tgbotapi/src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/MultipartRequestCallFactory.kt

51 lines
2.1 KiB
Kotlin

package com.github.insanusmokrassar.TelegramBotAPI.bot.Ktor.base
import com.github.insanusmokrassar.TelegramBotAPI.bot.Ktor.KtorCallFactory
import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.*
import com.github.insanusmokrassar.TelegramBotAPI.utils.mapWithCommonValues
import io.ktor.client.HttpClient
import io.ktor.client.call.HttpClientCall
import io.ktor.client.call.call
import io.ktor.client.request.accept
import io.ktor.client.request.forms.MultiPartFormDataContent
import io.ktor.client.request.forms.formData
import io.ktor.client.request.url
import io.ktor.http.*
import kotlinx.io.streams.asInput
import kotlinx.serialization.ImplicitReflectionSerializer
class MultipartRequestCallFactory : KtorCallFactory {
@ImplicitReflectionSerializer
override suspend fun <T: Any> prepareCall(
client: HttpClient,
baseUrl: String,
request: Request<T>
): HttpClientCall? = (request as? MultipartRequest) ?.let {
castedRequest ->
client.call {
url("$baseUrl/${castedRequest.method()}")
method = HttpMethod.Post
accept(ContentType.Application.Json)
body = MultiPartFormDataContent(
formData {
val params = castedRequest.paramsJson.mapWithCommonValues()
for ((key, value) in castedRequest.mediaMap + params) {
when (value) {
is MultipartFile -> append(
key,
value.file.inputStream().asInput(),
Headers.build {
append(HttpHeaders.ContentType, value.mimeType)
append(HttpHeaders.ContentDisposition, "filename=${value.fileId}")
}
)
is FileId -> append(key, value.fileId)
else -> append(key, value.toString())
}
}
}
)
build()
}
}
}