# GallerySessionController.java

    /*
     * Copyright (C) 2000 - 2026 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.gallery.control;

    import org.silverpeas.components.gallery.GalleryComponentSettings;
    import org.silverpeas.components.gallery.Watermark;
    import org.silverpeas.components.gallery.constant.MediaResolution;
    import org.silverpeas.components.gallery.constant.MediaType;
    import org.silverpeas.components.gallery.delegate.GalleryPasteDelegate;
    import org.silverpeas.components.gallery.delegate.MediaDataCreateDelegate;
    import org.silverpeas.components.gallery.delegate.MediaDataUpdateDelegate;
    import org.silverpeas.components.gallery.model.*;
    import org.silverpeas.components.gallery.service.GalleryService;
    import org.silverpeas.components.gallery.service.MediaServiceProvider;
    import org.silverpeas.components.gallery.web.ExportOptionValue;
    import org.silverpeas.components.gallery.web.MediaSort;
    import org.silverpeas.core.admin.service.OrganizationController;
    import org.silverpeas.core.admin.user.model.SilverpeasRole;
    import org.silverpeas.core.admin.user.model.UserDetail;
    import org.silverpeas.core.clipboard.ClipboardException;
    import org.silverpeas.core.clipboard.ClipboardSelection;
    import org.silverpeas.core.comment.model.Comment;
    import org.silverpeas.core.comment.service.CommentService;
    import org.silverpeas.core.comment.service.CommentServiceProvider;
    import org.silverpeas.core.contribution.content.form.DataRecord;
    import org.silverpeas.core.contribution.publication.model.Location;
    import org.silverpeas.core.contribution.template.publication.PublicationTemplate;
    import org.silverpeas.core.contribution.template.publication.PublicationTemplateException;
    import org.silverpeas.core.contribution.template.publication.PublicationTemplateManager;
    import org.silverpeas.core.importexport.ExportDescriptor;
    import org.silverpeas.core.importexport.ExportException;
    import org.silverpeas.core.importexport.ImportExportDescriptor;
    import org.silverpeas.core.importexport.report.ExportReport;
    import org.silverpeas.core.index.indexing.model.FieldDescription;
    import org.silverpeas.core.index.search.model.QueryDescription;
    import org.silverpeas.core.node.model.NodeDetail;
    import org.silverpeas.core.node.model.NodePK;
    import org.silverpeas.core.node.model.NodeSelection;
    import org.silverpeas.core.notification.NotificationException;
    import org.silverpeas.core.notification.message.MessageNotifier;
    import org.silverpeas.core.notification.user.client.NotificationMetaData;
    import org.silverpeas.core.notification.user.client.NotificationParameters;
    import org.silverpeas.core.notification.user.client.NotificationSender;
    import org.silverpeas.core.notification.user.client.UserRecipient;
    import org.silverpeas.core.pdc.pdc.model.SearchContext;
    import org.silverpeas.core.subscription.service.ComponentSubscriptionResource;
    import org.silverpeas.core.subscription.service.NodeSubscriptionResource;
    import org.silverpeas.core.ui.DisplayI18NHelper;
    import org.silverpeas.core.util.Link;
    import org.silverpeas.core.util.URLUtil;
    import org.silverpeas.core.util.WebEncodeHelper;
    import org.silverpeas.core.util.file.FileRepositoryManager;
    import org.silverpeas.core.util.file.FileServerUtils;
    import org.silverpeas.core.web.mvc.controller.AbstractComponentSessionController;
    import org.silverpeas.core.web.mvc.controller.ComponentContext;
    import org.silverpeas.core.web.mvc.controller.MainSessionController;
    import org.silverpeas.core.web.subscription.SubscriptionContext;
    import org.silverpeas.kernel.annotation.NonNull;
    import org.silverpeas.kernel.bundle.LocalizationBundle;
    import org.silverpeas.kernel.bundle.ResourceLocator;
    import org.silverpeas.kernel.bundle.SettingBundle;
    import org.silverpeas.kernel.cache.model.SimpleCache;
    import org.silverpeas.kernel.logging.SilverLogger;
    import org.silverpeas.kernel.util.StringUtil;

    import javax.ws.rs.WebApplicationException;
    import javax.ws.rs.core.Response;
    import java.io.File;
    import java.util.*;

    import static org.silverpeas.core.cache.service.CacheAccessorProvider.getSessionCacheAccessor;

    public final class GallerySessionController extends AbstractComponentSessionController {

      private static final String SUBJECT_NOTIF = "gallery.orderNotifAskSubject";
      private String currentAlbumId = "0";
      private AlbumDetail currentAlbum;
      private int rang = 0;
      private MediaResolution displayedMediaResolution = MediaResolution.SMALL;
      private MediaSort sort = MediaSort.CreationDateDesc;
      private String currentOrderId = "0";
      private final List<String> listSelected = new ArrayList<>();
      private boolean isViewNotVisible = false;
      // manage search keyword
      private String searchKeyWord = "";
      private List<Media> searchResultListMedia = new ArrayList<>();
      private List<Media> restrictedListMedia = new ArrayList<>();
      private boolean isSearchResult = false;
      private QueryDescription query = new QueryDescription();
      private SearchContext pdcSearchContext;
      private DataRecord xmlSearchContext;
      // select/deselect all
      private boolean select = false;
      private transient LocalizationBundle metadataResources = null;
      private transient CommentService commentService = null;
      // pagination de la liste des résultats (PDC via DomainsBar)
      private int indexOfCurrentPage = 0;
      private int nbMediasPerPage = GalleryComponentSettings.getNbMediaDisplayedPerPage();
      // manage basket case (contains list of media identifier)
      private final List<String> basket = new ArrayList<>();
      private static final SettingBundle DEFAULT_SETTINGS =
          ResourceLocator.getSettingBundle("org.silverpeas.gallery.settings.metadataSettings");
      private static final String MULTILANG_GALLERY_BUNDLE =
          "org.silverpeas.gallery.multilang.galleryBundle";

      private final GalleryService galleryService;

