Add juicenet platform (#7668)

* Add juicenet platform

* Update missing variable
Add missing blank lines

* Remove unnecessary override

* Update juicenet.py

* Remove whitespace
Add missing docstring

* Remove unused services
Use the hass built in unique_id

* Fix lint issues

* Update python-juicenet library version

* Update python-juicenet library version

* Remove unnecessary code

* Remove unused import

* Remove super call

homeassistant/components/sensor/juicenet.py

@@ -0,0 +1,115 @@
+"""
+Support for monitoring juicenet/juicepoint/juicebox based EVSE sensors.
+
+For more details about this platform, please refer to the documentation at
+at https://home-assistant.io/components/sensor.juicenet/
+"""
+
+import logging
+
+from homeassistant.const import TEMP_CELSIUS
+from homeassistant.helpers.entity import Entity
+from homeassistant.components.juicenet import JuicenetDevice, DOMAIN
+
+DEPENDENCIES = ['juicenet']
+_LOGGER = logging.getLogger(__name__)
+
+SENSOR_TYPES = {
+    'status': ['Charging Status', None],
+    'temperature': ['Temperature', TEMP_CELSIUS],
+    'voltage': ['Voltage', 'V'],
+    'amps': ['Amps', 'A'],
+    'watts': ['Watts', 'W'],
+    'charge_time': ['Charge time', 's'],
+    'energy_added': ['Energy added', 'Wh']
+}
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up the Juicenet sensor."""
+    api = hass.data[DOMAIN]['api']
+
+    dev = []
+    for device in api.get_devices():
+        for variable in SENSOR_TYPES:
+            dev.append(JuicenetSensorDevice(device, variable, hass))
+
+    add_devices(dev)
+
+
+class JuicenetSensorDevice(JuicenetDevice, Entity):
+    """Implementation of a Juicenet sensor."""
+
+    def __init__(self, device, sensor_type, hass):
+        """Initialise the sensor."""
+        super().__init__(device, sensor_type, hass)
+        self._name = SENSOR_TYPES[sensor_type][0]
+        self._unit_of_measurement = SENSOR_TYPES[sensor_type][1]
+
+    @property
+    def name(self):
+        """Return the name of the device."""
+        return '{} {}'.format(self.device.name(), self._name)
+
+    @property
+    def icon(self):
+        """Return the icon of the sensor."""
+        icon = None
+        if self.type == 'status':
+            status = self.device.getStatus()
+            if status == 'standby':
+                icon = 'mdi:power-plug-off'
+            elif status == 'plugged':
+                icon = 'mdi:power-plug'
+            elif status == 'charging':
+                icon = 'mdi:battery-positive'
+        elif self.type == 'temperature':
+            icon = 'mdi:thermometer'
+        elif self.type == 'voltage':
+            icon = 'mdi:flash'
+        elif self.type == 'amps':
+            icon = 'mdi:flash'
+        elif self.type == 'watts':
+            icon = 'mdi:flash'
+        elif self.type == 'charge_time':
+            icon = 'mdi:timer'
+        elif self.type == 'energy_added':
+            icon = 'mdi:flash'
+        return icon
+
+    @property
+    def unit_of_measurement(self):
+        """Return the unit the value is expressed in."""
+        return self._unit_of_measurement
+
+    @property
+    def state(self):
+        """Return the state."""
+        state = None
+        if self.type == 'status':
+            state = self.device.getStatus()
+        elif self.type == 'temperature':
+            state = self.device.getTemperature()
+        elif self.type == 'voltage':
+            state = self.device.getVoltage()
+        elif self.type == 'amps':
+            state = self.device.getAmps()
+        elif self.type == 'watts':
+            state = self.device.getWatts()
+        elif self.type == 'charge_time':
+            state = self.device.getChargeTime()
+        elif self.type == 'energy_added':
+            state = self.device.getEnergyAdded()
+        else:
+            state = 'Unknown'
+        return state
+
+    @property
+    def device_state_attributes(self):
+        """Return the state attributes."""
+        attributes = {}
+        if self.type == 'status':
+            man_dev_id = self.device.id()
+            if man_dev_id:
+                attributes["manufacturer_device_id"] = man_dev_id
+        return attributes