commonMain.com.huawei.hilink.c2c.integration.helper.requestHandlers.SubscribeDeviceHiLinkService.kt Maven / Gradle / Ivy

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The helper library streamlines the HiLink C2C integration and exposes a simple API.

There is a newer version: 1.3.2

package com.huawei.hilink.c2c.integration.helper.requestHandlers

import com.huawei.hilink.c2c.integration.helper.ProtocolConversionWrapper
import com.huawei.hilink.c2c.integration.helper.api.UserInfo
import com.huawei.hilink.c2c.integration.helper.dto.HiLinkResultCodes
import com.huawei.hilink.c2c.integration.helper.dto.common.HiLinkDeviceSnapshot
import com.huawei.hilink.c2c.integration.helper.dto.common.HiLinkHeader
import com.huawei.hilink.c2c.integration.helper.dto.headers.HiLinkHeadersBuilder
import com.huawei.hilink.c2c.integration.helper.dto.inbound.request.SubscribeDeviceRequest
import com.huawei.hilink.c2c.integration.helper.dto.inbound.response.HiLinkResponse
import com.huawei.hilink.c2c.integration.helper.dto.inbound.response.SubscribeDeviceResponse
import kotlinx.serialization.decodeFromString
import kotlinx.serialization.json.Json

internal class SubscribeDeviceHiLinkService(
    private val objectMapper: Json,
    private val hiLinkHeadersBuilder: HiLinkHeadersBuilder,
    private val protocolConversionWrapper: ProtocolConversionWrapper
) : HiLinkService("SubscribeDevice") {

    override suspend fun handle(requestHeader: HiLinkHeader, requestJson: String, userInfo: UserInfo): HiLinkResponse {
        val requestData: SubscribeDeviceRequest = objectMapper.decodeFromString(requestJson)

        val deviceId = requestData.payload.thirdPartyDevIds.first()

        val deviceRequested = listOf(protocolConversionWrapper.getSnapshotFor(userInfo, deviceId))

        return prepareResponse(requestHeader, HiLinkResultCodes.SUCCESS, deviceRequested)
    }

    override fun prepareErrorResponse(
        requestHeader: HiLinkHeader,
        resultCode: HiLinkResultCodes,
        description: String
    ): HiLinkResponse {
        return prepareResponse(requestHeader, resultCode, listOf(), description)
    }

    private fun prepareResponse(
        requestHeader: HiLinkHeader,
        resultCode: HiLinkResultCodes,
        devicesDTOs: List = listOf(),
        description: String? = null
    ) =
        SubscribeDeviceResponse(
            header = hiLinkHeadersBuilder.generateResponseHeader(requestHeader),
            payload = SubscribeDeviceResponse.Payload(
                code = resultCode.code,
                description = description ?: resultCode.description,
                devices = devicesDTOs
            )
        )
}