def get(self, tag):
# To allow a join action to redirect to OAuth and smoothly redirect
# back here to finish the action, the join action is a GET request.
if self.request.get('join'):
# Add a tag to the member, and also update the member's location.
self.require_member()
self.verify_signature()
now = datetime.datetime.utcnow()
duration = int(self.request.get('duration'))
stop_time = now + datetime.timedelta(0, duration)
self.member.set_location(utils.get_location(self.member), now)
model.Member.join(self.user, tag, stop_time)
# Ensure that a TagStat entity exists, to be later updated.
model.TagStat.get_or_insert(key_name=tag)
# Schedule a task to update the stats now.
taskqueue.add(
method='GET', url='/_update_tagstats', params={'tag': tag})
# Schedule a task to promptly update the stats upon expiry.
taskqueue.add(
method='GET', countdown=duration + 1,
url='/_update_tagstats', params={'tag': tag})
# Redirect to avoid adding the join action to the browser history.
raise utils.Redirect('/' + tag)
# Generate the tag viewing page.
now = datetime.datetime.utcnow()
user_id = self.user and self.user.user_id()
join_time = ''
members = []
for member in model.Member.get_for_tag(tag, now):
if member.location:
if member.user.user_id() == user_id:
join_time = utils.describe_delta(
member.get_stop_time(tag) - now)
else:
members.append(self.get_member_info(member))
members.sort(key=lambda m: (m.get('distance', 0), m['nickname']))
if join_time:
members.insert(0, self.get_member_info(self.member))
members[0]['is_self'] = 1
if self.user:
self.set_signature() # to prevent XSRF
self.render('templates/tag.html', vars=self.vars, tag=tag,
join_time=join_time, members=simplejson.dumps(members))
def get(self):
self.require_user()
nickname = self.request.get('nickname', '')
next = self.request.get('next', '')
duration = utils.describe_delta(
datetime.timedelta(0, int(self.request.get('duration', '0'))))
if not nickname:
self.render('templates/register.html', next=next, duration=duration,
nickname=self.user.nickname().split('@')[0])
else:
# Then proceed to the OAuth authorization page.
parameters = {
'scope': latitude.LatitudeOAuthClient.SCOPE,
'domain': model.Config.get('oauth_consumer_key'),
'granularity': 'best',
'location': 'current'
}
callback_url = self.request.host_url + '/_oauth_callback?' + \
utils.urlencode(nickname=nickname, next=next)
oauth_webapp.redirect_to_authorization_page(
self, latitude.LatitudeOAuthClient(utils.oauth_consumer),
callback_url, parameters)
