def get_prep(self):
student = self.personalize_page_and_get_enrolled()
if not student:
return
if not self.assert_participant_or_fail(student):
return
# Extract incoming args
unit_id = self.request.get('name')
course = self.get_course()
unit = course.find_unit_by_id(unit_id)
if not unit:
self.error(404)
return
self.template_value['navbar'] = {'course': True}
self.template_value['assessment_title'] = unit.title
self.template_value['assessment_name'] = unit_id
reason = AssessmentTracker.reason_if_cant_take(student, unit_id)
if reason:
self.template_value['error'] = reason
self.render('assessment_denied.html')
return
params = dict(self.request.params)
params['action'] = 'prep'
self.template_value['form_action'] = self.request.path_url + "?" + urllib.urlencode(params)
self.template_value['xsrf_token'] = self.create_xsrf_token('prep')
self.render('assessment_prep.html')
def get_prep(self):
student = self.personalize_page_and_get_enrolled()
if not student:
return
if not self.assert_participant_or_fail(student):
return
# Extract incoming args
unit_id = self.request.get("name")
course = self.get_course()
unit = course.find_unit_by_id(unit_id)
if not unit:
self.error(404)
return
self.template_value["navbar"] = {"course": True}
self.template_value["assessment_title"] = unit.title
self.template_value["assessment_name"] = unit_id
reason = AssessmentTracker.reason_if_cant_take(student, unit_id)
if reason:
self.template_value["error"] = reason
self.render("assessment_denied.html")
return
params = dict(self.request.params)
params["action"] = "prep"
self.template_value["form_action"] = self.request.path_url + "?" + urllib.urlencode(params)
self.template_value["xsrf_token"] = self.create_xsrf_token("prep")
self.render("assessment_prep.html")
def get_start(self):
"""Handles GET requests."""
student = self.personalize_page_and_get_enrolled()
if not student:
return
if not self.assert_participant_or_fail(student):
return
# Extract incoming args
unit_id = self.request.get('name')
course = self.get_course()
unit = course.find_unit_by_id(unit_id)
if not unit:
self.error(404)
return
self.template_value['navbar'] = {'course': True}
try:
AssessmentTracker.try_start_test(student, unit_id)
except ValueError as e:
self.template_value['error'] = e.message
self.render('assessment_denied.html')
return
self.template_value['unit_id'] = unit_id
self.template_value['record_events'] = CAN_PERSIST_ACTIVITY_EVENTS.value
self.template_value['assessment_xsrf_token'] = (
XsrfTokenManager.create_xsrf_token('assessment-post'))
self.template_value['event_xsrf_token'] = (
XsrfTokenManager.create_xsrf_token('event-post'))
self.template_value['grader'] = unit.workflow.get_grader()
readonly_view = False
due_date_exceeded = False
submission_due_date = unit.workflow.get_submission_due_date()
if submission_due_date:
self.template_value['submission_due_date'] = (
submission_due_date.strftime(HUMAN_READABLE_DATETIME_FORMAT))
time_now = datetime.datetime.now()
if time_now > submission_due_date:
readonly_view = True
due_date_exceeded = True
self.template_value['due_date_exceeded'] = True
if course.needs_human_grader(unit):
self.template_value['matcher'] = unit.workflow.get_matcher()
rp = course.get_reviews_processor()
review_steps_by = rp.get_review_steps_by(
unit.unit_id, student.get_key())
