root/trunk/wifidog-auth/wifidog/classes/Content/PatternLanguage/PatternLanguage.php @ 868

<?php

/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */

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/**
 * @package    WiFiDogAuthServer
 * @subpackage ContentClasses
 * @author     Benoit Gregoire <bock@step.polymtl.ca>
 * @copyright  2004-2005 Benoit Gregoire <bock@step.polymtl.ca> - Technologies Coeus
 * inc.
 * @version    CVS: $Id$
 * @link       http://sourceforge.net/projects/wifidog/
 */

require_once BASEPATH.'classes/Content/ContentGroup/ContentGroup.php';
require_once BASEPATH.'classes/User.php';

class PatternLanguage extends ContentGroup
{
    /**
     * Get all pattern language objects
     */
    public static function getAllContent()
    {
       return parent::getAllContent("PatternLanguage");
    }

    function __construct($content_id)
    {
        parent :: __construct($content_id);

        // A Pattern language can NEVER be expandable
        $this->setIsExpandable(false);
    }

    /** Retreives the user interface of this object.  Anything that overrides this method should call the parent method with it's output at the END of processing.
     * @param $subclass_admin_interface Html content of the interface element of a children
     * @return The HTML fragment for this interface */
    public function getUserUI($subclass_user_interface = null)
    {
        $html = '';
        $html .= "<div class='user_ui_container'>\n";
        $html .= "<div class='user_ui_object_class'>PatternLanguage (".get_class($this)." instance)</div>\n";

        // Check if the user has already subscribed to Pattern language
        $current_user = User::getCurrentUser();
        if($current_user == null || $this->isUserSubscribed($current_user) == false)
        {
            // hyperlink to all users narrative
            $html .= "<ul class='pattern_language_menu'>";
            $html .= "<li><a class='pattern_language_big_links' href='/content/PatternLanguage/subscription.php'>"._("Subscribe to Pattern Language")."</a></li>";
            $html .= "<li><a class='pattern_language_big_links' href='/content/PatternLanguage/archives.php'>"._("Read narratives archives")."</a></li>";
            $html .= "</ul>";

            // Until subscription is done DO NOT log this !
            $this->setLoggingStatus(false);
            // Tell the content group not to display elements until subscription is done
            $parent_output = parent :: getUserUI($html, true);
        }
        else
        {
            // The user is subscribed to the pattern language show an element !
            // hyperlink to user's narrative
            $html .= "<ul class='pattern_language_menu'>";
            $html .= "<li><a href='/content/PatternLanguage/narrative.php'>"._("Read my narrative")."</a></li>";
            $html .= "<li><a href='/content/PatternLanguage/archives.php'>"._("Read narratives archives")."</a></li>";
            $html .= "<li><a href='/content/PatternLanguage/subscription.php'>"._("Unsubscribe")."</a></li>";
            $html .= "</ul>";

            // Display the random pattern
            $parent_output = parent :: getUserUI($html);
        }

        $html .= $subclass_user_interface;
        $html .= "</div>\n";

        return $parent_output;
    }

    /** Display the narrative
     * @param $user The user who's narrative you want to grab
     * @return the archive page HTML */
    public function displayNarrative(User $user)
    {
        global $db;
        // Debug values user_id = 8a90b1ea56cf27a0c61f9304da73bcd5
        // PL : 3a3ea73dd2e2d03729e62b95d2574fc6
        $sql = "SELECT * FROM (SELECT DISTINCT ON (content_group_element_id) content_group_element_id, first_display_timestamp FROM content_display_log AS cdl JOIN content_group_element AS cge ON (cdl.content_id = cge.content_group_element_id) JOIN content ON (content.content_id = cge.content_group_id) where user_id = '{$user->getId()}' AND cge.content_group_id = '{$this->getId()}' AND content.content_type = 'PatternLanguage') AS patterns ORDER BY first_display_timestamp";
        // OLD QUERY $sql = "SELECT DISTINCT ON (content_group_element_id) content_group_element_id, first_display_timestamp FROM content_display_log AS cdl JOIN content_group_element AS cge ON (cdl.content_id = cge.content_group_element_id) JOIN content ON (content.content_id = cge.content_group_id) where user_id = '{$user->getId()}' AND content.content_type = 'PatternLanguage' ORDER BY content_group_element_id";
        $db->ExecSql($sql, $rows, false);
        $html = "";
        if($rows)
            foreach($rows as $row)
            {
                $cge = Content::getObject($row['content_group_element_id']);
                $cge->setLoggingStatus(false);
                $html .= $cge->getUserUI()."<p>";
            }
       return $html;
    }

    /** Get the list of all narratives
     * @return the archive page HTML */
    public function getNarrativeList()
    {
        global $db;
        $sql = "SELECT DISTINCT user_id FROM content_display_log AS cdl JOIN content_group_element AS cge ON (cdl.content_id = cge.content_group_element_id) JOIN content ON (content.content_id = cge.content_group_id) WHERE content_type = 'PatternLanguage'";
        $db->ExecSql($sql , $rows, false);
        $narratives = array();
        if($rows)
            foreach($rows as $row)
                $narratives[] = User::getObject($row['user_id']);
        return $narratives;
    }
    /** Reloads the object from the database.  Should normally be called after a set operation.
     * This function is private because calling it from a subclass will call the
     * constructor from the wrong scope */
    private function refresh()
    {
        $this->__construct($this->id);
    }
}

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * c-hanging-comment-ender-p: nil
 * End:
 */

?>