core/homeassistant/components/sensor/fitbit.py

417 lines
15 KiB
Python

"""
Support for the Fitbit API.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.fitbit/
"""
import os
import json
import logging
import datetime
import time
import voluptuous as vol
from homeassistant.core import callback
from homeassistant.components.http import HomeAssistantView
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.helpers.entity import Entity
from homeassistant.loader import get_component
from homeassistant.util import Throttle
import homeassistant.helpers.config_validation as cv
REQUIREMENTS = ['fitbit==0.2.3']
_CONFIGURING = {}
_LOGGER = logging.getLogger(__name__)
ATTR_ACCESS_TOKEN = 'access_token'
ATTR_REFRESH_TOKEN = 'refresh_token'
ATTR_CLIENT_ID = 'client_id'
ATTR_CLIENT_SECRET = 'client_secret'
ATTR_LAST_SAVED_AT = 'last_saved_at'
CONF_MONITORED_RESOURCES = 'monitored_resources'
DEPENDENCIES = ['http']
FITBIT_AUTH_CALLBACK_PATH = '/auth/fitbit/callback'
FITBIT_AUTH_START = '/auth/fitbit'
FITBIT_CONFIG_FILE = 'fitbit.conf'
FITBIT_DEFAULT_RESOURCES = ['activities/steps']
ICON = 'mdi:walk'
MIN_TIME_BETWEEN_UPDATES = datetime.timedelta(minutes=30)
DEFAULT_CONFIG = {
'client_id': 'CLIENT_ID_HERE',
'client_secret': 'CLIENT_SECRET_HERE'
}
FITBIT_RESOURCES_LIST = {
'activities/activityCalories': 'cal',
'activities/calories': 'cal',
'activities/caloriesBMR': 'cal',
'activities/distance': '',
'activities/elevation': '',
'activities/floors': 'floors',
'activities/heart': 'bpm',
'activities/minutesFairlyActive': 'minutes',
'activities/minutesLightlyActive': 'minutes',
'activities/minutesSedentary': 'minutes',
'activities/minutesVeryActive': 'minutes',
'activities/steps': 'steps',
'activities/tracker/activityCalories': 'cal',
'activities/tracker/calories': 'cal',
'activities/tracker/distance': '',
'activities/tracker/elevation': '',
'activities/tracker/floors': 'floors',
'activities/tracker/minutesFairlyActive': 'minutes',
'activities/tracker/minutesLightlyActive': 'minutes',
'activities/tracker/minutesSedentary': 'minutes',
'activities/tracker/minutesVeryActive': 'minutes',
'activities/tracker/steps': 'steps',
'body/bmi': 'BMI',
'body/fat': '%',
'sleep/awakeningsCount': 'times awaken',
'sleep/efficiency': '%',
'sleep/minutesAfterWakeup': 'minutes',
'sleep/minutesAsleep': 'minutes',
'sleep/minutesAwake': 'minutes',
'sleep/minutesToFallAsleep': 'minutes',
'sleep/startTime': 'start time',
'sleep/timeInBed': 'time in bed',
'body/weight': ''
}
FITBIT_MEASUREMENTS = {
'en_US': {
'duration': 'ms',
'distance': 'mi',
'elevation': 'ft',
'height': 'in',
'weight': 'lbs',
'body': 'in',
'liquids': 'fl. oz.',
'blood glucose': 'mg/dL',
},
'en_GB': {
'duration': 'milliseconds',
'distance': 'kilometers',
'elevation': 'meters',
'height': 'centimeters',
'weight': 'stone',
'body': 'centimeters',
'liquids': 'milliliters',
'blood glucose': 'mmol/L'
},
'metric': {
'duration': 'milliseconds',
'distance': 'kilometers',
'elevation': 'meters',
'height': 'centimeters',
'weight': 'kilograms',
'body': 'centimeters',
'liquids': 'milliliters',
'blood glucose': 'mmol/L'
}
}
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Optional(CONF_MONITORED_RESOURCES, default=FITBIT_DEFAULT_RESOURCES):
vol.All(cv.ensure_list, [vol.In(FITBIT_RESOURCES_LIST)]),
})
def config_from_file(filename, config=None):
"""Small configuration file management function."""
if config:
# We"re writing configuration
try:
with open(filename, 'w') as fdesc:
fdesc.write(json.dumps(config))
except IOError as error:
_LOGGER.error("Saving config file failed: %s", error)
return False
return config
else:
# We"re reading config
if os.path.isfile(filename):
try:
with open(filename, 'r') as fdesc:
return json.loads(fdesc.read())
except IOError as error:
_LOGGER.error("Reading config file failed: %s", error)
# This won"t work yet
return False
else:
return {}
def request_app_setup(hass, config, add_devices, config_path,
discovery_info=None):
"""Assist user with configuring the Fitbit dev application."""
