def handle_item_deleted(**kwargs):
"""
Receives the item_deleted signal sent by Studio when an XBlock is removed from
the course structure and removes any gating milestone data associated with it or
its descendants.
Arguments:
kwargs (dict): Contains the content usage key of the item deleted
Returns:
None
"""
usage_key = kwargs.get('usage_key')
if usage_key:
# Strip branch info
usage_key = usage_key.for_branch(None)
course_key = usage_key.course_key
deleted_module = modulestore().get_item(usage_key)
for module in yield_dynamic_descriptor_descendants(
deleted_module, kwargs.get('user_id')):
# Remove prerequisite milestone data
gating_api.remove_prerequisite(module.location)
# Remove any 'requires' course content milestone relationships
gating_api.set_required_content(course_key, module.location, None,
None, None)
def test_prerequisites(self):
""" Test test_prerequisites """
gating_api.add_prerequisite(self.course.id, self.seq1.location)
prereqs = gating_api.get_prerequisites(self.course.id)
self.assertEqual(len(prereqs), 1)
self.assertEqual(prereqs[0]['block_display_name'], self.seq1.display_name)
self.assertEqual(prereqs[0]['block_usage_key'], unicode(self.seq1.location))
self.assertTrue(gating_api.is_prerequisite(self.course.id, self.seq1.location))
gating_api.remove_prerequisite(self.seq1.location)
self.assertEqual(len(gating_api.get_prerequisites(self.course.id)), 0)
self.assertFalse(gating_api.is_prerequisite(self.course.id, self.seq1.location))
def test_prerequisites(self):
""" Test test_prerequisites """
gating_api.add_prerequisite(self.course.id, self.seq1.location)
prereqs = gating_api.get_prerequisites(self.course.id)
assert len(prereqs) == 1
assert prereqs[0]['block_display_name'] == self.seq1.display_name
assert prereqs[0]['block_usage_key'] == str(self.seq1.location)
assert gating_api.is_prerequisite(self.course.id, self.seq1.location)
gating_api.remove_prerequisite(self.seq1.location)
assert len(gating_api.get_prerequisites(self.course.id)) == 0
assert not gating_api.is_prerequisite(self.course.id, self.seq1.location)
def handle_item_deleted(**kwargs):
"""
Receives the item_deleted signal sent by Studio when an XBlock is removed from
the course structure and removes any gating milestone data associated with it or
its descendants.
Arguments:
kwargs (dict): Contains the content usage key of the item deleted
Returns:
None
"""
usage_key = kwargs.get('usage_key')
if usage_key:
# Strip branch info
usage_key = usage_key.for_branch(None)
course_key = usage_key.course_key
deleted_module = modulestore().get_item(usage_key)
for module in yield_dynamic_descriptor_descendants(deleted_module, kwargs.get('user_id')):
# Remove prerequisite milestone data
gating_api.remove_prerequisite(module.location)
# Remove any 'requires' course content milestone relationships
gating_api.set_required_content(course_key, module.location, None, None)
