new folder structure for php scripts

renamed api nodes
php braces on same line

api/src/Database.php

@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * Class Database
+ *
+ * Class with all neccessary stuff for the Database connections.
+ */
+class Database {
+    private static ?Database $instance = null;
+    private mysqli $conn;
+
+    private string $servername = "192.168.0.30";
+    private string $username = "root";
+    private string $password = "1qayxsw2";
+    private string $dbname = "mediacenter";
+
+    // The db connection is established in the private constructor.
+    private function __construct() {
+        // Create connection
+        $this->conn = new mysqli($this->servername, $this->username, $this->password, $this->dbname);
+
+        if ($this->conn->connect_errno) {
+            echo "connecton failed... nr: " . $this->conn->connect_errno . " -- " . $this->conn->connect_error;
+        }
+    }
+
+    /**
+     * get an instance of this database class
+     * (only possible way to retrieve an object)
+     *
+     * @return Database dbobject
+     */
+    public static function getInstance() {
+        if (!self::$instance) {
+            self::$instance = new Database();
+        }
+
+        return self::$instance;
+    }
+
+    /**
+     * get a connection instance of the database
+     *
+     * @return mysqli mysqli instance
+     */
+    public function getConnection() {
+        return $this->conn;
+    }
+
+    /**
+     * get name of current active database
+     * @return string name
+     */
+    public function getDatabaseName() {
+        return $this->dbname;
+    }
+}

api/src/SSettings.php

@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Class SSettings
+ * class handling all Settings used by php scripts
+ */
+class SSettings {
+    private ?Database $database;
+
+    /**
+     * SSettings constructor.
+     */
+    public function __construct() {
+        $this->database = Database::getInstance();
+    }
+
+    /**
+     * get the videopath saved in db
+     * @return string videopath
+     */
+    public function getVideoPath() {
+        $query = "SELECT video_path from settings";
+
+        $result = $this->database->getConnection()->query($query);
+
+        $r = mysqli_fetch_assoc($result);
+        return $r['video_path'];
+    }
+
+    /**
+     * check if TMDB is enableds
+     * @return bool isenabled?
+     */
+    public function isTMDBGrabbingEnabled(): bool {
+        $query = "SELECT TMDB_grabbing from settings";
+
+        $result = $this->database->getConnection()->query($query);
+        if (!$result) {
+            return true; // if undefined in db --> default true
+        } else {
+            $r = mysqli_fetch_assoc($result);
+            return $r['TMDB_grabbing'] == '1';
+        }
+    }
+}

api/src/TMDBMovie.php

@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * Class TMDBMovie
+ * class to handle all interactions with the tmdb api
+ */
+class TMDBMovie {
+    public $picturebase = "https://image.tmdb.org/t/p/w500";
+    private $apikey = "9fd90530b11447f5646f8e6fb4733fb4";
+    private $baseurl = "https://api.themoviedb.org/3/";
+
+    /**
+     * search for a specific movie
+     *
+     * @param string $moviename moviename
+     * @return object movie object or null if not found
+     */
+    public function searchMovie(string $moviename) {
+        $reply = json_decode(file_get_contents($this->baseurl . "search/movie?api_key=" . $this->apikey . "&query=" . urlencode($moviename)));
+        if ($reply->total_results == 0) {
+            // no results found
+            // todo maybe parse first pictures somehow
+            return null;
+        } else {
+            return $reply->results[0];
+        }
+    }
+
+    /**
+     * query all available genres from tmdb
+     *
+     * @return array of all available genres
+     */
+    public function getAllGenres() {
+        $reply = json_decode(file_get_contents($this->baseurl . "genre/movie/list?api_key=" . $this->apikey));
+        return $reply->genres;
+    }
+}