configurator = get_component('configurator')
# pylint: disable=unused-argument
def fitbit_configuration_callback(callback_data):
"""Handle configuration updates."""
config_path = hass.config.path(FITBIT_CONFIG_FILE)
if os.path.isfile(config_path):
config_file = config_from_file(config_path)
if config_file == DEFAULT_CONFIG:
error_msg = ("You didn't correctly modify fitbit.conf",
" please try again")
configurator.notify_errors(_CONFIGURING['fitbit'], error_msg)
else:
setup_platform(hass, config, add_devices, discovery_info)
else:
setup_platform(hass, config, add_devices, discovery_info)
start_url = "{}{}".format(hass.config.api.base_url,
FITBIT_AUTH_CALLBACK_PATH)
description = """Please create a Fitbit developer app at
https://dev.fitbit.com/apps/new.
For the OAuth 2.0 Application Type choose Personal.
Set the Callback URL to {}.
They will provide you a Client ID and secret.
These need to be saved into the file located at: {}.
Then come back here and hit the below button.
""".format(start_url, config_path)
submit = "I have saved my Client ID and Client Secret into fitbit.conf."
_CONFIGURING['fitbit'] = configurator.request_config(
hass, 'Fitbit', fitbit_configuration_callback,
description=description, submit_caption=submit,
description_image="/static/images/config_fitbit_app.png"
)
def request_oauth_completion(hass):
"""Request user complete Fitbit OAuth2 flow."""
configurator = get_component('configurator')
if "fitbit" in _CONFIGURING:
configurator.notify_errors(
_CONFIGURING['fitbit'], "Failed to register, please try again.")
return
# pylint: disable=unused-argument
def fitbit_configuration_callback(callback_data):
"""Handle configuration updates."""
start_url = '{}{}'.format(hass.config.api.base_url, FITBIT_AUTH_START)
description = "Please authorize Fitbit by visiting {}".format(start_url)
_CONFIGURING['fitbit'] = configurator.request_config(
hass, 'Fitbit', fitbit_configuration_callback,
description=description,
submit_caption="I have authorized Fitbit."
)
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up the Fitbit sensor."""
config_path = hass.config.path(FITBIT_CONFIG_FILE)
if os.path.isfile(config_path):
config_file = config_from_file(config_path)
if config_file == DEFAULT_CONFIG:
request_app_setup(
hass, config, add_devices, config_path, discovery_info=None)
return False
else:
config_file = config_from_file(config_path, DEFAULT_CONFIG)
request_app_setup(
hass, config, add_devices, config_path, discovery_info=None)
return False
if "fitbit" in _CONFIGURING:
get_component('configurator').request_done(_CONFIGURING.pop("fitbit"))
import fitbit
access_token = config_file.get(ATTR_ACCESS_TOKEN)
refresh_token = config_file.get(ATTR_REFRESH_TOKEN)
if None not in (access_token, refresh_token):
authd_client = fitbit.Fitbit(config_file.get(ATTR_CLIENT_ID),
config_file.get(ATTR_CLIENT_SECRET),
access_token=access_token,
refresh_token=refresh_token)
if int(time.time()) - config_file.get(ATTR_LAST_SAVED_AT, 0) > 3600:
authd_client.client.refresh_token()
authd_client.system = authd_client.user_profile_get()["user"]["locale"]
if authd_client.system != 'en_GB':
if hass.config.units.is_metric:
authd_client.system = 'metric'
else:
authd_client.system = 'en_US'
dev = []
for resource in config.get(CONF_MONITORED_RESOURCES):
dev.append(FitbitSensor(
authd_client, config_path, resource,
hass.config.units.is_metric))
add_devices(dev)
else:
oauth = fitbit.api.FitbitOauth2Client(
config_file.get(ATTR_CLIENT_ID),
config_file.get(ATTR_CLIENT_SECRET))
redirect_uri = '{}{}'.format(hass.config.api.base_url,
FITBIT_AUTH_CALLBACK_PATH)
fitbit_auth_start_url, _ = oauth.authorize_token_url(
redirect_uri=redirect_uri,
scope=['activity', 'heartrate', 'nutrition', 'profile',
'settings', 'sleep', 'weight'])
hass.http.register_redirect(FITBIT_AUTH_START, fitbit_auth_start_url)
hass.http.register_view(FitbitAuthCallbackView(
config, add_devices, oauth))
request_oauth_completion(hass)
class FitbitAuthCallbackView(HomeAssistantView):
"""Handle OAuth finish callback requests."""
