237 lines
8.8 KiB
PHP
Executable File
237 lines
8.8 KiB
PHP
Executable File
<?php
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require_once 'src/SSettings.php';
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require_once 'RequestBase.php';
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/**
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* Class Video
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* backend for all interactions with videoloads and receiving of video infos
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*/
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class Video extends RequestBase {
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private $videopath;
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public function __construct() {
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$settings = new SSettings();
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// load video path from settings
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$this->videopath = $settings->getVideoPath();
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}
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function initHandlers() {
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$this->getVideos();
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$this->loadVideos();
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$this->addToVideo();
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}
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/**
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* function handles load of all videos and search for videos
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*/
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private function getVideos() {
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$this->addActionHandler("getMovies", function () {
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$query = "SELECT movie_id,movie_name FROM videos ORDER BY create_date DESC, movie_name";
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if (isset($_POST['tag'])) {
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$tag = $_POST['tag'];
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if ($_POST['tag'] != "all") {
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$query = "SELECT movie_id,movie_name FROM videos
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INNER JOIN video_tags vt on videos.movie_id = vt.video_id
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INNER JOIN tags t on vt.tag_id = t.tag_id
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WHERE t.tag_name = '$tag'
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ORDER BY likes DESC, create_date, movie_name";
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}
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}
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$result = $this->conn->query($query);
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$rows = array();
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while ($r = mysqli_fetch_assoc($result)) {
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array_push($rows, $r);
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}
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$this->commitMessage(json_encode($rows));
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});
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$this->addActionHandler("getRandomMovies", function () {
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$return = new stdClass();
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$query = "SELECT movie_id,movie_name FROM videos ORDER BY RAND() LIMIT " . $_POST['number'];
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$result = $this->conn->query($query);
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$return->rows = array();
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// get tags of random videos
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$ids = [];
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while ($r = mysqli_fetch_assoc($result)) {
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array_push($return->rows, $r);
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array_push($ids, "video_tags.video_id=" . $r['movie_id']);
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}
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$idstring = implode(" OR ", $ids);
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$return->tags = array();
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$query = "SELECT t.tag_name FROM video_tags
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INNER JOIN tags t on video_tags.tag_id = t.tag_id
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WHERE $idstring
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GROUP BY t.tag_name";
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$result = $this->conn->query($query);
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while ($r = mysqli_fetch_assoc($result)) {
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array_push($return->tags, $r);
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}
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$this->commitMessage(json_encode($return));
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});
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$this->addActionHandler("getSearchKeyWord", function () {
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$search = $_POST['keyword'];
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$query = "SELECT movie_id,movie_name FROM videos
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WHERE movie_name LIKE '%$search%'
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ORDER BY likes DESC, create_date DESC, movie_name";
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$result = $this->conn->query($query);
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$rows = array();
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while ($r = mysqli_fetch_assoc($result)) {
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array_push($rows, $r);
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}
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$this->commitMessage(json_encode($rows));
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});
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}
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/**
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* function to handle stuff for loading specific videos and startdata
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*/
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private function loadVideos() {
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$this->addActionHandler("loadVideo", function () {
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$video_id = $_POST['movieid'];
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$query = " SELECT movie_name,movie_id,movie_url,thumbnail,poster,likes,quality,length
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FROM videos WHERE movie_id=$video_id";
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$result = $this->conn->query($query);
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$row = $result->fetch_assoc();
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$arr = array();
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if ($row["poster"] == null) {
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$arr["thumbnail"] = $row["thumbnail"];
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} else {
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$arr["thumbnail"] = $row["poster"];
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}
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$arr["movie_id"] = $row["movie_id"];
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$arr["movie_name"] = $row["movie_name"];
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// todo drop video url from db -- maybe one with and one without extension
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// extension hardcoded here!!!
