/plugins/content/jfusion.php

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<?php
/**
* @package JFusion
* @subpackage Plugin_Discussbot
* @author JFusion development team
* @copyright Copyright (C) 2008 JFusion. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
*/

// no direct access
defined('_JEXEC' ) or die('Restricted access' );

/**
* Load the JFusion framework
*/
jimport('joomla.plugin.plugin');
require_once(JPATH_ADMINISTRATOR .DS.'components'.DS.'com_jfusion'.DS.'models'.DS.'model.factory.php');
require_once(JPATH_ADMINISTRATOR .DS.'components'.DS.'com_jfusion'.DS.'models'.DS.'model.jfusionpublic.php');

JPlugin::loadLanguage( 'plg_content_jfusion', JPATH_ADMINISTRATOR );

/**
* @package JFusion
*/
class plgContentJfusion extends JPlugin
{
    var $params = false;
    var $mode = '';
    var $valid = false;
    var $jname = '';
    var $creationMode = '';
    var $template = 'default';
    var $article = '';
    var $replyCount = false;
    var $output = array();
    var $dbtask = '';
    var $ajaxRequest = 0;
    var $validity_reason = '';
    var $thread_status = '';
    var $manual_plug = false;
    var $manual_threadid = 0;
    var $debug_mode = 0;
    var $debug_output = array();
    var $clear_debug_output = true;

    /**
    * Constructor
    *
    * For php4 compatability we must not use the __constructor as a constructor for
    * plugins because func_get_args ( void ) returns a copy of all passed arguments
    * NOT references. This causes problems with cross-referencing necessary for the
    * observer design pattern.
    */
    function plgContentJfusion(&$subject, $params)
    {
        parent::__construct($subject, $params);

        //make sure Joomla's content helper is loaded
        if (!class_exists('ContentHelperRoute')) {
            require_once JPATH_SITE . DS . 'components' . DS . 'com_content' . DS . 'helpers' . DS . 'route.php';
        }

        //retrieve plugin software for discussion bot
        if ($this->params===false) {
            $this->params = new JParameter( $params->params);
        }

        $this->jname =& $this->params->get('jname',false);

        //determine what mode we are to operate in
        if ($this->params->get("auto_create",0)) {
            $this->mode = ($this->params->get("test_mode",1)) ? 'test' : 'auto';
        } else {
            $this->mode = 'manual';
        }

        $this->creationMode =& $this->params->get('create_thread','load');

        $this->debug_mode = JRequest::getInt('debug_discussionbot',0);
        //$this->debug_mode = 1;

        if ($this->debug_mode) {
            $session =& JFactory::getSession();
            $this->debug_output = $session->get('jfusion.discussion.debug',false);
            if ($this->debug_output!==false) {
                $this->clear_debug_output = false;
            }
            $session->clear('jfusion.discussion.debug');
            if (!is_array($this->debug_output)) $this->debug_output = array();
        }
    }


    function onAfterContentSave(&$subject, $isNew) {
        //check to see if a valid $content object was passed on
        if (!is_object($subject)){
            JFusionFunction::raiseWarning($this->jname . ' ' . JText::_('DISCUSSBOT_ERROR'), JText::_('NO_CONTENT_DATA_FOUND'), 1);
            return false;
        }

        $this->article =& $subject;

        //make sure there is a plugin
        if (empty($this->jname)) {
            return false;
        }

        $this->_debug('onAfterContentSave called');

        //validate the article
        $this->thread_status = $this->_get_thread_status();
        $this->valid = $this->_validate(true);
        $this->_debug('Validity: ' . $this->valid . "; " . $this->validity_reason);

        //ignore auto mode if the article has been manually plugged
        $manually_plugged = preg_match('/\{jfusion_discuss (.*)\}/U', $this->article->introtext . $this->article->fulltext);

        $this->_debug('Checking mode...');
        if ($this->mode=='auto' && empty($manually_plugged)) {
            $this->_debug('In auto mode');

            if ($this->valid) {
                $threadinfo =& $this->_get_thread_info();
                $JFusionForum =& JFusionFactory::getForum($this->jname);
                $forumid = $JFusionForum->getDefaultForum($this->params, $this->article);

                if (($this->creationMode=='load') ||
                    ($this->creationMode=='new' && ($isNew || (!$isNew && $this->thread_status))) ||
                    ($this->creationMode=='reply' && $this->thread_status)) {

                    //update/create thread
                    $status = $this->_check_thread_exists();

                } else {
                    $this->_debug('Article did not meet requirements to update/create thread');
                }
            } elseif ($this->creationMode=='new' && $isNew) {
                $this->_debug('Failed validity test but creationMode is set to new and this is a new article');

                $mainframe = & JFactory::getApplication();
                $publishUp = JFactory::getDate($this->article->publish_up)->toUnix();
                $now = JFactory::getDate('now', $mainframe->getCfg('offset'))->toUnix();
                if ($now < $publish_up || !$this->article->state) {
                    $this->_debug('Article set to be published in the future or is unpublished thus creating an entry in the database so that the thread is created when appropriate.');

