def next_course_to_review():
current_user = view_helpers.get_current_user()
uc = current_user.next_course_to_review() if current_user else None
if not uc:
return util.json_dumps({})
uc.select_for_review(current_user)
return util.json_dumps(uc.to_dict())
def next_course_to_review():
current_user = view_helpers.get_current_user()
uc = current_user.next_course_to_review() if current_user else None
if not uc:
return util.json_dumps({})
uc.select_for_review(current_user)
return util.json_dumps(uc.to_dict())
def schedule_screenshot_url():
user = view_helpers.get_current_user()
return util.json_dumps({
# Note that this may be None
"url": schedule_screenshot.get_screenshot_url(user)
})
def user_course_share():
user_course_id = flask.request.form['user_course_id']
review_type = flask.request.form['review_type']
current_user = view_helpers.get_current_user()
review = None
points_gained = 0
user_course = m.UserCourse.objects.get(
id=user_course_id, user_id=current_user.id)
if review_type == 'course':
review = user_course.course_review
points_gained = m.PointSource.SHARE_COURSE_REVIEW
elif review_type == 'professor':
review = user_course.professor_review
points_gained = m.PointSource.SHARE_PROFESSOR_REVIEW
# Only award points on the first share
if not review.share_date:
redis = view_helpers.get_redis_instance()
current_user.award_points(points_gained, redis)
else:
points_gained = 0
review.share_date = datetime.now()
user_course.save()
current_user.save()
return util.json_dumps({
'points_gained': points_gained,
})
def search_courses():
current_user = view_helpers.get_current_user()
courses, has_more = m.Course.search(flask.request.values, current_user)
course_dict_list, user_course_dict_list, user_course_list = (
m.Course.get_course_and_user_course_dicts(
courses, current_user, include_friends=True,
full_user_courses=False, include_sections=True))
professor_dict_list = m.Professor.get_reduced_professors_for_courses(
courses)
user_dict_list = []
if current_user:
user_ids = [uc['user_id'] for uc in user_course_dict_list
if uc['user_id'] != current_user.id]
users = m.User.objects(id__in=user_ids).only(*m.User.CORE_FIELDS)
user_dict_list = [u.to_dict() for u in users]
return util.json_dumps({
'user_objs': user_dict_list,
'course_objs': course_dict_list,
'professor_objs': professor_dict_list,
'user_course_objs': user_course_dict_list,
'has_more': has_more,
})
def user_course_share():
user_course_id = flask.request.form['user_course_id']
review_type = flask.request.form['review_type']
current_user = view_helpers.get_current_user()
review = None
points_gained = 0
user_course = m.UserCourse.objects.get(id=user_course_id,
user_id=current_user.id)
if review_type == 'course':
review = user_course.course_review
points_gained = m.PointSource.SHARE_COURSE_REVIEW
elif review_type == 'professor':
review = user_course.professor_review
points_gained = m.PointSource.SHARE_PROFESSOR_REVIEW
# Only award points on the first share
if not review.share_date:
redis = view_helpers.get_redis_instance()
current_user.award_points(points_gained, redis)
else:
points_gained = 0
review.share_date = datetime.now()
user_course.save()
current_user.save()
return util.json_dumps({
'points_gained': points_gained,
})
def schedule_screenshot_url():
user = view_helpers.get_current_user()
return util.json_dumps({
# Note that this may be None
"url": schedule_screenshot.get_screenshot_url(user)
})
def search_courses():
current_user = view_helpers.get_current_user()
courses, has_more = m.Course.search(flask.request.values, current_user)
course_dict_list, user_course_dict_list, user_course_list = (
m.Course.get_course_and_user_course_dicts(courses,
current_user,
include_friends=True,
full_user_courses=False,
include_sections=True))
