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package eu.dnetlib.data.search.web.api;
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import eu.dnetlib.data.search.utils.vocabulary.VocabularyManager;
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import eu.dnetlib.domain.enabling.Vocabulary;
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import org.apache.log4j.Logger;
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import javax.servlet.http.HttpServletRequest;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Locale;
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/**
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* Created by kiatrop on 10/7/2014.
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*/
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public class QueryEnhancer {
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private static final Logger logger = Logger.getLogger(QueryEnhancer.class);
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/**
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* Enhance the given CQL query with FP7 specific index fields
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* @param queryBuilder
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* @param request
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*/
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public static void enhanceQueryWithFundingLevelParams(StringBuilder queryBuilder, HttpServletRequest request, VocabularyManager vocabularyManager) {
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String funder = request.getParameter("funder");
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String fundingStream = request.getParameter("fundingStream");
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String FP7scientificArea = request.getParameter("FP7scientificArea");
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if (funder != null) {
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addExactQueryTerm("relfundinglevel0_id", funder.toUpperCase(), queryBuilder);
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}
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if (fundingStream != null && !fundingStream.trim().isEmpty()) {
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Vocabulary relfundinglevel1Vocabulary = vocabularyManager.getVocabulary("programmes_simple", Locale.ROOT);
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queryBuilder.append(" and (relfundinglevel1_id exact \"").append(devocabularizedTerm(fundingStream, relfundinglevel1Vocabulary)).append("\")");
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}
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if (FP7scientificArea != null && !FP7scientificArea.trim().isEmpty()) {
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Vocabulary relfundinglevel2Vocabulary = vocabularyManager.getVocabulary("areas", Locale.ROOT);
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queryBuilder.append(" and (relfundinglevel2_id exact \"").append(devocabularizedTerm(FP7scientificArea, relfundinglevel2Vocabulary)).append("\")");
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}
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}
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public static void enhanceProjectQueryWithFundingLevelParams(StringBuilder queryBuilder, HttpServletRequest request) {
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String funder = request.getParameter("funder");
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String fundingStream = request.getParameter("fundingStream");
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String FP7scientificArea = request.getParameter("FP7scientificArea");
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if (funder != null) {
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addExactQueryTerm("fundinglevel0_name", funder.toUpperCase(), queryBuilder);
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}
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if (fundingStream != null && !fundingStream.trim().isEmpty()) {
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addExactQueryTerm("fundinglevel1_name", fundingStream.toUpperCase(), queryBuilder);
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}
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if (FP7scientificArea != null && !FP7scientificArea.trim().isEmpty()) {
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addExactQueryTerm("fundinglevel2_name", FP7scientificArea.toUpperCase(), queryBuilder);
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}
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}
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public static void enhanceQueryWithFundingParams(StringBuilder queryBuilder, HttpServletRequest request) {
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String hasECFunding = request.getParameter("hasECFunding");
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String hasUKFunding = request.getParameter("hasUKFunding");
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addBooleanQueryTerm("contextid", hasECFunding, "ec", queryBuilder);
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addBooleanQueryTerm("contextid", hasUKFunding, "uk", queryBuilder);
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}
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public static void enhanceQueryWithProjectFundingParams(StringBuilder queryBuilder, HttpServletRequest request) {
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String hasECFunding = request.getParameter("hasECFunding");
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String hasUKFunding = request.getParameter("hasUKFunding");
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addBooleanQueryTerm("fundinglevel0_id", hasECFunding, "corda_______::FP7", queryBuilder);
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addBooleanQueryTerm("fundinglevel0_id", hasUKFunding, "wt::WT", queryBuilder);
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}
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public static void enhanceQueryWithRelProjectParams(StringBuilder queryBuilder, HttpServletRequest request) {
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String hasProject = request.getParameter("hasProject");
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String projectID = request.getParameter("projectID");
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String FP7ProjectID = request.getParameter("FP7ProjectID");
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if (hasProject != null && !hasProject.isEmpty()) {