                    //the publish date is set for the future so create an entry in the
                    //database so that the thread is created when the publish date arrives
                    $placeholder = new stdClass();
                    $placeholder->threadid = 0;
                    $placeholder->forumid = 0;
                    $placeholder->postid = 0;
                    JFusionFunction::updateDiscussionBotLookup($this->article->id, $placeholder, $this->jname);
                }
            }
        } elseif ($this->mode=='test' && empty($manually_plugged)) {
            //recheck validity without stipulation
            $this->valid = $this->_validate();
            $this->_debug('In test mode thus not creating the article');
            $threadinfo =& $this->_get_thread_info();
            $JFusionForum =& JFusionFactory::getForum($this->jname);
            $content = "<u>" . $this->article->title . "</u><br />";
            if (!empty($threadinfo)) {
                $content .= JText::_('DISCUSSBOT_TEST_MODE') . "<img src='".JFusionFunction::getJoomlaURL()."plugins/content/discussbot/images/check.png' style='margin-left:5px;'><br/>";
                if ($threadinfo->published) {
                    $content .= JText::_('STATUS') . ": " . JText::_('INITIALIZED_AND_PUBLISHED') . "<br />";
                } else {
                    $content .= JText::_('STATUS') . ": " . JText::_('INITIALIZED_AND_UNPUBLISHED') . "<br />";
                }
                $content .= JText::_('THREADID') . ": " . $threadinfo->threadid . "<br />";
                $content .= JText::_('FORUMID') . ": " . $threadinfo->forumid . "<br />";
                $content .= JText::_('FIRST_POSTID') . ": " . $threadinfo->postid. "<br />";

                $forumlist =& $this->_get_lists('forum');
                if (!isset($forumlist[$threadinfo->forumid])) {
                    $content .= "<span style='color:red; font-weight:bold;'>" . JText::_('WARNING') . "</span>: " . JText::_('FORUM_NOT_EXIST') . "<br />";
                }

                $forumthread = $JFusionForum->getThread($threadinfo->threadid);
                if (empty($forumthread)) {
                    $content .= "<span style='color:red; font-weight:bold;'>" . JText::_('WARNING') . "</span>: " . JText::_('THREAD_NOT_EXIST') . "<br />";
                }
            } else {
                $valid = ($this->valid) ? JText::_('YES') : JText::_('NO');
                if (!$this->valid) {
                    $content .= JText::_('DISCUSSBOT_TEST_MODE') . "<img src='".JFusionFunction::getJoomlaURL()."plugins/content/discussbot/images/x.png' style='margin-left:5px;'><br/>";
                    $content .= JText::_('VALID') . ": " . $valid . "<br />";
                    $content .= JText::_('INVALID_REASON') . ": " . $this->validity_reason . "<br />";
                } else {
                    $content .= "<b>" . JText::_('DISCUSSBOT_TEST_MODE') . "</b><img src='".JFusionFunction::getJoomlaURL()."plugins/content/discussbot/images/check.png' style='margin-left:5px;'><br/>";
                    $content .= JText::_('VALID_REASON') . ": " . $this->validity_reason . "<br />";
                    $content .= JText::_('STATUS') . ": " . JText::_('UNINITIALIZED_THREAD_WILL_BE_CREATED') . "<br />";
                    $forumid = $JFusionForum->getDefaultForum($this->params, $this->article);
                    $content .= JText::_('FORUMID') . ": " . $forumid . "<br />";
                    $author = $JFusionForum->getThreadAuthor($this->params, $this->article);
                    $content .= JText::_('AUTHORID') . ": " . $author . "<br />";
                }
            }
            JError::raiseNotice('500', $content);
        } else {
            $this->_debug('In manual mode...checking to see if article has been initialized');
            $threadinfo =& $this->_get_thread_info();
            if (!empty($threadinfo) && $threadinfo->published == 1 && $threadinfo->manual == 1) {
                $this->_debug('Article has been initialized...updating thread');
                //update thread
                $status = $this->_check_thread_exists();
            } else {
                $this->_debug('Article has not been initialized');
            }
        }

        $this->_debug('onAfterContentSave complete', true);
    }


    function onPrepareContent(&$subject, $params)
    {
        $mainframe = & JFactory::getApplication();

        //reset some vars
        $this->manual_plug = false;
        $this->manual_threadid = 0;
        if ($this->clear_debug_output) {
            $this->debug_output = array();
        }
        $this->thread_status = '';
        $this->validity_reason = '';

        $this->_debug('onPrepareContent called');


        //check to see if a valid $content object was passed on
        if (!is_object($subject)){
            JFusionFunction::raiseWarning($this->jname . ' ' . JText::_('DISCUSSBOT_ERROR'), JText::_('NO_CONTENT_DATA_FOUND'), 1);
            return false;
        }

        //make sure there is a plugin
        if (empty($this->jname)) {
            return false;
        }

        //prevent any output by the plugins (this could prevent cookies from being passed to the header)
        ob_start();

        //set some variables needed throughout
        $this->template = $this->params->get("template","default");

        if (!defined('DISCUSSION_TEMPLATE_PATH')) {
            //let's first check for customized files in Joomla's template directory
            $app =& JFactory::getApplication();
            $JoomlaTemplateOverride = JPATH_BASE.DS.'templates'. DS .$app->getTemplate() . DS. 'html' . DS . 'plg_content_jfusion' . DS;
            if (file_exists($JoomlaTemplateOverride)) {
                define('DISCUSSION_TEMPLATE_PATH', $JoomlaTemplateOverride);
                define('DISCUSSION_TEMPLATE_URL', JFusionFunction::getJoomlaURL() . 'templates/' . $app->getTemplate() . 'html/plg_content_jfusion/');
            } else {
                define('DISCUSSION_TEMPLATE_PATH',JPATH_BASE.DS.'plugins'.DS.'content'.DS.'discussbot'.DS.'tmpl'.DS.$this->template.DS);
                define('DISCUSSION_TEMPLATE_URL',JFusionFunction::getJoomlaURL().'plugins/content/discussbot/tmpl/'.$this->template.'/');
            }
        }

