def get(self):
# Check for enrollment status
student = self.getStudent()
if student:
# Get unit data and set template values
units = memcache.get('units')
if units is None:
units = Unit.all().order('id')
memcache.add('units', units)
self.templateValue['units'] = units
# Set template values for nav bar
navbar = {'course': True}
self.templateValue['navbar'] = navbar
# Set template values for user
user = users.get_current_user()
if user:
self.templateValue['email'] = user.email()
self.templateValue['logoutUrl'] = users.create_logout_url("/")
# Render course page
self.render('course.html')
else:
self.redirect('/register')
def get(self):
# Check for enrollment status
student = self.getStudent()
if student:
# Extract incoming args
c = self.request.get("unit")
if not c:
unit_id = 1
else:
unit_id = int(c)
self.templateValue['unit_id'] = unit_id
l = self.request.get('lesson')
if not l:
lesson_id = 1
else:
lesson_id = int(l)
self.templateValue['lesson_id'] = lesson_id
# Set template values for a unit and its lesson entities
units = memcache.get('units')
if units is None:
units = Unit.all().order('id')
memcache.add('units', units)
for unit in units:
if unit.unit_id == unit_id:
self.templateValue['units'] = unit
lessons = memcache.get('lessons' + str(unit_id))
if lessons is None:
lessons = Lesson.all().filter('unit_id =', unit_id).order('id')
memcache.add('lessons' + str(unit_id), lessons)
self.templateValue['lessons'] = lessons
# Set template values for nav-x bar
navbar = {'course':True}
self.templateValue['navbar'] = navbar
# Set template values for back and next nav buttons
self.templateValue['back_button_url'] = '/unit?unit=' + str(unit_id) + '&lesson=' + str(lesson_id)
if lesson_id == lessons.count():
self.templateValue['next_button_url'] = ''
else:
self.templateValue['next_button_url'] = '/unit?unit=' + str(unit_id) + '&lesson=' + str(lesson_id + 1)
# Set template values for user
user = users.get_current_user()
if user:
self.templateValue['email'] = user.email()
self.templateValue['logoutUrl'] = users.create_logout_url("/")
# Render activity page
self.render('activity.html')
else:
self.redirect('/register')
def initDatastore(self):
"""Loads course data from the CSV files."""
logging.info('')
logging.info('Initializing datastore')
# load and parse data from CSV file
unit_file = os.path.join(os.path.dirname(__file__), "../../data/unit.csv")
lesson_file = os.path.join(os.path.dirname(__file__), "../../data/lesson.csv")
units = verify.ReadObjectsFromCsvFile(unit_file, verify.UNITS_HEADER, Unit)
lessons = verify.ReadObjectsFromCsvFile(lesson_file, verify.LESSONS_HEADER, Lesson)
# store all units and lessons
for unit in units:
unit.put()
for lesson in lessons:
lesson.put()
assert Unit.all().count() == 11
assert Lesson.all().count() == 29
