def configuration(action):
form = AddRoomForm(request.form)
error = None
success = None
if form.validate_on_submit():
if action == 'add':
topic = request.form['topic']
displayname = request.form['displayname']
nightlevel = request.form['nightlevel']
subscription = getSubscription(topic)
if subscription:
error = 'Topic already exist.'
else:
item = {
'Topic': topic,
'Timestamp': time.time(),
'Displayname': displayname,
'Nightlevel': Decimal(nightlevel)
}
r = putItem('Subscription',item)
if r:
roomSubscribe(topic)
success = 'Added new room.'
else:
error = 'Unable to add subscription.'
elif action == 'edit':
topic = request.form['topic']
displayname = request.form['displayname']
nightlevel = request.form['nightlevel']
subscription = getSubscription(topic)
if subscription:
key = {
'Topic': topic
}
updateExpression = 'set Displayname = :d, Nightlevel=:n'
expressionAttributeValues = {
':d': displayname,
':n': Decimal(nightlevel)
}
r = updateItem('Subscription',key,updateExpression,expressionAttributeValues)
if r:
success = 'Room edited.'
else:
error = 'Unable to edit subscription.'
else:
error = 'Topic does not exist.'
templateData = {
'form': form,
'error': error,
'success': success
}
return render_template('settings/configuration.html', **templateData)
def mqttCallback(client, userdata, message):
rooms = app.rooms
topic = message.topic
payload = json.loads(message.payload)
parts = topic.split('/')
if len(parts) == 3:
room = parts[1]
type = parts[2]
if room in rooms:
socketio = app.socketio
rpi = rooms[room]
if type == 'sensors':
rpi.setSensorsData(payload)
socketio.emit(room,rpi.getSensorsData(),room='sensors')
light = rpi.light
if light:
subscription = getSubscription(rpi.topic)
if subscription:
nightlevel = subscription['Nightlevel']
leds = rpi.leds
if leds:
lastmotion = rpi.lastmotion
if convertLight(light) > nightlevel or not lastmotion or lastmotion < datetimeToTimestamp(datetime.datetime.now() - datetime.timedelta(seconds=30)):
for pin,d in leds.iteritems():
value = d['Value']
overwrite = d['Overwrite']
if value != 0 and not overwrite:
setLEDValue(room,pin,0)
elif type == 'controls':
rpi.setControlsData(payload)
socketio.emit(room,rpi.getControlsData(),room='controls')
elif type == 'motion':
lastmotion = payload['Timestamp']
rpi.lastmotion = lastmotion
light = rpi.light
if light:
subscription = getSubscription(rpi.topic)
nightlevel = subscription['Nightlevel']
if convertLight(light) <= nightlevel:
leds = rpi.leds
if leds:
for pin,d in leds.iteritems():
value = d['Value']
overwrite = d['Overwrite']
if value != 1 and not overwrite:
setLEDValue(room,pin,1)
socketio.emit(room,rpi.getControlsData(),room='controls')
def roomSubscribe(topic):
subscription = getSubscription(topic)
if subscription:
topicname = subscription['Topic']
displayname = subscription['Displayname']
rpi = RPI(topicname,displayname)
app.rooms[topicname] = rpi
mqttClient = app.mqttClient
topic = 'room/{}/#'.format(topicname)
mqttClient.subscribe(topic, 1, mqttCallback)
def deletesubscription(topic):
if topic:
subscription = getSubscription(topic)
if subscription:
topic = subscription['Topic']
key = {'Topic': topic}
r = deleteItem('Subscription', key)
if r:
roomUnsubscribe(topic)
deleteSensorTopic = DeleteSensorTopic(topic)
deleteSensorTopic.start()
return ('', 204)
def subscriptionjson(room):
if room:
results = [getSubscription(room)]
else:
results = scan('Subscription')
data = []
if results:
for s in results:
data.append({
'Topic': s['Topic'],
'Timestamp': s['Timestamp'],
'Displayname': s['Displayname'],
'Nightlevel': s['Nightlevel']
})
return json.dumps(data, cls=DecimalEncoder)
def deletesubscription(topic):
if topic:
subscription = getSubscription(topic)
if subscription:
topic = subscription['Topic']
key = {
'Topic': topic
}
r = deleteItem('Subscription',key)
if r:
roomUnsubscribe(topic)
condition = Key('Room').eq(topic)
columns = '#timestamp'
expressions = {'#timestamp':'Timestamp'}
results = query('Sensor',condition,columns,expressions)
for r in results:
key = {
'Room': topic,
'Timestamp': r['Timestamp']
}
deleteItem('Sensor',key)
return redirect(url_for('settings.configuration'))
