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/*
* This file is part of ETL-Processor
*
* Copyright (c) 2023 Comprehensive Cancer Center Mainfranken
* Copyright (c) 2023-2026 Paul-Christian Volkmer, Datenintegrationszentrum Philipps-Universität Marburg and Contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package dev.dnpm.etl.processor.output
import dev.dnpm.etl.processor.CustomMediaType
import dev.dnpm.etl.processor.PatientPseudonym
import dev.dnpm.etl.processor.config.RestTargetProperties
import dev.dnpm.etl.processor.monitoring.ReportService
import dev.dnpm.etl.processor.monitoring.RequestStatus
import dev.dnpm.etl.processor.monitoring.asRequestStatus
import org.slf4j.LoggerFactory
import org.springframework.http.HttpEntity
import org.springframework.http.HttpHeaders
import org.springframework.http.HttpMethod
import org.springframework.http.MediaType
import org.springframework.retry.support.RetryTemplate
import org.springframework.web.client.RestClientException
import org.springframework.web.client.RestClientResponseException
import org.springframework.web.client.RestTemplate
import org.springframework.web.client.exchange
abstract class RestMtbFileSender(
private val restTemplate: RestTemplate,
private val restTargetProperties: RestTargetProperties,
private val retryTemplate: RetryTemplate,
private val reportService: ReportService,
) : MtbFileSender {
private val logger = LoggerFactory.getLogger(RestMtbFileSender::class.java)
abstract fun sendUrl(): String
abstract fun deleteUrl(patientId: PatientPseudonym): String
override fun <T> send(request: MtbFileRequest<T>): MtbFileSender.Response {
try {
return retryTemplate.execute<MtbFileSender.Response, Exception> {
val headers = getHttpHeaders(request)
val entityReq = HttpEntity(request.content, headers)
val response =
restTemplate.exchange<String>(sendUrl(), HttpMethod.POST, entityReq)
if (!response.statusCode.is2xxSuccessful) {
logger.warn("Error sending to remote system: {}", response.body)
return@execute MtbFileSender.Response(
reportService.deserialize(response.body).asRequestStatus(),
"Status-Code: ${response.statusCode.value()}",
)
}
logger.debug("Sent file via RestMtbFileSender")
return@execute MtbFileSender.Response(
reportService.deserialize(response.body).asRequestStatus(),
response.body.orEmpty(),
)
}
} catch (e: IllegalArgumentException) {
logger.error("Not a valid URI to export to: '{}'", restTargetProperties.uri!!)
} catch (e: RestClientResponseException) {
logger.info(restTargetProperties.uri!!.toString())
logger.error("Request data not accepted by remote system", e)
return MtbFileSender.Response(
reportService.deserialize(e.responseBodyAsString).asRequestStatus(),
e.responseBodyAsString,
)
}
return MtbFileSender.Response(RequestStatus.ERROR, "Sonstiger Fehler bei der Übertragung")
}
override fun send(request: DeleteRequest): MtbFileSender.Response {
try {
return retryTemplate.execute<MtbFileSender.Response, Exception> {
val headers = getHttpHeaders(request)
val entityReq = HttpEntity(null, headers)
restTemplate.delete(deleteUrl(request.patientId), entityReq, String::class.java)
logger.debug("Sent file via RestMtbFileSender")
return@execute MtbFileSender.Response(RequestStatus.SUCCESS)
}
} catch (e: IllegalArgumentException) {
logger.error("Not a valid URI to export to: '{}'", restTargetProperties.uri!!)
} catch (e: RestClientException) {
logger.info(restTargetProperties.uri!!.toString())
logger.error("Cannot send data to remote system", e)
}
return MtbFileSender.Response(RequestStatus.ERROR, "Sonstiger Fehler bei der Übertragung")
}
override fun endpoint(): String = this.restTargetProperties.uri.orEmpty()
private fun getHttpHeaders(request: MtbRequest): HttpHeaders {
val username = restTargetProperties.username
val password = restTargetProperties.password
val headers = HttpHeaders()
headers.contentType =
when (request) {
is DnpmV2MtbFileRequest -> CustomMediaType.APPLICATION_VND_DNPM_V2_MTB_JSON
else -> MediaType.APPLICATION_JSON
}
if (username.isNullOrBlank() || password.isNullOrBlank()) {
return headers
}
headers.setBasicAuth(username, password)
return headers
}
}
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