43 lines
1.7 KiB
FSharp
43 lines
1.7 KiB
FSharp
module internal NightLight.Core.ZigbeeEvents
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open NightLight.Core.Models
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open FsToolkit.ErrorHandling
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open FSharp.Data
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type Action =
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| PressedOn
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| PressedOff
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| PressedLeft
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type ZigbeeEvent =
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| DeviceAnnounce of DeviceFriendlyName
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| ButtonPress of Action
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let parseZigbeeEvent (message: Message) =
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result {
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let! jsonValue = JsonValue.TryParse message.Payload |> Result.requireSome InvalidJson
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match message.Topic with
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| "zigbee2mqtt/bridge/event" ->
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let! messageType = jsonValue.TryGetProperty "type" |> Result.requireSome MissingTypeField
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let! messageData = jsonValue.TryGetProperty "data" |> Result.requireSome MissingDataField
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return!
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match messageType with
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| JsonValue.String "device_announce" ->
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match messageData.TryGetProperty "friendly_name" with
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| Some(JsonValue.String friendlyName) -> Ok <| DeviceAnnounce(DeviceFriendlyName friendlyName)
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| Some _ -> Error InvalidFriendlyNameField
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| None -> Error MissingFriendlyNameField
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| JsonValue.String _ -> Error UnknownType
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| _ -> Error InvalidTypeField
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| "zigbee2mqtt/Fjärrkontroll" ->
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return!
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match jsonValue.TryGetProperty "action" with
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| Some(JsonValue.String "on") -> Ok(ButtonPress PressedOn)
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| Some(JsonValue.String "off") -> Ok(ButtonPress PressedOff)
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| Some(JsonValue.String "arrow_left_click") -> Ok(ButtonPress PressedLeft)
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| Some _ -> Error InvalidActionField
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| None -> Error MissingActionField
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| _ -> return! Error <| UnknownTopic message.Topic
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}
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