      /**
       * Standard Session Controller Constructeur
       *
       * @param mainSessionCtrl The user's profile
       * @param componentContext The component's profile
       */
      public GallerySessionController(MainSessionController mainSessionCtrl,
          ComponentContext componentContext) {
        super(mainSessionCtrl, componentContext, MULTILANG_GALLERY_BUNDLE,
            "org.silverpeas.gallery.settings.galleryIcons",
            "org.silverpeas.gallery.settings.gallerySettings");
        String albumResolution = getComponentParameterValue("albumResolution");
        MediaResolution mediaResolution = StringUtil.isDefined(albumResolution) ?
            MediaResolution.fromNameOrLabel(albumResolution) :
            MediaResolution.SMALL;
        setDisplayedMediaResolution(mediaResolution);
        galleryService = MediaServiceProvider.getMediaService();
        currentAlbum = getAlbum(currentAlbumId);
      }

      /**
       * Gets the business service of operations on comments
       *
       * @return a DefaultCommentService instance.
       */
      private CommentService getCommentService() {
        if (commentService == null) {
          commentService = CommentServiceProvider.getCommentService();
        }
        return commentService;
      }

      public List<Media> getLastRegisteredMedia() {
        try {
          return getMediaService().getLastRegisteredMedia(getComponentId());
        } catch (Exception e) {
          throw new GalleryRuntimeException(e);
        }
      }

      public List<Comment> getAllComments(Media media) {
        return getCommentService().getAllCommentsOnResource(media.getContributionType(),
            media.getIdentifier().toReference());
      }

      public int getSilverObjectId(String objectId) {
        int silverObjectId = -1;
        try {
          silverObjectId = getMediaService().getSilverObjectId(
              new MediaPK(objectId, getSpaceId(), getComponentId()));
        } catch (Exception e) {
          SilverLogger.getLogger(this).error(e);
        }
        return silverObjectId;
      }

      public AlbumDetail goToAlbum() {
        return currentAlbum;
      }

      public AlbumDetail goToAlbum(String albumId) {
        setCurrentAlbumId(albumId);
        return currentAlbum;
      }

      public void loadCurrentAlbum() {
        goToAlbum(currentAlbumId);
      }

      public AlbumDetail getAlbum(String albumId) {
        NodePK nodePK = new NodePK(albumId, getComponentId());
        AlbumDetail album;
        try {
          album = getMediaService().getAlbum(nodePK);
          sort(album.getMedia());
        } catch (Exception e) {
          throw new GalleryRuntimeException(e);
        }
        return album;
      }

      public AlbumDetail getAlbumLight(String albumId) {
        NodePK nodePK = new NodePK(albumId, getComponentId());
        AlbumDetail album;
        try {
          album = getMediaService().getAlbum(nodePK);
        } catch (Exception e) {
          throw new GalleryRuntimeException(e);
        }
        return album;
      }

      public Collection<Media> getNotVisible() {
        Collection<Media> media;
        try {
          media = getMediaService().getNotVisible(getComponentId());
          setRestrictedListMedia(media);
          return media;
        } catch (Exception e) {
          throw new GalleryRuntimeException(e);
        }
      }

      public Collection<AlbumDetail> getAllAlbums() {
        try {
          return getMediaService().getAllAlbums(getComponentId());
        } catch (Exception e) {
          throw new GalleryRuntimeException(e);
        }
      }

      public void setMediaToAlbums(String mediaId, String[] albums) {
        if (albums != null) {
          Media media = getMediaService().getMedia(new MediaPK(mediaId, getComponentId()));
          if (media != null) {
            media.setToAlbums(albums);
            MessageNotifier.addSuccess(getString("gallery.media.path.choose.success"));
          }
        }
      }

      public void addMediaToAlbums(String mediaId, String[] albums) {
        if (albums != null) {
          Media media = getMediaService().getMedia(new MediaPK(mediaId, getComponentId()));
          if (media != null) {
            media.addToAlbums(albums);
          }
        }
      }

      public void createAlbum(AlbumDetail album) {
        album.setCreationDate(new Date());
        album.setCreatorId(getUserId());
        album.getNodePK().setComponentName(getComponentId());

        getMediaService().createAlbum(album, new NodePK(currentAlbumId, getComponentId()));

        // Reloading the album.
        loadCurrentAlbum();
      }

      public void updateAlbum(AlbumDetail album) {
        getMediaService().updateAlbum(album);

        // Reloading the album.
        loadCurrentAlbum();
      }

      public void deleteAlbum(String albumId) {
        try {
          final String parentId = getAlbumLight(albumId).getFatherPK().getId();
          getMediaService().deleteAlbum(getUserDetail(), getComponentId(),
              getAlbum(albumId).getNodePK());
          goToAlbum(parentId);
        } catch (Exception e) {
          throw new GalleryRuntimeException(e);
        }
      }

      public LocalizationBundle getMetadataResources() {
        if (metadataResources == null) {
          metadataResources =
              ResourceLocator.getLocalizationBundle("org.silverpeas.gallery.multilang.metadataBundle",
                  getLanguage());
        }
        return metadataResources;
      }

      public Media getMedia(String mediaId) {
        Media media = getMediaById(mediaId);

