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<?php //$Id$
require_once('../../config.php');
require_once($CFG->libdir .'/rsslib.php');
require_once(MAGPIE_DIR .'rss_fetch.inc');
require_login();
//ensure that the logged in user is not using the guest account
if (isset($_SERVER['HTTP_REFERER'])){
$referrer = $_SERVER['HTTP_REFERER'];
} else {
$referrer = $CFG->wwwroot;
}
if (isguest()) {
error(get_string('noguestpost', 'forum'), $referrer);
}
optional_variable($act, 'none');
optional_variable($rssid, 'none');
optional_variable($courseid, 'none');
optional_variable($url);
optional_variable($item);
$straddedit = get_string('block_rss_feeds_add_edit', 'block_rss_client');
if ( isadmin() ) {
$stradmin = get_string('administration');
$strconfiguration = get_string('configuration');
$navigation = "<a href=\"$CFG->wwwroot/$CFG->admin/index.php\">$stradmin</a> -> ".
"<a href=\"$CFG->wwwroot/$CFG->admin/configure.php\">$strconfiguration</a> -> $straddedit";
} else if ($courseid != 'none' && $course = get_record('course', 'id', $courseid) ) {
$navigation = "<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> -> $straddedit";
} else {
$navigation = $straddedit;
}
print_header(get_string('block_rss_feeds_add_edit', 'block_rss_client'),
get_string('block_rss_feeds_add_edit', 'block_rss_client'),
$navigation );
//check to make sure that the user is allowed to post new feeds
$submitters = $CFG->block_rss_client_submitters;
$isteacher = false;
if ($courseid != 'none'){
$isteacher = isteacher($courseid);
}
//if the user is an admin or course teacher then allow the user to
//assign categories to other uses than personal
if (isguest() || !( isadmin() || $submitters == SUBMITTERS_ALL_ACCOUNT_HOLDERS || ($submitters == SUBMITTERS_ADMIN_AND_TEACHER && $isteacher) ) ) {
error(get_string('noguestpost', 'forum'), $referrer);
}
if ($act == 'none') {
rss_display_feeds();
rss_get_form($act, $url, $rssid);
} else if ($act == 'updfeed') {
require_variable($url);
// By capturing the output from fetch_rss this way
// error messages do not display and clutter up the moodle interface
// however, we do lose out on seeing helpful messages like "cache hit", etc.
ob_start();
$rss = fetch_rss($url);
$rsserror = ob_get_contents();
ob_end_clean();
$dataobject->id = $rssid;
if ($rss === false) {
$dataobject->description = '';
$dataobject->title = '';
} else {
$dataobject->description = addslashes(rss_unhtmlentities($rss->channel['description']));
$dataobject->title = addslashes(rss_unhtmlentities($rss->channel['title']));
}
$dataobject->url = addslashes($url);
if (!update_record('block_rss_client', $dataobject)) {
error('There was an error trying to update rss feed with id:'. $rssid);
}
rss_display_feeds($rssid);
print '<strong>'. get_string('block_rss_feed_updated', 'block_rss_client') .'</strong>';
rss_get_form($act, $url, $rssid);
} else if ($act == 'addfeed' ) {
require_variable($url);
$dataobject->userid = $USER->id;
$dataobject->description = '';
$dataobject->title = '';
$dataobject->url = addslashes($url);
$rssid = insert_record('block_rss_client', $dataobject);
if (!$rssid){
error('There was an error trying to add a new rss feed:'. $url);
}
// By capturing the output from fetch_rss this way
// error messages do not display and clutter up the moodle interface
// however, we do lose out on seeing helpful messages like "cache hit", etc.
