TextFile.kt

package ru.int24.ownbarbershop

import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import retrofit2.HttpException
import ru.int24.ownbarbershop.models.domen.DomServices
import ru.int24.ownbarbershop.models.netresult.NetResult
import ru.int24.ownbarbershop.network.UseRetrofit
import ru.int24.ownbarbershop.network.getHeaders
import ru.int24.ownbarbershop.network.safeApiCall
import ru.int24.ownbarbershop.repositories.NetworkRepository
import java.io.IOException


sealed class NetResult<out T> {

    data class Success<out T>(val value: T): NetResult<T>()
    data class GenericError(val code: Int? = null, val error: String? = null): NetResult<T>()
    object NetworkError: NetResult<Nothing>()

}


interface NetworkRepository {

    suspend fun getServices(data: Map<String, Any?>): NetResult<List<DomServices>>

}

suspend fun <T> safeApiCall(apiCall: suspend() -> T): NetResult<T>{

    return withContext(Dispatchers.IO){
        try {
            NetResult.Success(apiCall.invoke())
        } catch (throwable: Throwable) {
            when (throwable) {
                is IOException -> NetResult.NetworkError
                is HttpException -> {
                    val code = throwable.code()
                    val errorString = "Network error"
                    NetResult.GenericError(code, errorString)
                }
                else -> NetResult.GenericError(null, "Network error")
            }
        }
    }

}


class NetworkRepositoryImpl(): NetworkRepository {

    override suspend fun getServices(data: Map<String, Any?>): NetResult<List<DomServices>> {

        val headers = getHeaders(false)

        val staff_id = data["staff_id"] as Int?
        val companyid = data["companyid"] as Int
        val datetime   = data["datetime"] as String?
        val service_ids = data["service_ids"] as String?
        val serviceResponse  = safeApiCall { UseRetrofit.makeRetrofitAPI().getServices(headers = headers,
                staff_id = staff_id, companyid = companyid,
                datetime = datetime, service_ids = service_ids)}

        return serviceResponse.value.body()?.toDomModel()

    }
}