Print.java

/*

    This file is part of OpenMyEWB.

    OpenMyEWB is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenMyEWB 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with OpenMyEWB.  If not, see <http://www.gnu.org/licenses/>.

    OpenMyEWB is Copyright 2005-2009 Nicolas Kruchten (nicolas@kruchten.com), Francis Kung, Engineers Without Borders Canada, Michael Trauttmansdorff, Jon Fishbein, David Kadish

*/

package ca.myewb.controllers.home;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.velocity.context.Context;

import ca.myewb.frame.Controller;
import ca.myewb.frame.Permissions;
import ca.myewb.frame.RedirectionException;
import ca.myewb.model.PostModel;


public class Print extends Controller
{
	public void handle(Context ctx) throws Exception
	{
		// Very simple post page, with no fixed-width stuff and graphics, so that it will print nicely.
		// We also open it in a popup to run through the Babelfish translator.
		urlParams.processParams(new String[]{"postId", "showReplies"},
		                        new String[]{"0", "no"});

		// Retrieve requested post
		PostModel p = (PostModel)getAndCheckFromUrl(PostModel.class);

		urlParams.processParams(new String[]{"isRegular"},
		                        new String[]{"associate"});

		if (!Permissions.canReadPost(currentUser, p))
		{
			if (currentUser.getUsername().equals("guest"))
			{
				setInterpageVar("requestedURL",
				                path + "/home/ShowPost/" + urlParams.getParam());
				setSessionMessage(("Please sign in to see the post you requested"));
				throw new RedirectionException(path + "/home/SignIn");
			}

			if(p.getPoster().equals(currentUser))
			{
				throw getSecurityException("You wrote this post, " +
						"but no longer belong to the group to which it was posted, so" +
						" you may not view it in full or reply to it. " +
						"This is a system limitation, sorry!",
                        path + "/home/Posts");
			}
			else
			{
				throw getSecurityException("You can't see that post!",
                        path + "/home/Posts");
			}
		}

		log.debug("Displaying simplified post: " + urlParams.getParam());

		if (p.getParent() != null)
		{
			throw new RedirectionException(path + "/home/ShowPost/"
			                               + p.getParent().getId());
		}

		ctx.put("post", p);
		ctx.put("printable", true);

		if (urlParams.get("showReplies").equals("replies"))
		{
			List replies = null;
			replies = hibernateSession.createQuery("FROM PostModel WHERE parent=? ORDER BY date ASC")
			          .setInteger(0, p.getId()).list();
			ctx.put("replies", replies);
		}

		log.debug("Done");
	}

	public Set<String> invisibleGroups()
	{
		Set<String> s = new HashSet<String>();
		s.add("Org");

		return s;
	}

	public String displayName()
	{
		return "Print Post";
	}
}