        // Getting current album identifiers with which the media is linked.
        Collection<String> albumIds = getMediaService().getAlbumIdsOf(media);

        // regarder si l'album courant est dans la liste des albums
        boolean inAlbum = albumIds.contains(currentAlbumId);
        String firstAlbumId = albumIds.isEmpty() ? "" : albumIds.iterator().next();
        if (!inAlbum) {
          setCurrentAlbumId(firstAlbumId);
        }

        // Updating the rank of the media.
        List<Media> mediaOfCurrentAlbum = currentAlbum.getMedia();
        rang = mediaOfCurrentAlbum.indexOf(media);

        return media;
      }

      public Media getPrevious() {
        return getPreviousOrNext(true);
      }

      public Media getNext() {
        return getPreviousOrNext(false);
      }

      private Media getPreviousOrNext(boolean isPreviousRequired) {
        int offset = isPreviousRequired ? -1 : 1;
        Media media;
        try {

          // Finding the rank of the media
          int newRang = rang + offset;
          media = currentAlbum.getMedia().get(newRang);

          // Updating the rank of the current media.
          rang = newRang;

        } catch (Exception e) {
          throw new GalleryRuntimeException(e);
        }
        return media;
      }

      /**
       * Creating one media (just only one)
       *
       * @param delegate the creator to which the creation of the media has to be delegated.
       * @return the unique identifier of the new media.
       */
      public synchronized String createMedia(final MediaDataCreateDelegate delegate) {
        try {
          // Persisting data
          Media createdMedia = getMediaService().createMedia(getUserDetail(), getComponentId(),
              GalleryComponentSettings.getWatermark(getComponentId()), delegate);

          // recharger l'album courant pour prendre en comptes le nouveau média
          goToAlbum(currentAlbumId);

          return createdMedia.getId();
        } catch (Exception e) {
          throw new GalleryRuntimeException(e);
        }
      }

      /**
       * Updating one media (just only one)
       *
       * @param mediaId the unique identifier of the media to update.
       * @param delegate the updater to which the media modification has to be delegated.
       */
      public void updateMediaByUser(final String mediaId, final MediaDataUpdateDelegate delegate) {
        // Persisting data
        getMediaService().updateMedia(getUserDetail(), getComponentId(), getMedia(mediaId),
            getWatermark(), delegate);
      }

      /**
       * Updating several media (no file have to be handled)
       *
       * @param mediaIds the unique identifiers of the media to update
       * @param delegate the updater to which the media modification has to be delegated.
       */
      public void updateMediaByUser(final Collection<String> mediaIds,
          final MediaDataUpdateDelegate delegate) {
        if (mediaIds != null) {
          // Persisting data
          getMediaService().updateMedia(getUserDetail(), getComponentId(), mediaIds,
              getCurrentAlbumId(), delegate);
        }
      }

      public void deleteMedia(String mediaId) {
        deleteMedia(Collections.singletonList(mediaId));
      }

      public void deleteMedia(final Collection<String> mediaIds) {
        try {
          // Deleting the media.
          getMediaService().deleteMedia(getUserDetail(), getComponentId(), mediaIds);

        } catch (Exception e) {
          throw new GalleryRuntimeException(e);
        }

        // Reloading the album to take into account the deletion.
        loadCurrentAlbum();
      }

      @NonNull
      private GalleryService getMediaService() {
        return this.galleryService;
      }

      public List<NodeDetail> getPath(NodePK nodePK) {
        List<NodeDetail> path = (List<NodeDetail>) getMediaService().getPath(nodePK);
        Collections.reverse(path);
        return path;
      }

      public Collection<NodeDetail> getPath() {
        return getPath(new NodePK(getCurrentAlbumId(), getComponentId()));
      }

      public synchronized Collection<String> getAlbumIdsOf(String mediaId) {
        return getMediaService().getAlbumIdsOf(getMediaById(mediaId));
      }

      public int getNbMediaPerPage() {
        return nbMediasPerPage;
      }

      public void setNbMediasPerPage(int nb) {
        nbMediasPerPage = nb;
      }

      public MediaResolution getDisplayedMediaResolution() {
        return displayedMediaResolution;
      }

      public void setDisplayedMediaResolution(MediaResolution displayedMediaResolution) {
        this.displayedMediaResolution = displayedMediaResolution;
      }

      public MediaSort getSort() {
        return sort;
      }

      public void setSort(MediaSort sort) {
        this.sort = sort;
        sortMedia();
      }

      public void setSortSearch(MediaSort sort) {
        this.sort = sort;
        sortMediaSearch();
      }

      private void sortMedia() {
        sort(currentAlbum.getMedia());
      }

      private void sortMediaSearch() {
        sort(getSearchResultListMedia());
        sort(getRestrictedListMedia());
      }

      private void sort(final List<Media> media) {
        if (sort != null) {
          sort.perform(media);
        }
      }

      public void setIndexOfCurrentPage(String index) {
        this.indexOfCurrentPage = Integer.parseInt(index);
      }

      public int getIndexOfCurrentPage() {
        return indexOfCurrentPage;
      }

      public String getCurrentAlbumId() {
        return currentAlbumId;
      }

      public void setCurrentAlbumId(String currentAlbumId) {
        this.currentAlbumId = currentAlbumId;
        this.currentAlbum = getAlbum(this.currentAlbumId);
      }

      public int getRang() {
        return rang;
      }

      public Boolean isDragAndDropEnabled() {
        return GalleryComponentSettings.isDragAndDropEnabled(getComponentId());
      }

