ElephantProcessor.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.parser.wiki;
 
import java.io.File;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.turro.action.Contacts;
import org.turro.elephant.context.IConstructor;
import org.turro.file.Folder;
import org.turro.marker.ElephantMarker;
import org.turro.plugin.contacts.IContact;
import org.turro.string.Strings;
 
public class ElephantProcessor implements IMacroProcessor {
 
  @Override
  public String expand(IConstructor constructor, IContact contact, String name, Map<String, String> pars) {
    if(contact == null) contact = constructor.getUser();
    String template = locateTemplate(constructor, name);
    if(!Strings.isBlank(template)) {
      ElephantMarker marker = new ElephantMarker(constructor);
      marker.put("help", false);
      marker.put("end", name.startsWith("/"));
      marker.putAll(pars);
      marker.put("contact", checkContact(contact, pars));
      return marker.parse(TMPL_ROOT, template);
    }
    return null;
  }
 
  @Override
  public String help(IConstructor constructor, String name) {
    String template = locateTemplate(constructor, name);
    if(!Strings.isBlank(template)) {
      ElephantMarker marker = new ElephantMarker(constructor);
      marker.put("help", true);
      marker.put("end", false);
      return marker.parse(TMPL_ROOT, template);
    }
    return null;
  }
 
  /* Template */
  
  private static final String TMPL_ROOT = "widgets/mwiki";
  
  @Override
  public Set<String> locateNames(IConstructor constructor) {
    Folder root = Folder.from(ElephantMarker.templateRoot(constructor, false) + "/" + TMPL_ROOT);
    Set<String> names = new TreeSet<>();
    if(root.exists()) {
      try {
        root.documents("*Template.html").forEach(d -> {
          names.add(d.name().replace("Template.html", ""));
        });
      } catch (IOException ex) {
        Logger.getLogger(ElephantProcessor.class.getName()).log(Level.SEVERE, null, ex);
      }
    }
    return names;
  }
 
  private String locateTemplate(IConstructor constructor, String name) {
    if(name.startsWith("/")) name = name.substring(1);
    File file = ElephantMarker.fileTemplate(constructor, false, TMPL_ROOT, name);
    return file.exists() ? name : null;
  }
 
  private IContact checkContact(IContact contact, Map<String, String> pars) {
    if(pars.containsKey("contact")) {
      return Contacts.getContactById(pars.get("contact"));
    }
    return contact;
  }
 
}