##parameters=type_name, datamodel
# $Id: cpsdocument_create_do.py 34091 2006-03-06 18:37:08Z atchertchian $
"""
Create an empty object in the context according to the datamodel.

Datamodel may be examined to create a suitable id.

Returns the created object (usually a proxy).
"""
from Products.CMFCore.utils import getToolByName

id = datamodel.get('prefix').upper()
datamodel.set('prefix',id)
bl = context.portal_catalog({'meta_type': "ScratchCardBatch"})
b_ids = [b.getId(), for b in bl]
next = 1
while "%(prefix)s_%(next)d" % vars() in b_ids:
    next += 1
id = "%(prefix)s_%(next)d" % vars()
##if not id:
##    id = 'my ' + type_name
##id = context.computeId(compute_from=id) # XXX shouldn't use a skin
##
language = datamodel.get('Language')
if not language:
    ts = getToolByName(context, 'translation_service')
    language = ts.getSelectedLanguage()

# Datamodel is passed so that flexti can initialize the object.
new_id = context.invokeFactory(type_name, id, datamodel=datamodel,
                               language=language,
                               )
if new_id is not None:
    id = new_id

ob = getattr(context, id)
ob.getContent().edit(mapping=datamodel)

context.notifyCPSDocumentCreation(ob=ob) # BBB obsolete in CPS 3.5.0

return ob