Domoticz

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-- deleteInactive

local httpResponses = "deleteInactive"

return {
    on      =   {
                    timer           =   { "at 16:24"    },                       -- Your preferred time or times
                    httpResponses   =   { httpResponses }
                },

    logging =   {
                    level           =   domoticz.LOG_DEBUG,
                    marker          =   httpResponses
                },

    execute = function(dz, item)
       local hardwareTypes2Delete =   
                                    { 
                                        "RFXCOM - RFXtrx433 USB 433.92MHz Transceiver",   -- All hardware types can be found in source file
                                        "RFLink Gateway USB",                             -- main/RFXNames.h
                                        "OpenZWave USB",
                                    } 
        local deleteAllUnused = false                                                     -- set true if you want to delete all unused devices
        local simulationOnly  = true                                                       -- set to false if you are ready to really delete unused devices
	
	
	local simulationString = ""
        if simulationOnly then 
           simulationString = "-- Simulation mode -- "
        end
        
        
        local function logWrite(str,level)
            dz.log(tostring(str),level or dz.LOG_DEBUG)
        end

        local function getUnusedDevices()
            local  url = dz.settings['Domoticz url'] .. "/json.htm?type=devices&used=false" 
            dz.openURL({    url = url,
                            method = "GET",
                            callback = httpResponses })
        end
        
        local function deleteDevice(idx)
            if not simulationOnly then 
                dz.openURL( dz.settings['Domoticz url'] .. "/json.htm?type=deletedevice&idx=" .. idx)
            end
            logWrite(simulationString .. "deleting device id: "  .. idx)
        end
        
        local function processUnused(result)
            if result == nil then
                logWrite ("No unused devices found")
                return
            end
            for index in pairs(result) do
                if deleteAllUnused then 
                    logWrite(simulationString .. "Unused device " .. result[index].idx .. ", hardware Type: " .. result[index].HardwareType .. "; will be deleted.")
                    deleteDevice(result[index].idx)
                else
                    for i in ipairs(hardwareTypes2Delete) do
                        if result[index].HardwareType == hardwareTypes2Delete[i] then
                            logWrite(simulationString .. "Unused device " .. result[index].idx .. ", hardware Type: " .. result[index].HardwareType .. "; will be deleted.")
                            deleteDevice(result[index].idx)
                        end
                    end
                end
            end
        end
        
        -- Main
        if not item.isHTTPResponse then
            getUnusedDevices()
        elseif item.ok then                                      -- statusCode == 2xx
            processUnused(item.json.result)
        end
    end
}