D-Net

package eu.dnetlib.repo.manager.service.controllers;

import com.fasterxml.jackson.databind.ObjectMapper;

import eu.dnetlib.domain.data.PiwikInfo;

import eu.dnetlib.domain.data.Repository;

import eu.dnetlib.repo.manager.shared.RepositoryServiceException;

import org.apache.commons.codec.digest.DigestUtils;

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

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

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

import org.springframework.dao.EmptyResultDataAccessException;

import org.springframework.jdbc.core.JdbcTemplate;

import org.springframework.jdbc.core.RowMapper;

import org.springframework.security.access.prepost.PreAuthorize;

import org.springframework.stereotype.Component;

import org.springframework.web.bind.annotation.PathVariable;

import org.springframework.web.bind.annotation.RequestBody;

import org.springframework.web.bind.annotation.RequestParam;

import javax.sql.DataSource;

import java.io.IOException;

import java.io.UnsupportedEncodingException;

import java.net.URL;

import java.net.URLEncoder;

import java.sql.Types;

import java.util.List;

import java.util.Map;

@Component

public class PiWikApiImpl implements PiWikApi{

    @Autowired

    @Qualifier("repomanager.dataSource")

    private DataSource dataSource;

    @Value("${services.repomanager.analyticsURL}")

    private String analyticsURL;

    @Autowired

    @Qualifier("emailUtils")

    EmailUtils emailUtils;

    private static final org.apache.log4j.Logger LOGGER = org.apache.log4j.Logger

            .getLogger(PiWikApiImpl.class);

    private final static String GET_PIWIK_SITE = "select repositoryid, siteid, authenticationtoken, creationdate, requestorname, requestoremail, validated, validationdate, comment, repositoryname, country from piwik_site where repositoryid = ?;";

    private final static String INSERT_PIWIK_INFO = "insert into piwik_site (repositoryid, siteid, creationdate, requestorname, requestoremail, validated, repositoryname, country, authenticationtoken) values (?, ?, now(), ?, ?, ?, ?, ?, ?)";

    private final static String GET_PIWIK_SITES = "select repositoryid, siteid, authenticationtoken, creationdate, requestorname, requestoremail, validated, validationdate, comment, repositoryname, country from piwik_site order by repositoryname";

    private final static String APPROVE_PIWIK_SITE = "update piwik_site set validated=true, validationdate=now() where repositoryid = ?;";

    private RowMapper<PiwikInfo> piwikRowMapper = (rs, i) -> new PiwikInfo(rs.getString("repositoryid"), getOpenaireId(rs.getString("repositoryid")), rs.getString("repositoryname"), rs.getString("country"),

            rs.getString("siteid"), rs.getString("authenticationtoken"), rs.getTimestamp("creationdate"), rs.getString("requestorname"), rs.getString("requestoremail"),

            rs.getBoolean("validated"), rs.getTimestamp("validationdate"), rs.getString("comment"));

    @Override

    public PiwikInfo getPiwikSiteForRepo(@PathVariable("repositoryId") String repositoryId) {

        try{

            return new JdbcTemplate(dataSource).queryForObject(GET_PIWIK_SITE, new String[]{repositoryId}, new int[]{Types.VARCHAR}, piwikRowMapper);

        }catch (EmptyResultDataAccessException e){

            return null;

        }

    }

    @Override

    @PreAuthorize("hasRole('ROLE_ADMIN')")

    public PiwikInfo savePiwikInfo(@RequestBody PiwikInfo piwikInfo) {

        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);

        jdbcTemplate.update(INSERT_PIWIK_INFO, new Object[]{piwikInfo.getRepositoryId(), piwikInfo.getSiteId(), piwikInfo.getRequestorName(),

                        piwikInfo.getRequestorEmail(), piwikInfo.isValidated(), piwikInfo.getRepositoryName(), piwikInfo.getCountry(), piwikInfo.getAuthenticationToken()},

                new int[]{Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.BOOLEAN, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR});

        return piwikInfo;

    }

    @Override

    public List<PiwikInfo> getPiwikSitesForRepos() {

        LOGGER.debug("Getting piwik sites for repos! ");

        try{

            return new JdbcTemplate(dataSource).query(GET_PIWIK_SITES, piwikRowMapper);

        }catch (EmptyResultDataAccessException e){

            return null;

        }

    }

    @Override

    @PreAuthorize("hasRole('ROLE_ADMIN')")

    public void approvePiwikSite(@PathVariable("repositoryId") String repositoryId) {

        new JdbcTemplate(dataSource).update(APPROVE_PIWIK_SITE, new Object[] {repositoryId}, new int[] {Types.VARCHAR});

    }

    @Override

    public String getOpenaireId(@PathVariable("repositoryId") String repositoryId) {

        if (repositoryId != null && repositoryId.contains("::"))

            return repositoryId.split("::")[0] + "::" + DigestUtils.md5Hex(repositoryId.split("::")[1]);

        return null;

    }

    @Override

    @PreAuthorize("hasRole('ROLE_ADMIN')")

    public void markPiwikSiteAsValidated(@PathVariable("repositoryId") String repositoryId) throws RepositoryServiceException {

        try {

            approvePiwikSite(repositoryId);

            PiwikInfo piwikInfo = getPiwikSiteForRepo(repositoryId);

            emailUtils.sendAdministratorMetricsEnabled(piwikInfo);

            emailUtils.sendUserMetricsEnabled(piwikInfo);

        } catch (EmptyResultDataAccessException e) {

            LOGGER.error("Error while approving piwik site: ", e);

            emailUtils.reportException(e);

            throw new RepositoryServiceException("General error", RepositoryServiceException.ErrorCode.GENERAL_ERROR);

        } catch (Exception e) {

            LOGGER.error("Error while sending email to administrator or user about the enabling of metrics", e);

            emailUtils.reportException(e);

        }

    }

    @Override

    @PreAuthorize("hasRole('ROLE_USER')")

    public void enableMetricsForRepository(@RequestParam("officialName") String officialName,

                                           @RequestParam("repoWebsite") String repoWebsite,

                                           @RequestBody PiwikInfo piwikInfo) throws RepositoryServiceException {

        try {

            String URL = analyticsURL + "siteName=" + URLEncoder.encode(officialName, "UTF-8") + "&url="

                    + URLEncoder.encode(repoWebsite, "UTF-8");

            Map map = new ObjectMapper().readValue(new URL(URL), Map.class);

            String siteId = null;

            if(map.get("value")!=null) {

                siteId = map.get("value").toString();

            }

            piwikInfo.setSiteId(siteId);

            savePiwikInfo(piwikInfo);

            emailUtils.sendAdministratorRequestToEnableMetrics(piwikInfo);

            emailUtils.sendUserRequestToEnableMetrics(piwikInfo);

        } catch (UnsupportedEncodingException uee) {

            LOGGER.error("Error while creating piwikScript URL", uee);

            emailUtils.reportException(uee);

            throw new RepositoryServiceException("login.generalError", RepositoryServiceException.ErrorCode.GENERAL_ERROR);

        } catch (IOException ioe) {

            LOGGER.error("Error while creating piwik site", ioe);

            emailUtils.reportException(ioe);

            throw new RepositoryServiceException("login.generalError", RepositoryServiceException.ErrorCode.GENERAL_ERROR);

        } catch (Exception e) {

            LOGGER.error("Error while sending email to administrator or user about the request to enable metrics", e);

            emailUtils.reportException(e);

        }

    }

}