def get(self, request, course_id=None):
"""
Gets a course progress status.
Args:
request (Request): Django request object.
course_id (string): URI element specifying the course location.
Can also be passed as a GET parameter instead.
Return:
A JSON serialized representation of the requesting user's current grade status.
"""
username = request.GET.get('username')
if not course_id:
course_id = request.GET.get('course_id')
# Validate course exists with provided course_id
try:
course_key = CourseKey.from_string(course_id)
except InvalidKeyError:
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message='The provided course key cannot be parsed.',
error_code='invalid_course_key'
)
if not CourseOverview.get_from_id_if_exists(course_key):
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message="Requested grade for unknown course {course}".format(course=course_id),
error_code='course_does_not_exist'
)
if username:
# If there is a username passed, get grade for a single user
try:
return self._get_single_user_grade(request, course_key)
except USER_MODEL.DoesNotExist:
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message='The user matching the requested username does not exist.',
error_code='user_does_not_exist'
)
except CourseEnrollment.DoesNotExist:
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message='The user matching the requested username is not enrolled in this course',
error_code='user_not_enrolled'
)
else:
# If no username passed, get paginated list of grades for all users in course
return self._get_user_grades(course_key)
def get(self, request, course_id=None, username=None, *args, **kwargs):
if not username:
username = request.GET.get('username')
if not course_id:
course_id = request.GET.get('course_id')
# Validate course exists with provided course_id
try:
course_key = CourseKey.from_string(course_id)
except InvalidKeyError:
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message='The provided course key cannot be parsed.',
error_code='invalid_course_key')
if not CourseOverview.get_from_id_if_exists(course_key):
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message="Requested grade for unknown course {course}"
.format(course=course_id),
error_code='course_does_not_exist')
self.course_section_mapping = _get_course_section_mapping(
request, course_id)
# if username:
# If there is a username passed, get badge progress for a single user
try:
return Response(
self._get_single_user_badge_progress(course_key, username))
except USER_MODEL.DoesNotExist:
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message=
'The user matching the requested username does not exist.',
error_code='user_does_not_exist')
except CourseEnrollment.DoesNotExist:
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message=
'The user matching the requested username is not enrolled in this course',
error_code='user_not_enrolled')
def wrapped_function(self, request, **kwargs):
"""
Wraps the given view_function.
"""
try:
course_key = get_course_key(request, kwargs.get('course_id'))
except InvalidKeyError:
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message='The provided course key cannot be parsed.',
error_code='invalid_course_key')
if not CourseOverview.get_from_id_if_exists(course_key):
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message=u"Requested grade for unknown course {course}"
.format(course=text_type(course_key)),
error_code='course_does_not_exist')
return view_func(self, request, **kwargs)
def wrapped_function(self, request, **kwargs):
"""
Wraps the given view_function.
"""
try:
course_key = get_course_key(request, kwargs.get('course_id'))
except InvalidKeyError:
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message='The provided course key cannot be parsed.',
error_code='invalid_course_key'
)
if not CourseOverview.get_from_id_if_exists(course_key):
raise self.api_error(
status_code=status.HTTP_404_NOT_FOUND,
developer_message="Requested grade for unknown course {course}".format(course=text_type(course_key)),
error_code='course_does_not_exist'
)
return view_func(self, request, **kwargs)
