# QuestionReplyExport.java

    /*
     * Copyright (C) 2000 - 2024 Silverpeas
     *
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     *
     * As a special exception to the terms and conditions of version 3.0 of
     * the GPL, you may redistribute this Program in connection with Free/Libre
     * Open Source Software ("FLOSS") applications as described in Silverpeas's
     * FLOSS exception. You should have received a copy of the text describing
     * the FLOSS exception, and it is also available here:
     * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
     *
     * 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 Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program. If not, see <https://www.gnu.org/licenses/>.
     */
    package org.silverpeas.components.questionreply.control;

    import org.silverpeas.components.questionreply.QuestionReplyException;
    import org.silverpeas.components.questionreply.model.Question;
    import org.silverpeas.components.questionreply.model.Reply;
    import org.silverpeas.core.admin.user.model.SilverpeasRole;
    import org.silverpeas.core.importexport.attachment.AttachmentDetail;
    import org.silverpeas.core.importexport.attachment.AttachmentImportExport;
    import org.silverpeas.core.util.MultiSilverpeasBundle;
    import org.silverpeas.core.util.UnitUtil;
    import org.silverpeas.core.util.WebEncodeHelper;

    import java.io.File;
    import java.text.ParseException;
    import java.util.Collection;
    import java.util.Iterator;

    /**
     * @author ehugonnet
     */
    public class QuestionReplyExport {

      private File file;
      private MultiSilverpeasBundle resource;

      public QuestionReplyExport(MultiSilverpeasBundle resource, File file) {
        this.file = file;
        this.resource = resource;
      }

      public void exportQuestion(Question question, StringBuilder sb,
          QuestionReplySessionController scc) throws QuestionReplyException, ParseException {
        String questionId = question.getPK().getId();
        String qId = "q" + questionId;
        sb.append(
            "<table class=\"question\" width=\"98%\" align=\"center\" border=\"0\" cellpadding=\"0\" " +
                "cellspacing=\"0\">\n");
        sb.append("<tr>\n");
        sb.append("<td>\n");
        sb.append("<table width=\"100%\" cellpadding=\"0\" cellspacing=\"2\">\n");
        sb.append("<tr>\n");
        sb.append("<td></td>\n");
        sb.append("<td class=\"titreQuestionReponse\" width=\"100%\">\n");
        sb.append("<div id=").append(qId).append(" class=\"question\">");
        sb.append(WebEncodeHelper.javaStringToHtmlParagraphe(question.getTitle()));
        sb.append("</div>\n");
        sb.append("</td>\n");
        sb.append("</tr>\n");
        sb.append("<tr>\n");
        sb.append("<td colspan=\"2\">\n");
        sb.append("<span class=\"txtBaseline\">");
        sb.append(question.readCreatorName()).append(" - ")
            .append(resource.getOutputDate(question.getCreationDate()));
        sb.append("</span>\n");
        sb.append("</td>\n");
        sb.append("</tr>\n");
        sb.append("</table>\n");
        sb.append("</td>\n");
        sb.append("</tr>\n");
        sb.append("</table>\n");

        // affichage des réponses
        String aId = "a" + questionId;
        Collection<Reply> replies = question.readReplies();
        Iterator<Reply> itR = replies.iterator();
        boolean existe = false;
        if (itR.hasNext()) {
          existe = true;
        }
        existe = true;
        if (existe) {
          sb.append("<table width=\"98%\" align=\"center\" cellpadding=\"0\" cellspacing=\"0\">\n");
          sb.append("<tr>\n");
          sb.append("<td class=\"answers\">\n");
          sb.append("<div id=").append(aId).append(" class=\"answer\">\n");
          // contenu de la question
          sb.append("<table>\n");
          sb.append("<tr>\n");
          sb.append("<td>");
          sb.append(WebEncodeHelper.javaStringToHtmlParagraphe(question.getContent()));
          sb.append("</td>\n");
          sb.append("</tr>\n");
          sb.append("</table>\n");
        }
        while (itR.hasNext()) {
          Reply reply = itR.next();
          if (isReplyVisible(question, reply, scc)) {
            reply.getPK().setComponentName(question.getInstanceId());
            exportReply(scc, reply, sb);
          }
        }
        if (existe) {
          sb.append("<br>\n");
          sb.append("</div>\n");
          sb.append("</td>\n");
          sb.append("</tr>\n");
          sb.append("</table>\n");
        }