        $this->article =& $subject;

        //make sure we have an actual article
        if ($this->article->id) {
            $this->dbtask = JRequest::getVar('dbtask', 'render_content', 'post');
            $skip_new_check = ($this->dbtask=='create_thread') ? true : false;
            $this->thread_status = $this->_get_thread_status();
            $this->valid = $this->_validate($skip_new_check);
            $this->_debug('Validity: ' . $this->valid . "; " . $this->validity_reason);
            $this->ajaxRequest = JRequest::getInt('ajax_request',0);

            if ($this->dbtask == 'create_thread') {
                //this article has been manually initiated for discussion
                $this->_create_thread();
            } elseif (($this->dbtask == 'create_post' || $this->dbtask == 'create_threadpost') && $this->params->get("enable_quickreply",false)) {
                //a quick reply has been submitted so let's create the post
                $this->_create_post();
            } elseif ($this->dbtask == 'unpublish_discussion') {
                //an article has been "uninitiated"
                $this->_unpublish_discussion();
            } elseif ($this->dbtask == 'publish_discussion') {
                //an article has been "reinitiated"
                $this->_publish_discussion();
            }

            //save the visibility of the posts if applicable
            $show_discussion = JRequest::getVar('show_discussion','');
            if ($show_discussion!=='') {
                $JSession =& JFactory::getSession();
                $JSession->set('jfusion.discussion.visibility',(int) $show_discussion);
            }

            //check for some specific ajax requests
            if ($this->ajaxRequest) {
                //check to see if this is an ajax call to update the pagination
                if ($this->params->get('enable_pagination',1) && $this->dbtask == 'update_pagination') {
                    $this->_update_pagination();
                }

                if ($this->params->get('show_posts',1) && $this->dbtask == 'update_posts') {
                    $this->_update_posts();
                }

                if ($this->dbtask=='update_content') {
                    $threadinfo =& $this->_get_thread_info();
                    if (!empty($threadinfo->published)) {
                        //content is now published so display it
                        die($this->_render_discussion_content($threadinfo));
                    } else {
                        //content is now not published so remove it
                        die();
                    }
                }

                if ($this->dbtask == 'update_buttons') {
                    $this->_update_buttons();
                }

                if ($show_discussion!=='') {
                    die('jfusion.discussion.visibility set to '.$show_discussion);
                }

                die("Discussion bot ajax request made but it doesn't seem to have been picked up");
            }

            //add scripts to header
            static $scriptsLoaded;
            if (empty($scriptsLoaded)) {
                $this->_load_scripts();
                $scriptsLoaded = 1;
            }

            //generate content
            $this->_prepare_content();
        }

        ob_end_clean();
        return true;
    }


    function _prepare_content()
    {
        JHTML::_( 'behavior.mootools' );
        $this->_debug('Preparing content');

        $content = '';
        //get the jfusion forum object
        $JFusionForum =& JFusionFactory::getForum($this->jname);

        //find any {jfusion_discuss...} to manually plug
        $this->_debug('Finding all manually added plugs');
        preg_match_all('/\{jfusion_discuss (.*)\}/U',$this->article->text,$matches);
        $this->_debug(count($matches[1]) . ' matches found');

        foreach($matches[1] as $id) {
            //only use the first and get rid of the others
            if (empty($this->manual_plug)) {
                $this->manual_plug = true;
                $this->_debug('Plugging for thread id ' . $id);
                //get the existing thread information
                $threadinfo = $JFusionForum->getThread($id);

                if (!empty($threadinfo)) {
                    //override thread status
                    $this->thread_status = true;
                    $content = $this->_render($threadinfo);
                    $this->article->text = str_replace("{jfusion_discuss $id}",$content,$this->article->text);
                } else {
                    $this->article->text = str_replace("{jfusion_discuss $id}",JText::_("THREADID_NOT_FOUND"),$this->article->text);
                }

                if ($this->mode=='test') {
                    $content  = "<div class='jfusionclearfix' style='border:1px solid #ECF8FD; background-color:#ECF8FD;  margin-top:10px; margin-bottom:10px;'>\n";
                    $content .= "<b>" . JText::_('DISCUSSBOT_TEST_MODE') . "</b><img src='plugins/content/discussbot/images/check.png' style='margin-left:5px;'><br/>";
                    $content .= JText::_('STATUS') . ": " . JText::_('INITIALIZED_AND_PUBLISHED') . "<br />";
                    $threadinfo = $JFusionForum->getThread($id);
                    if (empty($threadinfo)) {
                        $content .= "<span style='color:red; font-weight:bold;'>" . JText::_('WARNING') . "</span>: " . JText::_('THREAD_NOT_EXIST') . "<br />";
                    } else {
                        $content .= JText::_('THREADID') . ": " . $threadinfo->threadid . "<br />";
                        $content .= JText::_('FORUMID') . ": " . $threadinfo->forumid . "<br />";
                        $content .= JText::_('FIRST_POSTID') . ": " . $threadinfo->postid. "<br />";
                    }

                    $forumlist =& $this->_get_lists('forum');
                    if (!isset($forumlist[$threadinfo->forumid])) {
                        $content .= "<span style='color:red; font-weight:bold;'>" . JText::_('WARNING') . "</span>: " . JText::_('FORUM_NOT_EXIST') . "<br />";
                    }

                    $content .= "</div>\n";
                }
            } else {
                $this->_debug('Removing plug for thread ' . $id);
                $this->article->text = str_replace("{jfusion_discuss $id}",'',$this->article->text);
            }
        }

