AttachFiles.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2022 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * 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.
 *
 * 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 <http://www.gnu.org/licenses/>.
 */
 
package org.turro.file.util;
 
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import org.turro.elephant.context.ElephantContext;
import org.turro.file.Document;
import org.turro.file.Folder;
 
public class AttachFiles {
 
  public void toFolder(Folder folder) {
    folder.ensure();
    publishableDocs().forEach(doc -> doc.copyTo(folder));
  }
  
  public void remove() {
    removePublishable();
    removePrivate();
  }
  
  public void removePublishable() {
    getPublishableFolder().remove();
  }
  
  public void removePrivate() {
    getPrivateFolder().remove();
  }
  
  public List<Document> publishableDocs() {
    try {
      return getPublishableFolder().documents(1000);
    } catch (IOException ex) {
      Logger.getLogger(AttachFiles.class.getName()).log(Level.SEVERE, null, ex);
    }
    return Collections.EMPTY_LIST;
  }
 
  public List<Document> privateDocs() {
    try {
      return getPrivateFolder().documents(1000);
    } catch (IOException ex) {
      Logger.getLogger(AttachFiles.class.getName()).log(Level.SEVERE, null, ex);
    }
    return Collections.EMPTY_LIST;
  }
 
  /* Folders */
  
  private Folder getPublishableFolder() {
    return Folder.from(ElephantContext.getRealPath("/_internal/files" + path));
  }
 
  private Folder getPrivateFolder() {
    return Folder.from(ElephantContext.getRealPath("/WEB-INF/files" + path));
  }
  
  /* Utils */
  
  public static Set<String> getAllPublishablePaths(String root) {
    try {
      Folder folder = AttachFiles.from("/" + root).getPublishableFolder();
      if(folder.exists()) {
        return folder.folders().stream()
                .map(f -> "/" + root + "/" + f.name()).collect(Collectors.toSet());
      }
    } catch (IOException ex) {
      Logger.getLogger(AttachFiles.class.getName()).log(Level.SEVERE, null, ex);
    }
    return Collections.EMPTY_SET;
  }
  
  public static Set<String> getAllPrivatePaths(String root) {
    try {
      Folder folder = AttachFiles.from("/" + root).getPrivateFolder();
      if(folder.exists()) {
        return folder.folders().stream()
                .map(f -> "/" + root + "/" + f.name()).collect(Collectors.toSet());
      }
    } catch (IOException ex) {
      Logger.getLogger(AttachFiles.class.getName()).log(Level.SEVERE, null, ex);
    }
    return Collections.EMPTY_SET;
  }
  
  /* Factory */
  
  public static AttachFiles from(String path) {
    return new AttachFiles(path);
  }
  
  private final String path;
  
  private AttachFiles(String path) {
    this.path = path;
  }
  
}