function validation($data, $files)
{
$errors = parent::validation($data, $files);
$rss = new moodle_simplepie();
// set timeout for longer than normal to try and grab the feed
$rss->set_timeout(10);
$rss->set_feed_url($data['url']);
$rss->set_autodiscovery_cache_duration(0);
$rss->set_autodiscovery_level(SIMPLEPIE_LOCATOR_NONE);
$rss->init();
if ($rss->error()) {
$errors['url'] = get_string('errorloadingfeed', 'block_rss_client', $rss->error());
} else {
$this->title = $rss->get_title();
$this->description = $rss->get_description();
}
return $errors;
}
public function definition_after_data()
{
global $CFG, $COURSE;
$mform =& $this->_form;
$name = trim($mform->getElementValue('name'));
$description = trim($mform->getElementValue('description'));
$url = $mform->getElementValue('url');
if (empty($name) || empty($description)) {
$rss = new moodle_simplepie($url);
if (empty($name) && $rss->get_title()) {
$mform->setDefault('name', $rss->get_title());
}
if (empty($description) && $rss->get_description()) {
$mform->setDefault('description', $rss->get_description());
}
}
if ($id = $mform->getElementValue('id')) {
$mform->setDefault('autotags', implode(',', tag_get_tags_array('blog_external', $id)));
$mform->freeze('url');
$mform->freeze('filtertags');
// TODO change the filtertags element to a multiple select, using the tags of the external blog
// Use $rss->get_channel_tags()
}
}
/**
* Returns the html of a feed to be displaed in the block
*
* @param mixed feedrecord The feed record from the database
* @param int maxentries The maximum number of entries to be displayed
* @param boolean showtitle Should the feed title be displayed in html
* @return string html representing the rss feed content
*/
function get_feed_html($feedrecord, $maxentries, $showtitle)
{
global $CFG;
require_once $CFG->libdir . '/simplepie/moodle_simplepie.php';
$feed = new moodle_simplepie($feedrecord->url);
if (isset($CFG->block_rss_client_timeout)) {
$feed->set_cache_duration($CFG->block_rss_client_timeout * 60);
}
if (debugging() && $feed->error()) {
return '<p>' . $feedrecord->url . ' Failed with code: ' . $feed->error() . '</p>';
}
$r = '';
// return string
if ($this->config->block_rss_client_show_channel_image) {
if ($image = $feed->get_image_url()) {
$imagetitle = s($feed->get_image_title());
$imagelink = $feed->get_image_link();
$r .= '<div class="image" title="' . $imagetitle . '">' . "\n";
if ($imagelink) {
$r .= '<a href="' . $imagelink . '">';
}
$r .= '<img src="' . $image . '" alt="' . $imagetitle . '" />' . "\n";
if ($imagelink) {
$r .= '</a>';
}
$r .= '</div>';
}
}
if (empty($feedrecord->preferredtitle)) {
$feedtitle = $this->format_title($feed->get_title());
} else {
$feedtitle = $this->format_title($feedrecord->preferredtitle);
}
if ($showtitle) {
$r .= '<div class="title">' . $feedtitle . '</div>';
}
$r .= '<ul class="list no-overflow">' . "\n";
$feeditems = $feed->get_items(0, $maxentries);
foreach ($feeditems as $item) {
$r .= $this->get_item_html($item);
}
$r .= '</ul>';
if ($this->config->block_rss_client_show_channel_link) {
$channellink = $feed->get_link();
if (!empty($channellink)) {
//NOTE: this means the 'last feed' display wins the block title - but
//this is exiting behaviour..
$this->content->footer = '<a href="' . htmlspecialchars(clean_param($channellink, PARAM_URL)) . '">' . get_string('clientchannellink', 'block_rss_client') . '</a>';
}
}
if (empty($this->config->title)) {
//NOTE: this means the 'last feed' displayed wins the block title - but
//this is exiting behaviour..
