D-Net

package eu.dnetlib.msro.openaireplus.workflows.nodes.dhp;

import java.net.URI;

import java.util.HashMap;

import java.util.Map;

import com.google.gson.Gson;

import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;

import eu.dnetlib.enabling.locators.UniqueServiceLocator;

import eu.dnetlib.msro.rmi.MSROException;

import org.apache.commons.lang3.StringUtils;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.springframework.beans.factory.annotation.Required;

import org.springframework.web.client.RestTemplate;

import org.springframework.web.util.UriComponentsBuilder;

import com.googlecode.sarasvati.Arc;

import com.googlecode.sarasvati.NodeToken;

import eu.dnetlib.data.mdstore.manager.common.model.MDStoreWithInfo;

import eu.dnetlib.msro.workflows.nodes.SimpleJobNode;

import eu.dnetlib.msro.workflows.util.WorkflowsConstants;

import javax.annotation.Resource;

public class CreateMDStoreHadoopJobNode extends SimpleJobNode {

    private static final Log log = LogFactory.getLog(CreateMDStoreHadoopJobNode.class);

    /* Workflow params */

    private String format;

    private String layout;

    private String interpretation;

    private String outputPrefix = "mdstore";

    /* Spring managed params */

    private String mdStoreManagerUrl;

    @Resource

    private UniqueServiceLocator serviceLocator;

    @Override

    protected String execute(final NodeToken token) throws Exception {

        final String url = getMdStoreManagerUrl() + "/new/{format}/{layout}/{interpretation}";

        final Map<String, Object> params = new HashMap<>();

        params.put("format", getFormat());

        params.put("layout", getLayout());

        params.put("interpretation", getInterpretation());

        final String repositoryId = token.getFullEnv().getAttribute(WorkflowsConstants.DATAPROVIDER_ID);

        final String xquery = String.format(

                "for $x in collection('/db/DRIVER/RepositoryServiceResources/RepositoryServiceResourceType') \n" +

                "where .//RESOURCE_IDENTIFIER[./@value='%s']\n" +

                "return $x//EXTRA_FIELDS/FIELD[./key/text() = 'OpenAireDataSourceId']/value/text()",

                repositoryId);

        log.info("resolving openaAireDatasourceId: " + xquery);

        final String openAireDataSourceId = serviceLocator.getService(ISLookUpService.class).getResourceProfileByQuery(xquery);

        if (StringUtils.isBlank(openAireDataSourceId)) {

            throw new MSROException("unable to find openAireDataSourceId in repository profile " + repositoryId);

        }

        log.info(String.format("got OpenAIRE datasource id '%s' for repository profile '%s'", openAireDataSourceId, repositoryId));

        final URI uri = UriComponentsBuilder.fromUriString(url)

                .queryParam("dsName", token.getFullEnv().getAttribute(WorkflowsConstants.DATAPROVIDER_NAME))

                .queryParam("dsId", openAireDataSourceId)

                .queryParam("apiId", token.getFullEnv().getAttribute(WorkflowsConstants.DATAPROVIDER_INTERFACE))

                .buildAndExpand(params)

                .toUri();

        final String requestUri = uri.toASCIIString();

        log.info("create mdstore request: " + requestUri);

        final RestTemplate restTemplate = new RestTemplate();

        final MDStoreWithInfo result = restTemplate.getForObject(requestUri, MDStoreWithInfo.class);

        log.info("created mdstore: " + new Gson().toJson(result));

        token.getEnv().setAttribute(getOutputPrefix() + "format", format);

        token.getEnv().setAttribute(getOutputPrefix() + "layout", layout);

        token.getEnv().setAttribute(getOutputPrefix() + "interpretation", interpretation);

        token.getEnv().setAttribute(getOutputPrefix() + "id", result.getId());

        return Arc.DEFAULT_ARC;

    }

    public String getFormat() {

        return format;

    }

    public void setFormat(final String format) {

        this.format = format;

    }

    public String getLayout() {

        return layout;

    }

    public void setLayout(final String layout) {

        this.layout = layout;

    }

    public String getInterpretation() {

        return interpretation;

    }

    public void setInterpretation(final String interpretation) {

        this.interpretation = interpretation;

    }

    public String getOutputPrefix() {

        return outputPrefix;

    }

    public void setOutputPrefix(final String outputPrefix) {

        this.outputPrefix = outputPrefix;

    }

    public String getMdStoreManagerUrl() {

        return mdStoreManagerUrl;

    }

    @Required

    public void setMdStoreManagerUrl(final String mdStoreManagerUrl) {

        this.mdStoreManagerUrl = mdStoreManagerUrl;

    }

}