# Determine if the student can see others' reviews of his/her work.
if (ReviewUtils.has_completed_enough_reviews(
review_steps_by, unit.workflow.get_review_min_count())):
submission_and_review_steps = (
rp.get_submission_and_review_steps(
unit.unit_id, student.get_key()))
submission_contents = submission_and_review_steps[0]
review_steps_for = submission_and_review_steps[1]
review_keys_for_student = []
for review_step in review_steps_for:
can_show_review = (
review_step.state == domain.REVIEW_STATE_COMPLETED
and not review_step.removed
and review_step.review_key
)
if can_show_review:
review_keys_for_student.append(review_step.review_key)
reviews_for_student = rp.get_reviews_by_keys(
unit.unit_id, review_keys_for_student)
self.template_value['reviews_received'] = [
create_readonly_assessment_params(
course.get_review_form_content(unit),
StudentWorkUtils.get_answer_list(review)
) for review in reviews_for_student]
else:
submission_contents = student_work.Submission.get_contents(
unit.unit_id, student.get_key())
# Determine whether to show the assessment in readonly mode.
if submission_contents or due_date_exceeded:
readonly_view = True
self.template_value['readonly_student_assessment'] = (
create_readonly_assessment_params(
course.get_assessment_content(unit),
StudentWorkUtils.get_answer_list(submission_contents)
)
)
if not readonly_view:
self.template_value['assessment_script_src'] = (
self.get_course().get_assessment_filename(unit_id))
# If a previous submission exists, reinstate it.
submission_contents = student_work.Submission.get_contents(
unit.unit_id, student.get_key())
saved_answers = (
StudentWorkUtils.get_answer_list(submission_contents)
if submission_contents else [])
self.template_value['saved_answers'] = transforms.dumps(
saved_answers)
self.render('assessment.html')
def post(self):
"""Handles POST requests."""
student = self.personalize_page_and_get_enrolled()
if not student:
return
if not self.assert_xsrf_token_or_fail(self.request, 'assessment-post'):
return
if not self.assert_participant_or_fail(student):
return
course = self.get_course()
assessment_type = self.request.get('assessment_type')
if not assessment_type:
self.error(404)
logging.error('No assessment type supplied.')
return
unit = course.find_unit_by_id(assessment_type)
if unit is None or unit.type != verify.UNIT_TYPE_ASSESSMENT:
self.error(404)
logging.error('No assessment named %s exists.', assessment_type)
return
self.template_value['navbar'] = {'course': True}
try:
AssessmentTracker.try_submit_test(student, assessment_type)
except ValueError as e:
self.template_value['error'] = e.message
self.render('assessment_denied.html')
return
self.template_value['assessment'] = assessment_type
self.template_value['assessment_name'] = unit.title
self.template_value['can_take_again'] = AssessmentTracker.can_take_again(student, assessment_type)
self.template_value['retake_link'] = '/assessment?' + urllib.urlencode({
'name': assessment_type,
'action': 'start',
})
self.template_value['is_last_assessment'] = (
course.is_last_assessment(unit))
# Convert answers from JSON to dict.
answers = self.request.get('answers')
answers = transforms.loads(answers) if answers else []
grader = unit.workflow.get_grader()
# Scores are not recorded for human-reviewed assignments.
score = 0
if grader == courses.AUTO_GRADER:
score = int(round(float(self.request.get('score'))))
# Record assessment transaction.
student = self.update_assessment_transaction(
student.key().name(), assessment_type, answers, score)
if grader == courses.HUMAN_GRADER:
rp = course.get_reviews_processor()
# Guard against duplicate submissions of a human-graded assessment.
previously_submitted = rp.does_submission_exist(
unit.unit_id, student.get_key())
if not previously_submitted:
# Check that the submission due date has not passed.
time_now = datetime.datetime.now()
submission_due_date = unit.workflow.get_submission_due_date()
if time_now > submission_due_date:
self.template_value['time_now'] = time_now.strftime(
HUMAN_READABLE_DATETIME_FORMAT)
self.template_value['submission_due_date'] = (
submission_due_date.strftime(
HUMAN_READABLE_DATETIME_FORMAT))
self.template_value['error_code'] = (
'assignment_deadline_exceeded')
self.render('error.html')
return
submission_key = student_work.Submission.write(
unit.unit_id, student.get_key(), answers)
rp.start_review_process_for(
unit.unit_id, submission_key, student.get_key())