api/src/handlers/RequestBase.php

@@ -0,0 +1,50 @@
+<?php
+require_once 'src/Database.php';
+
+abstract class RequestBase {
+    protected mysqli $conn;
+    private array $actions = array();
+
+    /**
+     * adds a new action handler to the current api file
+     *
+     * @param $action string name of the action variable
+     * @param $callback Closure callback function to be called
+     */
+    function addActionHandler($action, $callback) {
+        $this->actions[$action] = $callback;
+    }
+
+    /**
+     * runs the correct handler
+     * should be called once within the api request
+     */
+    function handleAction() {
+        $this->conn = Database::getInstance()->getConnection();
+
+        if (isset($_POST['action'])) {
+            $this->initHandlers();
+
+            $action = $_POST['action'];
+
+            // call the right handler
+            $this->actions[$action]();
+        } else {
+            echo('{data:"error"}');
+        }
+    }
+
+    /**
+     * Send response message and exit script
+     * @param $message string the response message
+     */
+    function commitMessage($message){
+        echo $message;
+        exit(0);
+    }
+
+    /**
+     * add the action handlers in this abstract method
+     */
+    abstract function initHandlers();
+}

api/src/handlers/Settings.php

@@ -0,0 +1,82 @@
+<?php
+require_once 'RequestBase.php';
+
+/**
+ * Class Settings
+ * Backend for the Settings page
+ */
+class Settings extends RequestBase {
+    function initHandlers() {
+        $this->getFromDB();
+        $this->saveToDB();
+    }
+
+    /**
+     * handle settings stuff to load from db
+     */
+    private function getFromDB(){
+        /**
+         * load currently set settings form db for init of settings page
+         */
+        $this->addActionHandler("loadGeneralSettings", function () {
+            $query = "SELECT * from settings";
+
+            $result = $this->conn->query($query);
+
+            $r = mysqli_fetch_assoc($result);
+            // booleans need to be set manually
+            $r['passwordEnabled'] = $r['password'] != "-1";
+            $r['TMDB_grabbing'] = ($r['TMDB_grabbing'] != '0');
+
+            echo json_encode($r);
+        });
+
+        /**
+         * load initial data for home page load to check if pwd is set
+         */
+        $this->addActionHandler("loadInitialData", function () {
+            $query = "SELECT * from settings";
+
+            $result = $this->conn->query($query);
+
+            $r = mysqli_fetch_assoc($result);
+
+            $r['passwordEnabled'] = $r['password'] != "-1";
+            unset($r['password']);
+            $r['DarkMode'] = (bool)($r['DarkMode'] != '0');
+            $this->commitMessage(json_encode($r));
+        });
+    }
+
+    /**
+     * handle setting stuff to save to db
+     */
+    private function saveToDB(){
+        /**
+         * save changed settings to db
+         */
+        $this->addActionHandler("saveGeneralSettings", function () {
+            $mediacentername = $_POST['mediacentername'];
+            $password = $_POST['password'];
+            $videopath = $_POST['videopath'];
+            $tvshowpath = $_POST['tvshowpath'];
+            $tmdbsupport = $_POST['tmdbsupport'];
+            $darkmodeenabled = $_POST['darkmodeenabled'];
+
+            $query = "UPDATE settings SET 
+                        video_path='$videopath',
+                        episode_path='$tvshowpath',
+                        password='$password',
+                        mediacenter_name='$mediacentername',
+                        TMDB_grabbing=$tmdbsupport, 
+                        DarkMode=$darkmodeenabled
+                    WHERE 1";
+
+            if ($this->conn->query($query) === true) {
+                $this->commitMessage('{"success": true}');
+            } else {
+                $this->commitMessage('{"success": true}');
+            }
+        });
+    }
+}

api/src/handlers/Tags.php

@@ -0,0 +1,66 @@
+<?php
+require_once 'RequestBase.php';
+
+/**
+ * Class Tags
+ * backend to handle Tag database interactions
+ */
+class Tags extends RequestBase {
+    function initHandlers() {
+        $this->addToDB();
+        $this->getFromDB();
+    }
+
+    private function getFromDB(){
+        /**
+         * returns all available tags from database
+         */
+        $this->addActionHandler("getAllTags", function () {
+            $query = "SELECT tag_name,tag_id from tags";
+            $result = $this->conn->query($query);
+
+            $rows = array();
+            while ($r = mysqli_fetch_assoc($result)) {
+                array_push($rows, $r);
+            }
+            $this->commitMessage(json_encode($rows));
+        });
+    }
+
+    private function addToDB(){
+        /**
+         * creates a new tag
+         * query requirements:
+         * * tagname -- name of the new tag
+         */
+        $this->addActionHandler("createTag", function () {
+            $query = "INSERT INTO tags (tag_name) VALUES ('" . $_POST['tagname'] . "')";
+
+            if ($this->conn->query($query) === TRUE) {
+                $this->commitMessage('{"result":"success"}');
+            } else {
+                $this->commitMessage('{"result":"' . $this->conn->error . '"}');
+            }
+        });
+
+        /**
+         * adds a new tag to an existing video
+         *
+         * query requirements:
+         * * movieid  -- the id of the video to add the tag to
+         * * id -- the tag id which tag to add
+         */
+        $this->addActionHandler("addTag", function () {
+            $movieid = $_POST['movieid'];
+            $tagid = $_POST['id'];
+
+            $query = "INSERT INTO video_tags(tag_id, video_id) VALUES ('$tagid','$movieid')";
+
+            if ($this->conn->query($query) === TRUE) {
+                $this->commitMessage('{"result":"success"}');
+            } else {
+                $this->commitMessage('{"result":"' . $this->conn->error . '"}');
+            }
+        });
+    }
+}

