def save_assignment(lti=lti):
assignment_id = request.values.get('assignment_id')
user, user_id = get_user()
course_id = get_course_id()
assignment = Assignment.query.get(assignment_id)
# Verify exists
check_resource_exists(assignment, "Assignment", assignment_id)
# Verify permissions
if assignment.owner_id != user.id:
require_course_grader(user, assignment.course_id)
# Parse new settings
updates = {}
if "hidden" in request.values:
updates["hidden"] = maybe_bool(request.values.get("hidden"))
if "reviewed" in request.values:
updates["reviewed"] = maybe_bool(request.values.get("reviewed"))
if "public" in request.values:
updates["public"] = maybe_bool(request.values.get("public"))
if "url" in request.values:
updates["url"] = request.values.get("url") or None
if "ip_ranges" in request.values:
updates["ip_ranges"] = request.values.get("ip_ranges")
if "name" in request.values:
updates["name"] = request.values.get("name")
if "settings" in request.values:
updates["settings"] = request.values.get("settings")
# Perform update
modified = assignment.edit(updates)
make_log_entry(assignment.id, assignment.version,
course_id or assignment.course_id,
user.id, "X-Instructor.Settings.Edit", "assignment_settings.blockpy",
message=json.dumps(updates))
return ajax_success({"modified": modified})
def view_submissions(course_id, user_id, assignment_group_id):
embed = maybe_bool(request.values.get('embed'))
viewer, viewer_id = get_user()
group, assignments, submissions = get_groups_submissions(
assignment_group_id, user_id, course_id)
# Check permissions
for submission in submissions:
if not submission:
return ajax_failure(
"No submission for the given course, user, and group.")
elif submission.user_id != viewer_id:
require_course_grader(viewer, submission.course_id)
# Do action
points_total, points_possible = calculate_submissions_score(
assignments, submissions)
score = round(points_total / points_possible, 2)
# TODO: Handle tags
is_grader = viewer.is_grader(course_id)
tags = []
if is_grader:
tags = [tag.encode_json() for tag in AssignmentTag.get_all()]
return render_template("reports/group.html",
embed=embed,
points_total=points_total,
points_possible=points_possible,
score=score,
tags=tags,
is_grader=is_grader,
group=list(zip(assignments, submissions)),
user_id=user_id,
course_id=course_id)
def dashboard(lti=lti, lti_exception=None):
"""
:type lti: controllers.pylti.flask.lTI
"""
force_default_assignment = maybe_bool(request.values.get('force_default_assignment', "false"))
if 'user' not in g and not g.user:
return "You are not logged in."
course_id = get_course_id()
user, user_id = get_user()
if course_id is None:
return "You are not in a course context."
is_grader = user.is_grader(course_id)
if is_grader and not force_default_assignment:
return grader_dashboard(user, course_id)
course = Course.by_id(course_id)
assignment = course.get_default_assignment()
if assignment is not None:
return redirect(url_for("blockpy.load", assignment_id=assignment.id,
course_id=course_id, user_id=user_id, force_download=False,
embed=True))
else:
# No default assignment!
assignments = natsorted(course.get_submitted_assignments(),
key=lambda r: r.name)
all_subs = Submission.by_student(user_id, course_id)
all_subs = {s[0].assignment_id: s for s in all_subs}
submissions = [all_subs.get(assignment.id, (None, None, assignment))
for assignment in assignments]
return render_template('courses/dashboard.html', embed=True,
course_id=course_id, user=user, is_grader=is_grader,
submissions=submissions, criteria='student')
def load_assignment(lti=lti):
# Get arguments
assignment_id = int(request.values.get('assignment_id'))
assignment = Assignment.by_id(assignment_id)
student_id = maybe_int(request.values.get('user_id'))
course_id = get_course_id(True)
user, user_id = get_user()
force_download = maybe_bool(request.values.get('force_download', "false"))
# Verify exists
check_resource_exists(assignment, "Assignment", assignment_id)
# Verify permissions
if user_id != student_id and not user.is_grader(course_id):
return ajax_failure(
"Only graders can see submissions for other people.")
