def send_to_printer(subscription_id, delays, user_settings):
content = render_template('edition.html', results=delays,
from_station=user_settings['from_station'],
to_station=user_settings['to_station'])
# check if we have new content
tag = '"%s"' % (
hashlib.md5(
content + dt.datetime.utcnow().strftime('%d%m%Y')
).hexdigest())
stored_tag = db().hget('train_delays:content_tag', subscription_id)
#print "stored: " + stored_content
#print "content: " + content
print "new content %s" % (stored_tag != tag)
if not stored_tag or stored_tag != tag:
db().hset('train_delays:content_tag', subscription_id, tag)
elif stored_tag == tag:
return
print 'DO REQUEST'
# Post this content to BERG Cloud using OAuth.
response, data = client().request(
user_settings['endpoint'],
method='POST',
body=content,
headers={'Content-Type': 'text/html; charset=utf-8'})
print 'RESPONSE STATUS: %d' % response.status
if response.status == '410':
# By sending a 410 status code, BERG Cloud has informed us this
# user has unsubscribed. So delete their subscription from our
# database.
db().hdel('train_delays:subscriptions', subscription_id)
else:
pass
def push_post():
subscribed_count = 0
unsubscribed_count = 0
for subscription_id, config in db().hgetall('train_delays:subscriptions').iteritems():
# config contains the subscriber's language, name and endpoint.
config = json.loads(config)
# Get a random greeting in this subscriber's chosen language.
#greeting = choice(app.config['GREETINGS'][ config['lang'] ])
# Make the HTML content to push to the printer.
content = render_template(
'edition.html')
#greeting="%s, %s" % (greeting, config['name']))
# Post this content to BERG Cloud using OAuth.
response, data = client().request(
config['endpoint'],
method='POST',
body=content,
headers={'Content-Type': 'text/html; charset=utf-8'})
if response.status == '410':
# By sending a 410 status code, BERG Cloud has informed us this
# user has unsubscribed. So delete their subscription from our
# database.
db().hdel('push_example:subscriptions', subscription_id)
unsubscribed_count += 1
else:
subscribed_count += 1
# Show the same form again, with a message to confirm this worked.
return render_template('push.html',
pushed=True,
subscribed_count=subscribed_count,
unsubscribed_count=unsubscribed_count)
