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feat: separate context source utils + work with sysAttrs
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75
search-service/src/main/kotlin/com/egm/stellio/search/csr/service/ContextSourceCaller.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| package com.egm.stellio.search.csr.service | ||
|
|
||
| import arrow.core.* | ||
| import arrow.core.raise.either | ||
| import com.egm.stellio.search.csr.model.ContextSourceRegistration | ||
| import com.egm.stellio.shared.model.CompactedEntity | ||
| import com.egm.stellio.shared.util.* | ||
| import org.springframework.core.codec.DecodingException | ||
| import org.springframework.http.HttpHeaders | ||
| import org.springframework.http.HttpMethod | ||
| import org.springframework.http.HttpStatus | ||
| import org.springframework.util.MultiValueMap | ||
| import org.springframework.web.reactive.function.client.WebClient | ||
| import org.springframework.web.reactive.function.client.awaitBodyOrNull | ||
| import org.springframework.web.reactive.function.client.awaitExchange | ||
| import java.net.URI | ||
|
|
||
| object ContextSourceCaller { | ||
|
|
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| suspend fun getDistributedInformation( | ||
| httpHeaders: HttpHeaders, | ||
| csr: ContextSourceRegistration, | ||
| path: String, | ||
| params: MultiValueMap<String, String> | ||
| ): Either<NGSILDWarning, CompactedEntity?> = either { | ||
| val uri = URI("${csr.endpoint}$path") | ||
|
|
||
| val request = WebClient.create() | ||
| .method(HttpMethod.GET) | ||
| .uri { uriBuilder -> | ||
| uriBuilder.scheme(uri.scheme) | ||
| .host(uri.host) | ||
| .port(uri.port) | ||
| .path(uri.path) | ||
| .queryParams(params) | ||
| .build() | ||
| } | ||
| .header(HttpHeaders.LINK, httpHeaders.getFirst(HttpHeaders.LINK)) | ||
| return try { | ||
| val (statusCode, response) = request | ||
| .awaitExchange { response -> | ||
| response.statusCode() to response.awaitBodyOrNull<CompactedEntity>() | ||
| } | ||
| when { | ||
| statusCode.is2xxSuccessful -> { | ||
| JsonLdUtils.logger.info("Successfully received response from CSR at $uri") | ||
| response.right() | ||
| } | ||
|
|
||
| statusCode.isSameCodeAs(HttpStatus.NOT_FOUND) -> { | ||
| JsonLdUtils.logger.info("CSR returned 404 at $uri: $response") | ||
| null.right() | ||
| } | ||
|
|
||
| else -> { | ||
| JsonLdUtils.logger.warn("Error contacting CSR at $uri: $response") | ||
|
|
||
| MiscellaneousPersistentWarning( | ||
| "the CSR ${csr.id} returned an error $statusCode at : $uri response: \"$response\"" | ||
| ).left() | ||
| } | ||
| } | ||
| } catch (e: Exception) { | ||
| when (e) { | ||
| is DecodingException -> RevalidationFailedWarning( | ||
| "the CSR ${csr.id} as : $uri returned badly formed data message: \"${e.cause}:${e.message}\"" | ||
| ) | ||
|
|
||
| else -> MiscellaneousWarning( | ||
| "Error connecting to csr ${csr.id} at : $uri message : \"${e.cause}:${e.message}\"" | ||
| ) | ||
| }.left() | ||
| } | ||
| } | ||
| } |
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