        //check to see if the fulltext has a manual plug if we are in a blog view
        if (!$this->manual_plug && JRequest::getVar('view')!='article') {
            preg_match('/\{jfusion_discuss (.*)\}/U',$this->article->fulltext,$match);
            if (!empty($match)) {
                $this->_debug("No plugs in text but found plugs in fulltext");
                $this->manual_plug = true;
                $this->manual_threadid = $match[1];

                //create buttons for the manually plugged article
                $content = $this->_render_buttons();

                //append the content
                $this->article->text .= $content;
            }
        }

        //check for auto mode if not already manually plugged
        if (!$this->manual_plug) {
            $this->_debug('Article not manually plugged...checking for other mode');
            $threadinfo =& $this->_get_thread_info();

            //create the thread if this article has been validated
            if ($this->mode=='auto') {
                $this->_debug('In auto mode');
                if ($this->valid) {
                    $status = $this->_check_thread_exists();
                }

                $content = $this->_render($threadinfo);
            } elseif ($this->mode=='test') {
                $this->_debug('In test mode');
                //get the existing thread information
                $content  = "<div class='jfusionclearfix' style='border:1px solid #ECF8FD; background-color:#ECF8FD; margin-top:10px; margin-bottom:10px;'>\n";

                if (!empty($threadinfo)) {
                    $content .= "<b>" . JText::_('DISCUSSBOT_TEST_MODE') . "</b><img src='".JFusionFunction::getJoomlaURL()."plugins/content/discussbot/images/check.png' style='margin-left:5px;'><br/>";
                    if ($threadinfo->published) {
                        $content .= JText::_('STATUS') . ": " . JText::_('INITIALIZED_AND_PUBLISHED') . "<br />";
                    } else {
                        $content .= JText::_('STATUS') . ": " . JText::_('INITIALIZED_AND_UNPUBLISHED') . "<br />";
                    }
                    $content .= JText::_('THREADID') . ": " . $threadinfo->threadid . "<br />";
                    $content .= JText::_('FORUMID') . ": " . $threadinfo->forumid . "<br />";
                    $content .= JText::_('FIRST_POSTID') . ": " . $threadinfo->postid. "<br />";

                    $forumlist =& $this->_get_lists('forum');
                    if (!isset($forumlist[$threadinfo->forumid])) {
                        $content .= "<span style='color:red; font-weight:bold;'>" . JText::_('WARNING') . "</span>: " . JText::_('FORUM_NOT_EXIST') . "<br />";
                    }

                    $forumthread = $JFusionForum->getThread($threadinfo->threadid);
                    if (empty($forumthread)) {
                        $content .= "<span style='color:red; font-weight:bold;'>" . JText::_('WARNING') . "</span>: " . JText::_('THREAD_NOT_EXIST') . "<br />";
                    }
                } else {
                    $valid = ($this->valid) ? JText::_('YES') : JText::_('NO');
                    if (!$this->valid) {
                        $content .= "<b>" . JText::_('DISCUSSBOT_TEST_MODE') . "</b><img src='".JFusionFunction::getJoomlaURL()."plugins/content/discussbot/images/x.png' style='margin-left:5px;'><br/>";
                        $content .= JText::_('VALID') . ": " . $valid . "<br />";
                        $content .= JText::_('INVALID_REASON') . ": " . $this->validity_reason . "<br />";
                    } else {
                        $content .= "<b>" . JText::_('DISCUSSBOT_TEST_MODE') . "</b><img src='".JFusionFunction::getJoomlaURL()."plugins/content/discussbot/images/check.png' style='margin-left:5px;'><br/>";
                        $content .= JText::_('VALID_REASON') . ": " . $this->validity_reason . "<br />";
                        $content .= JText::_('STATUS') . ": " . JText::_('UNINITIALIZED_THREAD_WILL_BE_CREATED') . "<br />";
                        $forumid = $JFusionForum->getDefaultForum($this->params, $this->article);
                        $content .= JText::_('FORUMID') . ": " . $forumid . "<br />";
                        $author = $JFusionForum->getThreadAuthor($this->params, $this->article);
                        $content .= JText::_('AUTHORID') . ": " . $author . "<br />";
                    }
                }
                $content .= "</div>\n";
            } elseif (!empty($threadinfo->manual)) {
                $this->_debug('In manual mode but article has been initialized');
                //this article was generated by the initialize button
                $content = $this->_render($threadinfo);
            } else {
                $this->_debug('In manual mode');
                //in manual mode so just create the buttons
                $content = $this->_render_buttons();
            }

            //append the content
            $this->article->text .= $content;
        }

        static $taskFormLoaded;
        if (empty($taskFormLoaded)) {
            $this->_debug('Adding task form');
            //tak on the task form; it only needs to be added once which will be used for create_thread
            $uri = JFactory::getURI();
            $url = $uri->toString(array('path', 'query', 'fragment'));
            $content  = "<form style='display:none;' id='JFusionTaskForm' name='JFusionTaskForm' method='post' action='".$url."'>\n";
            $content .= "<input type='hidden' name='articleId' value='' />\n";
            $content .= "<input type='hidden' name='dbtask' value='' />\n";
            $content .= "</form>\n";

            $this->article->text .= $content;