$this->title = strip_tags($feedtitle);
}
return $r;
}
function test_redirect()
{
global $CFG;
$feed = new moodle_simplepie(moodlesimplepie_test::REDIRECTURL);
$this->assertFalse($feed->error());
$this->assertEqual($feed->get_title(), 'Moodle News');
$this->assertEqual($feed->get_link(), 'http://moodle.org/mod/forum/view.php?f=1');
}
debugging($rss->error());
print_error('errorfetchingrssfeed');
}
$strviewfeed = get_string('viewfeed', 'block_rss_client');
$PAGE->set_title($strviewfeed);
$PAGE->set_heading($strviewfeed);
$managefeeds = new moodle_url('/blocks/rss_client/managefeeds.php', $urlparams);
$PAGE->navbar->add(get_string('blocks'));
$PAGE->navbar->add(get_string('pluginname', 'block_rss_client'));
$PAGE->navbar->add(get_string('managefeeds', 'block_rss_client'), $managefeeds);
$PAGE->navbar->add($strviewfeed);
echo $OUTPUT->header();
if (!empty($rssrecord->preferredtitle)) {
$feedtitle = $rssrecord->preferredtitle;
} else {
$feedtitle = $rss->get_title();
}
echo '<table align="center" width="50%" cellspacing="1">' . "\n";
echo '<tr><td colspan="2"><strong>' . s($feedtitle) . '</strong></td></tr>' . "\n";
foreach ($rss->get_items() as $item) {
echo '<tr><td valign="middle">' . "\n";
echo '<a href="' . $item->get_link() . '" target="_blank"><strong>';
echo s($item->get_title());
echo '</strong></a>' . "\n";
echo '</td>' . "\n";
echo '</tr>' . "\n";
echo '<tr><td colspan="2"><small>';
echo format_text($item->get_description(), FORMAT_HTML) . '</small></td></tr>' . "\n";
}
echo '</table>' . "\n";
echo $OUTPUT->footer();
$newexternal->url = $data->url;
$newexternal->filtertags = !empty($data->filtertags) ? $data->filtertags : null;
$newexternal->timemodified = time();
$newexternal->id = $DB->insert_record('blog_external', $newexternal);
core_tag_tag::set_item_tags('core', 'blog_external', $newexternal->id, context_user::instance($newexternal->userid), $data->autotags);
blog_sync_external_entries($newexternal);
// Log this action.
$eventparms = array('context' => $context, 'objectid' => $newexternal->id, 'other' => array('url' => $newexternal->url));
$event = \core\event\blog_external_added::create($eventparms);
$event->trigger();
break;
case 'edit':
if ($data->id && $DB->record_exists('blog_external', array('id' => $data->id))) {
$rss = new moodle_simplepie($data->url);
$external->id = $data->id;
$external->name = empty($data->name) ? $rss->get_title() : $data->name;
$external->description = empty($data->description) ? $rss->get_description() : $data->description;
$external->userid = $USER->id;
$external->url = $data->url;
$external->filtertags = !empty($data->filtertags) ? $data->filtertags : null;
$external->timemodified = time();
$DB->update_record('blog_external', $external);
// Log this action.
$eventparms = array('context' => $context, 'objectid' => $external->id, 'other' => array('url' => $external->url));
$event = \core\event\blog_external_updated::create($eventparms);
$event->trigger();
core_tag_tag::set_item_tags('core', 'blog_external', $external->id, context_user::instance($external->userid), $data->autotags);
} else {
print_error('wrongexternalid', 'blog');
}
break;
function test_redirect()
{
global $CFG;
$feed = new moodle_simplepie();
$feed->set_timeout(self::TIMEOUT);
$feed->set_feed_url(self::REDIRECTURL);
$feed->init();
$this->assertNull($feed->error());
$this->assertEquals($feed->get_title(), 'Moodle News');
$this->assertEquals($feed->get_link(), 'http://moodle.org/mod/forum/view.php?f=1');
}
/**
* Returns the html of a feed to be displaed in the block
*
* @param mixed feedrecord The feed record from the database
* @param int maxentries The maximum number of entries to be displayed
* @param boolean showtitle Should the feed title be displayed in html
* @return block_rss_client\output\feed|null The renderable feed or null of there is an error
*/
public function get_feed($feedrecord, $maxentries, $showtitle)
{
global $CFG;
require_once $CFG->libdir . '/simplepie/moodle_simplepie.php';
$simplepiefeed = new moodle_simplepie($feedrecord->url);
if (isset($CFG->block_rss_client_timeout)) {
$simplepiefeed->set_cache_duration($CFG->block_rss_client_timeout * 60);
}
if ($simplepiefeed->error()) {
debugging($feedrecord->url . ' Failed with code: ' . $simplepiefeed->error());
return null;
}
if (empty($feedrecord->preferredtitle)) {
$feedtitle = $this->format_title($simplepiefeed->get_title());
} else {
$feedtitle = $this->format_title($feedrecord->preferredtitle);
}
if (empty($this->config->title)) {
//NOTE: this means the 'last feed' displayed wins the block title - but
//this is exiting behaviour..
