def update_tokens(request):
"""
We need to record these updates to token states and provide a
way to view this in the Gateway Interface.
"""
session = DBSession()
data = simplejson.loads(request.body)
if not 'device_id' in data:
return Response('You must provide an device_id')
device = session.query(Device)\
.filter_by(device_id=data['device_id']).first()
if device:
for i in data['tokens']:
token = session.query(Token)\
.filter_by(token=i['token_id']).first()
if token:
circuit = session.query(Circuit)\
.filter_by(pin=i['account_id']).first()
if circuit:
job = AddCredit(token.value, circuit, token)
session.add(job)
token.state = 5
session.merge(token)
session.flush()
return Response('Ok')
else:
return Response('You must provide a valid device_id')
def check_meters(env):
"""
Function to check the state of a meter. Run via the command line
python process_check_meters.py config.ini
or via a cron job.
"""
sql_settings = env["registry"].settings["sqlalchemy.url"]
# initialze the database and bind the models to the connection.
# bad things happen if we don't call this.
initialize_sql(sql_settings)
session = DBSession()
meters = session.query(Meter).all()
for meter in meters:
time_difference = datetime.now() - timedelta(hours=1)
log.info("Check meter %s" % meter)
for c in meter.get_circuits():
log.info("--> Check for circuit %s " % c)
last_log = c.get_last_log()
# if we have a log
# often circuits are configured and we never hear from them.
if last_log is not None:
if time_difference > last_log.gateway_time:
alert = UnresponsiveCircuit(datetime.now(), meter, c, last_log.gateway_time)
session.add(alert)
else:
log.info("We have not heard from circuit %s" % c.id)
def make_tokens(request):
"""
A view function that allows the vendor application to request to
new tokens.
"""
session = DBSession()
batch = TokenBatch()
session.add(batch)
session.flush()
data = simplejson.loads(request.body)
if not 'device_id' in data:
return Response('You must provide an device_id')
else:
device = session.query(
Device).filter_by(device_id=data['device_id']).first()
if device:
if not 'tokens' in data:
return Response('You must provide an amount of tokens')
for group in data['tokens']:
for i in range(0, group['count']):
token = Token(Token.get_random(),
batch=batch,
value=group['denomination'])
session.add(token)
session.flush()
return Response(
[{'token_id': int(token.token),
'denomination':
float(token.value)} for token in batch.getTokens()])
else:
return Response('Not a valid device')
def new_user(request):
"""
Function to add a new user to the Gateway's auth system.
Requires the user to provide a user name, password and email address.
The group for the new user is give a list to select from.
TODO, add support for org's once they are add to the models.
"""
session = DBSession()
form = AddUserForm(request.POST)
form.group.query = session.query(Group).all()
if request.method == 'POST' and form.validate():
user = User(form.name.data,
form.password.data,
form.email.data,
form.group.data)
session.add(user)
return HTTPFound(location=request.route_url('admin-users'))
else:
return {'form': form}