professor_dict_list = m.Professor.get_reduced_professors_for_courses(
courses)
user_dict_list = []
if current_user:
user_ids = [
uc['user_id'] for uc in user_course_dict_list
if uc['user_id'] != current_user.id
]
users = m.User.objects(id__in=user_ids).only(*m.User.CORE_FIELDS)
user_dict_list = [u.to_dict() for u in users]
return util.json_dumps({
'user_objs': user_dict_list,
'course_objs': course_dict_list,
'professor_objs': professor_dict_list,
'user_course_objs': user_course_dict_list,
'has_more': has_more,
})
def get_courses(course_ids):
course_ids = [c.lower() for c in course_ids.split(',')]
courses = m.Course.objects(id__in=course_ids, )
# TODO(mack): not currently being called, fix it when it is needed
# course_objs = map(clean_course, courses)
course_objs = []
professor_objs = m.Professor.get_reduced_professor_for_courses(courses)
return util.json_dumps({
'course_objs': course_objs,
'professor_objs': professor_objs,
})
def invite_friend():
current_user = view_helpers.get_current_user()
orig_points = current_user.num_points
current_user.invite_friend(view_helpers.get_redis_instance())
current_user.save()
points_gained = current_user.num_points - orig_points
return util.json_dumps({
'num_invites': current_user.num_invites,
'points_gained': points_gained,
})
def invite_friend():
current_user = view_helpers.get_current_user()
orig_points = current_user.num_points
current_user.invite_friend(view_helpers.get_redis_instance())
current_user.save()
points_gained = current_user.num_points - orig_points
return util.json_dumps({
'num_invites': current_user.num_invites,
'points_gained': points_gained,
})
def last_schedule_paste():
user_id = flask.request.values.get('user_id')
if not user_id:
user_id = view_helpers.get_current_user().id
else:
user_id = bson.ObjectId(user_id)
user = m.User.objects.with_id(user_id)
last_schedule_paste = user.last_schedule_paste
return util.json_dumps({
'last_schedule_paste': last_schedule_paste,
})
def add_course_to_shortlist():
current_user = view_helpers.get_current_user()
user_course = m.UserCourse(
user_id=current_user.id,
course_id=flask.request.form.get('course_id'),
term_id=m.Term.SHORTLIST_TERM_ID,
)
user_course.save()
current_user.update(add_to_set__course_history=user_course.id)
return util.json_dumps({
'user_course': user_course.to_dict(),
})
def add_course_to_shortlist():
current_user = view_helpers.get_current_user()
user_course = m.UserCourse(
user_id=current_user.id,
course_id=flask.request.form.get('course_id'),
term_id=m.Term.SHORTLIST_TERM_ID,
)
user_course.save()
current_user.update(add_to_set__course_history=user_course.id)
return util.json_dumps({
'user_course': user_course.to_dict(),
})
def last_schedule_paste():
user_id = flask.request.values.get('user_id')
if not user_id:
user_id = view_helpers.get_current_user().id
else:
user_id = bson.ObjectId(user_id)
user = m.User.objects.with_id(user_id)
last_schedule_paste = user.last_schedule_paste
return util.json_dumps({
'last_schedule_paste': last_schedule_paste,
})
def get_courses(course_ids):
course_ids = [c.lower() for c in course_ids.split(',')]
courses = m.Course.objects(
id__in=course_ids,
)
# TODO(mack): not currently being called, fix it when it is needed
# course_objs = map(clean_course, courses)
course_objs = []
professor_objs = m.Professor.get_reduced_professor_for_courses(courses)
return util.json_dumps({
'course_objs': course_objs,
'professor_objs': professor_objs,
})
def pasted_schedule_users():
include_good_paste = bool(flask.request.values.get('include_good_paste'))
include_bad_paste = bool(flask.request.values.get('include_bad_paste'))
# Start off with a query that maches no one
query = me.Q(id__exists=False)
if include_good_paste:
query = query | me.Q(last_good_schedule_paste__exists=True)
if include_bad_paste:
query = query | me.Q(last_bad_schedule_paste__exists=True)
users = m.User.objects.filter(query).only('id')
user_ids = [user.id for user in users]
print 'num_users', len(user_ids)
return util.json_dumps({
'user_ids': user_ids,
})
def pasted_schedule_users():
include_good_paste = bool(flask.request.values.get('include_good_paste'))
include_bad_paste = bool(flask.request.values.get('include_bad_paste'))
# Start off with a query that maches no one
query = me.Q(id__exists=False)
if include_good_paste:
query = query | me.Q(last_good_schedule_paste__exists=True)
if include_bad_paste:
query = query | me.Q(last_bad_schedule_paste__exists=True)
users = m.User.objects.filter(query).only('id')
user_ids = [user.id for user in users]
print 'num_users', len(user_ids)
return util.json_dumps({
'user_ids': user_ids,
})
def test_json_dumps_prevents_xss(self):
self.assertEquals('["<\\/script>"]', util.json_dumps(["</script>"]))
def user_course():
uc_data = util.json_loads(flask.request.data)
user = view_helpers.get_current_user()
rmclogger.log_event(
rmclogger.LOG_CATEGORY_API,
rmclogger.LOG_EVENT_USER_COURSE, {
'uc_data': uc_data,
'user_id': user.id,
},
)
# Validate request object
course_id = uc_data.get('course_id')
term_id = uc_data.get('term_id')
if course_id is None or term_id is None:
logging.error("/api/user/course got course_id (%s) and term_id (%s)" %
(course_id, term_id))
# TODO(david): Perhaps we should have a request error function that
# returns a 400
raise exceptions.ImATeapot('No course_id or term_id set')
if not m.UserCourse.can_review(term_id):
logging.warning("%s attempted to rate %s in future/shortlist term %s"
% (user.id, course_id, term_id))
raise exceptions.ImATeapot(
"Can't review a course in the future or shortlist")
# Fetch existing UserCourse
uc = m.UserCourse.objects(
user_id=user.id,
course_id=uc_data['course_id'],
term_id=uc_data['term_id']
).first()
if uc is None:
logging.error("/api/user/course User course not found for "
"user_id=%s course_id=%s term_id=%s" %
(user.id, course_id, term_id))
# TODO(david): Perhaps we should have a request error function that
# returns a 400
raise exceptions.ImATeapot('No user course found')
orig_points = uc.num_points
# TODO(Sandy): Consider the case where the user picked a professor and
# rates them, but then changes the professor. We need to remove the ratings
# from the old prof's aggregated ratings and add them to the new prof's
# Maybe create professor if newly added
if uc_data.get('new_prof_added'):
new_prof_name = uc_data['new_prof_added']
# TODO(mack): should do guess_names first, and use that to
# generate the id
prof_id = m.Professor.get_id_from_name(new_prof_name)
uc.professor_id = prof_id
# TODO(Sandy): Have some kind of sanity check for professor names.
# Don't allow ridiculousness like "Santa Claus", "aksnlf",
# "swear words"
if m.Professor.objects(id=prof_id).count() == 0:
first_name, last_name = m.Professor.guess_names(new_prof_name)
m.Professor(
id=prof_id,
first_name=first_name,
last_name=last_name,
).save()
course = m.Course.objects.with_id(uc.course_id)
course.professor_ids = list(set(course.professor_ids) | {prof_id})
course.save()
logging.info("Added new course professor %s (name: %s)" % (prof_id,
new_prof_name))
elif uc_data.get('professor_id'):
uc.professor_id = uc_data['professor_id']
else:
uc.professor_id = None
now = datetime.now()
if uc_data.get('course_review'):
# New course review data
uc_data['course_review']['comment_date'] = now
uc.course_review.update(**uc_data['course_review'])
if uc_data.get('professor_review'):
# New prof review data
uc_data['professor_review']['comment_date'] = now
uc.professor_review.update(**uc_data['professor_review'])
uc.save()
points_gained = uc.num_points - orig_points
user.award_points(points_gained, view_helpers.get_redis_instance())