api/src/handlers/Video.php

@@ -0,0 +1,206 @@
+<?php
+require_once 'src/SSettings.php';
+require_once 'RequestBase.php';
+
+/**
+ * Class Video
+ * backend for all interactions with videoloads and receiving of video infos
+ */
+class Video extends RequestBase {
+    private string $videopath;
+
+    public function __construct() {
+        $settings = new SSettings();
+        // load video path from settings
+        $this->videopath = $settings->getVideoPath();
+    }
+
+    function initHandlers() {
+        $this->getVideos();
+        $this->loadVideos();
+        $this->addToVideo();
+    }
+
+    /**
+     * function handles load of all videos and search for videos
+     */
+    private function getVideos() {
+        $this->addActionHandler("getMovies", function () {
+            $query = "SELECT movie_id,movie_name FROM videos ORDER BY create_date DESC, movie_name";
+            if (isset($_POST['tag'])) {
+                $tag = $_POST['tag'];
+                if ($_POST['tag'] != "all") {
+                    $query = "SELECT movie_id,movie_name FROM videos 
+                            INNER JOIN video_tags vt on videos.movie_id = vt.video_id
+                            INNER JOIN tags t on vt.tag_id = t.tag_id
+                            WHERE t.tag_name = '$tag'
+                            ORDER BY likes DESC, create_date, movie_name";
+                }
+            }
+            $result = $this->conn->query($query);
+            $rows = array();
+            while ($r = mysqli_fetch_assoc($result)) {
+                array_push($rows, $r);
+            }
+
+            $this->commitMessage(json_encode($rows));
+        });
+
+        $this->addActionHandler("getRandomMovies", function () {
+            $return = new stdClass();
+            $query = "SELECT movie_id,movie_name FROM videos ORDER BY RAND() LIMIT " . $_POST['number'];
+            $result = $this->conn->query($query);
+            $return->rows = array();
+
+            // get tags of random videos
+            $ids = [];
+            while ($r = mysqli_fetch_assoc($result)) {
+                array_push($return->rows, $r);
+                array_push($ids, "video_tags.video_id=" . $r['movie_id']);
+            }
+
+            $idstring = implode(" OR ", $ids);
+
+            $return->tags = array();
+            $query = "SELECT t.tag_name FROM video_tags 
+                        INNER JOIN tags t on video_tags.tag_id = t.tag_id
+                        WHERE $idstring
+                        GROUP BY t.tag_name";
+            $result = $this->conn->query($query);
+            while ($r = mysqli_fetch_assoc($result)) {
+                array_push($return->tags, $r);
+            }
+
+            $this->commitMessage(json_encode($return));
+        });
+
+        $this->addActionHandler("getSearchKeyWord", function () {
+            $search = $_POST['keyword'];
+
+            $query = "SELECT movie_id,movie_name FROM videos 
+                        WHERE movie_name LIKE '%$search%'
+                        ORDER BY likes DESC, create_date DESC, movie_name";
+            $result = $this->conn->query($query);
+            $rows = array();
+            while ($r = mysqli_fetch_assoc($result)) {
+                array_push($rows, $r);
+            }
+
+            $this->commitMessage(json_encode($rows));
+        });
+    }
+
+    /**
+     * function to handle stuff for loading specific videos and startdata
+     */
+    private function loadVideos() {
+        $this->addActionHandler("loadVideo", function () {
+            $query = "SELECT movie_name,movie_id,movie_url,thumbnail,poster,likes,quality,length FROM videos WHERE movie_id='" . $_POST['movieid'] . "'";
+
+            $result = $this->conn->query($query);
+            $row = $result->fetch_assoc();
+
