tgbotapi/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/bot/Ktor/base/AbstractRequestCallFactory.kt

79 lines
2.9 KiB
Kotlin

package dev.inmo.tgbotapi.bot.Ktor.base
import dev.inmo.micro_utils.coroutines.safely
import dev.inmo.tgbotapi.bot.Ktor.KtorCallFactory
import dev.inmo.tgbotapi.bot.exceptions.newRequestException
import dev.inmo.tgbotapi.requests.GetUpdates
import dev.inmo.tgbotapi.requests.abstracts.Request
import dev.inmo.tgbotapi.types.Response
import dev.inmo.tgbotapi.utils.TelegramAPIUrlsKeeper
import io.ktor.client.HttpClient
import io.ktor.client.call.receive
import io.ktor.client.features.timeout
import io.ktor.client.request.*
import io.ktor.client.statement.HttpResponse
import io.ktor.http.ContentType
import kotlinx.serialization.json.Json
import kotlin.collections.set
var defaultUpdateTimeoutForZeroDelay = 1000L
abstract class AbstractRequestCallFactory : KtorCallFactory {
private val methodsCache: MutableMap<String, String> = mutableMapOf()
override suspend fun <T : Any> makeCall(
client: HttpClient,
urlsKeeper: TelegramAPIUrlsKeeper,
request: Request<T>,
jsonFormatter: Json
): T? {
val preparedBody = prepareCallBody(client, urlsKeeper, request) ?: return null
client.post<HttpResponse> {
url(
methodsCache[request.method()] ?: "${urlsKeeper.commonAPIUrl}/${request.method()}".also {
methodsCache[request.method()] = it
}
)
accept(ContentType.Application.Json)
if (request is GetUpdates) {
request.timeout?.times(1000L)?.let { customTimeoutMillis ->
if (customTimeoutMillis > 0) {
timeout {
requestTimeoutMillis = customTimeoutMillis
socketTimeoutMillis = customTimeoutMillis
}
} else {
timeout {
requestTimeoutMillis = defaultUpdateTimeoutForZeroDelay
socketTimeoutMillis = defaultUpdateTimeoutForZeroDelay
}
}
}
}
body = preparedBody
}.let { response ->
val content = response.receive<String>()
val responseObject = jsonFormatter.decodeFromString(Response.serializer(), content)
return safely {
(responseObject.result?.let {
jsonFormatter.decodeFromJsonElement(request.resultDeserializer, it)
} ?: response.let {
throw newRequestException(
responseObject,
content,
"Can't get result object from $content"
)
})
}
}
}
protected abstract fun <T : Any> prepareCallBody(
client: HttpClient,
urlsKeeper: TelegramAPIUrlsKeeper,
request: Request<T>
): Any?
}