def load_assignment(lti=lti):
# Get arguments
assignment_id = int(request.values.get('assignment_id'))
assignment = Assignment.by_id(assignment_id)
course_id = get_course_id(True)
user, user_id = get_user()
# Verify exists
check_resource_exists(assignment, "Assignment", assignment_id)
# Verify permissions
if course_id is None:
editor_information = assignment.for_read_only_editor(user_id)
else:
editor_information = assignment.for_editor(user_id, course_id)
browser_info = repr({
'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:
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")))
return ajax_success(editor_information)
def get_assignment(lti=lti):
assignment_id = int(request.values.get('assignment_id'))
assignment = Assignment.by_id(assignment_id)
is_embedded = ('embed' == request.values.get('menu', "select"))
# Verify exists
check_resource_exists(assignment, "Assignment", assignment_id)
# Perform action
select_url = get_select_menu_link(assignment.id, assignment.title(),
is_embedded, False)
return jsonify(success=True,
redirect=url_for('assignments.load',
assignment_id=assignment.id),
id=assignment.id,
name=assignment.name,
type=assignment.type,
instructions=strip_tags(assignment.instructions)[:255],
title=assignment.title(),
view=url_for('assignments.load',
assignment_id=assignment.id,
embed=is_embedded),
select=select_url,
edit=url_for('assignments.load',
assignment_id=assignment.id,
course_id=assignment.course_id),
date_modified=assignment.pretty_date_modified())
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 save_student_file(filename, course_id, user):
submission_id = request.values.get("submission_id")
code = request.values.get("code")
submission = Submission.query.get(submission_id)
# Verify exists
check_resource_exists(submission, "Submission", submission_id)
# Verify permissions
if submission.user_id != user.id:
require_course_grader(user, submission.course_id)
# Validate the maximum file size
if app.config["MAXIMUM_CODE_SIZE"] < len(code):
return ajax_failure(
"Maximum size of code exceeded. Current limit is {}, you uploaded {} characters."
.format(app.config["MAXIMUM_CODE_SIZE"], len(code)))
# Perform update
# TODO: What if submission's assignment version conflicts with current assignments' version?
version_change = submission.assignment.version != submission.assignment_version
submission.save_code(filename, code)
make_log_entry(submission.assignment_id,
submission.assignment_version,
course_id,
user.id,
"File.Edit",
"answer.py",
message=code)
return ajax_success({"version_change": version_change})
def update_submission_status(lti, lti_exception=None):
# Get parameters
submission_id = maybe_int(request.values.get("submission_id"))
status = request.values.get('status')
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
success = submission.update_submission_status(status)
make_log_entry(submission.assignment_id,
submission.assignment_version,
course_id,
user_id,
"Submit",
"answer.py",
category=status,
message=str(success))
return ajax_success({"success": success})
def dump_logs():
assignment_id = int(request.values.get('assignment_id'))
course_id = int(request.values.get('course_id'))
assignment = Assignment.by_id(assignment_id)
user, user_id = get_user()
# Verify exists
check_resource_exists(assignment, "Assignment", assignment_id)
# Verify permissions
if not user.is_grader(course_id):
return "You are not a grader in this course."
# Get data
suas = Submission.by_assignment(assignment_id, course_id)
data = {
'assignment':
assignment.encode_json(),
'submissions': [{
'user':
u.encode_json(),
'submission':
sub.encode_json(),
'history':
Log.get_history(course_id, assignment_id, u.id),
'reviews':
sub.get_reviews()
} for (sub, u, assign) in suas]
}
filename = assignment.get_filename() + '_submissions.json'
return Response(json.dumps(data),
mimetype='application/json',
headers={
'Content-Disposition':
'attachment;filename={}'.format(filename)
})
def export_submissions():
assignment_id = int(request.values.get('assignment_id'))
assignment = Assignment.by_id(assignment_id)
course_id = get_course_id(True)
user, user_id = get_user()
# Verify exists
check_resource_exists(assignment, "Assignment", assignment_id)
# Verify permissions
assignment = Assignment.by_id(int(assignment_id))
if course_id is None or not user.is_instructor(int(course_id)):
return "You are not an instructor or the owner of the assignment!"
# Get data
suas = Submission.by_assignment(assignment_id, course_id)
submissions = [sua[0] for sua in suas]
users = [sua[1] for sua in suas]
bundle = export_zip(assignments=[assignment],
submissions=submissions,
users=users)
filename = assignment.get_filename(extension='.zip')
return Response(bundle,
mimetype='application/zip',
headers={
'Content-Disposition':
'attachment;filename={}'.format(filename)
})
def get_assignments():
assignment_ids = request.values.get('assignment_ids', "")
course_id = get_course_id()
user, user_id = get_user()
# TODO: verify that they have the permissions to see these assignments
assignments, groups = [], []
errors = []
if not assignment_ids:
course: Course = Course.by_id(course_id)
check_resource_exists(course, "Course", course_id)
grouped_assignments = natsorted(
course.get_submitted_assignments_grouped(),
key=lambda r:
(r.AssignmentGroup.name
if r.AssignmentGroup is not None else None, r.Assignment.name))
assignments = [a.Assignment.encode_json() for a in grouped_assignments]
groups = [
a.AssignmentGroup.encode_json()
if a.AssignmentGroup is not None else None
for a in grouped_assignments
]
else:
for assignment_id in assignment_ids.split(","):
if not assignment_id.isdigit():
errors.append(f"Unknown Assignment ID: {assignment_id!r}")
assignment_id = int(assignment_id)
# With Course Role Information
assignment = Assignment.by_id(assignment_id)
check_resource_exists(assignment, "Assignment", assignment_id)
assignments.append(assignment.encode_json())
return ajax_success(
dict(assignments=assignments, errors=errors, groups=groups))
def submissions_user(course_id, owner_id):
''' List all the users in the course '''
course_id = int(course_id)
course = Course.by_id(course_id)
check_resource_exists(course, "Course", course_id)
user, user_id = get_user()
if course_id is not None:
is_grader = user.is_grader(course_id)
else:
is_grader = False
is_owner = user_id == maybe_int(owner_id)
if not is_grader and not is_owner:
return "You are not an instructor or the owner of the assignment!"
owner = User.by_id(maybe_int(owner_id))
assignments = natsorted(course.get_submitted_assignments(),
key=lambda r: r.name)
all_subs = Submission.by_student(owner_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/submissions_user.html',
course_id=course_id,
assignments=assignments,
submissions=submissions,
owner=owner,
is_instructor=is_grader)
def fork_group(lti=lti):
''' Adds a group to a course'''
# Get arguments
assignment_group_id = int(request.values.get('assignment_group_id'))
assignment_group = AssignmentGroup.by_id(assignment_group_id)
is_embedded = ('embed' == request.values.get('menu', "select"))
# Verify exists
check_resource_exists(assignment_group, "Assignment Group",
assignment_group_id)
# Verify permissions
require_course_instructor(g.user, assignment_group.course_id)
# Perform action
new_assignment_group = AssignmentGroup.new(
owner_id=g.user.id,
course_id=assignment_group.course_id,
name=assignment_group.name)
new_assignment_group.forked_id = assignment_group_id
new_assignment_group.forked_version = assignment_group.version
# Result
select_url = get_select_menu_link(new_assignment_group.id,
new_assignment_group.name, is_embedded,
True)
return jsonify(success=True,
id=new_assignment_group.id,
name=new_assignment_group.name,
select=select_url)
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 get_one(self, review_id):
user, user_id = get_user()
review = Review.by_id(review_id)
check_resource_exists(review, "Review", review_id)
submission = Submission.by_id(review.submission_id)
check_resource_exists(submission, "Submission", review.submission_id)
if submission.user_id != user_id:
require_course_grader(user, submission.course_id)
return ajax_success(dict(review=review.encode_json()))
def remove_assignment(lti=None):
assignment_id = int(request.values.get('assignment_id'))
assignment = Assignment.by_id(assignment_id)
# Verify exists
check_resource_exists(assignment, "Assignment", assignment_id)
# Verify permissions
require_course_instructor(g.user, assignment.course_id)
Assignment.remove(assignment.id)
return jsonify(success=True)
def delete(self, review_id):
user, user_id = get_user()
review = Review.by_id(review_id)
check_resource_exists(review, "Review", review_id)
submission = Submission.by_id(review.submission_id)
check_resource_exists(submission, "Submission", review.submission_id)
require_course_grader(user, submission.course_id)
review.delete()
return ajax_success(dict(success=True))
def get_groups_submissions(group_id, user_id, course_id):
group = AssignmentGroup.by_id(group_id)
check_resource_exists(group, "AssignmentGroup", group_id)
assignments = group.get_assignments()
submissions = [
assignment.load(user_id, course_id=course_id)
for assignment in assignments
]
return group, assignments, submissions
def remove_course(course_id):
course_id = int(request.values.get('course_id'))
course = Course.by_id(course_id)
# Verify exists
check_resource_exists(course, "Course", course_id)
# Verify permissions
require_course_instructor(g.user, course_id)
# Perform action
Course.remove(course_id)
flash('Course removed')
return redirect(url_for('courses.index'))
def rename_course():
course_id = int(request.values.get('course_id'))
course = Course.by_id(course_id)
# Verify exists
check_resource_exists(course, "Course", course_id)
# Verify permissions
require_course_instructor(g.user, course_id)
# Perform action
new_name = request.values.get('name')
Course.rename(course_id, new_name)
return jsonify(success=True)
def get_submission_image(lti=lti):
submission_id = int(request.values.get('submission_id'))
relative_image_path = 'uploads/submission_blocks/{}.png'.format(submission_id)
submission = Submission.query.get(submission_id)
user, user_id = get_user()
# Check exists
check_resource_exists(submission, "Submission", submission_id)
# Check permissions
if submission.user_id != user_id:
require_course_grader(user, submission.course_id)
# Do action
return app.send_static_file(relative_image_path)
def move_course(lti=None):
assignment_id = int(request.values.get('assignment_id'))
new_course_id = int(request.values.get('new_course_id'))
assignment = Assignment.by_id(int(assignment_id))
# Verify exists
check_resource_exists(assignment, "Assignment", assignment_id)
# Verify permissions
require_course_instructor(g.user, assignment.course_id)
require_course_instructor(g.user, new_course_id)
# Perform action
assignment.move_course(new_course_id)
return jsonify(success=True)
def update_grading_status(lti, lti_exception=None):
submission_id = maybe_int(request.values.get("submission_id"))
# TODO: Pretty sure multiple assignments are broken for grading
assignment_group_id = maybe_int(request.values.get('assignment_group_id'))
new_grading_status = request.values.get("new_grading_status")
user, user_id = get_user()
submission = Submission.by_id(submission_id)
# Check resource exists
check_resource_exists(submission, "Submission", submission_id)
# Verify permissions
if not user.is_grader(submission.course_id):
return ajax_failure(
"This is not your submission and you are not a grader in its course."
)
submission.update_grading_status(new_grading_status)
if submission.grading_status != GradingStatuses.FULLY_GRADED:
return ajax_success({'new_status': new_grading_status})
# Do action
if assignment_group_id is None:
assignment_group_id = submission.assignment_group_id
error = "Generic LTI Failure - perhaps not logged into LTI session?"
try:
success, score = lti_post_grade(lti, submission, None,
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,
submission.course_id,
user_id,
"X-Submission.LMS",
"answer.py",
message=str(score))
return ajax_success({"submitted": True, "new_status": "FullyGraded"})
else:
submission.update_grading_status(GradingStatuses.FAILED)
make_log_entry(submission.assignment_id,
submission.assignment_version,
submission.course_id,
user_id,
"X-Submission.LMS.Failure",
"answer.py",
message=error)
return ajax_failure({
"submitted": False,
"message": error,
"new_status": "Failed"
})
def get_all(self):
submission_id = maybe_int(request.values.get('submission_id'))
user, user_id = get_user()
if submission_id is None:
reviews = Review.get_generic_reviews()
else:
submission = Submission.by_id(submission_id)
check_resource_exists(submission, "Submission", submission_id)
reviews = Review.get_for_submission(submission_id)
if submission.user_id != user_id:
require_course_grader(user, submission.course_id)
return ajax_success(
dict(reviews=[review.encode_json() for review in reviews]))
def put(self, review_id):
user, user_id = get_user()
review = Review.by_id(review_id)
check_resource_exists(review, "Review", review_id)
submission = Submission.by_id(review.submission_id)
check_resource_exists(submission, "Submission", review.submission_id)
require_course_grader(user, submission.course_id)
review_data = request.json.copy()
del review_data['id']
fix_nullables(review_data)
review_data['author_id'] = user_id
edited_review = review.edit(review_data)
return ajax_success(dict(review=edited_review.encode_json()))
def update_submission_status():
submission_id = maybe_int(request.values.get("submission_id"))
new_submission_status = request.values.get("new_submission_status")
user, user_id = get_user()
submission = Submission.by_id(submission_id)
# Check resource exists
check_resource_exists(submission, "Submission", submission_id)
# Verify permissions
if not user.is_grader(submission.course_id):
return ajax_failure(
"You are not a grader in this submission's course.")
submission.update_submission_status(new_submission_status)
return ajax_success({'new_status': new_submission_status})
def get_image():
submission_id = int(request.values.get('submission_id'))
directory = request.values.get('directory')
relative_image_path = 'uploads/{}/{}.png'.format(directory, submission_id)
submission = Submission.query.get(submission_id)
user, user_id = get_user()
# Check exists
check_resource_exists(submission, "Submission", submission_id)
# Check 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
return app.send_static_file(relative_image_path)
def remove_group(lti=lti):
''' Removes a group from a course'''
assignment_group_id = int(request.values.get('assignment_group_id'))
assignment_group = AssignmentGroup.by_id(assignment_group_id)
# Verify exists
check_resource_exists(assignment_group, "Assignment Group",
assignment_group_id)
# Verify permissions
require_course_instructor(g.user, assignment_group.course_id)
# Perform action
AssignmentGroup.remove(assignment_group.id)
# Result
return jsonify(success=True)
def post(self):
user, user_id = get_user()
submission_id = maybe_int(request.values.get('submission_id'))
submission = Submission.by_id(submission_id)
check_resource_exists(submission, "Submission", submission_id)
require_course_grader(user, submission.course_id)
review_data = request.values.copy()
del review_data['id']
review_data['author_id'] = user_id
review_data['submission_version'] = submission.version
review_data['assignment_version'] = submission.assignment_version
fix_nullables(review_data)
new_review = Review.new(review_data)
return ajax_success(dict(review=new_review.encode_json()))
def save_instructor_file(course_id, user, filename):
assignment_id = request.values.get("assignment_id")
code = request.values.get("code")
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)
# Perform update
assignment.save_file(filename, code)
make_log_entry(assignment_id, assignment.version, course_id, user.id,
"X-Instructor.File.Edit", filename, message=code)
return ajax_success({})
def get_assignments():
assignment_ids = request.values.get('assignment_ids', "")
course_id = get_course_id()
user, user_id = get_user()
# TODO: verify that they have the permissions to see this file
assignments = []
for assignment_id in assignment_ids.split(","):
if not assignment_id.isdigit():
return ajax_failure(f"Unknown Assignment ID: {assignment_id!r}")
assignment_id = int(assignment_id)
# With Course Role Information
assignment = Assignment.by_id(assignment_id)
check_resource_exists(assignment, "Assignment", assignment_id)
assignments.append(assignment.encode_json())
return ajax_success(dict(assignments=assignments))
def edit_settings(lti=lti):
# Get arguments
assignment_group_id = int(request.values.get('assignment_group_id'))
assignment_group = AssignmentGroup.by_id(assignment_group_id)
ip_ranges = request.values.get('ip_ranges')
passcode = request.values.get('passcode')
# Verify exists
check_resource_exists(assignment_group, "Assignment Group",
assignment_group_id)
# Verify permissions
require_course_instructor(g.user, assignment_group.course_id)
# Perform action
if request.method == 'POST':
if ip_ranges is not None:
for assignment in assignment_group.get_assignments():
assignment.edit(dict(ip_ranges=ip_ranges))
assignment.update_setting("passcode", passcode)
return redirect(request.url)
# Result
else:
assignments = assignment_group.get_assignments()
passcode = assignments[0].get_setting("passcode", "")
existing_ip_ranges = [
assignment.ip_ranges for assignment in assignments
]
merged_duplicates = set(existing_ip_ranges)
warning = ""
if len(merged_duplicates) == 1:
ip_ranges = merged_duplicates.pop()
elif merged_duplicates:
ip_ranges = existing_ip_ranges[0]
warning = "This assignment has multiple IP ranges: <pre>{}</pre>".format(
"\n".join(existing_ip_ranges))
return '''
<!doctype html>
<title>Edit Assignment Group Settings</title>
<h1>Edit Assignment Group Settings</h1>
<p>Assignment: {group_name}</p>
<p>{warning}</p>
<form action="" method=post>
<p>IP Ranges: <input type=text name=ip_ranges value="{ip_ranges}"><br>
Passcode: <input type=text name=passcode value="{passcode}"><br>
<input type=submit value=Change>
</form>
'''.format(group_name=assignment_group.name,
ip_ranges=ip_ranges if ip_ranges else "",
passcode=passcode if passcode else "",
warning=warning)
def export():
assignment_id = int(request.values.get('assignment_id'))
assignment = Assignment.by_id(assignment_id)
course_id = get_course_id(True)
user, user_id = get_user()
# Verify exists
check_resource_exists(assignment, "Assignment", assignment_id)
# Verify permissions
bundle = export_bundle(assignments=[assignment])
filename = assignment.get_filename()
return Response(json.dumps(bundle),
mimetype='application/json',
headers={
'Content-Disposition':
'attachment;filename={}'.format(filename)
})