$this->title = strip_tags($feedtitle);
}
$feed = new \block_rss_client\output\feed($feedtitle, $showtitle, $this->config->block_rss_client_show_channel_image);
if ($simplepieitems = $simplepiefeed->get_items(0, $maxentries)) {
foreach ($simplepieitems as $simplepieitem) {
try {
$item = new \block_rss_client\output\item($simplepieitem->get_id(), new moodle_url($simplepieitem->get_link()), $simplepieitem->get_title(), $simplepieitem->get_description(), new moodle_url($simplepieitem->get_permalink()), $simplepieitem->get_date('U'), $this->config->display_description);
$feed->add_item($item);
} catch (moodle_exception $e) {
// If there is an error with the RSS item, we don't
// want to crash the page. Specifically, moodle_url can
// throw an exception of the param is an extremely
// malformed url.
debugging($e->getMessage());
}
}
}
// Feed image.
if ($imageurl = $simplepiefeed->get_image_url()) {
try {
$image = new \block_rss_client\output\channel_image(new moodle_url($imageurl), $simplepiefeed->get_image_title(), new moodle_url($simplepiefeed->get_image_link()));
$feed->set_image($image);
} catch (moodle_exception $e) {
// If there is an error with the RSS image, we don'twant to
// crash the page. Specifically, moodle_url can throw an
// exception if the param is an extremely malformed url.
debugging($e->getMessage());
}
}
return $feed;
}
public function test_redirect()
{
$feed = new moodle_simplepie($this->getExternalTestFileUrl('/rss_redir.php'), self::TIMEOUT);
$this->assertNull($feed->error());
$this->assertSame('Moodle News', $feed->get_title());
$this->assertSame('http://moodle.org/mod/forum/view.php?f=1', $feed->get_link());
}
/**
* Returns the html of a feed to be displaed in the block
*
* @param mixed feedrecord The feed record from the database
* @param int maxentries The maximum number of entries to be displayed
* @param boolean showtitle Should the feed title be displayed in html
* @return string html representing the rss feed content
*/
function get_feed_html($feedrecord, $maxentries, $showtitle)
{
global $CFG;
require_once $CFG->libdir . '/simplepie/moodle_simplepie.php';
$feed = new moodle_simplepie($feedrecord->url);
if (isset($CFG->block_rss_plus_timeout)) {
$feed->set_cache_duration($CFG->block_rss_plus_timeout * 60);
}
if (debugging() && $feed->error()) {
return '<p>' . $feedrecord->url . ' Failed with code: ' . $feed->error() . '</p>';
}
$r = '';
// return string
if (empty($feedrecord->preferredtitle)) {
$feedtitle = $this->format_title($feed->get_title());
} else {
$feedtitle = $this->format_title($feedrecord->preferredtitle);
}
$r .= '<div class="rsswrap">';
$r .= '<ul class="list no-overflow">' . "\n";
$feeditems = $feed->get_items(0, $maxentries);
foreach ($feeditems as $item) {
$r .= $this->get_item_html($item);
}
$r .= '</ul>';
$r .= '</div>';
return $r;
}