user.save()
return util.json_dumps({
'professor_review.comment_date': uc['professor_review'][
'comment_date'],
'course_review.comment_date': uc['course_review']['comment_date'],
'points_gained': points_gained,
})
def user_course():
uc_data = util.json_loads(flask.request.data)
user = view_helpers.get_current_user()
rmclogger.log_event(
rmclogger.LOG_CATEGORY_API,
rmclogger.LOG_EVENT_USER_COURSE,
{
'uc_data': uc_data,
'user_id': user.id,
},
)
# Validate request object
course_id = uc_data.get('course_id')
term_id = uc_data.get('term_id')
if course_id is None or term_id is None:
logging.error("/api/user/course got course_id (%s) and term_id (%s)" %
(course_id, term_id))
# TODO(david): Perhaps we should have a request error function that
# returns a 400
raise exceptions.ImATeapot('No course_id or term_id set')
if not m.UserCourse.can_review(term_id):
logging.warning("%s attempted to rate %s in future/shortlist term %s" %
(user.id, course_id, term_id))
raise exceptions.ImATeapot(
"Can't review a course in the future or shortlist")
# Fetch existing UserCourse
uc = m.UserCourse.objects(user_id=user.id,
course_id=uc_data['course_id'],
term_id=uc_data['term_id']).first()
if uc is None:
logging.error("/api/user/course User course not found for "
"user_id=%s course_id=%s term_id=%s" %
(user.id, course_id, term_id))
# TODO(david): Perhaps we should have a request error function that
# returns a 400
raise exceptions.ImATeapot('No user course found')
orig_points = uc.num_points
# TODO(Sandy): Consider the case where the user picked a professor and
# rates them, but then changes the professor. We need to remove the ratings
# from the old prof's aggregated ratings and add them to the new prof's
# Maybe create professor if newly added
if uc_data.get('new_prof_added'):
new_prof_name = uc_data['new_prof_added']
# TODO(mack): should do guess_names first, and use that to
# generate the id
prof_id = m.Professor.get_id_from_name(new_prof_name)
uc.professor_id = prof_id
# TODO(Sandy): Have some kind of sanity check for professor names.
# Don't allow ridiculousness like "Santa Claus", "aksnlf",
# "swear words"
if m.Professor.objects(id=prof_id).count() == 0:
first_name, last_name = m.Professor.guess_names(new_prof_name)
m.Professor(
id=prof_id,
first_name=first_name,
last_name=last_name,
).save()
course = m.Course.objects.with_id(uc.course_id)
course.professor_ids = list(set(course.professor_ids) | {prof_id})
course.save()
logging.info("Added new course professor %s (name: %s)" %
(prof_id, new_prof_name))
elif uc_data.get('professor_id'):
uc.professor_id = uc_data['professor_id']
else:
uc.professor_id = None
now = datetime.now()
if uc_data.get('course_review'):
# New course review data
uc_data['course_review']['comment_date'] = now
uc.course_review.update(**uc_data['course_review'])
if uc_data.get('professor_review'):
# New prof review data
uc_data['professor_review']['comment_date'] = now
uc.professor_review.update(**uc_data['professor_review'])
uc.save()
points_gained = uc.num_points - orig_points
user.award_points(points_gained, view_helpers.get_redis_instance())
user.save()
return util.json_dumps({
'professor_review.comment_date':
uc['professor_review']['comment_date'],
'course_review.comment_date':
uc['course_review']['comment_date'],
'points_gained':
points_gained,
})
def tojson(obj):
return util.json_dumps(obj)
def generic_stats():
return util.json_dumps(dashboard_data())
def generic_stats():
return util.json_dumps(dashboard_data())
def search_courses():
# TODO(mack): create enum of sort options
# num_friends, num_ratings, overall, interest, easiness
request = flask.request
keywords = request.values.get('keywords')
sort_mode = request.values.get('sort_mode', 'popular')