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if (hasProject.equals("true")) {
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addEqualQueryTerm("relprojectid", "*", queryBuilder);
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} else {
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addNotEqualQueryTerm("relprojectid", "*", queryBuilder);
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}
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}
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if (FP7ProjectID != null && !FP7ProjectID.trim().isEmpty()) {
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addExactQueryTerm("relprojectcode", FP7ProjectID, queryBuilder);
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addExactQueryTerm(" relfundinglevel0_id", "FP7", queryBuilder);
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}
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if (projectID != null && !projectID.trim().isEmpty()) {
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queryBuilder.append(" and (relprojectcode exact \"").append(projectID).append("\")");
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}
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}
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public static void enhanceQueryWithAccessRights(StringBuilder queryBuilder, HttpServletRequest request) {
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String oa = request.getParameter("OA");
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addBooleanQueryTerm("resultbestlicense", oa, "Open Access", queryBuilder);
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}
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public static void enhanceQueryWithDate(StringBuilder queryBuilder, HttpServletRequest request) throws IllegalArgumentException{
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String fromDateAccepted = request.getParameter("fromDateAccepted");
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String toDateAccepted = request.getParameter("toDateAccepted");
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SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
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simpleDateFormat.setLenient(false);
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if (toDateAccepted != null && !toDateAccepted.isEmpty() && (fromDateAccepted == null || fromDateAccepted.isEmpty()) ) {
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if(!checkDate(toDateAccepted, simpleDateFormat)){
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//logger.debug("Format is " + !checkDate(toDateAccepted, simpleDateFormat));
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throw new IllegalArgumentException("toDateAccepted date must be formatted as YYYY-MM-DD");
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}
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throw new IllegalArgumentException("fromDateAccepted must be provided.");
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}
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if (fromDateAccepted != null && !fromDateAccepted.isEmpty() && (toDateAccepted == null || toDateAccepted.isEmpty()) ) {
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if (!checkDate(fromDateAccepted, simpleDateFormat)){
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//logger.debug("Format from is " + fromDateAccepted != null && !fromDateAccepted.isEmpty());
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throw new IllegalArgumentException("fromDateAccepted date must be formatted as YYYY-MM-DD");
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}
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toDateAccepted = simpleDateFormat.format(new Date());
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}
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if (toDateAccepted != null && !toDateAccepted.isEmpty() && fromDateAccepted != null && !fromDateAccepted.isEmpty()) {
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queryBuilder.append(" and (resultdateofacceptance within \"").append(fromDateAccepted).append(" ").append(toDateAccepted).append("\")");
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}
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}
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public static void enhanceQueryWithYearParams(StringBuilder queryBuilder, HttpServletRequest request) {
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String startYear = request.getParameter("startYear");
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String endYear = request.getParameter("endYear");
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int sYear = -1;
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if (startYear != null && !startYear.isEmpty()) {
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try {
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sYear = Integer.parseInt(startYear);
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} catch(NumberFormatException e) {
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throw new IllegalArgumentException("startYear parameter must be a numeric value.");
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}
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}
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int eYear = -1;
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if (endYear !=null && !endYear.isEmpty()) {
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try {
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eYear = Integer.parseInt(endYear);
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} catch(NumberFormatException e) {
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throw new IllegalArgumentException("endYear parameter must be a numeric value.");
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}
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}
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if (eYear != -1 && sYear != -1) {
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if (eYear < sYear) {
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throw new IllegalArgumentException("endYear must be greater than startYear.");
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}
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}
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addExactQueryTerm("projectstartyear", startYear, queryBuilder);
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addExactQueryTerm("projectendyear", endYear, queryBuilder);
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}
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public static void enhanceQueryWithResultsSortParameters(StringBuilder queryBuilder, HttpServletRequest request) {