if course_id is None:
editor_information = assignment.for_read_only_editor(student_id)
else:
editor_information = assignment.for_editor(student_id, course_id)
browser_info = json.dumps({
'platform': request.user_agent.platform,
'browser': request.user_agent.browser,
'version': request.user_agent.version,
'language': request.user_agent.language,
'user_agent': request.user_agent.string
})
# Log the event
if user is not None:
if user_id != student_id:
make_log_entry(assignment_id,
assignment.version,
course_id,
user_id,
'X-Submission.Get',
message=str(student_id))
else:
make_log_entry(assignment_id,
assignment.version,
course_id,
user_id,
'Session.Start',
message=browser_info)
# Verify passcode, if necessary
if assignment.passcode_fails(request.values.get('passcode')):
return ajax_failure("Passcode {!r} rejected".format(
request.values.get("passcode")))
if force_download:
student_filename = User.by_id(student_id).get_filename("")
filename = assignment.get_filename(
"") + "_" + student_filename + '_submission.json'
return Response(json.dumps(editor_information),
mimetype='application/json',
headers={
'Content-Disposition':
'attachment;filename={}'.format(filename)
})
else:
return ajax_success(editor_information)
def update_submission(lti, lti_exception=None):
# Get parameters
submission_id = maybe_int(request.values.get("submission_id"))
lis_result_sourcedid = request.values.get('lis_result_sourcedid')
assignment_group_id = maybe_int(request.values.get('assignment_group_id'))
score = float(request.values.get('score', '0'))
correct = maybe_bool(request.values.get("correct"))
# TODO: Only send image if the assignment settings starts as Block or Split
image = request.values.get('image', "")
hidden_override = maybe_bool(request.values.get('hidden_override'))
force_update = maybe_bool(request.values.get('force_update'))
course_id = get_course_id()
user, user_id = get_user()
submission = Submission.by_id(submission_id)
# Check resource exists
check_resource_exists(submission, "Submission", submission_id)
# Verify permissions
if submission.user_id != user_id and not user.is_grader(submission.course_id):
return ajax_failure("This is not your submission and you are not a grader in its course.")
# Do action
was_changed = submission.update_submission(score, correct)
if assignment_group_id is None:
assignment_group_id = submission.assignment_group_id
# TODO: Document that we currently only pass back grade if it changed
# TODO: If failure on previous submission grading, then retry
if was_changed or force_update:
submission.save_block_image(image)
error = "Generic LTI Failure - perhaps not logged into LTI session?"
try:
success, score = lti_post_grade(lti, submission, lis_result_sourcedid, assignment_group_id,
submission.user_id, submission.course_id)
except LTIPostMessageException as e:
success = False
error = str(e)
if success:
make_log_entry(submission.assignment_id, submission.assignment_version,
course_id, user_id, "X-Submission.LMS", "answer.py", message=str(score))
else:
submission.update_grading_status(GradingStatuses.FAILED)
make_log_entry(submission.assignment_id, submission.assignment_version,
course_id, user_id, "X-Submission.LMS.Failure", "answer.py", message=error)
return ajax_failure({"submitted": False, "changed": was_changed, "message": error})
return ajax_success({"submitted": was_changed or force_update, "changed": was_changed})
def load_submission(lti=lti):
submission_id = int(request.args.get('submission_id'))
embed = maybe_bool(request.values.get('embed'))
course_id = get_course_id(True)
user, user_id = get_user()
submission = Submission.by_id(submission_id)
read_only = maybe_bool(request.values.get('read_only', "true"))
# Check that the resource exists
check_resource_exists(submission, "Submission", submission_id)
# If it is this user's submission, redirect to load the assignment
if submission.user_id == user_id:
if course_id is None:
course_id = submission.course_id
return redirect(
url_for('blockpy.load',
assignment_id=submission.assignment.id,
course_id=course_id))
# Check that it is public or you are a grader
elif user.is_grader(submission.course_id):
role = 'grader'
elif not submission.assignment.public:
# TODO: Handle this more gracefully
return ajax_failure(
"Cannot view submission. This is not a public submission, and you do not own the submission, and you are "
"not an instructor in its course.")
else:
role = 'anonymous'
# Get the assignment
assignment_data = submission.assignment.for_editor(submission.user_id,
submission.course_id)
return load_editor(
lti, {
"user": user,
"user_id": user_id,
"embed": embed,
"read_only": read_only,
"current_submission_id": submission_id,
"course_id": course_id,
"role": role,
"assignment_group_id": None,
"assignment_data": assignment_data
})
def load_readonly(lti=lti):
embed = maybe_bool(request.values.get('embed'))
user, user_id = get_user()
assignment_data = json.loads(request.values.get("assignment_data", "{}"))
# Handle Passcode
# Handle IP Addresses
print(assignment_data)
return load_editor(lti, {
"user": user,
"user_id": user_id,
"embed": embed,
"read_only": True,
"current_submission_id": None,
"course_id": None,
"role": assignment_data.get('user', {}).get('role', 'instructor'),
"assignment_group_id": None,
"assignment_data": assignment_data
})
def view_submission():
submission_id = request.values.get('submission_id')
viewer, viewer_id = get_user()
embed = maybe_bool(request.values.get('embed'))
submission = Submission.by_id(submission_id)
# Check exists
check_resource_exists(submission, "Submission", submission_id)
# Check permissions
if submission.user_id != viewer_id:
require_course_grader(viewer, submission.course_id)
is_grader = viewer.is_grader(submission.course_id)
tags = []
if is_grader:
tags = [tag.encode_json() for tag in AssignmentTag.get_all()]
# Do action
return render_template("reports/alone.html", embed=embed,
submission=submission, assignment=submission.assignment,
is_grader=is_grader, tags=tags,
user_id=submission.user_id, course_id=submission.course_id)
def browse_history():
# Get parameters
course_id = maybe_int(request.values.get('course_id'))
assignment_id = maybe_int(request.values.get('assignment_id'))
student_id = maybe_int(request.values.get('user_id'))
page_offset = maybe_int(request.values.get('page_offset', 0))
embed = maybe_bool(request.values.get('embed'))
user, user_id = get_user()
# Get resources
assignment = Assignment.by_id(assignment_id)
student = User.by_id(student_id)
course = Course.by_id(course_id)
# Verify user can see the submission
if user_id != student_id and not user.is_grader(course_id):
return ajax_failure("Only graders can see logs for other people.")
history = Log.get_history(course_id, assignment_id, student_id,
page_offset, HISTORY_PAGE_LIMIT)
return render_template('blockpy/browse_history.html', assignment=assignment,
student=student, course=course, history=history,
embed=embed)
def load_history():
# Get parameters
course_id = maybe_int(request.values.get('course_id'))
assignment_id = (request.values.get('assignment_id'))
student_id = (request.values.get('user_id'))
page_limit = maybe_int(request.values.get('page_limit'))
page_offset = maybe_int(request.values.get('page_offset'))
with_submission = maybe_bool(request.values.get('with_submission'))
user, user_id = get_user()
# Verify user can see the submission
if str(user_id) != str(student_id) and not user.is_grader(course_id):
return ajax_failure("Only graders can see logs for other people.")
history = Log.get_history(course_id, assignment_id, student_id,
page_offset=page_offset,
page_limit=page_limit)
history = list(reversed(history))
submissions = []
if with_submission:
submissions = Submission.get_submissions(course_id, assignment_id, student_id)
return ajax_success({"history": history, "submissions": submissions})
def load_submission(lti=lti):
submission_id = int(request.args.get('submission_id'))
embed = maybe_bool(request.values.get('embed'))
user = g.get('user', None)
user_id = user.id if user else None
course_id = maybe_int(request.args.get('course_id', None))
if course_id is None:
course_id = int(g.course.id) if g.course else None
submission = Submission.query.get(submission_id)
# Check that the resource exists
check_resource_exists(submission, "Submission", submission_id)
# If it is this user's submission, redirect to load the assignment
if submission.user_id == user_id:
return redirect(
url_for(
'blockpy.load',
assignment_id=submission.assignment.id,
))
# Check that it is public or you are a grader
elif user.is_grader(submission.course_id):
pass
elif not submission.assignment.public:
# TODO: Handle this more gracefully
return ajax_failure(
"Cannot view submission. This is not a public submission, and you do not own the submission, and you are "
"not an instructor in its course.")
# Get the assignment
assignment_data = submission.assignment.for_editor(submission.user_id,
submission.course_id)
return load_editor(
lti, {
"user": user,
"user_id": user_id,
"embed": embed,
"course_id": course_id,
"role": 'anonymous',
"assignment_group_id": None,
"assignment_data": assignment_data
})