default_direction = COURSES_SORT_MODES_BY_NAME[sort_mode]['direction']
direction = int(request.values.get('direction', default_direction))
count = int(request.values.get('count', 10))
offset = int(request.values.get('offset', 0))
exclude_taken_courses = request.values.get('exclude_taken_courses')
current_user = view_helpers.get_current_user()
# TODO(david): These logging things should be done asynchronously
rmclogger.log_event(rmclogger.LOG_CATEGORY_COURSE_SEARCH,
rmclogger.LOG_EVENT_SEARCH_PARAMS, request.values)
filters = {}
if keywords:
# Clean keywords to just alphanumeric and space characters
keywords = re.sub(r'[^\w ]', ' ', keywords)
keywords = re.sub('\s+', ' ', keywords)
keywords = keywords.split(' ')
def regexify_keywords(keyword):
keyword = keyword.lower()
return re.compile('^%s' % keyword)
keywords = map(regexify_keywords, keywords)
filters['_keywords__all'] = keywords
if exclude_taken_courses == "yes":
if current_user:
ucs = (current_user.get_user_courses().only(
'course_id', 'term_id'))
filters['id__nin'] = [
uc.course_id for uc in ucs
if not m.term.Term.is_shortlist_term(uc.term_id)
]
else:
logging.error('Anonymous user tried excluding taken courses')
if sort_mode == 'friends_taken':
# TODO(mack): should only do if user is logged in
friends = m.User.objects(
id__in=current_user.friend_ids).only('course_history')
# TODO(mack): need to majorly optimize this
num_friends_by_course = {}
for friend in friends:
for course_id in friend.course_ids:
if not course_id in num_friends_by_course:
num_friends_by_course[course_id] = 0
num_friends_by_course[course_id] += 1
filters['id__in'] = num_friends_by_course.keys()
existing_courses = m.Course.objects(**filters).only('id')
existing_course_ids = set(c.id for c in existing_courses)
for course_id in num_friends_by_course.keys():
if course_id not in existing_course_ids:
del num_friends_by_course[course_id]
sorted_course_count_tuples = sorted(
num_friends_by_course.items(),
key=lambda (_, total): total,
reverse=direction < 0,
)[offset:offset + count]
sorted_course_ids = [
course_id for (course_id, total) in sorted_course_count_tuples
]
unsorted_limited_courses = m.Course.objects(id__in=sorted_course_ids)
limited_courses_by_id = {}
for course in unsorted_limited_courses:
limited_courses_by_id[course.id] = course
limited_courses = []
for course_id in sorted_course_ids:
limited_courses.append(limited_courses_by_id[course_id])
else:
sort_options = COURSES_SORT_MODES_BY_NAME[sort_mode]
if sort_mode in RATING_SORT_MODES:
sort_instr = '-' + sort_options['field']
sort_instr += "_positive" if direction < 0 else "_negative"
else:
sort_instr = ''
if direction < 0:
sort_instr = '-'
sort_instr += sort_options['field']
unsorted_courses = m.Course.objects(**filters)
sorted_courses = unsorted_courses.order_by(sort_instr)
limited_courses = sorted_courses.skip(offset).limit(count)
has_more = len(limited_courses) == count
course_dict_list, user_course_dict_list, user_course_list = (
m.Course.get_course_and_user_course_dicts(limited_courses,
current_user,
include_friends=True,
full_user_courses=False,
include_sections=True))
professor_dict_list = m.Professor.get_reduced_professors_for_courses(
limited_courses)
user_dict_list = []
if current_user:
user_ids = [
uc['user_id'] for uc in user_course_dict_list
if uc['user_id'] != current_user.id
]
users = m.User.objects(id__in=user_ids).only(*m.User.CORE_FIELDS)
user_dict_list = [u.to_dict() for u in users]
return util.json_dumps({
'user_objs': user_dict_list,
'course_objs': course_dict_list,
'professor_objs': professor_dict_list,
'user_course_objs': user_course_dict_list,
'has_more': has_more,
})
def tojson(obj):
return util.json_dumps(obj)
def search_courses():
# TODO(mack): create enum of sort options
# num_friends, num_ratings, overall, interest, easiness
request = flask.request
