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dzVents/examples/sunscreen.lua

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+-- Define all the sensors which needs to be considered for the sunscreen to close
+local sensors = {
+    temperature = {
+        active = true,
+        device = 'Temperature',
+        closeRule = function(device)
+            return device.temperature <= 15
+        end
+    },
+    wind = {
+        active = true,
+        device = 'Wind',
+        closeRule = function(device)
+            return device.speed >= 50 or device.gust >= 150
+        end
+    },
+    rain = {
+        active = true,
+        device = 'Rain',
+        closeRule = function(device)
+            return device.rainRate > 0
+        end
+    },
+    rainExpected = {
+        active = false,
+        device = 'Rain expected', -- This needs to be a virtual sensor of type 'percentage'
+        closeRule = function(device)
+            return device.percentage > 15
+        end
+    },
+    uv = {
+        active = true,
+        device = 'UV',
+        closeRule = function(device)
+            return device.uv <= 3
+        end
+    },
+    lux = {
+        active = false,
+        device = 'Lux',
+        closeRule = function(device)
+            return device.lux <= 500
+        end
+    }
+}
+
+-- Define the name of your sunscreen device
+local sunscreenDevice = 'Sunscreen'
+
+-- Enable dry run mode to test the sunscreen script without actually activating the sunscreen
+local dryRun = false
+
+-- Define the name of a virtual switch which you can use to disable the sunscreen automation script
+-- Set to false to disable this feature
+local manualOverrideSwitch = false
+
+-- Minutes to wait after a sunscreen close before opening it again.
+local timeBetweenOpens = 10
+
+return {
+    active = true,
+    on = {
+        timer = {'every minute'}
+    },
+    logging = {
+        level = domoticz.LOG_DEBUG,
+        marker = 'Sunscreen'
+    },
+    execute = function(domoticz)
+
+        local function switchOn(sunscreen, message)
+            if (sunscreen.state == 'Closed') then
+                if (not dryRun) then
+                    sunscreen.switchOn()
+                    domoticz.notify('Sunscreen', message)
+                end
+                domoticz.log(message, domoticz.LOG_INFO)
+            end
+        end
+
+        local function switchOff(sunscreen, message)
+            if (sunscreen.state == 'Open') then
+                if (not dryRun) then
+                    sunscreen.switchOff()
+                    domoticz.notify('Sunscreen', message)
+                end
+                domoticz.log(message, domoticz.LOG_INFO)
+            end
+        end
+
+        if (manualOverrideSwitch and domoticz.devices(manualOverrideSwitch).state == 'On') then
+            domoticz.log('Automatic sunscreen script is manually disabled', domoticz.LOG_DEBUG)
+            return
+        end
+
+        local sunscreen = domoticz.devices(sunscreenDevice)
+
+        -- Sunscreen must always be up during nighttime
+        if (domoticz.time.isNightTime) then
+            switchOff(sunscreen, 'Closing sunscreen, It is night')
+            return
+        end
+
+        -- Check all sensor tresholds and if any exeeded close sunscreen
+        for sensorType, sensor in pairs(sensors) do
+
+            if (sensor['active'] == true) then
+
+                local device = domoticz.devices(sensor['device'])
+                local closeRule = sensor['closeRule']
+
+                domoticz.log('Checking sensor: ' .. sensorType, domoticz.LOG_DEBUG)
+
+                if (closeRule(device)) then
+
+                    switchOff(sunscreen, sensorType .. ' treshold exceeded, Sunscreen up')
+
+                    domoticz.log(sensorType .. ' treshold exceeded', domoticz.LOG_DEBUG)
+                    -- Return early when we exeed any tresholds
+                    return
+                end
+            else
+                domoticz.log('Sensor not active skipping: ' .. sensorType, domoticz.LOG_DEBUG)
+            end
+        end
+
+        -- All tresholds OK, sunscreen may be lowered
+        if (sunscreen.lastUpdate.minutesAgo > timeBetweenOpens) then
+            switchOn(sunscreen, 'Sun is shining, all thresholds OK, lowering sunscreen')
+        end
+    end
+}