def event_join(host, guest):
online_students = StudentRecord.online_students()
## Key error is possible
guest_record = online_students[int(guest)]
host_record = online_students[int(host)]
host_channel = sse.current_channel(host)
guest_channel = sse.current_channel(guest)
sse.listen_to(host, guest)
m = dict(cid=guest, host_cid=host, board_status=host_record.open_board)
if host!=guest and int(host)!=int(host_channel):
# host is elsewhere
host_of_host = online_students[int(host_channel)]
m.update(notice = "%s is visiting %s's sandbox" % (host_record.username, host_of_host.username))
if guest_record.is_teacher:
pids = sorted(int(i) for i in red.smembers('published-problems'))
scores = [ [p, host_record.scores.get(p,0)] for p in pids ]
m.update(scores=scores, brownies=host_record.brownies)
sse.notify( { guest : m } , event='join')
## Inform old channel and new channel of updated listeners list
guest_listeners = [ online_students[int(i)].username for i in sse.listening_clients(guest_channel) ]
m = dict(host_cid=guest_channel, listeners=guest_listeners)
sse.broadcast(guest_channel, m, m, event='listeners-update')
host_listeners = [ online_students[int(i)].username for i in sse.listening_clients(host) ]
m = dict(host_cid=host, listeners=host_listeners)
sse.broadcast(host, m, m, event='listeners-update')
def logout_and_cleanup(uid=None, next_url=None, logout=False):
online_students = StudentRecord.online_students()
if uid is None:
user = auth.get_logged_in_user()
auth.logout_user(user)
else:
user = auth.User.get(auth.User.id == uid)
auth.logout_user(user, self_logout=False)
user_record = StudentRecord(user.id)
user_record.open_board = False
user_record.online = False
user_record.save()
listening_clients = sse.listening_clients(user.id)
# Turn off menu/tabs of all listeners and tell them to go home
mesg = {}
for cid in online_students:
mesg[cid] = dict(cid=user.id)
if cid in listening_clients or cid==user.id:
mesg[cid].update(home_cid = cid)
sse.listen_to(cid, cid)
sse.notify(mesg, event="log-out")
sse.close(user_record.id, logout)
return redirect( next_url or url_for('index') )
def logout_and_cleanup(uid=None, next_url=None, logout=False):
online_students = StudentRecord.online_students()
if uid is None:
user = auth.get_logged_in_user()
auth.logout_user(user)
else:
user = auth.User.get(auth.User.id == uid)
auth.logout_user(user, self_logout=False)
user_record = StudentRecord(user.id)
user_record.open_board = False
user_record.online = False
user_record.save()
listening_clients = sse.listening_clients(user.id)
# Turn off menu/tabs of all listeners and tell them to go home
mesg = {}
for cid in online_students:
mesg[cid] = dict(cid=user.id)
if cid in listening_clients or cid == user.id:
mesg[cid].update(home_cid=cid)
sse.listen_to(cid, cid)
sse.notify(mesg, event="log-out")
sse.close(user_record.id, logout)
return redirect(next_url or url_for('index'))
def index():
logged_in_user = auth.get_logged_in_user()
user_record = StudentRecord(logged_in_user.id)
user_record.online = True
user_record.save()
# if user is running on another client, close the other.
sse.close(user_record.id)
current_channel = sse.current_channel(user_record.id) or user_record.id
all_users = auth.User.select()
online_students = StudentRecord.online_students()
listeners=[ online_students[int(i)].username \
for i in sse.listening_clients(current_channel) if int(i) in online_students ]
# notify those who can view boards that the client is online
messages = {}
for c, r in online_students.items():
if user_record.id != c and (r.is_teacher or user_record.open_board):
messages[c] = dict(cid=user_record.id, board_status=user_record.open_board)
sse.notify(messages, event='online')
problem_ids = sorted(int(i) for i in red.smembers('published-problems'))
return render_template('sandbox.html',
sum=sum, enumerate=enumerate,
current_channel = current_channel,
problem_ids=problem_ids,
user_record = user_record,
online_students = online_students,
all_users = all_users,
listeners = listeners)
def event_join(host, guest):
online_students = StudentRecord.online_students()
## Key error is possible
guest_record = online_students[int(guest)]
host_record = online_students[int(host)]
host_channel = sse.current_channel(host)
guest_channel = sse.current_channel(guest)
sse.listen_to(host, guest)
m = dict(cid=guest, host_cid=host, board_status=host_record.open_board)
if host != guest and int(host) != int(host_channel):
# host is elsewhere
host_of_host = online_students[int(host_channel)]
m.update(notice="%s is visiting %s's sandbox" %
(host_record.username, host_of_host.username))
if guest_record.is_teacher:
pids = sorted(int(i) for i in red.smembers('published-problems'))
scores = [[p, host_record.scores.get(p, 0)] for p in pids]
m.update(scores=scores, brownies=host_record.brownies)
sse.notify({guest: m}, event='join')
## Inform old channel and new channel of updated listeners list
guest_listeners = [
online_students[int(i)].username
for i in sse.listening_clients(guest_channel)
]
m = dict(host_cid=guest_channel, listeners=guest_listeners)
sse.broadcast(guest_channel, m, m, event='listeners-update')
host_listeners = [
online_students[int(i)].username for i in sse.listening_clients(host)
]
m = dict(host_cid=host, listeners=host_listeners)
sse.broadcast(host, m, m, event='listeners-update')
def event_toggle_board(message, cid):
user = StudentRecord(cid)
if user.username:
record = StudentRecord(user.id)
record.open_board = not record.open_board
record.save()
all_records = StudentRecord.online_students()
message_to_all = {}
listening_clients = sse.listening_clients(cid)
for c, r in all_records.items():
m = dict(cid=cid, board_status=record.open_board)
if record.open_board == False and int(cid) != int(c):
if not r.is_teacher and c in listening_clients:
m.update(back_to_homeboard=True)
sse.listen_to(c, c)
message_to_all[c] = m
sse.notify(message_to_all, event="toggle-board")
def event_toggle_board(message, cid):
user = StudentRecord(cid)
if user.username:
record = StudentRecord(user.id)
record.open_board = not record.open_board
record.save()
all_records = StudentRecord.online_students()
message_to_all = {}
listening_clients = sse.listening_clients(cid)
for c, r in all_records.items():
m = dict(cid=cid, board_status=record.open_board)
if record.open_board == False and int(cid) != int(c):
if not r.is_teacher and c in listening_clients:
m.update(back_to_homeboard=True)
sse.listen_to(c, c)
message_to_all[c] = m
sse.notify(message_to_all, event="toggle-board")
def index():
logged_in_user = auth.get_logged_in_user()
user_record = StudentRecord(logged_in_user.id)
user_record.online = True
user_record.save()
# if user is running on another client, close the other.
sse.close(user_record.id)
current_channel = sse.current_channel(user_record.id) or user_record.id
all_users = auth.User.select()
online_students = StudentRecord.online_students()
listeners=[ online_students[int(i)].username \
for i in sse.listening_clients(current_channel) if int(i) in online_students ]
# notify those who can view boards that the client is online
messages = {}
for c, r in online_students.items():
if user_record.id != c and (r.is_teacher or user_record.open_board):
messages[c] = dict(cid=user_record.id,
board_status=user_record.open_board)
sse.notify(messages, event='online')
problem_ids = sorted(int(i) for i in red.smembers('published-problems'))
return render_template('sandbox.html',
sum=sum,
enumerate=enumerate,
current_channel=current_channel,
problem_ids=problem_ids,
user_record=user_record,
online_students=online_students,
all_users=all_users,
listeners=listeners)