class States(object):
def __init__(self):
self._dao = Sensors()
self._sr = StateResolver()
exposed = True
def GET(self, *args, **kwargs):
sensors = self._dao.findSensors()
sensors = sorted(sensors, key = itemgetter('locationName', 'ChannelDescriptor'))
elements = []
for sensor in sensors:
elements.append(
{
'color': self.getBackgroundColor(sensor),
'room': '%(loc)s: %(sen)s' % { 'loc': sensor['locationName'], 'sen': sensor['name'] },
'channel': sensor['ChannelDescriptor'],
'value': sensor['value'],
'status': self._sr.getDisplayState(sensor)
})
cherrypy.response.headers['Content-Type'] = 'application/json'
return json.dumps(elements)
def getBackgroundColor(self, sensor):
stype = sensor['sensorTypeName']
if stype == 'CONTACT_REED':
if float(sensor['value']) == 1:
return '#FF0000'
else:
return '#00FF00' # closed door == green colour
elif stype == 'CONTACT_PRESSUREMAT':
if float(sensor['value']) == 1:
return '#00FF00' # vacant chair == green colour
else:
return '#FF0000'
elif stype == 'TEMPERATURE_MCP9700_HOT' or stype == 'TEMPERATURE_MCP9700_COLD':
#return str((float(sensor['value']) - 0.5) * 100.0) + 'C'
temp = float(sensor['value'])
if temp < 0.0:
r = 0
elif temp > 50.0:
r = 255
else:
r = int(temp * 5.1) # -0C..+50C -> 0..255
g = 0
b = 255 - r
return '#%02X%02X%02X' % (r, g, b)
elif stype == 'POWER_CONSUMPTION_MONITOR':
if self._sr.isSensorOn(sensor):
return '#FFFF00'
else:
return '#00FF00' # closed door == green colour
else:
return 'None'