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String sortByParameter = request.getParameter("sortBy");
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if (sortByParameter != null) {
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String[] sortParams = sortByParameter.split(",");
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if (sortParams.length != 2) {
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throw new IllegalArgumentException("Invalid sort paremeter. 'sortBy' parameter format is <fieldName>[,ascending|,descending].");
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}
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String sortByField = sortParams[0];
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String order = sortParams[1];
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if (!checkPublicationSortParameterFields(sortByField)){
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throw new IllegalArgumentException("'" + sortByField + "' is not a sortable field.");
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}
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if (!checkOrder(order)) {
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throw new IllegalArgumentException("'" + order + "' is not a valid ordering. Please use one of {ascending, descending}");
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}
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addSortParameter(sortByField, order, queryBuilder);
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}
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}
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public static void enhanceQueryWithProjectSortParameters(StringBuilder queryBuilder, HttpServletRequest request) {
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String sortByParameter = request.getParameter("sortBy");
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if (sortByParameter != null) {
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String[] sortParams = sortByParameter.split(",");
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if (sortParams.length != 2) {
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throw new IllegalArgumentException("Invalid sort paremeter. 'sortBy' parameter format is <fieldName>[,ascending|,descending].");
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}
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String sortByField = sortParams[0];
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String order = sortParams[1];
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if (!checkProjectSortParameterFields(sortByField)){
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throw new IllegalArgumentException("'" + sortByField + "' is not a sortable field.");
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}
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if (!checkOrder(order)) {
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throw new IllegalArgumentException("'" + order + "' is not a valid ordering. Please use one of {ascending, descending}");
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}
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addSortParameter(sortByField, order, queryBuilder);
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}
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}
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private static boolean checkPublicationSortParameterFields(String sortField) {
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if ((sortField != null) && (!sortField.isEmpty()) &&
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sortField.matches("dateofcollection|resultstoragedate|resultembargoenddate|resultembargoendyear|" +
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"resulttypeid|resulttypename|resultlanguageid|resultlanguagename|resultbestlicense|" +
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"resultbestlicenseid|resultdateofacceptance|resultacceptanceyear")) {
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return true;
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}
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return false;
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}
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private static boolean checkProjectSortParameterFields(String sortField) {
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if ((sortField != null) && (!sortField.isEmpty()) &&
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sortField.matches("dateofcollection|projectstartdate|projectstartyear|" +
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"projectenddate|projectendyear|projectcallidentifier|projectduration|" +
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"projectecsc39|projectcontracttypeid|projectcontracttypename")) {
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return true;
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}
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return false;
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}
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private static boolean checkOrder(String order) {
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if (order.matches("ascending|descending")) {
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return true;
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}
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return false;
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}
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public static boolean checkDate(String date, SimpleDateFormat simpleDateFormat) {
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try {
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simpleDateFormat.parse(date);
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} catch (ParseException pe) {
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logger.warn("Wrong date format.", pe);
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return false;
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}
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return true;
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}
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260
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/**
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* Enhance the given CQL query with OpenAIRE specific ids
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* @param queryBuilder
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* @param request
