Domoticz

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--Script to calculate duration and distance between two points using Google Maps
--Author   : woody4165 based on Neutrino Traffic with Waze, updated by G3rard
--Date     : 9 April 2016 
---------------------------------
commandArray={}

time = os.date("*t")
day = tonumber(os.date("%w"))

--idx of devices for capturing the travel minutes in both direction
idxhomework='252'
idxworkhome='253'
--usual traveltime (mins)
usualtimehomework = 50
usualtimeworkhome = 50
--coordinates home
fromx="xx.xxxxxx"
fromy="y.yyyyyy"
--coordinates work
tox="xx.xxxxxx"
toy="y.yyyyyy"
--Google Api Key
key='key'

--determine workday (Mo-Fri)
if (day > 0 and day < 6) then
    werkweek=true; weekend=false
else
    werkweek=false; weekend=true
end

--determine time (7:00-9:00, 16:00-19:00)
if ((time.hour > 6 and time.hour < 9) or (time.hour == 9 and time.min < 1)) then
    ochtend=true; middag=false
elseif ((time.hour > 15 and time.hour < 19) or (time.hour == 19 and time.min < 1)) then
    ochtend=false; middag=true
else
    ochtend=false; middag=false
end

--calculate traveltime
function traveltime(fromx,fromy,tox,toy)
    --import JSON.lua library
    json = (loadfile "/volume1/@appstore/domoticz/var/scripts/lua/functions/JSON.lua")()

    -- get data from Google Maps and decode it in gmaps
    local jsondata    = assert(io.popen('curl "https://maps.googleapis.com/maps/api/directions/json?origin='..fromx..','..fromy..'&destination='..tox..','..toy..'&departure_time=now&key='..key..'"'))
    local jsondevices = jsondata:read('*all')
    jsondata:close()
    local gmaps = json:decode(jsondevices)

    -- Read from the data table, and extract duration and distance in text
    distance = gmaps.routes[1].legs[1].distance.text
    duration = gmaps.routes[1].legs[1].duration_in_traffic.text

    -- mins is only the number part of duration (for evaulation purpose or to return a number in a number device)
    for minutes in string.gmatch(duration, "%d+") do mins = tonumber(minutes) end
    return mins
end

--weekday (Mo-Fri) and time between 7:00-9:00
if (werkweek and ochtend) then
    --every 30 minutes
    if((time.min % 30)==0) then
        homework=traveltime(fromx,fromy,tox,toy)
        message=tostring(homework)..' minuten naar kantoor | '..("%02d:%02d"):format(time.hour, time.min)
		print(message)
		--send message if traveltime is longer than usual
		if(homework > usualtimehomework) then
		    commandArray['SendNotification']=message
		end
        --return a text to the device (eg. 12 mins)
        commandArray[1]={['UpdateDevice'] =idxhomework..'|0|' .. tostring(homework)}
    end
end

--weekday (Mo-Thu) and time between 16:00-19:00
if (werkweek and middag) then
    --every 30 minutes
    if((time.min % 30)==0) then
        workhome=traveltime(tox,toy,fromx,fromy)
        message=tostring(workhome)..' minuten naar huis | '..("%02d:%02d"):format(time.hour, time.min)
		print(message)
		--send message if traveltime is longer than usual
		if(workhome > usualtimeworkhome) then
		    commandArray['SendNotification']=message
		end
        --return a text to the device (eg. 12 mins)
        commandArray[2]={['UpdateDevice'] =idxworkhome..'|0|' .. tostring(workhome)}
    end
end

return commandArray

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---------------------------------
--Script to calculate duration and distance between two points using Google Maps
--Author : woody4165 based on Neutrino Traffic with Waze, updated by G3rard, refactored by xces
--Date : 9 April 2016 
---------------------------------

-- We don't have to run this script at all if:
-- 1) we are not at a half hour mark
-- 2) we are currently in the weekend (or)
time = os.date("*t")
day = tonumber(os.date("%w"))
if ( ((time.min % 30) > 0) or ((day == 0) or (day == 6))) then
	return {}
end

-- Settings for this script
key = 'key'				--Google Api Key
homeX = 'xx.xxxxxx'		--coordinates home
homeY = 'y.yyyyyy'
workX = 'xx.xxxxxx'		--coordinates work
workY = 'y.yyyyyy'
homeWorkIdx = '252'		--idx of devices for capturing the travel minutes
homeWorkMins = 50		--usual traveltime (mins)
homeWorkMsg = "minutes traveltime to the office"
workHomeIdx = '253'		--idx of devices for capturing the travel minutes
workHomeMins = 50		--usual traveltime (mins)
workHomeMsg = "minutes traveltime to home"

-- Start script
commandArray={}

--determine time (7:00-9:00, 16:00-19:00)
if ((time.hour > 6 and time.hour < 9) or (time.hour == 9 and time.min < 1)) then
	-- Morning, traveling from home to work
	sourceX = homeX
	sourceY = homeY
	targetX = workX
	targetY = workY
	deviceIdx = homeWorkIdx
	usualMins = homeWorkMins
	notificationMsg = homeWorkMsg
elseif ((time.hour > 15 and time.hour < 19) or (time.hour == 19 and time.min < 1)) then
	-- Afternoon, traveling from work to home
	sourceX = workX
	sourceY = workY
	targetX = homeX
	targetY = homeY
	deviceIdx = workHomeIdx
	usualMins = workHomeMins
	notificationMsg = workHomeMsg
else
	-- Script is running in a period where we don't have to do anything, so bail
	return commandArray 
end

-- calculates traveltime
function traveltime(fromx, fromy, tox, toy)
	--import JSON.lua library
	json = (loadfile "/volume1/@appstore/domoticz/var/scripts/lua/functions/JSON.lua")()

	-- get data from Google Maps and decode it in gmaps
	local jsondata = assert(io.popen('curl "https://maps.googleapis.com/maps/api/directions/json?origin='..fromx..','..fromy..'&destination='..tox..','..toy..'&departure_time=now&key='..key..'"'))
	local jsondevices = jsondata:read('*all')
	jsondata:close()
	local gmaps = json:decode(jsondevices)

	-- Read from the data table, and extract duration and distance in text
	distance = gmaps.routes[1].legs[1].distance.text
	duration = gmaps.routes[1].legs[1].duration_in_traffic.text

	-- mins is only the number part of duration (for evaulation purpose or to return a number in a number device)
	for minutes in string.gmatch(duration, "%d+") do
		mins = tonumber(minutes)
	end
	return mins
end

-- Since we already put the variables above, we can now simplyfy the code below
currentTravelTimeInMins = traveltime(sourceX, sourceY, targetX, targetY)
message = tostring(currentTravelTimeInMins) .. ' ' .. notificationMsg .. ' | ' .. ("%02d:%02d"):format(time.hour, time.min)
print(message)

-- send message if traveltime is longer than usual
if (currentTravelTimeInMins > usualMins) then
	commandArray['SendNotification'] = message
end

-- return a text to the device (eg. 12 mins)
commandArray[1] = { ['UpdateDevice'] = deviceIdx .. '|0|' .. tostring(currentTravelTimeInMins) }

return commandArray

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-- Start script
commandArray={}

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Error: EventSystem: Lua script Traffic did not return a commandArray