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<?php
/* Foursquare Community Site
*
* Copyright (C) 2011 Foursquare Church.
*
* Developers: Jesse Morgan <jmorgan@foursquarestaff.com>
*
*/
require_once "base.inc.php";
class ModerationSchedule implements Iterator {
private $moderators;
private $exceptions;
private $year;
private $week;
private $expos;
public function __construct() {
$this->moderators = array();
$this->exceptions = array();
}
public function getNumberOfModerators() {
return count($this->moderators);
}
// Iterator methods
public function rewind() {
$this->year = date('o');
$this->week = date('W') + 0;
$this->expos = 0;
}
public function current() {
// Get the scheduled mod.
$modpos = $this->week % $this->getNumberOfModerators();
$moderator = $this->moderators[$modpos]['user_id'];
// Check for exceptions
if (count($this->exceptions) > 0) {
// Skip exceptions prior to the current() date.
while (
// We have exceptions to search
$this->expos < count($this->exceptions) and
// and the year is less than the current() year
($this->exceptions[$this->expos]['year'] < $this->year or
// or if it is the current() year, but less than the week.
($this->exceptions[$this->expos]['year'] == $this->year
and $this->exceptions[$this->expos]['week'] < $this->week))
) {
$this->expos++;
}
// Check if the top exception is for today.
if ($this->exceptions[$this->expos]['year'] == $this->year
and $this->exceptions[$this->expos]['week'] == $this->week
) {
// Yes, return the replacement
$moderator = $this->exceptions[$this->expos]['user_id'];
}
}
return User::getById($moderator);
}
public function key() {
// TODO: Return "key" for "current" moderator (date)
}
public function next() {
// TODO: Impl. next
}
public function valid() {
// The schedule continues forever.
return true;
}
private function query() {
$db = getDatabase();
$this->rewind();
// Get the moderators
$query = "SELECT * FROM moderation_schedule ORDER BY position";
$this->moderators = $db->fetchAssocRows($query);
// Get the exceptions
$year = date('o');
$week = date('W');
$query = "SELECT * FROM moderator_exceptions"
. " WHERE year >= $year AND week >= $week"
. " ORDER BY year, week";
$this->exceptions = $db->fetchAssocRows($query);
}
}
?>
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