# Record completion event in progress tracker.
course.get_progress_tracker().put_assessment_completed(
student, assessment_type)
self.template_value['previously_submitted'] = previously_submitted
matcher = unit.workflow.get_matcher()
self.template_value['matcher'] = matcher
if matcher == review.PEER_MATCHER:
self.template_value['review_dashboard_url'] = (
'reviewdashboard?unit=%s' % unit.unit_id
)
self.render('reviewed_assessment_confirmation.html')
return
else:
# Record completion event in progress tracker.
course.get_progress_tracker().put_assessment_completed(
student, assessment_type)
# Save the submission in the datastore, overwriting the earlier
# version if it exists.
submission_key = student_work.Submission.write(
unit.unit_id, student.get_key(), answers)
self.template_value['result'] = course.get_overall_result(student)
self.template_value['score'] = score
self.template_value['overall_score'] = course.get_overall_score(
student)
self.render('test_confirmation.html')
def post(self):
"""Handles POST requests."""
student = self.personalize_page_and_get_enrolled()
if not student:
return
if not self.assert_xsrf_token_or_fail(self.request, 'assessment-post'):
return
if not self.assert_participant_or_fail(student):
return
course = self.get_course()
assessment_type = self.request.get('assessment_type')
if not assessment_type:
self.error(404)
logging.error('No assessment type supplied.')
return
unit = course.find_unit_by_id(assessment_type)
if unit is None or unit.type != verify.UNIT_TYPE_ASSESSMENT:
self.error(404)
logging.error('No assessment named %s exists.', assessment_type)
return
self.template_value['navbar'] = {'course': True}
try:
AssessmentTracker.try_submit_test(student, assessment_type)
except ValueError as e:
self.template_value['error'] = e.message
self.render('assessment_denied.html')
return
self.template_value['assessment'] = assessment_type
self.template_value['assessment_name'] = unit.title
self.template_value[
'can_take_again'] = AssessmentTracker.can_take_again(
student, assessment_type)
self.template_value['retake_link'] = '/assessment?' + urllib.urlencode(
{
'name': assessment_type,
'action': 'start',
})
self.template_value['is_last_assessment'] = (
course.is_last_assessment(unit))
# Convert answers from JSON to dict.
answers = self.request.get('answers')
answers = transforms.loads(answers) if answers else []
grader = unit.workflow.get_grader()
# Scores are not recorded for human-reviewed assignments.
score = 0
if grader == courses.AUTO_GRADER:
score = int(round(float(self.request.get('score'))))
# Record assessment transaction.
student = self.update_assessment_transaction(student.key().name(),
assessment_type, answers,
score)
if grader == courses.HUMAN_GRADER:
rp = course.get_reviews_processor()
# Guard against duplicate submissions of a human-graded assessment.
previously_submitted = rp.does_submission_exist(
unit.unit_id, student.get_key())
if not previously_submitted:
# Check that the submission due date has not passed.
time_now = datetime.datetime.now()
submission_due_date = unit.workflow.get_submission_due_date()
if time_now > submission_due_date:
self.template_value['time_now'] = time_now.strftime(
HUMAN_READABLE_DATETIME_FORMAT)
self.template_value['submission_due_date'] = (
submission_due_date.strftime(
HUMAN_READABLE_DATETIME_FORMAT))
self.template_value['error_code'] = (
'assignment_deadline_exceeded')
self.render('error.html')
return
submission_key = student_work.Submission.write(
unit.unit_id, student.get_key(), answers)
rp.start_review_process_for(unit.unit_id, submission_key,
student.get_key())
# Record completion event in progress tracker.
course.get_progress_tracker().put_assessment_completed(
student, assessment_type)
self.template_value['previously_submitted'] = previously_submitted
matcher = unit.workflow.get_matcher()
self.template_value['matcher'] = matcher
if matcher == review.PEER_MATCHER:
self.template_value['review_dashboard_url'] = (
'reviewdashboard?unit=%s' % unit.unit_id)
self.render('reviewed_assessment_confirmation.html')
return
else:
