def main(event, context):
my_logging_handler(event, context)
did_hex = event["device"]
time_msg = time.strftime('%Y-%m-%d %H:%M:%S',
time.localtime(int(event["time"])))
logger.info('Received message from device {did} at {time_msg}'.format(
did=did_hex, time_msg=time_msg))
payload = event["data"]
payload_binary = hexa_to_binary(payload)
# Init dynamodb service resource
dynamodb = boto3.resource('dynamodb')
if len(payload_binary) == 16:
data = parse_status(payload_binary)
logger.info('Parsed data: {data}'.format(data=data))
table = dynamodb.Table('battery')
table.put_item(
Item={
'did': int(event["device"]),
'time_msg': time_msg,
'voltage': Decimal(str(data["battery"]))
})
if data["status"] == "alarm" and data["movement"] == "moving":
# Generate phone call
client = Client(account_sid, auth_token)
call = client.calls.create(
url=
"https://castelnajac-open-data.s3-eu-west-1.amazonaws.com/cartracker/call_config.xml",
to=phone_conf[did_hex],
from_="+33567349937",
method="GET")
logger.info("Call id: {cid}".format(cid=call.sid))
if data["battery"] <= battery_threshold:
client = boto3.client('ses')
response = client.send_email(
Source='*****@*****.**',
Destination={'ToAddresses': ['*****@*****.**']},
Message={
'Subject': {
'Data': '[Car Tracker] Low battery'
},
'Body': {
'Html': {
'Data':
"Battery level ({bat}) is lower than {thrs}. Please recharge as soon as possible."
.format(thrs=battery_threshold,
bat=str(data["battery"]))
}
}
})
elif len(payload_binary) >= 60:
payload_binary = hexa_to_binary(payload, spec='0>88b')
parsed = False
# Parse gps data
try:
data = parse_geoloc(payload_binary)
logger.info('Parsed data: {data}'.format(data=data))
parsed = True
#try:
# # Generate sms with position link
# client = Client(account_sid, auth_token)
# message = client.messages.create(
# body="Device {did} position computed: https://www.google.com/maps/place/{lat}+{lng}".format(did=did_hex,lat=data['lat_text'],lng=data['long_text']),
# to=phone_conf[did_hex],
# from_='+33567349937'
# )
# print(message.sid)
#except Exception as e:
# logger.error('Could not send sms: {}'.format(e))
except:
logger.error('Could not parse binary: {}'.format(payload_binary))
if parsed:
client = boto3.client('ses')
url = "https://www.google.com/maps/place/{lat}+{lng}".format(
lat=data['lat_text'], lng=data['long_text'])
response = client.send_email(
Source='*****@*****.**',
Destination={'ToAddresses': ['*****@*****.**']},
Message={
'Subject': {
'Data': '[Car Tracker] New position'
},
'Body': {
'Html': {
'Data':
"New position received from device {did}. You will find it <a href={url}>here</a>."
.format(did=did_hex, url=url)
}
}
})
table = dynamodb.Table('position')
table.put_item(
Item={
'did': int(event["device"]),
'time_msg': time_msg,
'source': 'gps',
'lat': Decimal(str(data["lat"])),
'lng': Decimal(str(data["long"]))
})
else:
logger.warn(
'Payload type not yet supported: {}'.format(payload_binary))
