/**
* Gets the footer, which is the channel link of the last feed in our list of feeds
*
* @param array $feedrecords The feed records from the database.
* @return block_rss_client\output\footer|null The renderable footer or null if none should be displayed.
*/
protected function get_footer($feedrecords)
{
$footer = null;
if ($this->config->block_rss_client_show_channel_link) {
global $CFG;
require_once $CFG->libdir . '/simplepie/moodle_simplepie.php';
$feedrecord = array_pop($feedrecords);
$feed = new moodle_simplepie($feedrecord->url);
$channellink = new moodle_url($feed->get_link());
if (!empty($channellink)) {
$footer = new block_rss_client\output\footer($channellink);
}
}
return $footer;
}
/**
* Returns the html of a feed to be displaed in the block
*
* @param mixed feedrecord The feed record from the database
* @param int maxentries The maximum number of entries to be displayed
* @param boolean showtitle Should the feed title be displayed in html
* @return string html representing the rss feed content
*/
function get_feed_html($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');
}
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');
}
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());
}
