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<?php
class Conferences
{
const MANDATOR_DIR = 'configs/conferences/';
public static function listConferences() {
$directories = scandir(forceslash(Conferences::MANDATOR_DIR));
$conferences = array_filter($directories, function($dirname) {
return $dirname[0] != '.';
});
return $conferences;
}
public static function getConferences() {
$conferences = [];
foreach(Conferences::listConferences() as $conference)
{
try {
$conferences[$conference] = Conferences::getConference($conference);
}
catch(Exception $e) {
// ignore unloadable conferences
}
}
return $conferences;
}
public static function getConferencesCount() {
return count(Conferences::listConferences());
}
public static function getActiveConferences() {
return array_values(array_filter(
Conferences::getConferencesSorted(),
function($conference) {
return !$conference->isClosed() && !$conference->isUnlisted();
}
));
}
public static function getActiveConferencesCount() {
return count(Conferences::getActiveConferences());
}
public static function getConferencesSorted() {
$sorted = Conferences::getConferences();
usort($sorted, function($a, $b) {
return $b->startsAt() > $a->startsAt() ? 1 : -1;
});
return $sorted;
}
public static function getFinishedConferencesSorted() {
$sorted = Conferences::getConferencesSorted();
$finished = array_values(array_filter($sorted, function($c) {
return $c->hasEnded();
}));
return $finished;
}
public static function getLastConference() {
return Conferences::getFinishedConferencesSorted()[0];
}
public static function exists($mandator) {
return in_array($mandator, Conferences::listConferences());
}
private static function migrateTranslationConfiguration($config) {
// Allow setting TRANSLATION simply to true and fill in default values for uniformity
$rooms = $config['ROOMS'];
foreach ($rooms as $slug => $room) {
// Translation is commented out, equaivalent of false
if (!isset($room['TRANSLATION'])) {
$config['ROOMS'][$slug]['TRANSLATION'] = [];
}
// Translation is present but not an array
elseif (! is_array($room['TRANSLATION'])) {
// Translation is true, set default values
if ($room['TRANSLATION'] === true) {
$config['ROOMS'][$slug]['TRANSLATION'] = [[
'endpoint' => 'translated',
'label' => 'Translated'
]];
}
// Translation is false or garbage
else {
$config['ROOMS'][$slug]['TRANSLATION'] = [];
}
}
}
return $config;
}
public static function loadConferenceConfig($mandator) {
$configfile = forceslash(Conferences::MANDATOR_DIR).forceslash($mandator).'config.php';
$config = include($configfile);
if(!is_array($config)) {
throw new ConfigException("Loading $configfile did not return an array. Maybe it's missing a return-statement?");
}
$config = Conferences::migrateTranslationConfiguration($config);
return $config;
}
public static function getConference($mandator) {
return new Conference(Conferences::loadConferenceConfig($mandator), $mandator);
}
public static function hasCustomStyles($mandator) {
return file_exists(Conferences::getCustomStyles($mandator));
}
public static function getCustomStyles($mandator) {
return forceslash(Conferences::getCustomStylesDir($mandator)).'main.less';
}
public static function getCustomStylesDir($mandator) {
return forceslash(Conferences::MANDATOR_DIR).forceslash($mandator);
}
}
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