      public Boolean isUsePdc() {
        return GalleryComponentSettings.isPdcEnabled(getComponentId());
      }

      public Boolean isViewMetadata() {
        return GalleryComponentSettings.isViewMetadataEnabled(getComponentId());
      }

      public Watermark getWatermark() {
        return GalleryComponentSettings.getWatermark(getComponentId());
      }

      public Boolean isMakeWatermark() {
        return GalleryComponentSettings.isMakeWatermarkEnabled(getComponentId());
      }

      public Boolean isViewList() {
        return "yes".equalsIgnoreCase(getComponentParameterValue("viewList"));
      }

      public Boolean areCommentsEnabled() {
        return !"no".equalsIgnoreCase(getComponentParameterValue("comments"));
      }

      public Integer getSlideshowWait() {
        String wait = getComponentParameterValue("slideshow");
        final int defaultWait = 5;
        if (wait == null || "null".equalsIgnoreCase(wait) || wait.isEmpty()) {
          wait = "5";
        }
        int iWait = Integer.parseInt(wait);
        if (iWait <= 0) {
          iWait = defaultWait;
        }
        return iWait;
      }

      public String getXMLFormName() {
        String formName = getComponentParameterValue("XMLFormName");
        // contrôle du formulaire et retour du nom si convenable
        if (StringUtil.isDefined(formName)) {
          try {
            String xmlFormShortName =
                formName.substring(formName.indexOf('/') + 1, formName.indexOf('.'));
            getPublicationTemplateManager().getPublicationTemplate(
                getComponentId() + ":" + xmlFormShortName, formName);
          } catch (PublicationTemplateException e) {
            SilverLogger.getLogger(this).silent(e);
            formName = null;
          }
        }
        return formName;
      }

      public void initIndex() {
        indexOfCurrentPage = 0;
      }

      public Collection<Media> search(QueryDescription query) {
        query.setSearchingUser(getUserId());
        query.addComponent(getComponentId());

        Collection<Media> result = new ArrayList<>();
        try {
          result = getMediaService().search(query);
          // mise à jour de la liste
          isSearchResult = true;
        } catch (Exception e) {
          SilverLogger.getLogger(this).warn(e);
        }
        // sauvegarde de la recherche
        setQuery(query);
        setSearchResultListMedia(result);

        // mise à jour du compteur de pagination
        setIndexOfCurrentPage("0");
        return result;
      }

      public void sendAskMedia(String asking) {
        // Envoyer une notification au gestionnaire de la médiathèque concernant la
        // demande de média
        // 1. Création du message
        OrganizationController orga = getOrganisationController();
        UserDetail[] admins = orga.getUsers(getComponentId(), "admin");
        String user = getUserDetail().getDisplayedName();
        String url = URLUtil.getURL(null, getComponentId()) + "Main";

        LocalizationBundle message = ResourceLocator.getLocalizationBundle(MULTILANG_GALLERY_BUNDLE,
            DisplayI18NHelper.getDefaultLanguage());

        String subject = message.getString("gallery.notifAskSubject");
        StringBuilder messageBody = new StringBuilder()
            .append(user).append(" ").append(message.getString("gallery.notifBodyAsk"));

        NotificationMetaData notifMetaData =
            new NotificationMetaData(NotificationParameters.PRIORITY_NORMAL, subject,
                messageBody.toString());

        for (String language : DisplayI18NHelper.getLanguages()) {
          message = ResourceLocator.getLocalizationBundle(MULTILANG_GALLERY_BUNDLE, language);
          subject = message.getString("gallery.notifAskSubject");
          messageBody = new StringBuilder()
              .append(user).append(" ").append(message.getString("gallery.notifBodyAsk"));
          notifMetaData.addLanguage(language, subject, messageBody.toString());
          notifMetaData.addExtraMessage(asking, language);

          Link link = new Link(url, message.getString("gallery.notifApplicationLinkLabel"));
          notifMetaData.setLink(link, language);
        }

        for (UserDetail admin : admins) {
          notifMetaData.addUserRecipient(new UserRecipient(admin));
        }

        // 2. Envoi de la notification aux admins
        notifyUsers(notifMetaData);
      }

      public Collection<String> getListSelected() {
        // restitution de la collection des médias selectionnés

        return listSelected;
      }

      public void clearListSelected() {
        listSelected.clear();
      }

      public List<Media> getRestrictedListMedia() {
        return restrictedListMedia;
      }

      public void setRestrictedListMedia(Collection<Media> restrictedListMedia) {
        this.restrictedListMedia =
            (restrictedListMedia == null ? null : new ArrayList<>(restrictedListMedia));
      }

      public List<Media> getSearchResultListMedia() {
        return searchResultListMedia;
      }

      public void setSearchResultListMedia(Collection<Media> searchResultListMedia) {
        this.searchResultListMedia =
            (searchResultListMedia == null ? null : new ArrayList<>(searchResultListMedia));
      }

      public String getSearchKeyWord() {
        return searchKeyWord;
      }

      public void setSearchKeyWord(String searchKeyWord) {
        this.searchKeyWord = searchKeyWord;
      }

      public boolean getSelect() {
        return select;
      }

      public void setSelect(boolean select) {
        this.select = select;
      }

      public Boolean isPrivateSearch() {
        // retourne true si on utilise le moteur de recherche dédié
        return "yes".equalsIgnoreCase(getComponentParameterValue("privateSearch"));
      }

