night-light/NightLight/Program.fs
2026-01-03 18:22:34 +01:00

104 lines
3.4 KiB
FSharp

open System
open System.Text
open System.Threading.Tasks
open Microsoft.Extensions.Logging
open MQTTnet
open MQTTnet.Protocol
open NightLight.PartsOfDay
open NightLight.ZigbeeEvents
open NightLight.ZigbeeCommands
open NightLight.Core
let private generateMqttMessage zigbeeCommand =
match zigbeeCommand with
| ZigbeeCommand(topic, payload) ->
MqttApplicationMessageBuilder()
.WithTopic(topic)
.WithPayload(payload)
.WithQualityOfServiceLevel(MqttQualityOfServiceLevel.AtLeastOnce)
.Build()
let private publishZigbeeCommands (mqttClient: IMqttClient) (logger: ILogger) (commands: ZigbeeCommand seq) =
async {
commands
|> Seq.iter (fun command ->
match command with
| ZigbeeCommand(topic, payload) ->
logger.LogInformation("Publishing message {Payload} to topic {Topic}...", payload, topic))
return!
commands
|> Seq.map generateMqttMessage
|> Seq.map mqttClient.PublishAsync
|> Seq.map Async.AwaitTask
|> Async.Sequential
|> Async.Ignore
}
let private onMqttMessageReceived (mqttClient: IMqttClient) (logger: ILogger) (message: MqttApplicationMessage) =
let payload = message.Payload
let decodedPayload = Encoding.UTF8.GetString(&payload)
logger.LogInformation("Received message with payload {Payload}", decodedPayload)
let commandsResult =
ReceivedZigbeeEvent decodedPayload
|> onEventReceived (getPartOfDay DateTime.Now)
match commandsResult with
| Ok commands -> publishZigbeeCommands mqttClient logger commands
| Error UnknownType -> async.Return()
| Error e ->
logger.LogError("Error {Error} while processing {Payload}", e, payload)
async.Return()
[<EntryPoint>]
let mainAsync _ =
// This is still a stateful mess. Needs to be cleaned up a lot.
async {
let loggerFactory =
LoggerFactory.Create(fun builder -> builder.AddConsole().SetMinimumLevel LogLevel.Information |> ignore)
let logger = loggerFactory.CreateLogger "NightLight"
logger.LogInformation("Current system time is {Now}", DateTime.Now)
let mqttFactory = MqttClientFactory()
use mqttClient = mqttFactory.CreateMqttClient()
let server =
match Environment.GetEnvironmentVariable "MQTT_SERVER" with
| null -> "localhost"
| value -> value
let mqttClientOptions = MqttClientOptionsBuilder().WithTcpServer(server).Build()
mqttClient.add_ApplicationMessageReceivedAsync (fun e ->
onMqttMessageReceived mqttClient logger e.ApplicationMessage
|> Async.StartAsTask
:> Task)
do! mqttClient.ConnectAsync mqttClientOptions |> Async.AwaitTask |> Async.Ignore
do!
mqttClient.SubscribeAsync "zigbee2mqtt/bridge/event"
|> Async.AwaitTask
|> Async.Ignore
let mutable previousPartOfDay: PartOfDay option = None
while true do
let currentPartOfDay = getPartOfDay DateTime.Now
if previousPartOfDay <> Some currentPartOfDay then
do! onPartOfDayChanged currentPartOfDay |> publishZigbeeCommands mqttClient logger
previousPartOfDay <- Some currentPartOfDay
do! Async.Sleep 10_000
do! mqttClient.DisconnectAsync() |> Async.AwaitTask
}
|> Async.RunSynchronously
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