<?php

/*
OneLobby
Copyright (C) 2007 Peter Goodman, Geoffrey Goodman

This program 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 2
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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

class WallController extends k4PageController 
{
	function getPreFilters() 
	{
		return array('request', 'session', 'user', 'debug_pre', 'template', 'header');
	}
	
	function getPostFilters() 
	{
		return array('user_post', 'history_post'); // , 'debug_post'
	}
	
	function getRoutes()
	{
		return array(
					'create' => '/create/:user_id/:user_name',
					'delete' => '/delete/:post_id',
					'to' => '/to/wall/:user_id/:poster_id',
					'viewall' => '/viewall/:user_id/:user_name',
					);
	}
	
	//--------------------------------------------
	// Index action, does nothing :P
	//--------------------------------------------
	
	function index(&$reg, &$req, &$resp)
	{
		$this->checkLogin($reg, $req, $resp);
		
		$user = &$reg->get('user');
		$this->redirect('/profile/'. $user->getId() .'/'. $user->get('name') .'/');
	}
	
	//--------------------------------------------
	// Some generic things used in wall posts.
	//--------------------------------------------
	
	function &_genericWallStuff(&$reg, &$req, &$resp, $quick = FALSE)
	{
		$info = &new InformationDisplay($reg, $req, $resp);
		$user = &$reg->get('user');
		
		//--------------------------------------------
		// Check that the user we are posting to exists.
		//--------------------------------------------
		
		if($req->get('user_id') == $user->getId())
		{
			$member = &$user;
		}
		else
		{
			$finder = &$this->getFinder('users');
			$member = &$finder->find($req->get('user_id'));
		
			if($member === NULL)
			{
				if($quick)
				{
					exit();
				}
				else
				{
					$info->text("That user doesn't exist!");
				}
			}
		}
		
		return $member;
	}
	
	//--------------------------------------------
	// Create a wall post.
	//--------------------------------------------
	
	function create(&$reg, &$req, &$resp)
	{
		$this->checkLogin($reg, $req, $resp);
		
		$info = &new InformationDisplay($reg, $req, $resp);
		$user = &$reg->get('user');
		
		//--------------------------------------------
		// Get the user.
		//--------------------------------------------
		
		$member = &$this->_genericWallStuff($reg, $req, $resp, FALSE);
		
		//--------------------------------------------
		// Finish up with all the usual template junk :D
		//--------------------------------------------
		
		$resp->assignRef('member', $member);
		$resp->assign('content', 'wall_create_form.html');
		$this->setPage("Post to Wall: ". $member->get('name'));
		$this->setLayout('forum_base.html');
	}
	
	//--------------------------------------------
	// Save a wall post.
	//--------------------------------------------
	
	function _save(&$reg, &$req, &$resp, $quick = FALSE)
	{
		$this->checkLogin($reg, $req, $resp);
		
		if($quick)
		{
			$this->checkXHR();
		}
		
		$info = &new InformationDisplay($reg, $req, $resp);
		$user = &$reg->get('user');
		
		//--------------------------------------------
		// Create the post...
		//--------------------------------------------
		
		$finder = &$this->getFinder('wall_posts');
		$post = &$finder->createRecord();
		
		//--------------------------------------------
		// Get the user.
		//--------------------------------------------
		
		$member = &$this->_genericWallStuff($reg, $req, $resp, $quick);
		
		$created = time();
		
		//--------------------------------------------
		// Parse the bbcode in the revision's body.
		//--------------------------------------------
		
		$req->registerFilter('body', new K4BBParserFilter);
		$text = trim($req->get('body'));
		
		if($text == '')
		{
			if(!$edit)
			{
				$info->text("You didn't write anything to post to this persons wall!");
			}
			else
			{
				exit();
			}
		}
		
		//--------------------------------------------
		// Set the wall post info.
		//--------------------------------------------
		
		$post->set('user_id', $member->getId());
		$post->set('poster_id', $user->getId());
		$post->set('private', $req->get('private') == 1 ? 1 : 0);
		$post->set('created', $created);
		$post->set('body', $text);
		$post->save();
		
		//--------------------------------------------
		// Update the user that we are posting to.
		//--------------------------------------------
		
		$finder = &$this->getFinder('users');
		$finder->updateWhere("num_new_wall_posts=num_new_wall_posts+1, last_wall_post=?", "user_id=?", array($created, $member->getId()));
	
		//--------------------------------------------
		// Done!
		//--------------------------------------------
		
		if($quick)
		{
			$post->set('poster_name', $user->get('name'));
			
			//--------------------------------------------
			// Do all the template junk.
			//--------------------------------------------
			
			$resp->assign('row_class', 'row1');
			$resp->assignRef('post', $post);
			$this->setLayout('wall_post_view.html');
		}
		else
		{
			$this->redirect('/profile/'. $member->getId() .'/'. $member->get('name') .'/');
		}
	}
	
	//--------------------------------------------
	// Save a wall post.
	//--------------------------------------------
	
	function save(&$reg, &$req, &$resp)
	{
		$this->_save($reg, $req, $resp, FALSE);
	}
	
	//--------------------------------------------
	// Quick save a wall post.
	//--------------------------------------------
	
	function quicksave(&$reg, &$req, &$resp)
	{
		$this->_save($reg, $req, $resp, TRUE);
	}
	
	//--------------------------------------------
	// Delete all wall posts.
	//--------------------------------------------
	
	function deleteall(&$reg, &$req, &$resp)
	{
		$this->checkLogin($reg, $req, $resp);
		
		$info = &new InformationDisplay($reg, $req, $resp);
		$user = &$reg->get('user');
		