      public boolean isAlbumAdmin(SilverpeasRole userRole, String albumId, String userId) {
        if (albumId == null) {
          return isAdminOrPublisher(userRole);
        }
        // Retrieve album creator
        AlbumDetail album = getAlbum(albumId);
        return SilverpeasRole.ADMIN == userRole ||
            (SilverpeasRole.PUBLISHER == userRole && album.getCreatorId().equals(userId));
      }

      public boolean isMediaAdmin(SilverpeasRole userRole, String mediaId, String userId) {
        if (mediaId == null) {
          return isAdminOrPublisher(userRole) || userRole == SilverpeasRole.WRITER;
        }
        // retrieve media creator
        Media media = getMedia(mediaId);
        return isAdminOrPublisher(userRole) ||
            (userRole == SilverpeasRole.WRITER && media.getCreatorId().equals(userId));
      }

      public void copySelectedMedia(Collection<String> mediaIds) throws ClipboardException {
        for (String mediaId : mediaIds) {
          copyMedia(mediaId);
        }
      }

      public void cutSelectedMedia(Collection<String> mediaIds) throws ClipboardException {
        for (String mediaId : mediaIds) {
          cutMedia(mediaId);
        }
      }

      public void copyMedia(String mediaId) throws ClipboardException {
        Media media = getMedia(mediaId);
        MediaSelection mediaSelect = new MediaSelection(media);

        addClipboardSelection(mediaSelect);
      }

      public void cutMedia(String mediaId) throws ClipboardException {
        Media media = getMedia(mediaId);
        MediaSelection mediaSelect = new MediaSelection(media);
        mediaSelect.setCutted(true);

        addClipboardSelection(mediaSelect);
      }

      public void copyAlbum(String albumId) throws ClipboardException {
        AlbumDetail album = getAlbum(albumId);
        NodeSelection nodeSelect = new NodeSelection(album);

        addClipboardSelection(nodeSelect);
      }

      public void cutAlbum(String albumId) throws ClipboardException {
        NodeSelection nodeSelect = new NodeSelection(getAlbum(albumId));
        nodeSelect.setCutted(true);

        addClipboardSelection(nodeSelect);
      }

      public void paste() throws ClipboardException {
        try {
          GalleryPasteDelegate delegate = new GalleryPasteDelegate(currentAlbum);

          Collection<ClipboardSelection> clipObjects = getClipboardSelectedObjects();
          for (ClipboardSelection clipObject : clipObjects) {
            if (clipObject.isDataFlavorSupported(MediaSelection.MediaFlavor)) {
              Media media = (Media) clipObject.getTransferData(MediaSelection.MediaFlavor);
              delegate.addMedia(media, clipObject.isCutted());
            }
            if (clipObject.isDataFlavorSupported(NodeSelection.NodeDetailFlavor)) {
              AlbumDetail album =
                  (AlbumDetail) clipObject.getTransferData(NodeSelection.NodeDetailFlavor);
              delegate.addAlbum(album, clipObject.isCutted());
            }
          }

          // Persisting the paste operation
          getMediaService().paste(getUserDetail(), getComponentId(), delegate);

        } catch (Exception e) {
          throw new GalleryRuntimeException(e);
        }
        clipboardPasteDone();
      }

      private long countAllMediaOf(AlbumDetail album) {
        try {
          return getMediaService().countAllMedia(album.getNodePK());
        } catch (Exception e) {
          SilverLogger.getLogger(this).silent(e);
          return 0;
        }
      }

      public void sendAskOrder(String orderId) {
        // Envoyer une notification au gestionnaire pour le prévenir de la demande
        // de l'utilisateur
        // 1. Création du message

        OrganizationController orga = getOrganisationController();
        UserDetail[] admins = orga.getUsers(getComponentId(), "admin");
        String user = getUserDetail().getDisplayedName();
        String url = URLUtil.getURL(null, getComponentId()) + "OrderView?OrderId=" + orderId;

        LocalizationBundle message = ResourceLocator.getLocalizationBundle(MULTILANG_GALLERY_BUNDLE,
            DisplayI18NHelper.getDefaultLanguage());

        String subject = message.getString(SUBJECT_NOTIF);
        StringBuilder messageBody = new StringBuilder()
            .append(user)
            .append(" ")
            .append(message.getString("gallery.orderNotifBodyAsk"))
            .append("\n");

        NotificationMetaData notifMetaData =
            new NotificationMetaData(NotificationParameters.PRIORITY_NORMAL, subject,
                messageBody.toString());

        for (String language : DisplayI18NHelper.getLanguages()) {
          message = ResourceLocator.getLocalizationBundle(MULTILANG_GALLERY_BUNDLE, language);
          subject = message.getString(SUBJECT_NOTIF);
          messageBody = new StringBuilder()
              .append(user)
              .append(" ")
              .append(message.getString("gallery.orderNotifBodyAsk"))
              .append("\n");
          notifMetaData.addLanguage(language, subject, messageBody.toString());

          Link link = new Link(url, message.getString("gallery.notifOrderLinkLabel"));
          notifMetaData.setLink(link, language);
        }

        for (UserDetail admin : admins) {
          notifMetaData.addUserRecipient(new UserRecipient(admin));
        }

        // 2. Envoi de la notification aux admins
        notifyUsers(notifMetaData);
      }

      /**
       * Send notification to reader to alert him that his order has been processed
       *
       * @param orderId the order identifier
       */
      public void sendAskOrderUser(String orderId) {
        Order order = getOrder(orderId);
        String user = getOrganisationController().getUserDetail(order.
            getProcessUserId()).getDisplayedName();
        String url = URLUtil.getURL(null, getComponentId()) + "OrderView?OrderId=" + orderId;

