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