      }

      protected void exportReply(final QuestionReplySessionController qRSC, Reply reply,
          StringBuilder sb) throws QuestionReplyException, ParseException {
        sb.append("<br>\n");
        sb.append("<center>\n");
        sb.append(
            "<table class=\"tableBoard\" width=\"98%\" border=\"0\" cellpadding=\"5\" " +
                "cellspacing=\"0\">\n");
        sb.append("<tr>\n");
        sb.append("<td nowrap=\"nowrap\">\n");
        sb.append("<table width=\"100%\" cellpadding=\"0\" cellspacing=\"2\">\n");
        sb.append("<tr>\n");
        sb.append("<td class=\"titreQuestionReponse\" width=\"100%\">\n");
        sb.append(" <span class=\"titreQuestionReponse\">")
            .append(WebEncodeHelper.javaStringToHtmlParagraphe(reply.getTitle())).append("</span>\n");
        sb.append("</td>\n");
        sb.append("</tr>\n");
        sb.append("</table>\n");
        sb.append("<br>\n");
        sb.append("<table>\n");
        sb.append("<tr>\n");
        sb.append("<td width=\"90%\">");
        sb.append(reply.readCurrentWysiwygContent());
        sb.append("</td>\n");
        // récupération des fichiers joints : copie de ces fichiers dans le dossier "files"
        AttachmentImportExport attachmentIE = new AttachmentImportExport(qRSC.getUserDetail());
        Collection<AttachmentDetail> attachments = null;
        try {
          String filePath = file.getParentFile().getPath() + File.separator + "files";
          String relativeFilePath = file.getParentFile().getPath();
          attachments = attachmentIE.getAttachments(reply.getPK().toResourceReference(), filePath,
              relativeFilePath, null);
        } catch (Exception ex) {
          // En cas d"objet non trouvé: pas d'exception gérée par le système
          throw new QuestionReplyException(ex);
        }

        if (attachments != null && !attachments.isEmpty()) {
          // les fichiers joints : création du lien dans la page
          sb.append("<td valign=\"top\" align=\"left\">\n");
          sb.append("<a name=\"attachments\"></a>\n");
          sb.append("<td valign=\"top\" align=\"left\">\n");
          sb.append("<center>\n");
          sb.append(
              "<table class=\"tableBoard\" width=\"98%\" border=\"0\" cellpadding=\"5\" " +
                  "cellspacing=\"0\">\n");
          sb.append("<tr>\n");
          sb.append("<td nowrap=\"nowrap\">\n");
          sb.append("<table width=\"150\">\n");

          // pour chaque fichier
          for (AttachmentDetail attachment : attachments) {
            exportAttachment(attachment, sb);
          }
          sb.append("</table>\n");
          sb.append("</td>\n");
          sb.append("</tr>\n");
          sb.append("</table>\n");
          sb.append("</center>\n");
          sb.append("</td>\n");
        }
        sb.append("</tr>\n");
        sb.append("</table>\n");
        sb.append("<br>\n");
        sb.append("<span class=\"txtBaseline\">");
        sb.append(resource.getString("questionReply.replyOf")).append(" ")
            .append(reply.readCreatorName());
        sb.append(" - ").append(resource.getOutputDate(reply.getCreationDateAsString()));
        sb.append("</span>\n");
        sb.append("</td>\n");
        sb.append("</tr>\n");
        sb.append("</table>\n");
        sb.append("</center>\n");
      }

      protected void exportAttachment(AttachmentDetail attachment, StringBuilder sb) {
        // attachment
        sb.append("<tr>\n");
        sb.append("<td align=\"center\"></td>\n");
        sb.append("</tr>\n");
        sb.append("<tr>\n");
        sb.append("<td valign=\"top\">\n");
        sb.append("<nobr>\n");
        sb.append("<a href=\"files/");
        sb.append(attachment.getLogicalName());
        sb.append("\" target=\"_blank\">");
        sb.append(attachment.getLogicalName());
        sb.append("</a>\n");
        sb.append("</nobr>\n");
        sb.append("<br>\n");
        sb.append(UnitUtil.formatMemSize(attachment.getSize()));
        sb.append("</td>\n");
        sb.append("</tr>\n");
      }

      public boolean isReplyVisible(Question question, Reply reply,
          QuestionReplySessionController scc) {
        return isReplyVisible(question, reply, scc.getUserRole(), scc.getUserId());
      }

      public static boolean isReplyVisible(Question question, Reply reply, SilverpeasRole role,
          String userId) {
        boolean isPrivate = reply.getPublicReply() == 0;
        boolean isPublisherQuestion = true;
        if (SilverpeasRole.PUBLISHER == role && isPrivate) {
          isPublisherQuestion = question.getCreatorId().equals(userId);
        }
        return !(isPrivate && SilverpeasRole.USER == role || !isPublisherQuestion);
      }
    }