122 lines
5.6 KiB
Java
122 lines
5.6 KiB
Java
package eu.dnetlib.repo.manager.service;
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import eu.dnetlib.usagestats.sushilite.domain.Customer;
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import eu.dnetlib.usagestats.sushilite.domain.ReportItem;
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import eu.dnetlib.usagestats.sushilite.domain.ReportResponseWrapper;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.core.ParameterizedTypeReference;
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import org.springframework.http.HttpMethod;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
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import org.springframework.security.access.prepost.PreAuthorize;
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import org.springframework.stereotype.Service;
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import org.springframework.web.client.RestClientException;
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import org.springframework.web.client.RestTemplate;
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import org.springframework.web.util.UriComponentsBuilder;
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import java.util.ArrayList;
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import java.util.List;
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@Service("sushiliteService")
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public class SushiliteServiceImpl implements SushiliteService {
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@Value("${services.provide.usagestats.sushiliteEndpoint}")
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private String usagestatsSushiliteEndpoint;
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private static final Logger logger = LoggerFactory.getLogger(SushiliteServiceImpl.class);
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@Override
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@PreAuthorize("hasAuthority('REGISTERED_USER')")
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public ReportResponseWrapper getReportResults(String page,
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String pageSize,
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String Report,
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String Release,
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String RequestorID,
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String BeginDate,
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String EndDate,
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String RepositoryIdentifier,
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String ItemIdentifier,
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String ItemDataType,
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String Granularity,
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String Pretty) {
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//build the uri params
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UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(this.usagestatsSushiliteEndpoint + "GetReport/")
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.queryParam("Report", Report)
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.queryParam("Release", Release)
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.queryParam("RequestorID", RequestorID)
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.queryParam("BeginDate", BeginDate)
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.queryParam("EndDate", EndDate)
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.queryParam("RepositoryIdentifier", RepositoryIdentifier)
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.queryParam("ItemIdentifier", ItemIdentifier)
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.queryParam("ItemDataType", ItemDataType)
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.queryParam("Granularity", Granularity)
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.queryParam("Pretty", Pretty);
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//create new restTemplate engine
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RestTemplate restTemplate = new RestTemplate();
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restTemplate.getMessageConverters().add(new MappingJackson2HttpMessageConverter());
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ResponseEntity<ReportResponseWrapper> resp;
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try {
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//communicate with endpoint
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resp = restTemplate.exchange(
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builder.build().encode().toUri(),
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HttpMethod.GET,
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null,
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new ParameterizedTypeReference<ReportResponseWrapper>() {});
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} catch (RestClientException rce) {
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logger.error("", rce);
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return null;
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}
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// check remote api's response
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HttpStatus httpStatus = resp.getStatusCode();
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if ( httpStatus != HttpStatus.OK ) {
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logger.warn("Sushi cannot give us data! Responded status: " + httpStatus);
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return null;
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}
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ReportResponseWrapper reportResponseWrapper = resp.getBody();
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if ( reportResponseWrapper == null ) {
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logger.error("The \"reportResponseWrapper\" for sushi was null!");
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return null;
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}
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// get the items corresponding to the requested page
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List<ReportItem> requestedItemList = new ArrayList<>();
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Customer customer = reportResponseWrapper.getReportResponse().getReportWrapper().getReport().getCustomer();
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List<ReportItem> allReportItems = customer.getReportItems();
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if ( allReportItems != null ) {
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try {
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int totalItems = allReportItems.size();
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int size = Integer.parseInt(pageSize);
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int offset = (Integer.parseInt(page) * size);
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if ( offset < totalItems ) {
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int upperIndex = (offset + size);
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if ( upperIndex > totalItems ) {
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upperIndex = totalItems;
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}
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requestedItemList = allReportItems.subList(offset, upperIndex);
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}
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} catch (NumberFormatException e) {
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logger.error("Exception on getReportResults - trying to cast strings to integers", e);
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throw e;
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}
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}
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customer.setReportItems(requestedItemList); // Setting the reportItems to the "customer"-reference, updates the "reportResponseWrapper" object.
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return reportResponseWrapper;
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}
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}
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