
+      factory=".delete.DeleteWorkingCopy"
+      for="Products.CMFCore.interfaces.ISiteRoot"
+      permission="zope2.DeleteObjects"
+      name="@workingcopy"
+      />
+
 </configure>