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83 lines
2.9 KiB
83 lines
2.9 KiB
package net.aiterp.git.ykonsole2.application.routes.ws
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import io.ktor.server.routing.*
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import io.ktor.server.websocket.*
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import io.ktor.websocket.*
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.cancelAndJoin
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import kotlinx.coroutines.launch
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import net.aiterp.git.ykonsole2.application.logging.log
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import net.aiterp.git.ykonsole2.application.plugins.ykObjectMapper
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import net.aiterp.git.ykonsole2.application.routes.ValueDTO
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import net.aiterp.git.ykonsole2.application.routes.WorkoutDTO
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import net.aiterp.git.ykonsole2.domain.models.*
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import net.aiterp.git.ykonsole2.domain.runtime.*
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import java.lang.Exception
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private object WebSocketHandler
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fun Route.sockets(
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deviceRepo: DeviceRepository,
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programRepo: ProgramRepository,
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workoutRepo: WorkoutRepository,
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workoutStateRepo: WorkoutStateRepository,
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commandBus: CommandBus,
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eventBus: EventBus,
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) {
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val log = WebSocketHandler.log
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webSocket("/workouts/active") {
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val clientId = "ws-client-${randomId()}"
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val active = workoutRepo.findActive()
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if (active != null) {
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var job: Job? = null
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try {
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log.info("$clientId: Sending workout metadata...")
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val device = deviceRepo.findById(active.deviceId)!!
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val program = active.programId?.let { programRepo.findById(it) }
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sendSerialized(SocketOutput(workout = WorkoutDTO(active, device, program)))
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log.info("$clientId: Sending workout states...")
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val workoutStates = workoutStateRepo.fetchByWorkoutId(active.id)
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sendSerialized(SocketOutput(workoutStates = workoutStates.map { ValueDTO.from(it) }))
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job = launch {
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log.info("$clientId: Starting event listener...")
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eventBus.collect { event ->
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when (event) {
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Connected, Started, Stopped, Disconnected -> {
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sendSerialized(SocketOutput(event = SocketOutput.EventDTO(name = event.name)))
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if (event is Disconnected) close()
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}
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is ErrorOccurred -> sendSerialized(SocketOutput(error = SocketOutput.Error(event.message)))
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is ValuesReceived -> sendSerialized(SocketOutput(workoutStates = listOf(ValueDTO.from(event.values))))
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}
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}
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}
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log.info("$clientId: Ready for incoming frames")
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for (frame in incoming) {
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frame as? Frame.Text ?: continue
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val input: SocketInput = ykObjectMapper.readValue(frame.readText(), SocketInput::class.java)
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input.makeCommands(device).forEach { commandBus.emit(it) }
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}
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} catch (e: Exception) {
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log.info("$clientId: Interrupted by exception: ${e.message}", e)
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} finally {
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log.info("$clientId: Terminating event listener...")
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job?.cancelAndJoin()
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log.info("$clientId: Disconnected")
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}
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} else {
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log.info("$clientId: Rejected due to missing workout")
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sendSerialized(SocketOutput(error = SocketOutput.Error("No active workout found")))
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}
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}
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}
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