            $taskFormLoaded = 1;
        }


        if ($this->debug_mode) {
            require_once(JPATH_ADMINISTRATOR .DS.'components'.DS.'com_jfusion'.DS.'models'.DS.'model.debug.php');
            ob_start();
            debug::show($this->debug_output, 'Discussion bot debug info',1);
            $this->article->text .= ob_get_contents();
            ob_end_clean();
        }
    }


    function _create_thread()
    {
        $JoomlaUser =& JFactory::getUser();
        $JFusionForum =& JFusionFactory::getForum($this->jname);
        $mainframe = & JFactory::getApplication();

        if ($return = JRequest::getVar('return')) {
            $url = base64_decode($return);
        } else {
            $uri = JFactory::getURI();
            $url = $uri->toString(array('path', 'query', 'fragment'));
            $url = JRoute::_($url, false);
            if ($uri->getVar('view')=='article') {
                //tak on the discussion jump to
                $url .= "#discussion";

                $JSession =& JFactory::getSession();
                $JSession->set('jfusion.discussion.visibility',1);
            }
        }

        //make sure the article submitted matches the one loaded
        $submittedArticleId = JRequest::getInt('articleId', 0, 'post');
        $editAccess = $JoomlaUser->authorize('com_content', 'edit', 'content', 'all');

        if ($editAccess && $this->valid && $submittedArticleId == $this->article->id) {
            $status = $this->_check_thread_exists(1);

            if ($status['error']) {
                if (is_array($status['error'])) {
                    foreach($status['error'] as $err) {
                        $mainframe->enqueueMessage('error',$this->jname . ' ' . JText::_('DISCUSSBOT_ERROR'). ': ' . $err);
                    }
                } else {
                    $mainframe->enqueueMessage('error',$this->jname . ' ' . JText::_('DISCUSSBOT_ERROR'). ': ' . $status['error']);
                }

                $mainframe->redirect($url);

            } else {
                $mainframe->redirect($url, JText::sprintf('THREAD_CREATED_SUCCESSFULLY',$this->article->title));
            }
        }
    }


    function _create_post()
    {
        $JoomlaUser =& JFactory::getUser();
        $JFusionForum =& JFusionFactory::getForum($this->jname);

        //define some variables
        $allowGuests =& $this->params->get("quickreply_allow_guests",0);
        $ajaxEnabled = ($this->params->get("enable_ajax",1) && $this->ajaxRequest);

        //process quick replies
        if ($allowGuests || !$JoomlaUser->guest) {
            //make sure something was submitted
            $quickReplyText = JRequest::getVar('quickReply', '', 'POST');

            if (!empty($quickReplyText)) {
                //retrieve the userid from forum software
                if ($allowGuests && $JoomlaUser->guest) {
                    $userinfo = new stdClass();
                    $userinfo->guest = 1;

                    $captcha_verification = $JFusionForum->verifyCaptcha($this->params);
                } else {
                    $JFusionUser =& JFusionFactory::getUser($this->jname);
                    $userinfo = $JFusionUser->getUser($JoomlaUser);
                    $userinfo->guest = 0;
                    //we have a user logged in so ignore captcha
                    $captcha_verification = true;
                }

                if ($captcha_verification) {
                    if ($this->dbtask=='create_threadpost') {
                        $status = $this->_check_thread_exists();
                        $threadinfo = $status['threadinfo'];
                    } elseif ($this->dbtask=="create_post") {
                        $threadinfo =& $this->_get_thread_info();
                    }

                    //create the post
                    if (!empty($threadinfo->threadid) && !empty($threadinfo->forumid)) {
                        $status = $JFusionForum->createPost($this->params, $threadinfo, $this->article, $userinfo);

                        if ($status['error']){
                            if ($ajaxEnabled) {
                                //output the error
                                die($this->jname . ' ' . JText::_('DISCUSSBOT_ERROR') . ': ' . $status['error']);
                            } else {
                                JFusionFunction::raiseWarning($this->jname . ' ' . JText::_('DISCUSSBOT_ERROR'), $status['error'],1);
                            }
                        } else {
                            if ($ajaxEnabled) {
                                //if pagination is set, set $limitstart so that we go to the added post
                                if ($this->params->get('enable_pagination',true)) {
                                    $replyCount = $JFusionForum->getReplyCount($threadinfo);
                                    $application =& JFactory::getApplication();
                                    $limit = $application->getUserStateFromRequest( 'global.list.limit', 'limit', 14, 'int' );

                                    if ($this->params->get("sort_posts",'ASC')=='ASC') {
                                        $limitstart = floor(($replyCount-1)/$limit) * $limit;
                                    } else {
                                        $limitstart = 0;
                                    }
                                    JRequest::setVar('limitstart',$limitstart);
                                }

                                $posts = $JFusionForum->getPosts($this->params, $threadinfo);
                                $this->output = array();
                                $this->output['posts'] = $this->_prepare_posts_output($posts);

                                //take note of the created post
                                $this->output['submitted_postid'] = $status['postid'];
                                if (isset($status['post_moderated'])) {
                                    $this->output['post_moderated'] = $status['post_moderated'];
                                } else {
                                    $this->output['post_moderated'] = 0;
                                }

                                //output only the new post div
                                $this->_render_file('default_posts.php','die');
                            } else {
                                if ($this->params->get('jumpto_new_post',0)) {
                                    $jumpto = (isset($status['postid'])) ? "post" . $status['postid'] : '';
                                } else {
                                    $jumpto = '';
                                }
                                $url = $this->_get_article_url($jumpto,'',false);

