Kotlin Coroutines Extensions for E3Kit

EthreeExtensions.kt

import com.virgilsecurity.common.callback.OnCompleteListener
import com.virgilsecurity.common.callback.OnResultListener
import com.virgilsecurity.common.model.Completable
import com.virgilsecurity.common.model.Result
import kotlinx.coroutines.CompletableDeferred
import kotlinx.coroutines.CoroutineScope

suspend fun Completable.await(scope: CoroutineScope) {
    val deferred = CompletableDeferred<Unit>()
    addCallback(object : OnCompleteListener {
        override fun onError(throwable: Throwable) {
            deferred.completeExceptionally(throwable)
        }

        override fun onSuccess() {
            deferred.complete(Unit)
        }
    }, scope)

    return deferred.await()

}

suspend fun <T> Result<T>.await(scope: CoroutineScope): T {
    val deferred = CompletableDeferred<T>()
    addCallback(object : OnResultListener<T> {
        override fun onError(throwable: Throwable) {
            deferred.completeExceptionally(throwable)
        }

        override fun onSuccess(result: T) {
            deferred.complete(result)
        }
    }, scope)

    return deferred.await()

}

UsageSample.kt

//Using Completable extension
eThree.register().await(coroutineScope)

//Using Result extension
val fromCard = ethree.findUser(fromId).await(this)