requires_auth = False
url = '/auth/fitbit/callback'
name = 'auth:fitbit:callback'
def __init__(self, config, add_devices, oauth):
"""Initialize the OAuth callback view."""
self.config = config
self.add_devices = add_devices
self.oauth = oauth
@callback
def get(self, request):
"""Finish OAuth callback request."""
from oauthlib.oauth2.rfc6749.errors import MismatchingStateError
from oauthlib.oauth2.rfc6749.errors import MissingTokenError
hass = request.app['hass']
data = request.query
response_message = """Fitbit has been successfully authorized!
You can close this window now!"""
if data.get('code') is not None:
redirect_uri = '{}{}'.format(
hass.config.api.base_url, FITBIT_AUTH_CALLBACK_PATH)
try:
self.oauth.fetch_access_token(data.get('code'), redirect_uri)
except MissingTokenError as error:
_LOGGER.error("Missing token: %s", error)
response_message = """Something went wrong when
attempting authenticating with Fitbit. The error
encountered was {}. Please try again!""".format(error)
except MismatchingStateError as error:
_LOGGER.error("Mismatched state, CSRF error: %s", error)
response_message = """Something went wrong when
attempting authenticating with Fitbit. The error
encountered was {}. Please try again!""".format(error)
else:
_LOGGER.error("Unknown error when authing")
response_message = """Something went wrong when
attempting authenticating with Fitbit.
An unknown error occurred. Please try again!
"""
html_response = """<html><head><title>Fitbit Auth</title></head>
<body><h1>{}</h1></body></html>""".format(response_message)
config_contents = {
ATTR_ACCESS_TOKEN: self.oauth.token['access_token'],
ATTR_REFRESH_TOKEN: self.oauth.token['refresh_token'],
ATTR_CLIENT_ID: self.oauth.client_id,
ATTR_CLIENT_SECRET: self.oauth.client_secret
}
if not config_from_file(hass.config.path(FITBIT_CONFIG_FILE),
config_contents):
_LOGGER.error("Failed to save config file")
hass.async_add_job(setup_platform, hass, self.config, self.add_devices)
return html_response
class FitbitSensor(Entity):
"""Implementation of a Fitbit sensor."""
def __init__(self, client, config_path, resource_type, is_metric):
"""Initialize the Fitbit sensor."""
self.client = client
self.config_path = config_path
self.resource_type = resource_type
pretty_resource = self.resource_type.replace('activities/', '')
pretty_resource = pretty_resource.replace('/', ' ')
pretty_resource = pretty_resource.title()
if pretty_resource == 'Body Bmi':
pretty_resource = 'BMI'
elif pretty_resource == 'Heart':
pretty_resource = 'Resting Heart Rate'
self._name = pretty_resource
unit_type = FITBIT_RESOURCES_LIST[self.resource_type]
if unit_type == "":
split_resource = self.resource_type.split('/')
try:
measurement_system = FITBIT_MEASUREMENTS[self.client.system]
except KeyError:
if is_metric:
measurement_system = FITBIT_MEASUREMENTS['metric']
else:
measurement_system = FITBIT_MEASUREMENTS['en_US']
unit_type = measurement_system[split_resource[-1]]
self._unit_of_measurement = unit_type
self._state = 0
self.update()
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def state(self):
"""Return the state of the sensor."""
return self._state
@property
def unit_of_measurement(self):
"""Return the unit of measurement of this entity, if any."""
return self._unit_of_measurement
@property
def icon(self):
"""Icon to use in the frontend, if any."""
return ICON
@Throttle(MIN_TIME_BETWEEN_UPDATES)
def update(self):
"""Get the latest data from the Fitbit API and update the states."""
container = self.resource_type.replace("/", "-")
response = self.client.time_series(self.resource_type, period='7d')
self._state = response[container][-1].get('value')
if self.resource_type == 'activities/heart':
self._state = response[container][-1]. \
get('value').get('restingHeartRate')
config_contents = {
ATTR_ACCESS_TOKEN: self.client.client.token['access_token'],
ATTR_REFRESH_TOKEN: self.client.client.token['refresh_token'],
ATTR_CLIENT_ID: self.client.client.client_id,
ATTR_CLIENT_SECRET: self.client.client.client_secret,
ATTR_LAST_SAVED_AT: int(time.time())
}
if not config_from_file(self.config_path, config_contents):
_LOGGER.error("Failed to save config file")