Home automation DSL in Swift

Example.swift

/**
	ExampleAutomationScript.swift
	ZWaveTest

	Created by Rick Mann on 2020-11-11.
	Copyright © 2020 Latency: Zero, LLC. All rights reserved.
	
	This file was born as a scratchpad to help me think about what I wanted this
	automation language to look like.
*/


//	Create devices so we can set up rules for them.

//	Some switches that can be turned on or off, and queried for their current on/off state…

let overheadLights = Device(serviceID: "urn:upnp-org:serviceId:SwitchPower1", number: 5)
let deskLight = Device(serviceID: "urn:upnp-org:serviceId:SwitchPower1", number: 34)
let waterHeater = Device(serviceID: "urn:upnp-org:serviceId:SwitchPower1", number: 25)

//	We want a lot of our rules to depend on whether or not someone is present.
//	This defines occupancy by whether or not the overhead lights are on. An
//	alternative occupancy might be "Rick’s iPhone is present."

let occupied = overheadLights.on

//	Schedule periods can be defined…

let summer = June...September
let winter = October...May

let onPeak = summer.weekdays(1600...2100)
let midPeak = summer.weekends(1600...2100) || winter.daily(1600...2100)
let offPeak = summer.weekdays(2100...1600) || winter.daily(2100...0800)
let superOffPeak = winter.daily(0800...1600)

//	Create a rule that turns on the water heater any time the place is
//	occupied, except during peak electricity rate ToU periods…

waterHeater.on = occupied && !onPeak