/*
 * ====================================================================
 * Copyright (c) 2005-2012 sventon project. All rights reserved.
 *
 * This software is licensed as described in the file LICENSE, which
 * you should have received as part of this distribution. The terms
 * are also available at http://www.sventon.org.
 * If newer versions of this license are posted there, you may use a
 * newer version instead, at your option.
 * ====================================================================
 */
package org.sventon.web.ctrl.template;

import org.springframework.validation.BindException;
import org.springframework.web.servlet.ModelAndView;
import org.sventon.SVNConnection;
import org.sventon.model.DirEntry;
import org.sventon.model.DirEntrySorter;
import org.sventon.web.UserRepositoryContext;
import org.sventon.web.command.BaseCommand;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.*;

/**
 * Controller used when flatting directory structure.
 *
 * @author jesper@sventon.org
 */
public final class FlattenController extends AbstractTemplateController {

  @Override
  protected ModelAndView svnHandle(final SVNConnection connection, final BaseCommand command,
                                   final long headRevision, final UserRepositoryContext userRepositoryContext,
                                   final HttpServletRequest request, final HttpServletResponse response,
                                   final BindException exception) throws Exception {

    final List<DirEntry> entries = Collections.checkedList(new ArrayList<DirEntry>(), DirEntry.class);

    logger.debug("Flattening directories below: " + command.getPath());
    entries.addAll(getCache().findDirectories(command.getName(), command.getPath()));
    logger.debug(entries.size() + " entries found");

    final Map<String, Object> model = new HashMap<String, Object>();

    logger.debug("Sort params: " + userRepositoryContext.getSortType().name() + ", " + userRepositoryContext.getSortMode());
    new DirEntrySorter(userRepositoryContext.getSortType(), userRepositoryContext.getSortMode()).sort(entries);

    model.put("dirEntries", entries);
    model.put("isFlatten", true);  // Indicates that path should be shown in browser view.
    return new ModelAndView(getViewName(), model);
  }
}