        LocalizationBundle message = ResourceLocator.getLocalizationBundle(MULTILANG_GALLERY_BUNDLE,
            DisplayI18NHelper.getDefaultLanguage());

        String subject = message.getString(SUBJECT_NOTIF);
        StringBuilder messageBody = new StringBuilder()
            .append(user)
            .append(" ")
            .append(message.getString("gallery.orderNotifBodyAskOk"))
            .append("\n");

        NotificationMetaData notifMetaData =
            new NotificationMetaData(NotificationParameters.PRIORITY_NORMAL, subject,
                messageBody.toString());

        for (String language : DisplayI18NHelper.getLanguages()) {
          message = ResourceLocator.getLocalizationBundle(MULTILANG_GALLERY_BUNDLE, language);
          subject = message.getString(SUBJECT_NOTIF);
          messageBody = new StringBuilder()
              .append(user)
              .append(" ")
              .append(message.getString("gallery.orderNotifBodyAskOk"))
              .append("\n");
          notifMetaData.addLanguage(language, subject, messageBody.toString());

          Link link = new Link(url, message.getString("gallery.notifOrderLinkLabel"));
          notifMetaData.setLink(link, language);
        }

        notifMetaData.addUserRecipient(new UserRecipient(String.valueOf(order.getUserId())));

        notifyUsers(notifMetaData);
      }

      /**
       * Add only photo media inside basket
       *
       * @return true if selection contains only photo, false else if
       */
      public boolean addToBasket() {
        boolean isOnlyPhotoSelection = true;
        for (String mediaId : listSelected) {
          if (!basket.contains(mediaId)) {
            Media media = getMediaById(mediaId);
            if (MediaType.Photo.equals(media.getType())) {
              // add only selected photo inside basket (to do : must change List to Set)
              basket.add(mediaId);
            } else {
              isOnlyPhotoSelection = false;
            }
          }
        }
        // clear list of selected media
        clearListSelected();
        return isOnlyPhotoSelection;
      }

      /**
       * Add media identifier given in parameter in basket
       *
       * @param mediaId the media identifier to add
       */
      public void addMediaToBasket(String mediaId) {
        if (!basket.contains(mediaId)) {
          basket.add(mediaId);
        }
      }

      /**
       * Only remove selected photo from basket
       */
      public void deleteSelectedPhotosFromBasket() {
        for (String mediaId : listSelected) {
          basket.remove(mediaId);
        }
        clearListSelected();
      }

      public void deletePhotoFromBasket(String mediaId) {
        basket.remove(mediaId);
      }

      /**
       * Clear basket
       */
      public void clearBasket() {
        basket.clear();
      }

      public List<Media> getBasketMedias() {
        List<Media> medias = new ArrayList<>();
        if (!basket.isEmpty()) {
          for (String mediaId : basket) {
            medias.add(getMediaById(mediaId));
          }
        }
        return medias;
      }

      public Order getOrder(String orderId) {
        return getMediaService().getOrder(orderId, getComponentId());
      }

      public String getCurrentOrderId() {
        return currentOrderId;
      }

      public void setCurrentOrderId(String orderId) {
        currentOrderId = orderId;
      }

      public String addOrder() {
        String orderId = getMediaService().createOrder(basket, getUserId(), getComponentId());
        basket.clear();
        return orderId;
      }

      public void updateOrderRow(String orderId, String mediaId) {
        Order order = getOrder(orderId);
        List<OrderRow> rows = order.getRows();
        for (OrderRow row : rows) {
          if (row.getMediaId().equals(mediaId)) {
            // on est sur la bonne ligne, mettre à jour
            row.setDownloadDecision("T");
            getMediaService().updateOrderRow(row);
          }
        }
      }

      public String getUrl(String orderId, String mediaId) {
        Order order = getOrder(orderId);
        for (OrderRow row : order.getRows()) {
          if (row.getMediaId().equals(mediaId)) {
            return getMediaPhotoUrl(row);
          }
        }
        return StringUtil.EMPTY;
      }

      private String getMediaPhotoUrl(OrderRow row) {
        // on est sur la bonne ligne
        InternalMedia media = getInternalMediaById(row.getMediaId());
        String download = row.getDownloadDecision();

        if (!"T".equals(download)) {
          // le média n'a pas déjà été téléchargé par défaut média sans watermark
          String title = WebEncodeHelper.javaStringToHtmlString(media.getFileName());
          String nomRep = media.getWorkspaceSubFolderName();
          if ("DW".equals(download)) {
            // demande avec Watermark
            title = row.getMediaId() + "_watermark.jpg";
            // regarder si le média existe, sinon prendre celui sans watermark
            String pathFile =
                FileRepositoryManager.getAbsolutePath(getComponentId()) + nomRep + File.separator;
            String watermarkFile = pathFile + title;
            File file = new File(watermarkFile);
            if (!file.exists()) {
              title = WebEncodeHelper.javaStringToHtmlString(media.getFileName());
            }
          }
          return FileServerUtils.getUrl(getComponentId(), getUrlEncodedParameter(title),
              media.getFileMimeType().getMimeType(), nomRep);
        }
        return StringUtil.EMPTY;
      }

      public boolean isAccessAuthorized(String orderId) {
        return getOrder(orderId).getUserId().equals(getUserId());
      }

      public List<MetaData> getMetaDataKeys() {
        List<MetaData> metaDatas = new ArrayList<>();
        SettingBundle settings = ResourceLocator.getSettingBundle(
            "org.silverpeas.gallery.settings.metadataSettings_" + getComponentId());
        if (!settings.exists()) {
          settings = DEFAULT_SETTINGS;
        }
        String display = settings.getString("display");
        Iterable<String> propertyNames = StringUtil.splitString(display, ',');

