def get(self):
# If we've already imported farmers, don't bother to import them from
# the JSON file.
if Farmer.query().count() > 0:
return self.json_response({'status': 'already_populated'})
with open('attendees.json') as attendees_file:
attendees = json.loads(attendees_file.read())
farmers = []
for name, cell_number in attendees.iteritems():
first_name, last_name = name.split(' ')
farmers.append(Farmer(
first_name=first_name,
last_name=last_name,
cell_number=cell_number,
house_number=cell_number,
farmer_id=generate_farmer_id(),
verified=True,
dob=datetime.datetime.now() -
datetime.timedelta(days=20 * 365),
address='Computer Science Postgrab Lab',
alias=generate_alias(first_name, last_name),
farmer_idx=random.randint(1, 100000),
parish='UWI',
main_activity='Farming',
))
node = Node(node_id='Tomatoes')
ndb.put_multi(farmers + [node])
for _ in range(50):
DataPoint(
temperature=random.randint(40, 90),
pressure=random.randint(20, 30),
humidity=random.randint(65, 100),
light=random.randint(0, 100),
saturation=random.randint(30, 90),
parent=node.key,
).put()
message = """
Low light on tomato patch.
Low barometric pressure.
Possibility of rain.
"""
for farmer in farmers:
send_sms(farmer.cell_number, message)
return self.json_response({'status': 'done'})
def reply_farmer_id(cell_number):
farmer = Farmer.get_by_cell_number(cell_number)
if farmer is None:
logging.error('Farmer not found')
return send_sms(
cell_number,
'Register with RADA to access this service.'
)
message = """
Hello, {farmer.first_name} {farmer.last_name}!
Your farmer ID is {farmer.farmer_id}.
""".format(farmer=farmer)
send_sms(
cell_number,
message,
sender='*****@*****.**',
)
logging.info(message)
def reply_node_status(farmer_id, node):
"""Responds to a message in the form
STATUS <FARMER_ID> <NODE_ID>
with the status of the area compared to optimal values for that crop.
"""
data_points = node.data_points()
temp_readings = Counter([data_point.temperature
for data_point in data_points])
pressure_readings = Counter([data_point.temperature
for data_point in data_points])
humidity_readings = Counter([data_point.temperature
for data_point in data_points])
light_readings = Counter([data_point.temperature
for data_point in data_points])
saturation_readings = Counter([data_point.temperature
for data_point in data_points])
sensor_summary = {
'mode_temperature': temp_readings.most_common(1)[0][0],
'mode_pressure': pressure_readings.most_common(1)[0][0],
'mode_humidity': humidity_readings.most_common(1)[0][0],
'mode_light': light_readings.most_common(1)[0][0],
'mode_saturation': saturation_readings.most_common(1)[0][0],
}
message = """
Stats for {node_id}:
Temperature: {mode_temperature} C
Pressure: {mode_pressure} Bar
Humidity: {mode_humidity}%
Light: {mode_light}
Saturation: {mode_saturation}
""".format(
node_id=node.node_id,
**sensor_summary
)
send_sms(farmer_id, message)
logging.info(message)
def handle(sms_message):
message_body = sms_message.body
if sms_message.to == '*****@*****.**':
logging.info('Message received')
return
elif sms_message.to == '*****@*****.**':
logging.info('Message received from: ' + sms_message.sender)
return reply_farmer_id(sms_message.sender)
elif sms_message.to == '*****@*****.**':
farmer_id, node_id = message_body.split(' ')[1:]
node = Node.get_by_node_id(node_id)
if node is None:
logging.error('Node not found')
return send_sms(
sms_message.sender,
'You don\'t have any %s' % node_id
)
logging.info('Node found')
return reply_node_status(sms_message.sender, node)