		//--------------------------------------------
		// Delete the posts.
		//--------------------------------------------
		
		$finder = &$this->getFinder('wall_posts');
		$finder->deleteWhere("user_id=?", array($user->getId()));
		
		//--------------------------------------------
		// Update this user's profile.
		//--------------------------------------------
		
		$user->set('num_new_wall_posts', 0);
		$user->set('last_wall_view', time());
		$user->set('last_wall_post', 0);
		
		$user->save();
		
		//--------------------------------------------
		// Done, redirect the user.
		//--------------------------------------------
		
		$this->redirect($this->popReferer());
	}
	
	//--------------------------------------------
	// Delete a single wall post.
	//--------------------------------------------
	
	function delete(&$reg, &$req, &$resp)
	{
		$this->checkLogin($reg, $req, $resp);
		
		$info = &new InformationDisplay($reg, $req, $resp);
		$user = &$reg->get('user');
		
		//--------------------------------------------
		// Get the post.
		//--------------------------------------------
		
		$finder = &$this->getFinder('wall_posts');
		$post = &$finder->findWhere("wp.post_id=? AND wp.user_id=?", array($req->get('post_id'), $user->getId()));
		
		if($post === NULL)
		{
			$info->text("The wall post that you are trying to delete doesn't exist on your wall.");
		}
		
		//--------------------------------------------
		// Delete the post.
		//--------------------------------------------
		
		$finder->deleteWhere("user_id=? AND post_id=?", array($user->getId(), $post->getId()));
		
		//--------------------------------------------
		// Do we update the user?
		//--------------------------------------------
		
		if($post->get('created') > $user->get('last_wall_view'))
		{
			//--------------------------------------------
			// We use the finder instead of the user object
			// just because I want a bit more flexibility with
			// the update.
			//--------------------------------------------
			
			$finder = &$this->getFinder('users');
			$finder->updateWhere("num_new_wall_posts=num_new_wall_posts-1", "num_new_wall_posts>0 AND user_id=?", array($user->getId()));
		}
		
		//--------------------------------------------
		// We're done, redirect...
		//--------------------------------------------
		
		$this->redirect($this->popReferer());
	}
	
	//--------------------------------------------
	// Wall-to-wall. :D
	//--------------------------------------------
	
	function to(&$reg, &$req, &$resp)
	{
		$info = &new InformationDisplay($reg, $req, $resp);
		$user = &$reg->get('user');
		
		$finder = &$this->getFinder('users');
		
		//--------------------------------------------
		// Get the two users for the wall-to-wall.
		//--------------------------------------------
		
		$member = &$finder->find($req->get('user_id'));
		$poster = &$finder->find($req->get('poster_id'));
		
		if($member === NULL || $poster == NULL)
		{
			$info->text("One of the users in the wall-to-wall doesn't seem to exist.");
		}
		
		//--------------------------------------------
		// Get the posts.
		//--------------------------------------------
		
		$extra = $member->getId() == $user->getId() || $poster->getId() == $user->getId() ? ' AND wp.private<=1' : ' AND wp.private=0';
		
		$finder = &$this->getFinder('wall_posts');
		$posts = &$finder->findAllWhere('((wp.user_id=? AND wp.poster_id=?) OR (wp.user_id=? AND wp.poster_id=?))'. $extra, array($member->getId(), $poster->getId(), $poster->getId(), $member->getId()), 'created DESC');
		
		//--------------------------------------------
		// Finish up with all the template junk.
		//--------------------------------------------
		
		$resp->assignRef('wall_posts', $posts);
		$resp->assignRef('member', $member);
		$resp->assignRef('poster', $poster);
		$resp->assign('content', 'wall_to_wall.html');
		$this->setPage("Wall-to-Wall: ". $member->get('name') .' and '. $poster->get('name'));
		$this->setLayout('forum_base.html');
	}
	
	//--------------------------------------------
	// View all of the wall posts at once, in one big
	// long list.
	//--------------------------------------------
	
	function viewall(&$reg, &$req, &$resp)
	{	
		$info = &new InformationDisplay($reg, $req, $resp);
		$user = &$reg->get('user');
		
		//--------------------------------------------
		// Get the user.
		//--------------------------------------------
		
		$member = &$this->_genericWallStuff($reg, $req, $resp, $quick);
		
		//--------------------------------------------
		// Get the wall posts.
		//--------------------------------------------
		
		$finder = &$this->getFinder('wall_posts');
		$posts = &$finder->findAllWhere("wp.user_id=? AND wp.private ". ($user->getId() == $member->getId() ? '<=' : '<') ." 1", array($member->getId()), 'created DESC');
		
		//--------------------------------------------
		// Update this user's number of new wall posts if
		// they have them. I use the users finder with
		// updateWhere so that in the template I can still
		// show a 'new' icon beside the new posts :D
		//--------------------------------------------
		
		if($user->getId() == $member->getId() && $user->get('num_new_wall_posts') > 0)
		{
			$finder = &$this->getFinder('users');
			$finder->updateWhere("num_new_wall_posts=0,last_wall_view=?", "user_id=?", array(time(), $user->getId()));
		}
		
		//--------------------------------------------
		// The usual template junk :D
		//--------------------------------------------
		
		$resp->assign('wall_viewing_all', 1);
		$resp->assignRef('wall_posts', $posts);
		$resp->assignRef('member', $member);
		$resp->assign('content', 'wall_view_all.html');
		$this->setPage("Wall Posts: ". $member->get('name'));
		$this->setLayout('forum_base.html');
	}
}

?>