        for (String value : propertyNames) {
          if (value.startsWith("IPTC_")) {
            String property = settings.getString(value + "_TAG");
            String label = settings.getString(value + "_LABEL");
            label = getMetadataResources().getString(label);
            boolean isSearch = StringUtil.getBooleanValue(settings.getString(value + "_SEARCH"));
            if (isSearch) {
              setMetadata(metaDatas, settings, value, property, label);
            }
          }
        }
        return metaDatas;
      }

      private void setMetadata(final List<MetaData> metaDatas, final SettingBundle settings,
          final String value, final String property, final String label) {
        boolean isDate = StringUtil.getBooleanValue(settings.getString(value + "_DATE"));
        MetaData metaData = new MetaData();
        metaData.setProperty(property);
        metaData.setDate(isDate);
        metaData.setLabel(label);
        // rechercher sa valeur dans la query (résultat de la recherche)
        List<FieldDescription> metadataValue = query.getMultiFieldQuery();
        if (metadataValue != null) {
          for (FieldDescription field : metadataValue) {
            if (field.getFieldName().equals("IPTC_" + metaData.getProperty())) {
              metaData.setValue(field.getContent());
            }

          }
        }
        // ajout de cette metadata à la liste
        metaDatas.add(metaData);
      }

      public void updateOrder(Order order) {
        getMediaService().updateOrder(order);
      }

      public List<Order> getAllOrders() {
        return getMediaService().getAllOrders("-1", getComponentId());
      }

      public List<Order> getOrdersByUser() {
        return getMediaService().getAllOrders(getUserId(), getComponentId());
      }

      public String getOrderForm() {
        return getComponentParameterValue("XMLOrderFormName");
      }

      public String getCharteUrl() {
        String url = getComponentParameterValue("UrlCharte");
        if (!StringUtil.isDefined(url)) {
          url = "";
        }
        return url;
      }

      public Boolean isBasket() {
        return isOrder();
      }

      public Boolean isGuest() {
        return getUserDetail().isAccessGuest();
      }

      public Boolean isAnonymous() {
        return getUserDetail().isAnonymous();
      }

      public Boolean isOrder() {
        return !isGuest() && !isAnonymous() && StringUtil.getBooleanValue(getComponentParameterValue(
            "order"));
      }

      public boolean isViewNotVisible() {
        return isViewNotVisible;
      }

      public boolean isExportEnable() {
        String exportParam = getComponentParameterValue("exportImages");
        return ExportOptionValue.YES_ALL.name().equalsIgnoreCase(exportParam) ||
            (ExportOptionValue.YES_PUBLISHER.name().equalsIgnoreCase(exportParam) &&
                getHighestSilverpeasUserRole().isGreaterThanOrEquals(SilverpeasRole.PUBLISHER));
      }

      public void setViewNotVisible(boolean isViewNotVisible) {
        this.isViewNotVisible = isViewNotVisible;
      }

      public boolean isSearchResult() {
        return isSearchResult;
      }

      public void setSearchResult(boolean isSearchResult) {
        this.isSearchResult = isSearchResult;
      }

      public QueryDescription getQuery() {
        return query;
      }

      public void setQuery(QueryDescription query) {
        this.query = query;
      }

      public void setPDCSearchContext(SearchContext context) {
        pdcSearchContext = context;
      }

      public SearchContext getPDCSearchContext() {
        return pdcSearchContext;
      }

      public void setXMLSearchContext(DataRecord data) {
        xmlSearchContext = data;
      }

      public DataRecord getXMLSearchContext() {
        return xmlSearchContext;
      }

      public void clearSearchContext() {
        setQuery(new QueryDescription());
        setXMLSearchContext(null);
        setPDCSearchContext(null);
      }

      private boolean isAdminOrPublisher(SilverpeasRole userRole) {
        return userRole.isGreaterThanOrEquals(SilverpeasRole.PUBLISHER);
      }

      /**
       * Gets an instance of PublicationTemplateManager.
       *
       * @return an instance of PublicationTemplateManager.
       */
      private PublicationTemplateManager getPublicationTemplateManager() {
        return PublicationTemplateManager.getInstance();
      }

      /**
       * Sets for each of the specified album the total number of media it contains.
       * @param albums a collection of albums.
       * @return the collection of the specified albums enriched with the number of media they have.
       */
      public Collection<AlbumDetail> addNbMedia(Collection<AlbumDetail> albums) {
        for (AlbumDetail album : albums) {
          long nbMedia = countAllMediaOf(album);
          album.setNbMedia(nbMedia);
        }
        return albums;
      }

      public void notifyUsers(NotificationMetaData notifMetaData) {
        try {
          notifMetaData.setSender(getUserId());
          notifMetaData.setComponentId(getComponentId());
          NotificationSender notifSender = new NotificationSender(getComponentId());
          notifSender.notifyUser(notifMetaData);
        } catch (NotificationException e) {
          throw new GalleryRuntimeException(e);
        }
      }

      /**
       * Gets a media from the specified identifier.
       *
       * @param mediaId the unique identifier of the media.
       * @return the instance of the media behind the specified identifier
       * @throws WebApplicationException with Response.Status.NOT_FOUND if the media isn't found
       */
      private Media getMediaById(String mediaId) {
        Media media = getMediaService().getMedia(new MediaPK(mediaId, getComponentId()));
        if (media == null) {
          throw new WebApplicationException(Response.Status.NOT_FOUND);
        }
        return media;
      }