ob_start();
$rss = fetch_rss($url);
$rsserror = ob_get_contents();
ob_end_clean();
if ($rss === false) {
print 'There was an error loading this rss feed. You may want to verify the url you have specified before using it.'; //Daryl Hawes note: localize this line
} else {
$dataobject->id = $rssid;
if (!empty($rss->channel['description'])) {
$dataobject->description = addslashes(rss_unhtmlentities($rss->channel['description']));
}
if (!empty($rss->channel['title'])) {
$dataobject->title = addslashes(unhtmlentities($rss->channel['title']));
}
if (!update_record('block_rss_client', $dataobject)) {
error('There was an error trying to update rss feed with id:'. $rssid);
}
print '<strong>'. get_string('block_rss_feed_added', 'block_rss_client') .'</strong>';
}
rss_display_feeds();
rss_get_form($act, $url, $rssid);
} else if ( $act == 'rss_edit') {
$rss_record = get_record('block_rss_client', 'id', $rssid);
$fname = stripslashes_safe($rss_record->title);
$url = stripslashes_safe($rss_record->url);
rss_get_form($act, $url, $rssid);
} else if ($act == 'delfeed') {
$file = $CFG->dataroot .'/cache/rsscache/'. $rssid .'.xml';
if (file_exists($file)) {
unlink($file);
}
// echo "DEBUG: act = delfeed"; //debug
//Daryl Hawes note: convert this sql statement to a moodle function call
$sql = 'DELETE FROM '. $CFG->prefix .'block_rss_client WHERE id='. $rssid;
$res= $db->Execute($sql);
rss_display_feeds();
print '<strong>'. get_string('block_rss_feed_deleted', 'block_rss_client') .'</strong>';
rss_get_form($act, $url, $rssid);
} else if ($act == 'view') {
// echo $sql; //debug
// print_object($res); //debug
$rss_record = get_record('block_rss_client', 'id', $rssid);
if (!$rss_record->id){
print '<strong>'. get_string('block_rss_could_not_find_feed', 'block_rss_client') .': '. $rssid .'</strong>';
} else {
// By capturing the output from fetch_rss this way
// error messages do not display and clutter up the moodle interface
// however, we do lose out on seeing helpful messages like "cache hit", etc.
ob_start();
$rss = fetch_rss($rss_record->url);
$rsserror = ob_get_contents();
ob_end_clean();
$rss->channel['title'] - rss_unhtmlentities($rss->channel['title']);
print '<table align="center" width="50%" cellspacing="1">'."\n";
print '<tr><td colspan="2"><strong>'. $rss->channel['title'] .'</strong></td></tr>'."\n";
for($y=0; $y < count($rss->items); $y++) {
$rss->items[$y]['title'] = rss_unhtmlentities($rss->items[$y]['title']);
$rss->items[$y]['description'] = rss_unhtmlentities($rss->items[$y]['description']);
if ($rss->items[$y]['link'] == '') {
$rss->items[$y]['link'] = $rss->items[$y]['guid'];
}
if ($rss->items[$y]['title'] == '') {
$rss->items[$y]['title'] = '&gt;&gt;';
}
print '<tr><td valign="middle">'."\n";
print '<a href="'. $rss->items[$y]['link'] .'" target=_new><strong>'. $rss->items[$y]['title'];
print '</strong></a>'."\n";
print '</td>'."\n";
if (file_exists($CFG->dirroot .'/blog/lib.php')) {
print '<td align="right">'."\n";
print '<img src="'. $CFG->pixpath .'/blog/blog.gif" alt="'. get_string('blog_blog_this', 'blog').'" title="'. get_string('blog_blog_this', 'blog') .'" border="0" align="middle" />'."\n";
print '<a href="'. $CFG->wwwroot .'/blog/blogthis.php?blogid='. $blogid .'&act=use&item='. $y .'&rssid='. $rssid .'"><small><strong>'. get_string('blog_blog_this', 'blog') .'</strong></small></a>'."\n";
} else {
print '<td>&nbsp;';
}
print '</td></tr>'."\n";
print '<tr><td colspan=2><small>';
print $rss->items[$y]['description'] .'</small></td></tr>'."\n";
}
print '</table>'."\n";
}
} else {
rss_display_feeds();
rss_get_form($act, $url, $rssid);
}
print_footer();
?>
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