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plateforme-corres2math/server_files/classes/Video.php

132 lines
2.7 KiB
PHP

<?php
class Video
{
const NOT_CONTROLLED = 0;
const REJECTED = -1;
const ACCEPTED = 1;
private $id;
private $team;
private $problem;
private $link;
private $reason;
private $validation;
private $uploaded_at;
private $year;
private $version;
private function __construct() {}
public static function fromId($id)
{
global $DB;
$req = $DB->prepare("SELECT * FROM `videos` WHERE `id` = ?;");
$req->execute([htmlspecialchars($id)]);
$data = $req->fetch();
if ($data === false)
return null;
$video = new Video();
$video->fill($data);
return $video;
}
public static function getVideos($reason, $problem, $validation_min = -1, $team_id = -1)
{
global $DB, $YEAR;
$req = $DB->query("SELECT * FROM `videos` AS `t1` "
. "INNER JOIN (SELECT `team`, `problem`, `reason`, MAX(`uploaded_at`) AS `last_upload`, COUNT(`team`) AS `version` FROM `videos` "
. "WHERE `validation` >= $validation_min AND `year` = $YEAR GROUP BY `problem`, `reason`, `team`) `t2` "
. "ON `t1`.`team` = `t2`.`team` AND `t1`.`reason` = `t2`.`reason` AND `t1`.`problem` = `t2`.`problem` "
. "WHERE `t1`.`uploaded_at` = `t2`.`last_upload` AND `t1`.`problem` = $problem AND `t1`.`reason` = '" . Reason::getName($reason) . "'"
. ($team_id >= 0 ? " AND `t1`.`team` = $team_id" : "")
. " AND `validation` >= $validation_min AND `year` = $YEAR ORDER BY `t1`.`problem`, `t1`.`reason`;");
$videos = [];
while (($data = $req->fetch()) !== false) {
$video = new Video();
$video->fill($data);
$videos[] = $video;
}
return $videos;
}
/**
* @param int $reason
* @param Team $team
* @param int $validation_min
* @return Video|null
*/
public static function getVideo($reason, Team $team, $validation_min = -1) {
$videos = self::getVideos($reason, $team->getProblem(), $validation_min, $team->getId());
if (sizeof($videos) == 0)
return null;
else
return $videos[0];
}
private function fill($data)
{
foreach ($data as $key => $value)
$this->$key = $value;
$this->reason = Reason::fromName($this->reason);
}
public function getId()
{
return $this->id;
}
public function getTeam()
{
return $this->team;
}
public function getProblem()
{
return $this->problem;
}
public function getLink()
{
return $this->link;
}
public function getReason()
{
return $this->reason;
}
public function getValidation()
{
return $this->validation;
}
public function setValidation($validation)
{
global $DB;
$this->validation = $validation;
$DB->exec("UPDATE `videos` SET `validation` = $validation WHERE `id` = $this->id;");
}
public function getUploadedAt()
{
return $this->uploaded_at;
}
public function getYear()
{
return $this->year;
}
public function getVersion()
{
return $this->version;
}
}