MicroUtils/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/UniloadMultipart.kt

71 lines
2.3 KiB
Kotlin

package dev.inmo.micro_utils.ktor.server
import dev.inmo.micro_utils.common.*
import dev.inmo.micro_utils.coroutines.safely
import dev.inmo.micro_utils.ktor.common.downloadToTempFile
import io.ktor.http.content.*
import io.ktor.server.application.ApplicationCall
import io.ktor.server.request.receiveMultipart
import io.ktor.utils.io.core.*
import kotlinx.coroutines.currentCoroutineContext
import kotlinx.coroutines.isActive
/**
* Server-side part which receives [dev.inmo.micro_utils.ktor.client.uniUpload] request
*/
suspend inline fun ApplicationCall.handleUniUpload(
onFormItem: (PartData.FormItem) -> Unit = {},
onBinaryContent: (PartData.BinaryItem) -> Unit = {},
onBinaryChannelItem: (PartData.BinaryChannelItem) -> Unit = {},
onFileItem: (PartData.FileItem) -> Unit = {}
) {
val multipartData = receiveMultipart()
while (currentCoroutineContext().isActive) {
val partData = multipartData.readPart() ?: break
when (partData) {
is PartData.FormItem -> onFormItem(partData)
is PartData.FileItem -> onFileItem(partData)
is PartData.BinaryItem -> onBinaryContent(partData)
is PartData.BinaryChannelItem -> onBinaryChannelItem(partData)
}
partData.dispose()
}
}
suspend fun ApplicationCall.uniloadMultipart(
onFormItem: (PartData.FormItem) -> Unit = {},
onCustomFileItem: (PartData.FileItem) -> Unit = {},
onBinaryChannelItem: (PartData.BinaryChannelItem) -> Unit = {},
onBinaryContent: (PartData.BinaryItem) -> Unit = {}
): Input = safely {
var resultInput: Input? = null
handleUniUpload(
onFormItem,
onBinaryContent,
onBinaryChannelItem
) {
when (it.name) {
"bytes" -> resultInput = it.provider()
else -> onCustomFileItem(it)
}
}
resultInput ?: error("Bytes has not been received")
}
suspend fun ApplicationCall.uniloadMultipartFile(
onFormItem: (PartData.FormItem) -> Unit = {},
onCustomFileItem: (PartData.FileItem) -> Unit = {},
onBinaryChannelItem: (PartData.BinaryChannelItem) -> Unit = {},
onBinaryContent: (PartData.BinaryItem) -> Unit = {},
): MPPFile = safely {
uniloadMultipart(
onFormItem,
onCustomFileItem,
onBinaryChannelItem,
onBinaryContent
).downloadToTempFile()
}