                                if (isset($status['post_moderated'])) {
                                    $text = ($status['post_moderated']) ? 'SUCCESSFUL_POST_MODERATED' : 'SUCCESSFUL_POST';
                                } else {
                                    $text = 'SUCCESSFUL_POST';
                                }
                                $mainframe = & JFactory::getApplication();
                                $mainframe->redirect($url, JText::_($text));
                            }
                        }
                    } else {
                        if ($ajaxEnabled) {
                            die($this->jname . ' ' . JText::_('DISCUSSBOT_ERROR') . ': ' . JText::_('THREADID_NOT_FOUND'));
                        } else {
                            JFusionFunction::raiseWarning($this->jname . ' ' . JText::_('DISCUSSBOT_ERROR'), JText::_('THREADID_NOT_FOUND'),1);
                        }
                    }
                } else {
                    if ($ajaxEnabled) {
                        die($this->jname . ' ' . JText::_('DISCUSSBOT_ERROR') . ': ' . JText::_('CAPTCHA_INCORRECT'));
                    } else {
                        JFusionFunction::raiseWarning($this->jname . ' ' . JText::_('DISCUSSBOT_ERROR'), JText::_('CAPTCHA_INCORRECT'),1);
                    }
                }
            } else {
                if ($ajaxEnabled) {
                    die($this->jname . ' ' . JText::_('DISCUSSBOT_ERROR') . ': ' . JText::_('QUICKEREPLY_EMPTY'));
                } else {
                    JFusionFunction::raiseWarning($this->jname . ' ' . JText::_('DISCUSSBOT_ERROR'), JText::_('QUICKEREPLY_EMPTY'),1);
                }
            }
        }

        //if ajax is enabled, then something has gone wrong so die
        if ($ajaxEnabled) die(JText::_('DISCUSSBOT_ERROR'));
    }


    function _unpublish_discussion()
    {
        $JoomlaUser =& JFactory::getUser();
        $JFusionForum =& JFusionFactory::getForum($this->jname);

        //make sure the article submitted matches the one loaded
        $submittedArticleId = JRequest::getInt('articleId', 0, 'post');
        $editAccess = $JoomlaUser->authorize('com_content', 'edit', 'content', 'all');

        if ($editAccess && $this->valid && $submittedArticleId == $this->article->id) {
            $threadinfo =& $this->_get_thread_info();

            if (!empty($threadinfo)) {
                //created by discussion bot thus update the look up table
                JFusionFunction::updateDiscussionBotLookup($this->article->id, $threadinfo, $this->jname, 0, $threadinfo->manual);
            } else {
                //manually plugged thus remove any db plugin tags
                $jdb =& JFactory::getDBO();
                //retrieve the original text
                $query = "SELECT `introtext`, `fulltext` FROM #__content WHERE id = " . $this->article->id;
                $jdb->setQuery($query);
                $texts = $jdb->loadObject();

                //remove any {jfusion_discuss...}
                $fulltext = preg_replace('/\{jfusion_discuss (.*)\}/U','',$texts->fulltext, -1, $fullTextCount);
                $introtext = preg_replace('/\{jfusion_discuss (.*)\}/U','',$texts->introtext, -1, $introTextCount);

                if (!empty($fullTextCount) || !empty($introTextCount)) {
                    $query = "UPDATE #__content SET `fulltext` = " . $jdb->Quote($fulltext) . ", `introtext` = " .$jdb->Quote($introtext) . " WHERE id = " . (int) $this->article->id;
                    $jdb->setQuery($query);
                    $jdb->query();
                }
            }

            if ($this->ajaxRequest) {
                $this->thread_status = $this->_get_thread_status();
                die($this->_render_buttons(true));
            }
        } else {
            die('Access denied!');
        }
    }


    function _publish_discussion()
    {
        $JoomlaUser =& JFactory::getUser();
        $JFusionForum =& JFusionFactory::getForum($this->jname);

        //make sure the article submitted matches the one loaded
        $submittedArticleId = JRequest::getInt('articleId', 0, 'post');
        $editAccess = $JoomlaUser->authorize('com_content', 'edit', 'content', 'all');

        if ($editAccess && $this->valid && $submittedArticleId == $this->article->id) {
            $threadinfo =& $this->_get_thread_info();
            JFusionFunction::updateDiscussionBotLookup($this->article->id, $threadinfo, $this->jname, 1, $threadinfo->manual);
            if ($this->ajaxRequest) {
                $this->thread_status = $this->_get_thread_status();
                die($this->_render_buttons(true));
            }
        } else {
            die('Access denied!');
        }
    }


    function _render(&$threadinfo)
    {
        $this->_debug('Beginning rendering content');
        if (!empty($threadinfo)) {
            $JFusionForum =& JFusionFactory::getForum($this->jname);
            $this->replyCount = $JFusionForum->getReplyCount($threadinfo);
        }
        $view = JRequest::getVar('view');

        //let's only show quick replies and posts on the article view
        if ($view=="article") {
            $content  = $this->_render_buttons();
            $JSession =& JFactory::getSession();

            if (!empty($threadinfo->manual) && empty($threadinfo->published)) {
                $this->_debug('Discussion content not displayed as this discussion is unpublished');
                $display = 'none';
                $generate_guts = false;
            } else {
                if ($JSession->get('jfusion.discussion.visibility',0) || empty($threadinfo) && $this->creationMode == 'reply') {
                    //show the discussion area if no replies have been made and creationMode is set to on first reply OR if user has set it to show
                    $display = 'block';
                } else {
                    $display = ($this->params->get('show_toggle_posts_link',1) && $this->params->get('collapse_discussion',1)) ? 'none' : 'block';
                }
                $generate_guts = true;
            }

            $content .= "<div style='float:none; display:{$display};' id='discussion'>\n";

            if ($generate_guts) {
                $content .= $this->_render_discussion_content($threadinfo);
            }

