class.ilUserFeedWriter.php

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<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/News/classes/class.ilNewsItem.php");
include_once("./Services/Feeds/classes/class.ilFeedItem.php");
include_once("./Services/Feeds/classes/class.ilFeedWriter.php");

class ilUserFeedWriter extends ilFeedWriter
{
        
        function ilUserFeedWriter($a_user_id, $a_hash, $privFeed = false)
        {
                global $ilSetting, $lng;

                parent::ilFeedWriter();
                
                //$lng->loadLanguageModule("news");
                
                if ($a_user_id == "" || $a_hash == "")
                {
                        return;
                }
                
                $news_set = new ilSetting("news");
                if (!$news_set->get("enable_rss_for_internal"))
                {
                        return;
                }

                $hash = ilObjUser::_lookupFeedHash($a_user_id);
                
                include_once("./Services/News/classes/class.ilNewsItem.php");
                $rss_period = ilNewsItem::_lookupRSSPeriod();

                if ($a_hash == $hash)
                {
                        if ($privFeed) 
                        {
                                ilNewsItem::setPrivateFeedId($a_user_id);
                        }
                        $items = ilNewsItem::_getNewsItemsOfUser($a_user_id, true, true, $rss_period);
                        if ($ilSetting->get('short_inst_name') != "")
                        {
                                $this->setChannelTitle($ilSetting->get('short_inst_name'));
                        }
                        else
                        {
                                $this->setChannelTitle("ILIAS");
                        }

                        $this->setChannelAbout(ILIAS_HTTP_PATH);
                        $this->setChannelLink(ILIAS_HTTP_PATH);
                        //$this->setChannelDescription("ILIAS Channel Description");
                        $i = 0;
                        foreach($items as $item)
                        {
                                $obj_id = ilObject::_lookupObjId($item["ref_id"]);
                                $obj_type = ilObject::_lookupType($obj_id);
                                $obj_title = ilObject::_lookupTitle($obj_id);

                                // not nice, to do: general solution
                                if ($obj_type == "mcst")
                                {
                                        include_once("./Modules/MediaCast/classes/class.ilObjMediaCastAccess.php");
                                        if (!ilObjMediaCastAccess::_lookupOnline($obj_id))
                                        {
                                                continue;
                                        }
                                }

                                $i++;
                                $feed_item = new ilFeedItem();
                                $title = ilNewsItem::determineNewsTitle
                                        ($item["context_obj_type"], $item["title"], $item["content_is_lang_var"],
                                        $item["agg_ref_id"], $item["aggregation"]);

                                // path
                                $cont_loc = new ilLocatorGUI();
                                $cont_loc->addContextItems($item["ref_id"], true);
                                $cont_loc->setTextOnly(true);
                                $loc = "[".$cont_loc->getHTML()."]";
                                
                                // title
                                if ($news_set->get("rss_title_format") == "news_obj")
                                {
                                        $feed_item->setTitle($this->prepareStr(str_replace("<br />", " ", $title)).
                                                " (".$this->prepareStr($loc)." ".$this->prepareStr($obj_title).
                                                ")");
                                }
                                else
                                {
                                        $feed_item->setTitle($this->prepareStr($loc)." ".$this->prepareStr($obj_title).
                                                ": ".$this->prepareStr(str_replace("<br />", " ", $title)));
                                }
                                                                
                                // description
                                $content = $this->prepareStr(nl2br($item["content"]));
                                $feed_item->setDescription($content);

                                // lm page hack, not nice
                                if (in_array($item["context_obj_type"], array("dbk", "lm")) && $item["context_sub_obj_type"] == "pg"
                                        && $item["context_sub_obj_id"] > 0)
                                {
                                        $feed_item->setLink(ILIAS_HTTP_PATH."/goto.php?client_id=".CLIENT_ID.
                                                "&amp;target=pg_".$item["context_sub_obj_id"]."_".$item["ref_id"]);
                                }
                                else if (in_array($item["context_obj_type"], array("frm")) && $item["context_sub_obj_type"] == "pos"
                                        && $item["context_sub_obj_id"] > 0)
                                {
                                        // frm hack, not nice
                                        include_once("./Modules/Forum/classes/class.ilObjForumAccess.php");
                                        $thread_id = ilObjForumAccess::_getThreadForPosting($item["context_sub_obj_id"]);
                                        if ($thread_id > 0)
                                        {
                                                $feed_item->setLink(ILIAS_HTTP_PATH."/goto.php?client_id=".CLIENT_ID.
                                                        "&amp;target=".$item["context_obj_type"]."_".$item["ref_id"]."_".$thread_id."_".$item["context_sub_obj_id"]);
                                        }
                                        else
                                        {
                                                $feed_item->setLink(ILIAS_HTTP_PATH."/goto.php?client_id=".CLIENT_ID.
                                                        "&amp;target=".$item["context_obj_type"]."_".$item["ref_id"]);
                                        }
                                }
                                else
                                {
                                        $feed_item->setLink(ILIAS_HTTP_PATH."/goto.php?client_id=".CLIENT_ID.
                                                "&amp;target=".$item["context_obj_type"]."_".$item["ref_id"]);
                                }
                                $feed_item->setAbout($feed_item->getLink()."&amp;il_about_feed=".$item["id"]);
                                $this->addItem($feed_item);
                        }
                }
        }
}
?>