keywords = request.values.get('keywords')
sort_mode = request.values.get('sort_mode', 'popular')
default_direction = COURSES_SORT_MODES_BY_NAME[sort_mode]['direction']
direction = int(request.values.get('direction', default_direction))
count = int(request.values.get('count', 10))
offset = int(request.values.get('offset', 0))
exclude_taken_courses = request.values.get('exclude_taken_courses')
current_user = view_helpers.get_current_user()
# TODO(david): These logging things should be done asynchronously
rmclogger.log_event(
rmclogger.LOG_CATEGORY_COURSE_SEARCH,
rmclogger.LOG_EVENT_SEARCH_PARAMS,
request.values
)
filters = {}
if keywords:
# Clean keywords to just alphanumeric and space characters
keywords = re.sub(r'[^\w ]', ' ', keywords)
keywords = re.sub('\s+', ' ', keywords)
keywords = keywords.split(' ')
def regexify_keywords(keyword):
keyword = keyword.lower()
return re.compile('^%s' % keyword)
keywords = map(regexify_keywords, keywords)
filters['_keywords__all'] = keywords
if exclude_taken_courses == "yes":
if current_user:
ucs = (current_user.get_user_courses()
.only('course_id', 'term_id'))
filters['id__nin'] = [
uc.course_id for uc in ucs
if not m.term.Term.is_shortlist_term(uc.term_id)
]
else:
logging.error('Anonymous user tried excluding taken courses')
if sort_mode == 'friends_taken':
# TODO(mack): should only do if user is logged in
friends = m.User.objects(id__in=current_user.friend_ids).only(
'course_history')
# TODO(mack): need to majorly optimize this
num_friends_by_course = {}
for friend in friends:
for course_id in friend.course_ids:
if not course_id in num_friends_by_course:
num_friends_by_course[course_id] = 0
num_friends_by_course[course_id] += 1
filters['id__in'] = num_friends_by_course.keys()
existing_courses = m.Course.objects(**filters).only('id')
existing_course_ids = set(c.id for c in existing_courses)
for course_id in num_friends_by_course.keys():
if course_id not in existing_course_ids:
del num_friends_by_course[course_id]
sorted_course_count_tuples = sorted(
num_friends_by_course.items(),
key=lambda (_, total): total,
reverse=direction < 0,
)[offset:offset + count]
sorted_course_ids = [course_id for (course_id, total)
in sorted_course_count_tuples]
unsorted_limited_courses = m.Course.objects(id__in=sorted_course_ids)
limited_courses_by_id = {}
for course in unsorted_limited_courses:
limited_courses_by_id[course.id] = course
limited_courses = []
for course_id in sorted_course_ids:
limited_courses.append(limited_courses_by_id[course_id])
else:
sort_options = COURSES_SORT_MODES_BY_NAME[sort_mode]
if sort_mode in RATING_SORT_MODES:
sort_instr = '-' + sort_options['field']
sort_instr += "_positive" if direction < 0 else "_negative"
else:
sort_instr = ''
if direction < 0:
sort_instr = '-'
sort_instr += sort_options['field']
unsorted_courses = m.Course.objects(**filters)
sorted_courses = unsorted_courses.order_by(sort_instr)
limited_courses = sorted_courses.skip(offset).limit(count)
has_more = len(limited_courses) == count
course_dict_list, user_course_dict_list, user_course_list = (
m.Course.get_course_and_user_course_dicts(
limited_courses, current_user, include_friends=True,
full_user_courses=False, include_sections=True))
professor_dict_list = m.Professor.get_reduced_professors_for_courses(
limited_courses)
user_dict_list = []
if current_user:
user_ids = [uc['user_id'] for uc in user_course_dict_list
if uc['user_id'] != current_user.id]
users = m.User.objects(id__in=user_ids).only(*m.User.CORE_FIELDS)
user_dict_list = [u.to_dict() for u in users]
return util.json_dumps({
'user_objs': user_dict_list,
'course_objs': course_dict_list,
'professor_objs': professor_dict_list,
'user_course_objs': user_course_dict_list,
'has_more': has_more,
})