            $content .= "</div>";
        } else {
            $content = $this->_render_buttons();
        }

        return $content;
    }


    function _render_discussion_content(&$threadinfo)
    {
        $this->_debug('Rendering discussion content');

        //setup parameters
        $JFusionForum =& JFusionFactory::getForum($this->jname);
        $allowGuests =& $this->params->get("quickreply_allow_guests",0);
        $JoomlaUser =& JFactory::getUser();
        //make sure the user exists in the software before displaying the quick reply
        $JFusionUser =& JFusionFactory::getUser($this->jname);
        $JFusionUserinfo = $JFusionUser->getUser($JoomlaUser);
        $action_url = $this->_get_article_url('','',false);
        $this->output = array();
        $this->output['reply_count'] = $this->replyCount;

        if (!empty($threadinfo)) {
            //prepare quick reply box if enabled
            if ($this->params->get("enable_quickreply")){
                $threadLocked = $JFusionForum->getThreadLockedStatus($threadinfo->threadid);
                $show_form = ($allowGuests || !$JoomlaUser->guest) ? true : false;
                if ($threadLocked) {
                    $this->output['reply_form_error'] = $this->params->get("locked_msg");
                    $this->output['show_reply_form'] = false;
                } elseif ($show_form) {
                    if (!$JoomlaUser->guest && empty($JFusionUserinfo)) {
                        $this->output['reply_form_error'] =  $this->jname . ': ' . JText::_('USER_NOT_EXIST')."\n";
                        $this->output['show_reply_form'] = false;
                    } else {
                        $showGuestInputs = ($allowGuests && $JoomlaUser->guest) ? true : false;
                        $this->output['reply_form']  = "<form id='jfusionQuickReply{$this->article->id}' name='jfusionQuickReply{$this->article->id}' method=post action='".$action_url."'>\n";
                        $this->output['reply_form'] .= "<input type=hidden name='dbtask' value='create_post'>\n";
                        $this->output['reply_form'] .= $JFusionForum->createQuickReply($this->params,$showGuestInputs);
                        $this->output['reply_form'] .= "</form>";
                        $this->output['show_reply_form'] = true;
                    }
                } else {
                    $this->output['reply_form_error'] = $this->params->get("must_login_msg");
                    $this->output['show_reply_form'] = false;
                }
            }

            //add posts to content if enabled
            if ($this->params->get("show_posts")) {
                //get the posts
                $posts = $JFusionForum->getPosts($this->params, $threadinfo);

                if (!empty($posts)){
                    $this->output['posts'] = $this->_prepare_posts_output($posts);
                }

                if ($this->params->get("enable_pagination",1)) {
                    $this->output['post_pagination']  = "<div id='jfusionPostPagination'>\n";
                    if ($this->replyCount) {
                        $application = JFactory::getApplication() ;
                        $limitstart = JRequest::getInt( 'limitstart', 0 );
                        $limit = $application->getUserStateFromRequest( 'global.list.limit', 'limit', 5, 'int' );
                        jimport('joomla.html.pagination');
                        $pageNav = new JPagination($this->replyCount, $limitstart, $limit );
                        $this->output['post_pagination'] .= "<form method='post' name='jfusionPaginationForm' action='$action_url'>\n";
                        $this->output['post_pagination'] .= $pageNav->getListFooter();
                        $this->output['post_pagination'] .= "</form>\n";
                    }
                    $this->output['post_pagination'] .= "</div>\n";
                } else {
                    $this->output['post_pagination'] = '';
                }
            } else {
                $this->output['posts'] = '';
                $this->output['post_pagination'] = '';
            }
        } elseif ($this->creationMode=='reply') {
            //prepare quick reply box if enabled
            $show_form = ($allowGuests || (!$JoomlaUser->guest && !empty($JFusionUserinfo))) ? true : false;

            if ($show_form) {
                if (!$JoomlaUser->guest && empty($JFusionUserinfo)) {
                    $this->output['reply_form_error'] =  $this->jname . ': ' . JText::_('USER_NOT_EXIST')."\n";
                    $this->output['show_reply_form'] = false;
                } else {
                    $showGuestInputs = ($allowGuests && $JoomlaUser->guest) ? true : false;
                    $this->output['reply_form']  = "<form id='jfusionQuickReply{$this->article->id}' name='jfusionQuickReply{$this->article->id}' method=post action='".$actionUrl."'>\n";
                    $this->output['reply_form'] .= "<input type=hidden name='dbtask' value='create_threadpost'/>\n";
                    $this->output['reply_form'] .= $JFusionForum->createQuickReply($this->params,$showGuestInputs);
                    $this->output['reply_form'] .= "</form>";
                    $this->output['show_reply_form'] = true;
                }
            } else {
                $this->output['reply_form_error'] = $this->params->get("must_login_msg");
                $this->output['show_reply_form'] = false;
            }
        }

        //populate the template
        $content = $this->_render_file('default.php','capture');
        return $content;
    }


    function _render_buttons($innerhtml = false)
    {
        $this->_debug('Rendering buttons');

