ktor

Ktor.kt

import com.dequeue.app.common.log
import com.dequeue.app.common.logging.D
import io.ktor.client.*
import io.ktor.client.plugins.*
import io.ktor.client.plugins.contentnegotiation.*
import io.ktor.client.plugins.logging.*
import io.ktor.client.plugins.resources.*
import io.ktor.serialization.kotlinx.json.*

fun ktorHttpClient(baseUrl: String): HttpClient = ktorClient {
    defaultRequest {
        url(baseUrl)
    }
    install(ContentNegotiation) {
        json()
    }
    install(Resources)
}

fun ktorClient(
    maxRetries: Int = 5,
    requestTimeoutMillis: Long = 10_000L,
    block: HttpClientConfig<*>.() -> Unit = { }
): HttpClient = HttpClient {
    expectSuccess = true
    install(HttpTimeout) {
        this.requestTimeoutMillis = requestTimeoutMillis
    }
    install(HttpRequestRetry) {
        retryOnServerErrors(maxRetries = maxRetries)
        exponentialDelay()
    }
    install(Logging) {
        logger = object : Logger {
            override fun log(message: String) {
                log(D, message)
            }
        }
        level = LogLevel.ALL
    }
    block.invoke(this)
}

PrayersDataSourceImpl.kt

prayersKtorClient.get(PrayersRequest(
    latitude = coordinates.latitude,
    longitude = coordinates.longitude,
    year = date.year,
    month = date.monthNumber
)).body<PrayersResponse>().data

PrayersService.kt

import com.dequeue.app.common.ktor.ktorHttpClient
import io.ktor.resources.*
import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable

val prayersKtorClient = ktorHttpClient("http://api.aladhan.com/v1/")

@Resource("/calendar")
class PrayersRequest(
    val latitude: Double,
    val longitude: Double,
    val year: Int,
    val month: Int,
    val iso8601: Boolean = true
)

@Serializable
data class PrayersResponse(
    @SerialName("data") val data: List<PrayersDataItem>
)

@Serializable
data class PrayersDataItem(
    @SerialName("timings") val timings: PrayersTimings
)

@Serializable
data class PrayersTimings(
    @SerialName("Fajr") val fajr: String,
    @SerialName("Dhuhr") val dhuhr: String,
    @SerialName("Asr") val asr: String,
    @SerialName("Maghrib") val maghrib: String,
    @SerialName("Isha") val isha: String,
)