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$arr["movie_url"] = str_replace("?", "%3F", $this->videopath . $row["movie_name"] . ".mp4");
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$arr["likes"] = (int) $row["likes"];
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$arr["quality"] = $row["quality"];
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$arr["length"] = $row["length"];
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// load tags of this video
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$arr['tags'] = array();
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$query = "SELECT t.tag_name FROM video_tags
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INNER JOIN tags t on video_tags.tag_id = t.tag_id
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WHERE video_tags.video_id=$video_id
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GROUP BY t.tag_name";
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$result = $this->conn->query($query);
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while ($r = mysqli_fetch_assoc($result)) {
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array_push($arr['tags'], $r);
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}
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// get the random predict tags
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$arr['suggesttag'] = array();
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// select 5 random tags which are not selected for current video
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$query = "SELECT * FROM tags
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WHERE tag_id NOT IN (
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SELECT video_tags.tag_id FROM video_tags
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WHERE video_id=$video_id)
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ORDER BY rand()
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LIMIT 5";
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$result = $this->conn->query($query);
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while ($r = mysqli_fetch_assoc($result)) {
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array_push($arr['suggesttag'], $r);
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}
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$this->commitMessage(json_encode($arr));
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});
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$this->addActionHandler("readThumbnail", function () {
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$query = "SELECT thumbnail FROM videos WHERE movie_id='" . $_POST['movieid'] . "'";
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$result = $this->conn->query($query);
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$row = $result->fetch_assoc();
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$this->commitMessage($row["thumbnail"]);
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});
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$this->addActionHandler("getStartData", function () {
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$query = "SELECT COUNT(*) as nr FROM videos";
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$result = $this->conn->query($query);
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$r = mysqli_fetch_assoc($result);
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$arr = array();
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$arr['total'] = $r['nr'];
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$query = "SELECT COUNT(*) as nr FROM videos
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INNER JOIN video_tags vt on videos.movie_id = vt.video_id
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INNER JOIN tags t on vt.tag_id = t.tag_id";
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$result = $this->conn->query($query);
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$r = mysqli_fetch_assoc($result);
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$arr['tagged'] = $r['nr'];
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$query = "SELECT COUNT(*) as nr FROM videos
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INNER JOIN video_tags vt on videos.movie_id = vt.video_id
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INNER JOIN tags t on vt.tag_id = t.tag_id
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WHERE t.tag_name='hd'";
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$result = $this->conn->query($query);
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$r = mysqli_fetch_assoc($result);
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$arr['hd'] = $r['nr'];
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$query = "SELECT COUNT(*) as nr FROM videos
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INNER JOIN video_tags vt on videos.movie_id = vt.video_id
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INNER JOIN tags t on vt.tag_id = t.tag_id
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WHERE t.tag_name='fullhd'";
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$result = $this->conn->query($query);
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$r = mysqli_fetch_assoc($result);
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$arr['fullhd'] = $r['nr'];
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$query = "SELECT COUNT(*) as nr FROM videos
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INNER JOIN video_tags vt on videos.movie_id = vt.video_id
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INNER JOIN tags t on vt.tag_id = t.tag_id
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WHERE t.tag_name='lowquality'";
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$result = $this->conn->query($query);
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$r = mysqli_fetch_assoc($result);
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$arr['sd'] = $r['nr'];
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$query = "SELECT COUNT(*) as nr FROM tags";
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$result = $this->conn->query($query);
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$r = mysqli_fetch_assoc($result);
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$arr['tags'] = $r['nr'];
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$this->commitMessage(json_encode($arr));
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});
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}
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/**
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* function to handle api handlers for stuff to add to video or database
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*/
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private function addToVideo() {
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$this->addActionHandler("addLike", function () {
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$movieid = $_POST['movieid'];
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$query = "update videos set likes = likes + 1 where movie_id = '$movieid'";
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if ($this->conn->query($query) === TRUE) {
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$this->commitMessage('{"result":"success"}');
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} else {
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$this->commitMessage('{"result":"' . $this->conn->error . '"}');
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}
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});
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$this->addActionHandler("deleteVideo", function () {
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$movieid = $_POST['movieid'];
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// delete video entry and corresponding tag infos
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$query = "DELETE FROM videos WHERE movie_id=$movieid";
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if ($this->conn->query($query) === TRUE) {
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$this->commitMessage('{"result":"success"}');
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} else {
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$this->commitMessage('{"result":"' . $this->conn->error . '"}');
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}
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});
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}
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}
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