        //setup some variables
        $threadinfo =& $this->_get_thread_info();
        $JUser =& JFactory::getUser();
        $attribs = new JParameter( $this->article->attribs);
        $itemid =& $this->params->get("itemid");
        $link_text =& $this->params->get("link_text");
        $link_type=& $this->params->get("link_type",'text');
        $link_mode=& $this->params->get("link_mode",'always');
        $blog_link_mode=& $this->params->get("blog_link_mode",'forum');
        $linkHTML = ($link_type=='image') ? "<img style='border:0;' src='$link_text'>" : $link_text;
        $linkTarget =& $this->params->get('link_target','_parent');
        //prevent notices and warnings in default_buttons.php if there are no buttons to display
        $this->output = array();
        $this->output['buttons'] = array();

        if (isset($this->article->params)) {
            //blog view
            $article_params =& $this->article->params;
            $readmore_catch = $this->article->readmore;
            $show_readmore = $article_params->get('show_readmore');
        } elseif (isset($this->article->parameters)) {
            //article view
            $article_params =& $this->article->parameters;
            $readmore_catch = JRequest::getInt('readmore');
            $override = JRequest::getInt('show_readmore',false);
            $show_readmore = ($override!==false) ? $override : $article_params->get('show_readmore');
        }

        //let's overwrite the readmore link with our own
        //needed as in the case of updating the buttons via ajax which calls the article view
        $view = ($override = JRequest::getVar('view_override')) ? $override : JRequest::getVar('view');

        if ($view != 'article' && $this->params->get('overwrite_readmore',1)) {
            //make sure the readmore link is enabled for this article

            if (($show_readmore != 0 && $readmore_catch != 0)) {
                if ($this->article->access <= $JUser->get('aid', 0)) {
                    $readmore_link = $this->_get_article_url();
                    if ($readmore = $attribs->get('readmore')) {
                        $readmore_text = $readmore;
                    } else {
                        $readmore_text = JText::_('Read more...');
                    }
                } else {
                    $return_url = base64_encode($this->_get_article_url());
                    $readmore_link = JRoute::_('index.php?option=com_user&view=login&return='.$return_url);
                    $readmore_text = JText::_('Register to read more...');
                }

                $this->output['buttons']['readmore']['href'] = $readmore_link;
                $this->output['buttons']['readmore']['text'] = $readmore_text;
                $this->output['buttons']['readmore']['target'] = '_self';

                //set it so that Joomla does not show its readmore link
                if (isset($this->article->readmore)) $this->article->readmore = 0;
                $article_params->set('show_readmore', 0);
            }
        }

        //create a link to manually create the thread if it is not already
        $show_button = $this->params->get('enable_initiate_buttons',false);
        if ($show_button) {
            $user   =& JFactory::getUser();
            $editAccess = $user->authorize('com_content', 'edit', 'content', 'all');
            if ($editAccess) {
                if ($this->thread_status || $this->manual_plug) {
                    //discussion is published
                    $dbtask = 'unpublish_discussion';
                    $text = 'UNINITIATE_DISCUSSION';
                } elseif (isset($threadinfo->published)) {
                    //discussion is unpublished
                    $dbtask = 'publish_discussion';
                    $text = 'INITIATE_DISCUSSION';
                } else {
                    //discussion is uninitiated
                    $dbtask = 'create_thread';
                    $text = 'INITIATE_DISCUSSION';
                }

                $this->output['buttons']['initiate']['href'] = "javascript: void(0);";

                $vars  = "&view_override=$view";
                $vars .= ($this->params->get('overwrite_readmore',1)) ? "&readmore={$readmore_catch}&show_readmore={$show_readmore}" : "";

                $this->output['buttons']['initiate']['js']['onclick'] = "confirmThreadAction(".$this->article->id.",'$dbtask', '$vars', '{$this->_get_article_url()}');";
                $this->output['buttons']['initiate']['text'] = JText::_($text);
                $this->output['buttons']['initiate']['target'] = '_self';

            }
        }

        //create the discuss this link
        if ($this->thread_status || $this->manual_plug) {
            if ($link_mode!="never") {
                $JFusionForum =& JFusionFactory::getForum($this->jname);
                if ($this->replyCount === false) {
                    $this->replyCount = $JFusionForum->getReplyCount($threadinfo);
                }

                if ($view=="article") {
                    if ($link_mode=="article" || $link_mode=="always") {
                        $this->output['buttons']['discuss']['href'] = JFusionFunction::routeURL($JFusionForum->getThreadURL($threadinfo->threadid), $itemid, $this->jname);
                        $this->output['buttons']['discuss']['text'] = $linkHTML;
                        $this->output['buttons']['discuss']['target'] = $linkTarget;

                        if ($this->params->get('enable_comment_in_forum_button',0)) {
                            $commentLinkText = $this->params->get('comment_in_forum_link_text', JText::_('ADD_COMMENT'));
                            $commentLinkHTML = ($this->params->get('comment_in_forum_link_type')=='image') ? "<img style='border:0;' src='$commentLinkText'>" : $commentLinkText;
                            $this->output['buttons']['comment_in_forum']['href'] = JFusionFunction::routeURL($JFusionForum->getReplyURL($threadinfo->forumid, $threadinfo->threadid), $itemid, $this->jname);
                            $this->output['buttons']['comment_in_forum']['text'] = $commentLinkHTML;
                            $this->output['buttons']['comment_in_forum']['target'] = $linkTarget;
                        }

                    }
                } elseif ($link_mode=="blog" || $link_mode=="always") {
                    if ($blog_link_mode=="joomla") {
                        if ($this->article->access <= $JUser->get('aid', 0)) {
                            $discuss_link = $this->_get_article_url('discussion');
                        } else {
                            $return_url = base64_encode($this->_get_article_url('discussion'));
                            $discuss_link = JRoute::_('index.php?option=com_user&view=login&return='.$return_url);
                        }
                        $this->output['buttons']['discuss']['href'] = 'javascript: void(0);';
                        $this->output['buttons']['discuss']['js']['onclick'] = "toggleDiscussionVisibility(1,'$discuss_link');";
                        $this->output['buttons']['discuss']['target'] = '_self';
                    } else …