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* @return
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*/
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public static void enhanceQueryWithOpenAIREIds(StringBuilder queryBuilder, HttpServletRequest request) {
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String openairePublicationID = request.getParameter("openairePublicationID");
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String openaireAuthorID = request.getParameter("openaireAuthorID");
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String openaireProviderID = request.getParameter("openaireProviderID");
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String openaireProjectID = request.getParameter("openaireProjectID");
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addExactQueryTerm("objidentifier", openairePublicationID, queryBuilder);
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addExactQueryTerm("relpersonid", openaireAuthorID, queryBuilder);
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addExactQueryTerm("resulthostingdatasourceid", openaireProviderID, queryBuilder);
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addExactQueryTerm("relprojectid", openaireProjectID, queryBuilder);
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}
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public static void enhanceQueryWithMetadataKeywords(StringBuilder queryBuilder, HttpServletRequest request) {
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String keywords = request.getParameter("keywords");
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String title = request.getParameter("title");
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String author = request.getParameter("author");
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addMetadataQueryTerm(null, keywords, queryBuilder);
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addMetadataQueryTerm("resulttitle", title, queryBuilder);
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addMetadataQueryTerm("relperson", author, queryBuilder);
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}
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public static void enhanceQueryWithProjectMetadataKeywords(StringBuilder queryBuilder, HttpServletRequest request) {
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String keywords = request.getParameter("keywords");
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String acronym = request.getParameter("acronym");
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String name = request.getParameter("name");
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String grantID = request.getParameter("grantID");
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String callID = request.getParameter("callID");
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addMetadataQueryTerm(null, keywords, queryBuilder);
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addMetadataQueryTerm("projectacronym", acronym, queryBuilder);
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addEqualQueryTerm("projecttitle", name, queryBuilder);
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addExactQueryTerm("projectcode", grantID, queryBuilder);
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addExactQueryTerm("projectcallidentifier", callID, queryBuilder);
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}
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302
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public static void enhanceQueryWithParticipantsInfoParams(StringBuilder queryBuilder, HttpServletRequest request) {
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String[] participantCountries = request.getParameterValues("participantCountries");
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String participantAcronyms = request.getParameter("participantAcronyms");
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305
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306
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if(participantCountries != null) {
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enhanceQueryWithCommaSeparatedValues("relorganizationcountryid", participantCountries, queryBuilder);
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}
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309
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310
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addORQueryTerm("relorganizationname", "relorganizationshortname", participantAcronyms, queryBuilder);
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}
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312
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313
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public static void enhanceQueryWithDoi(StringBuilder queryBuilder, HttpServletRequest request) {
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314
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String[] dois = request.getParameterValues("doi");
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315
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316
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if (dois != null && !(dois.length==0)) {
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queryBuilder.append(" and ");
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318
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for (int i = 0; i < dois.length; i++) {
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String[] commaSeparated = dois[i].split(",");
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320
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for (int j = 0; j < commaSeparated.length; j++) {
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queryBuilder.append("(pidclassid exact \"doi\" and pid exact \"").append(commaSeparated[j]).append("\")");
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if (i < dois.length-1 || j < commaSeparated.length-1 ) {
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queryBuilder.append(" or ");
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}
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}
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}
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}
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}
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329
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public static void enhanceQueryWithCommaSeparatedValues(String indexFieldName, String[] fieldValues, StringBuilder queryBuilder) {
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331
