def get(self):
state = LearnerState(self.session)
learner_error = state.learner_error()
context = dict(show_prevnext=True,
boards=Board.all().order('priority'),
learner_error=learner_error,
state=state.as_string())
jt = self.jinja_environment().get_template('learner.djt')
self.response.write(jt.render(context))
def persist_learner(self, name, board_id, date):
"""
Check the learner info; if it's good, persist it in the session and App
Engine storage. This is a slight departure from previous MET versions
b/c webapp2 sessions can't serialize datetime objects (!).
"""
# perform sanity checks on the name, board, and date
try:
if len(name) == 0:
raise
board = Board.all().filter("priority =", int(board_id)).get().name
if len(board) == 0:
raise
# date can be empty (typical usage) or contain a date string
# ("cheater" mode)
if date and not datetime.strptime(date, "%m/%d/%Y"):
raise
except:
self.learner_error(True)
msg = "name='%s' board_id='%s' date='%s'" % (name, board_id, date)
logging.error(msg)
raise InvalidLearnerException(msg)
# persist the learner name and board in the session (to be used by the
# certificate template)
self.session['learner_name'] = name
self.session['learner_board'] = board
# if a date is supplied, use it, otherwise make sure it's clear so the
# template can supply a default
if date:
self.session['learner_date'] = date
elif 'learner_date' in self.session:
del self.session['learner_date']
# Persist the learner name, board, and a timestamp in appengine
# storage. The model includes its own timestamp.
comp = Completion()
comp.name = name
comp.board = board
comp.put()