      /**
       * Gets the internal media from the specified identifier.
       *
       * @param mediaId the unique identifier of the media.
       * @return the instance of the media behind the specified identifier.
       * @throws WebApplicationException with Response.Status.NOT_FOUND if the media isn't found
       */
      private InternalMedia getInternalMediaById(String mediaId) {
        Media media = getMediaService().getMedia(new MediaPK(mediaId, getComponentId()));
        if (media instanceof InternalMedia) {
          return (InternalMedia) media;
        }
        throw new WebApplicationException(Response.Status.NOT_FOUND);
      }

      /**
       * Export all pictures from an album with the given resolution
       *
       * @param albumId the unique identifier of the album.
       * @param mediaResolution the resolution with which the images will be exported.
       * @return the report about the export.
       */
      public ExportReport exportAlbum(String albumId, MediaResolution mediaResolution)
          throws ExportException {
        ExportReport exportReport = new ExportReport();
        if (isExportEnable() && StringUtil.isDefined(albumId)) {
          // Create export folder then apply each picture from this folder
          ImportExportDescriptor exportDesc =
              new ExportDescriptor().withParameter(GalleryExporter.EXPORT_FOR_USER, getUserDetail())
                      .
                  withParameter(GalleryExporter.EXPORT_ALBUM, getAlbum(albumId))
                  .withParameter(GalleryExporter.EXPORT_RESOLUTION, mediaResolution);
          aGalleryExporter().exportAlbum(exportDesc, exportReport);
        }
        return exportReport;
      }

      /**
       * Gets an exporter of galleries.
       *
       * @return a gallery exporter instance.
       */
      public static GalleryExporter aGalleryExporter() {
        return new GalleryExporter();
      }

      /**
       * Export all selected images in the basket with the given resolution
       *
       * @param mediaResolution the resolution with which the media will be exported.
       */
      public ExportReport exportSelection(MediaResolution mediaResolution) throws ExportException {
        ExportReport exportReport = new ExportReport();
        if (isExportEnable() && !basket.isEmpty()) {
          // Create export folder then apply each picture from this folder
          ImportExportDescriptor exportDesc =
              new ExportDescriptor().withParameter(GalleryExporter.EXPORT_FOR_USER, getUserDetail())
                  .withParameter(GalleryExporter.EXPORT_RESOLUTION, mediaResolution);
          List<Media> medias = new ArrayList<>();
          for (String photoId : basket) {
            medias.add(getMediaById(photoId));
          }
          aGalleryExporter().exportPhysicalMedias(exportDesc, medias, exportReport);
        }
        return exportReport;
      }

      /**
       * Get the resolution preview of images
       *
       * @return the image resolution on preview
       */
      public MediaResolution getImagePreviewSize() {
        String previewSize = getComponentParameterValue("previewSize");
        if ("600x400".equals(previewSize)) {
          return MediaResolution.LARGE;
        } else if ("266x150".equals(previewSize)) {
          return MediaResolution.MEDIUM;
        } else if ("133x100".equals(previewSize)) {
          return MediaResolution.SMALL;
        }
        return MediaResolution.LARGE;
      }

      /**
       * Get the resolution preview of the media.
       *
       * @param media the media
       * @return the media resolution on preview.
       */
      public MediaResolution getImageResolutionPreview(Media media) {
        SilverpeasRole highestUserRole = this.getHighestSilverpeasUserRole();
        if (highestUserRole.isGreaterThanOrEquals(SilverpeasRole.PUBLISHER) ||
            (highestUserRole == SilverpeasRole.WRITER &&
                media.getCreatorId().equals(this.getUserId()))) {
          return MediaResolution.PREVIEW;
        } else {
          return getImagePreviewSize();
        }
      }

      public PublicationTemplate getTemplate() throws PublicationTemplateException {
        final String formName = getXMLFormName();
        return getTemplate(formName == null ? "" : formName);
      }

      public PublicationTemplate getOrderTemplate() throws PublicationTemplateException {
        return getTemplate(getOrderForm());
      }

      private PublicationTemplate getTemplate(String fileName) throws PublicationTemplateException {
        PublicationTemplate pub = null;
        if (StringUtil.isDefined(fileName)) {
          String xmlFormShortName =
              fileName.substring(fileName.indexOf('/') + 1, fileName.indexOf('.'));
          String registerId = getComponentId() + ":" + xmlFormShortName;
          final String sessionCacheKey = this.getClass().getName() + registerId;
          SimpleCache sessionCache = getSessionCacheAccessor().getCache();
          if (sessionCache.get(sessionCacheKey) == null) {
            getPublicationTemplateManager().addDynamicPublicationTemplate(registerId, fileName);
            sessionCache.put(sessionCacheKey, registerId);
          }
          pub = getPublicationTemplateManager().getPublicationTemplate(registerId);
        }
        return pub;
      }

      public String manageComponentSubscriptions() {
        final SubscriptionContext subscriptionContext = getSubscriptionContext();
        subscriptionContext.initialize(ComponentSubscriptionResource.from(getComponentId()));
        return subscriptionContext.getDestinationUrl();
      }

      public String manageAlbumSubscriptions() {
        final SubscriptionContext subscriptionContext = getSubscriptionContext();
        final NodePK albumPK = currentAlbum.getNodePK();
        final List<NodeDetail> albumPath = getPath(albumPK);
        albumPath.remove(0);
        subscriptionContext.initialize(NodeSubscriptionResource.from(albumPK))
            .atLocation(new Location(albumPK.getId(), albumPK.getInstanceId()))
            .withNodePath(albumPath);
        return subscriptionContext.getDestinationUrl();
      }
    }