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if (fieldValues != null && !(fieldValues.length==0)) {
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queryBuilder.append(" and ");
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333
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for (int i = 0; i < fieldValues.length; i++) {
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String[] commaSeparated = fieldValues[i].split(",");
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335
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for (int j = 0; j < commaSeparated.length; j++) {
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queryBuilder.append("(").append(indexFieldName).append(" exact \"").append(commaSeparated[j].toUpperCase()).append("\")");
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if (i < fieldValues.length-1 || j < commaSeparated.length-1 ) {
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queryBuilder.append(" and ");
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}
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340
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}
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341
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}
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342
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}
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343
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}
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344
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345
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public static void addMetadataQueryTerm(String indexFieldName, String fieldValue, StringBuilder queryBuilder) {
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346
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if (fieldValue != null && !fieldValue.trim().isEmpty()) {
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347
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if(indexFieldName != null) {
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348
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for (String term: fieldValue.trim().split(" ")){
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349
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queryBuilder.append(" and (").append(indexFieldName).append(" = ").append(term).append(")");
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350
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}
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351
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} else {
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352
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queryBuilder.append(" and ( " );
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|
353
|
String[] keywords = fieldValue.trim().split(" ");
|
|
354
|
for (int i = 0; i < keywords.length; i++) {
|
|
355
|
if (i == keywords.length -1) {
|
|
356
|
queryBuilder.append(keywords[i]);
|
|
357
|
} else {
|
|
358
|
queryBuilder.append(keywords[i]).append(" and ");
|
|
359
|
}
|
|
360
|
}
|
|
361
|
queryBuilder.append(")" );
|
|
362
|
}
|
|
363
|
}
|
|
364
|
}
|
|
365
|
|
|
366
|
public static void addORQueryTerm(String indexFieldName1, String indexFieldName2, String fieldValue, StringBuilder queryBuilder) {
|
|
367
|
if (fieldValue != null && !fieldValue.trim().isEmpty()) {
|
|
368
|
for (String term: fieldValue.trim().split(" ")) {
|
|
369
|
queryBuilder.append(" and (" + indexFieldName1 + " = " + term + " or " + indexFieldName2 + " = " + term + ")");
|
|
370
|
}
|
|
371
|
}
|
|
372
|
}
|
|
373
|
|
|
374
|
public static void addBooleanQueryTerm(String indexFieldName, String requestValue, String fieldValue, StringBuilder queryBuilder){
|
|
375
|
if (requestValue != null && !requestValue.trim().isEmpty()) {
|
|
376
|
if (requestValue.trim().equals("true")) {
|
|
377
|
addExactQueryTerm(indexFieldName, fieldValue, queryBuilder);
|
|
378
|
} else {
|
|
379
|
addDifferentEqualQueryTerm(indexFieldName, fieldValue, queryBuilder);
|
|
380
|
}
|
|
381
|
}
|
|
382
|
}
|
|
383
|
|
|
384
|
public static void addExactQueryTerm(String indexFieldName, String fieldValue, StringBuilder queryBuilder){
|
|
385
|
if (fieldValue != null && !fieldValue.trim().isEmpty()) {
|
|
386
|
queryBuilder.append(" and (" + indexFieldName + " exact \""+ fieldValue +"\")");
|
|
387
|
}
|
|
388
|
}
|
|
389
|
|
|
390
|
public static void addEqualQueryTerm(String indexFieldName, String fieldValue, StringBuilder queryBuilder){
|
|
391
|
if (fieldValue != null && !fieldValue.trim().isEmpty()) {
|
|
392
|
queryBuilder.append(" and (" + indexFieldName + " = \""+ fieldValue.replaceAll("\"","") +"\")");
|
|
393
|
}
|
|
394
|
}
|
|
395
|
|
|
396
|
public static void addNotEqualQueryTerm(String indexFieldName, String fieldValue, StringBuilder queryBuilder){
|
|
397
|
if (fieldValue != null && !fieldValue.trim().isEmpty()) {
|
|
398
|
queryBuilder.append(" not ").append(indexFieldName).append(" = \"").append(fieldValue).append("\"");
|
|
399
|
}
|
|
400
|
}
|
|
401
|
|
|
402
|
public static void addDifferentEqualQueryTerm(String indexFieldName, String fieldValue, StringBuilder queryBuilder){
|
|
403
|
if (fieldValue != null && !fieldValue.trim().isEmpty()) {
|
|
404
|
queryBuilder.append(" and (").append(indexFieldName).append(" <> \"").append(fieldValue).append("\")");
|
|
405
|
}
|
|
406
|
}
|
|
407
|
|
|
408
|
public static void addVocabularizedQueryTerm(String indexFieldName, String fieldValue, StringBuilder queryBuilder, Vocabulary vocabulary){
|
|
409
|
if (fieldValue != null && !fieldValue.trim().isEmpty()) {
|
|
410
|
queryBuilder.append(" and (").append(indexFieldName).append(" exact \"").append(devocabularizedTerm(fieldValue, vocabulary)).append("\")");
|
|
411
|
}
|
|
412
|
}
|
|
413
|
|
|
414
|
private static void addSortParameter(String indexField, String order, StringBuilder queryBuilder) {
|
|
415
|
queryBuilder.append(" sortBy " + indexField + "/sort." + order);
|
|
416
|
}
|
|
417
|
|
|
418
|
/**
|
|
419
|
* Returns the encoding of the given value. If the encoding does not exist
|
|
420
|
* in the given vocabulary the method returns the original value.|
|
|
421
|
* @param value the value to be encoded
|
|
422
|
* @param vocabulary the vocabulary containing the encoding - value mapping
|
|
423
|
* @return
|
|
424
|
*/
|
|
425
|
public static String devocabularizedTerm(String value, Vocabulary vocabulary) {
|
|
426
|
if (vocabulary != null) {
|
|
427
|
String term = vocabulary.getEncoding(value);
|
|
428
|
if (term == null) {
|
|
429
|
return value;
|
|
430
|
}
|
|
431
|
return term;
|
|
432
|
}
|
|
433
|
return value;
|
|
434
|
}
|
|
435
|
}
|