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@@ -1,3 +1,4 @@
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from collections import defaultdict
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from importlib import import_module
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from courseware.models import StudentModuleCache
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from courseware.module_render import get_module
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@@ -18,11 +19,11 @@ import urllib
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import pystache_custom as pystache
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# TODO these should be cached via django's caching rather than in-memory globals
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_FULLMODULES = None
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_DISCUSSIONINFO = None
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def extract(dic, keys):
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return {k: dic.get(k) for k in keys}
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@@ -40,81 +41,93 @@ def merge_dict(dic1, dic2):
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def get_full_modules():
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global _FULLMODULES
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if not _FULLMODULES:
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class_path = settings.MODULESTORE['default']['ENGINE']
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module_path, _, class_name = class_path.rpartition('.')
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class_ = getattr(import_module(module_path), class_name)
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# TODO (vshnayder): wth is this doing???
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modulestore = class_(**dict(settings.MODULESTORE['default']['OPTIONS'].items()))
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_FULLMODULES = modulestore.modules
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_FULLMODULES = modulestore().modules
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return _FULLMODULES
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def get_categorized_discussion_info(request, course):
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def get_discussion_id_map(course):
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"""
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return a dict of the form {category: modules}
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"""
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global _DISCUSSIONINFO
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if not _DISCUSSIONINFO:
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initialize_discussion_info(request, course)
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return _DISCUSSIONINFO['categorized']
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initialize_discussion_info(course)
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return _DISCUSSIONINFO['id_map']
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def get_discussion_title(request, course, discussion_id):
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global _DISCUSSIONINFO
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if not _DISCUSSIONINFO:
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initialize_discussion_info(request, course)
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title = _DISCUSSIONINFO['by_id'].get(discussion_id, {}).get('title', '(no title)')
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initialize_discussion_info(course)
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title = _DISCUSSIONINFO['id_map'].get(discussion_id, {}).get('title', '(no title)')
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return title
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def initialize_discussion_info(request, course):
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def get_discussion_category_map(course):
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global _DISCUSSIONINFO
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if not _DISCUSSIONINFO:
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initialize_discussion_info(course)
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return _DISCUSSIONINFO['category_map']
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def sort_map_entries(category_map):
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things = []
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for title, entry in category_map["entries"].items():
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things.append((title, entry))
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for title, category in category_map["subcategories"].items():
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things.append((title, category))
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sort_map_entries(category_map["subcategories"][title])
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category_map["children"] = [x[0] for x in sorted(things, key=lambda x: x[1]["sort_key"])]
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def initialize_discussion_info(course):
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global _DISCUSSIONINFO
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if _DISCUSSIONINFO:
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return
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course_id = course.id
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_, course_name, _ = course_id.split('/')
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user = request.user
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url_course_id = course_id.replace('/', '_').replace('.', '_')
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_is_course_discussion = lambda x: x[0].dict()['category'] == 'discussion' \
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and x[0].dict()['course'] == course_name
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all_modules = get_full_modules()[course_id]
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_get_module_descriptor = operator.itemgetter(1)
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discussion_id_map = {}
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unexpanded_category_map = defaultdict(list)
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for location, module in all_modules.items():
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if location.category == 'discussion':
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id = module.metadata['id']
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category = module.metadata['discussion_category']
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title = module.metadata['for']
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sort_key = module.metadata.get('sort_key', title)
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discussion_id_map[id] = {"location": location, "title": title}
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category = " / ".join([x.strip() for x in category.split("/")])
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unexpanded_category_map[category].append({"title": title, "id": id,
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"sort_key": sort_key})
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def _get_module(module_descriptor):
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print module_descriptor
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module = get_module(user, request, module_descriptor.location, student_module_cache)
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return module
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category_map = {"entries": defaultdict(dict), "subcategories": defaultdict(dict)}
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for category_path, entries in unexpanded_category_map.items():
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node = category_map["subcategories"]
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path = [x.strip() for x in category_path.split("/")]
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for level in path[:-1]:
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if level not in node:
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node[level] = {"subcategories": defaultdict(dict),
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"entries": defaultdict(dict),
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"sort_key": level}
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node = node[level]["subcategories"]
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def _extract_info(module):
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return {
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'title': module.title,
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'discussion_id': module.discussion_id,
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'category': module.discussion_category,
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}
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level = path[-1]
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if level not in node:
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node[level] = {"subcategories": defaultdict(dict),
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"entries": defaultdict(dict),
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"sort_key": level}
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for entry in entries:
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node[level]["entries"][entry["title"]] = {"id": entry["id"],
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"sort_key": entry["sort_key"]}
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def _pack_with_id(info):
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return (info['discussion_id'], info)
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discussion_module_descriptors = map(_get_module_descriptor,
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filter(_is_course_discussion,
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get_full_modules().items()))
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student_module_cache = StudentModuleCache.cache_for_descriptor_descendents(user, course)
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discussion_info = map(_extract_info, map(_get_module, discussion_module_descriptors))
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sort_map_entries(category_map)
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_DISCUSSIONINFO = {}
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_DISCUSSIONINFO['by_id'] = dict(map(_pack_with_id, discussion_info))
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_DISCUSSIONINFO['id_map'] = discussion_id_map
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_DISCUSSIONINFO['categorized'] = dict((category, list(l)) \
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for category, l in itertools.groupby(discussion_info, operator.itemgetter('category')))
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_DISCUSSIONINFO['categorized']['General'] = [{
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'title': 'General discussion',
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'discussion_id': url_course_id,
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'category': 'General',
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}]
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_DISCUSSIONINFO['category_map'] = category_map
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class JsonResponse(HttpResponse):
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def __init__(self, data=None):
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@@ -221,6 +234,17 @@ def extend_content(content):
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}
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return merge_dict(content, content_info)
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def get_courseware_context(content, course):
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id_map = get_discussion_id_map(course)
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id = content['commentable_id']
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content_info = None
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if id in id_map:
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location = id_map[id]["location"].url()
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title = id_map[id]["title"]
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content_info = { "courseware_location": location, "courseware_title": title}
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return content_info
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def safe_content(content):
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fields = [
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'id', 'title', 'body', 'course_id', 'anonymous', 'endorsed',
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