# Record completion event in progress tracker.
course.get_progress_tracker().put_assessment_completed(
student, assessment_type)
# Save the submission in the datastore, overwriting the earlier
# version if it exists.
submission_key = student_work.Submission.write(
unit.unit_id, student.get_key(), answers)
self.template_value['result'] = course.get_overall_result(student)
self.template_value['score'] = score
self.template_value['overall_score'] = course.get_overall_score(
student)
self.render('test_confirmation.html')
def get_start(self):
"""Handles GET requests."""
student = self.personalize_page_and_get_enrolled()
if not student:
return
if not self.assert_participant_or_fail(student):
return
# Extract incoming args
unit_id = self.request.get("name")
course = self.get_course()
unit = course.find_unit_by_id(unit_id)
if not unit:
self.error(404)
return
self.template_value["navbar"] = {"course": True}
try:
AssessmentTracker.try_start_test(student, unit_id)
except ValueError as e:
self.template_value["error"] = e.message
self.render("assessment_denied.html")
return
self.template_value["unit_id"] = unit_id
self.template_value["record_events"] = CAN_PERSIST_ACTIVITY_EVENTS.value
self.template_value["assessment_xsrf_token"] = XsrfTokenManager.create_xsrf_token("assessment-post")
self.template_value["event_xsrf_token"] = XsrfTokenManager.create_xsrf_token("event-post")
self.template_value["grader"] = unit.workflow.get_grader()
readonly_view = False
due_date_exceeded = False
submission_due_date = unit.workflow.get_submission_due_date()
if submission_due_date:
self.template_value["submission_due_date"] = submission_due_date.strftime(HUMAN_READABLE_DATETIME_FORMAT)
time_now = datetime.datetime.now()
if time_now > submission_due_date:
readonly_view = True
due_date_exceeded = True
self.template_value["due_date_exceeded"] = True
if course.needs_human_grader(unit):
self.template_value["matcher"] = unit.workflow.get_matcher()
rp = course.get_reviews_processor()
review_steps_by = rp.get_review_steps_by(unit.unit_id, student.get_key())
# Determine if the student can see others' reviews of his/her work.
if ReviewUtils.has_completed_enough_reviews(review_steps_by, unit.workflow.get_review_min_count()):
submission_and_review_steps = rp.get_submission_and_review_steps(unit.unit_id, student.get_key())
submission_contents = submission_and_review_steps[0]
review_steps_for = submission_and_review_steps[1]
review_keys_for_student = []
for review_step in review_steps_for:
can_show_review = (
review_step.state == domain.REVIEW_STATE_COMPLETED
and not review_step.removed
and review_step.review_key
)
if can_show_review:
review_keys_for_student.append(review_step.review_key)
reviews_for_student = rp.get_reviews_by_keys(unit.unit_id, review_keys_for_student)
self.template_value["reviews_received"] = [
create_readonly_assessment_params(
course.get_review_form_content(unit), StudentWorkUtils.get_answer_list(review)
)
for review in reviews_for_student
]
else:
submission_contents = student_work.Submission.get_contents(unit.unit_id, student.get_key())
# Determine whether to show the assessment in readonly mode.
if submission_contents or due_date_exceeded:
readonly_view = True
self.template_value["readonly_student_assessment"] = create_readonly_assessment_params(
course.get_assessment_content(unit), StudentWorkUtils.get_answer_list(submission_contents)
)
if not readonly_view:
self.template_value["assessment_script_src"] = self.get_course().get_assessment_filename(unit_id)
# If a previous submission exists, reinstate it.
submission_contents = student_work.Submission.get_contents(unit.unit_id, student.get_key())
saved_answers = StudentWorkUtils.get_answer_list(submission_contents) if submission_contents else []
self.template_value["saved_answers"] = transforms.dumps(saved_answers)
self.render("assessment.html")