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
{
    protected $settings;

    protected $lng;

    
    public function __construct($a_user_id, $a_hash, $privFeed = false)
    {
        global $DIC;

        $this->settings = $DIC->settings();
        $this->lng = $DIC->language();
        $ilSetting = $DIC->settings();
        $lng = $DIC->language();

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

        include_once "Services/User/classes/class.ilObjUser.php";
        $hash = ilObjUser::_lookupFeedHash($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, false, true, $rss_period);
            } else {
                $items = ilNewsItem::_getNewsItemsOfUser($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
                $loc = $this->getContextPath($item["ref_id"]);
                
                // 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 = $this->prepareStr(nl2br(
                    ilNewsItem::determineNewsContent($item["context_obj_type"], $item["content"], $item["content_text_is_lang_var"])
                ));
                $feed_item->setDescription($content);

                // lm page hack, not nice
                if (in_array($item["context_obj_type"], array("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"] . "_" . $item["ref_id"]);
                } elseif ($item["context_obj_type"] == "wiki" && $item["context_sub_obj_type"] == "wpg"
                    && $item["context_sub_obj_id"] > 0) {
                    include_once("./Modules/Wiki/classes/class.ilWikiPage.php");
                    $wptitle = ilWikiPage::lookupTitle($item["context_sub_obj_id"]);
                    $feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID .
                        "&amp;target=" . $item["context_obj_type"] . "_" . $item["ref_id"] . "_" . urlencode($wptitle)); // #14629
                } elseif (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"]);
                $feed_item->setDate($item["creation_date"]);
                $this->addItem($feed_item);
            }
        }
    }
}