def permissions(self):
# type: () -> frozenset[Tuple[Text, Optional[Text]]]
if self.participation is None:
if self._permissions_cache is not None:
return self._permissions_cache
from course.enrollment import get_participation_permissions
perm = get_participation_permissions(self.course, self.participation)
self._permissions_cache = perm
return perm
else:
return self.participation.permissions()
def permissions(self):
# type: () -> FrozenSet[Tuple[Text, Optional[Text]]]
if self.participation is None:
if self._permissions_cache is not None:
return self._permissions_cache
from course.enrollment import get_participation_permissions
perm = get_participation_permissions(self.course, self.participation)
self._permissions_cache = perm
return perm
else:
return self.participation.permissions()
def home(request):
# type: (http.HttpRequest) -> http.HttpResponse
now_datetime = get_now_or_fake_time(request)
current_courses = []
past_courses = []
for course in Course.objects.filter(listed=True):
participation = get_participation_for_request(request, course)
show = True
if course.hidden:
perms = get_participation_permissions(course, participation)
if (pperm.view_hidden_course_page, None) not in perms:
show = False
if not course.listed:
show = False
if show:
if (course.end_date is None
or now_datetime.date() <= course.end_date):
current_courses.append(course)
else:
past_courses.append(course)
def course_sort_key_minor(course):
return course.number if course.number is not None else ""
def course_sort_key_major(course):
return (course.start_date
if course.start_date is not None else now_datetime.date())
current_courses.sort(key=course_sort_key_minor)
past_courses.sort(key=course_sort_key_minor)
current_courses.sort(key=course_sort_key_major, reverse=True)
past_courses.sort(key=course_sort_key_major, reverse=True)
return render(request, "course/home.html", {
"current_courses": current_courses,
"past_courses": past_courses,
})
def home(request):
# type: (http.HttpRequest) -> http.HttpResponse
now_datetime = get_now_or_fake_time(request)
current_courses = []
past_courses = []
for course in Course.objects.filter(listed=True):
participation = get_participation_for_request(request, course)
show = True
if course.hidden:
perms = get_participation_permissions(course, participation)
if (pperm.view_hidden_course_page, None) not in perms:
show = False
if not course.listed:
show = False
if show:
if (course.end_date is None
or now_datetime.date() <= course.end_date):
current_courses.append(course)
else:
past_courses.append(course)
def course_sort_key_minor(course):
return course.number if course.number is not None else ""
def course_sort_key_major(course):
return (course.start_date
if course.start_date is not None else now_datetime.date())
current_courses.sort(key=course_sort_key_minor)
past_courses.sort(key=course_sort_key_minor)
current_courses.sort(key=course_sort_key_major, reverse=True)
past_courses.sort(key=course_sort_key_major, reverse=True)
return render(request, "course/home.html", {
"current_courses": current_courses,
"past_courses": past_courses,
})
def get_repo_file_backend(
request, # type: http.HttpRequest
course, # type: Course
participation, # type: Optional[Participation]
commit_sha, # type: bytes
path, # type: str
):
# type: (...) -> http.HttpResponse # noqa
"""
Check if a file should be accessible. Then call for it if
the permission is not denied.
Order is important here. An in-exam request takes precedence.
Note: an access_role of "public" is equal to "unenrolled"
"""
# check to see if the course is hidden
check_course_state(course, participation)
# set access to public (or unenrolled), student, etc
if request.relate_exam_lockdown:
access_kinds = ["in_exam"]
else:
from course.enrollment import get_participation_permissions
access_kinds = [
arg for perm, arg in get_participation_permissions(
course, participation)
if perm == pperm.access_files_for and arg is not None
]
from course.content import is_repo_file_accessible_as
# retrieve local path for the repo for the course
with get_course_repo(course) as repo:
if not is_repo_file_accessible_as(access_kinds, repo, commit_sha,
path):
raise PermissionDenied()
return get_repo_file_response(repo, path, commit_sha)
def get_repo_file_backend(
request, # type: http.HttpRequest
course, # type: Course
participation, # type: Optional[Participation]
commit_sha, # type: bytes
path, # type: str
):
# type: (...) -> http.HttpResponse # noqa
"""
Check if a file should be accessible. Then call for it if
the permission is not denied.
Order is important here. An in-exam request takes precedence.
Note: an access_role of "public" is equal to "unenrolled"
"""
# check to see if the course is hidden
check_course_state(course, participation)
# retrieve local path for the repo for the course
repo = get_course_repo(course)
# set access to public (or unenrolled), student, etc
if request.relate_exam_lockdown:
access_kinds = ["in_exam"]
else:
from course.enrollment import get_participation_permissions
access_kinds = [
arg
for perm, arg in get_participation_permissions(course, participation)
if perm == pperm.access_files_for
and arg is not None]
from course.content import is_repo_file_accessible_as
if not is_repo_file_accessible_as(access_kinds, repo, commit_sha, path):
raise PermissionDenied()
return get_repo_file_response(repo, path, commit_sha)
