def get(self, request, usage_key_str):
"""
Get the LTI launch URL for the XBlock.
"""
key = LibraryUsageLocatorV2.from_string(usage_key_str)
api.require_permission_for_library_key(key.lib_key, request.user, permissions.CAN_VIEW_THIS_CONTENT_LIBRARY)
# Get the block to validate its existence
api.get_library_block(key)
lti_login_url = f"{reverse('content_libraries:lti-launch')}?id={key}"
return Response({"lti_url": lti_login_url})
def get(self, request, usage_key_str):
"""
Get metadata about an existing XBlock in the content library
"""
key = LibraryUsageLocatorV2.from_string(usage_key_str)
api.require_permission_for_library_key(key.lib_key, request.user, permissions.CAN_VIEW_THIS_CONTENT_LIBRARY)
result = api.get_library_block(key)
return Response(LibraryXBlockMetadataSerializer(result).data)