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MA-792 Course Blocks and Navigation API (user-specific)

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This commit is contained in:
Nimisha Asthagiri
2015-06-05 14:52:02 -04:00
parent 037ef3be77
commit 4921ec48c8
10 changed files with 691 additions and 34 deletions
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12
common/djangoapps/util/module_utils.py
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@@ -3,7 +3,7 @@ Utility library containing operations used/shared by multiple courseware modules
"""
def yield_dynamic_descriptor_descendents(descriptor, module_creator): # pylint: disable=invalid-name
def yield_dynamic_descriptor_descendants(descriptor, user_id, module_creator): # pylint: disable=invalid-name
"""
This returns all of the descendants of a descriptor. If the descriptor
has dynamic children, the module will be created using module_creator
@@ -13,17 +13,21 @@ def yield_dynamic_descriptor_descendents(descriptor, module_creator): # pylint:
while len(stack) > 0:
next_descriptor = stack.pop()
stack.extend(get_dynamic_descriptor_children(next_descriptor, module_creator))
stack.extend(get_dynamic_descriptor_children(next_descriptor, user_id, module_creator))
yield next_descriptor
def get_dynamic_descriptor_children(descriptor, module_creator, usage_key_filter=None):
def get_dynamic_descriptor_children(descriptor, user_id, module_creator=None, usage_key_filter=None):
"""
Returns the children of the given descriptor, while supporting descriptors with dynamic children.
"""
module_children = []
if descriptor.has_dynamic_children():
module = module_creator(descriptor)
# do not rebind the module if it's already bound to a user.
if descriptor.scope_ids.user_id and user_id == descriptor.scope_ids.user_id:
module = descriptor
else:
module = module_creator(descriptor)
if module is not None:
module_children = module.get_child_descriptors()
else: