def prejoin_class(class_id, link):
Class = DATABASE.get_class(class_id)
if not Class or Class['link'] != link:
return 'No such class', 404
user = {}
if request.cookies.get(cookie_name):
token = DATABASE.get_token(request.cookies.get(cookie_name))
if token:
if token['username'] in Class.get('students', []):
return render_template(
'class-already-joined.html',
lang=requested_lang(),
auth=TRANSLATIONS.get_translations(
requested_lang(), 'Auth'),
menu=render_main_menu('my-profile'),
username=current_user(request)['username'],
current_page='my-profile',
class_info={'name': Class['name']})
user = DATABASE.user_by_username(token['username'])
return render_template(
'class-prejoin.html',
lang=requested_lang(),
auth=TRANSLATIONS.get_translations(requested_lang(), 'Auth'),
menu=render_main_menu('my-profile'),
username=current_user(request)['username'],
is_teacher=is_teacher(request),
current_page='my-profile',
class_info={
'link':
os.getenv('BASE_URL') + '/class/' + Class['id'] + '/join/' +
Class['link'] + '?lang=' + requested_lang(),
'name':
Class['name']
})
def get_class(user, class_id):
if not is_teacher(request):
return 'Only teachers can retrieve classes', 403
Class = DATABASE.get_class(class_id)
if not Class or Class['teacher'] != user['username']:
return 'No such class', 404
students = []
for student_username in Class.get('students', []):
student = DATABASE.user_by_username(student_username)
programs = DATABASE.programs_for_user(student_username)
highest_level = max(
program['level']
for program in programs) if len(programs) else 0
sorted_public_programs = list(
sorted(
[program for program in programs if program.get('public')],
key=lambda p: p['date']))
if sorted_public_programs:
latest_shared = sorted_public_programs[-1]
latest_shared['link'] = os.getenv(
'BASE_URL') + f"/hedy/{latest_shared['id']}/view"
else:
latest_shared = None
students.append({
'username':
student_username,
'last_login':
utils.mstoisostring(student['last_login']),
'programs':
len(programs),
'highest_level':
highest_level,
'latest_shared':
latest_shared
})
if utils.is_testing_request(request):
return jsonify({
'students': students,
'link': Class['link'],
'name': Class['name'],
'id': Class['id']
})
return render_template(
'class-overview.html',
lang=requested_lang(),
auth=TRANSLATIONS.get_translations(requested_lang(), 'Auth'),
menu=render_main_menu('my-profile'),
username=current_user(request)['username'],
is_teacher=is_teacher(request),
current_page='my-profile',
class_info={
'students': students,
'link': os.getenv('BASE_URL') + '/hedy/l/' + Class['link'],
'name': Class['name'],
'id': Class['id']
})
def resolve_class_link(link_id):
Class = DATABASE.resolve_class_link(link_id)
if not Class:
return utils.page_404(
TRANSLATIONS, render_main_menu('my-profile'),
current_user(request)['username'], requested_lang(),
TRANSLATIONS.get_translations(requested_lang(),
'ui').get('invalid_class_link'))
return redirect(request.url.replace(
'/hedy/l/' + link_id,
'/class/' + Class['id'] + '/prejoin/' + link_id),
code=302)
def join_class(user, class_id, link):
Class = DATABASE.get_class(class_id)
if not Class or Class['link'] != link:
return utils.page_404(
TRANSLATIONS, render_main_menu('my-profile'),
current_user(request)['username'], requested_lang(),
TRANSLATIONS.get_translations(requested_lang(),
'ui').get('invalid_class_link'))
DATABASE.add_student_to_class(Class['id'], user['username'])
return redirect(request.url.replace(
'/class/' + class_id + '/join/' + link, '/my-profile'),
code=302)