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    • fr.ird.observe.dto.report.ReportRequestExecutor Maven / Gradle / Ivy

    package fr.ird.observe.dto.report;

/*-
 * #%L
 * ObServe Toolkit :: Dto
 * %%
 * Copyright (C) 2017 - 2021 Ultreia.io
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * To execute a request.
 * 
    
 * Created on 21/09/2021.
 *
 * @author Tony Chemit - [email protected]
 * @since 5.0.44
 */
public interface ReportRequestExecutor {
    Logger log = LogManager.getLogger(ReportRequestExecutor.class);

    Report populateVariables(Report report, Set tripIds);

    DataMatrix executeReport(Report report, Set tripId);

     List executeRequest(String request, Map params);

     void populateVariable(ReportVariable variable, Map vars);

    default DataMatrix executeReportRequest(ReportRequest request, Report report, Set dataId, ReportVariable repeatValues) {
        Map params = ReportRequest.extractParams(report, dataId);
        if (repeatValues == null) {
            return executeReportRequest(request, params);
        }
        DataMatrix result = new DataMatrix();
        for (Object repeatValue : repeatValues.getValues()) {
            params.put(request.getRepeat().getVariableName(), repeatValue);
            DataMatrix tmp = executeReportRequest(request, params);
            switch (request.getRepeat().getLayout()) {
                case row:
                    // on ajoute le résultat a droite de celui deja present
                    tmp.setX(result.getX() + result.getWidth());
                    tmp.setY(result.getY());
                    break;
                case column:
                    // on ajoute le résultat en dessous de celui deja present
                    tmp.setX(result.getX());
                    tmp.setY(result.getY() + result.getHeight());
                    break;
            }
            result = DataMatrix.merge(result, tmp);
        }
        result.setX(request.getX());
        result.setY(request.getY());
        log.debug(String.format("Result location  : %s", result.getLocation()));
        log.debug(String.format("Result data      :\n%s", result.getClipboardContent(true, true, false, '\t')));
        return result;
    }

    default DataMatrix executeReportRequest(ReportRequest reportRequest, Map params) {
        // création des paramètres : couples (key, value)
        log.debug(String.format("Request          : %s", reportRequest.getRequest()));
        log.debug(String.format("Available params : %s", params.keySet()));
        log.debug(String.format("Params to use    : %s", params));
        // lancement de la requête
        List list = executeRequest(reportRequest.getRequest(), params);
        log.debug(String.format("Result size      : %d", list.size()));
        // determination des dimensions du résultat
        DataMatrixDimension dimension = computeDimension(reportRequest, list);
        log.debug(String.format("Result dimension : %s", dimension));
        // construction du résultat
        DataMatrix result = computeResult(reportRequest, dimension, list);
        log.debug(String.format("Result location  : %s", result.getLocation()));
        log.debug(String.format("Result data      :\n%s", result.getClipboardContent(true, true, false, '\t')));
        return result;
    }

    @SuppressWarnings("unchecked")
    default void doPopulateRepeatVariables(Report report, Set tripId) {
        Map vars = ReportRequest.extractParams(report, tripId);
        for (@SuppressWarnings("rawtypes") ReportVariable variable : report.getRepeatVariables()) {
            String hql = variable.getRequest();
            List universe = executeRequest(hql, vars);
            LinkedHashSet values = new LinkedHashSet<>(universe);
            variable.setValues(values);
        }
    }

    private DataMatrixDimension computeDimension(ReportRequest request, List list) {
        int height = 0;
        int width = 0;
        switch (request.getLayout()) {
            case row:
                // le count de result est le nombre de lignes
                height = list.size();
                if (!list.isEmpty()) {
                    Object o = list.get(0);
                    if (o == null || !o.getClass().isArray()) {
                        // une seule colonne
                        width = 1;
                    } else {
                        width = ((Object[]) o).length;
                    }
                }
                break;
            case column:
                // le count de result est le nombre de colonnes
                width = list.size();
                if (!list.isEmpty()) {
                    Object o = list.get(0);
                    if (o == null || !o.getClass().isArray()) {
                        // une seule ligne
                        height = 1;
                    } else {
                        height = ((Object[]) o).length;
                    }
                }
                break;
        }
        return new DataMatrixDimension(width, height);
    }

    private DataMatrix computeResult(ReportRequest request, DataMatrixDimension dimension, List list) {
        DataMatrix result = new DataMatrix();
        result.setDimension(dimension);
        result.createData();
        // le seul cas différent est le n-* (une ligne correspond à une colonne)
        int y = 0;
        int x = 0;
        switch (request.getLayout()) {
            case row:
                boolean uniqueColumn = result.getWidth() == 1;
                // les lignes du résultat sont les lignes du tableau
                for (Object row : list) {
                    if (uniqueColumn) {
                        // une seule colonne
                        result.setValue(0, y, row);
                    } else {
                        x = 0;
                        Object[] cells = (Object[]) row;
                        for (Object cell : cells) {
                            result.setValue(x++, y, cell);
                        }
                    }
                    // on passage a la ligne suivante
                    y++;
                }
                break;
            case column:
                // les lignes du résultat sont les colonnes du tableau
                boolean uniqueRow = result.getHeight() == 1;
                for (Object col : list) {
                    if (uniqueRow) {
                        // une seule ligne
                        result.setValue(x, 0, col);
                    } else {
                        y = 0;
                        Object[] cells = (Object[]) col;
                        for (Object cell : cells) {
                            result.setValue(x, y++, cell);
                        }
                    }
                    // on passage a la colonne suivante
                    x++;
                }
                break;
        }
        // on pousse la position du résultat
        result.setX(request.getX());
        result.setY(request.getY());
        return result;
    }
}
    
    
    
    

    




    
    
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