+            $arr = array();
+            if ($row["poster"] == null) {
+                $arr["thumbnail"] = $row["thumbnail"];
+            } else {
+                $arr["thumbnail"] = $row["poster"];
+            }
+
+            $arr["movie_id"] = $row["movie_id"];
+            $arr["movie_name"] = $row["movie_name"];
+            // todo drop video url from db -- maybe one with and one without extension
+            // extension hardcoded here!!!
+            $arr["movie_url"] = str_replace("?", "%3F", $this->videopath . $row["movie_name"] . ".mp4");
+            $arr["likes"] = $row["likes"];
+            $arr["quality"] = $row["quality"];
+            $arr["length"] = $row["length"];
+
+            // load tags of this video
+            $arr['tags'] = array();
+            $query = "SELECT t.tag_name FROM video_tags 
+                        INNER JOIN tags t on video_tags.tag_id = t.tag_id
+                        WHERE video_tags.video_id=" . $_POST['movieid'] . "
+                        GROUP BY t.tag_name";
+            $result = $this->conn->query($query);
+            while ($r = mysqli_fetch_assoc($result)) {
+                array_push($arr['tags'], $r);
+            }
+
+            $this->commitMessage(json_encode($arr));
+        });
+
+        $this->addActionHandler("readThumbnail", function () {
+            $query = "SELECT thumbnail FROM videos WHERE movie_id='" . $_POST['movieid'] . "'";
+
+            $result = $this->conn->query($query);
+            $row = $result->fetch_assoc();
+
+            $this->commitMessage($row["thumbnail"]);
+        });
+
+        $this->addActionHandler("getStartData", function () {
+            $query = "SELECT COUNT(*) as nr FROM videos";
+            $result = $this->conn->query($query);
+            $r = mysqli_fetch_assoc($result);
+
+            $arr = array();
+            $arr['total'] = $r['nr'];
+
+            $query = "SELECT COUNT(*) as nr FROM videos
+                        INNER JOIN video_tags vt on videos.movie_id = vt.video_id
+                        INNER JOIN tags t on vt.tag_id = t.tag_id";
+            $result = $this->conn->query($query);
+            $r = mysqli_fetch_assoc($result);
+            $arr['tagged'] = $r['nr'];
+
+            $query = "SELECT COUNT(*) as nr FROM videos
+                        INNER JOIN video_tags vt on videos.movie_id = vt.video_id
+                        INNER JOIN tags t on vt.tag_id = t.tag_id
+                        WHERE t.tag_name='hd'";
+            $result = $this->conn->query($query);
+            $r = mysqli_fetch_assoc($result);
+            $arr['hd'] = $r['nr'];
+
+            $query = "SELECT COUNT(*) as nr FROM videos
+                        INNER JOIN video_tags vt on videos.movie_id = vt.video_id
+                        INNER JOIN tags t on vt.tag_id = t.tag_id
+                        WHERE t.tag_name='fullhd'";
+            $result = $this->conn->query($query);
+            $r = mysqli_fetch_assoc($result);
+            $arr['fullhd'] = $r['nr'];
+
+            $query = "SELECT COUNT(*) as nr FROM videos
+                        INNER JOIN video_tags vt on videos.movie_id = vt.video_id
+                        INNER JOIN tags t on vt.tag_id = t.tag_id
+                        WHERE t.tag_name='lowquality'";
+            $result = $this->conn->query($query);
+            $r = mysqli_fetch_assoc($result);
+            $arr['sd'] = $r['nr'];
+
+            $query = "SELECT COUNT(*) as nr FROM tags";
+            $result = $this->conn->query($query);
+            $r = mysqli_fetch_assoc($result);
+            $arr['tags'] = $r['nr'];
+
+            $this->commitMessage(json_encode($arr));
+        });
+    }
+
+    /**
+     * function to handle api handlers for stuff to add to video or database
+     */
+    private function addToVideo() {
+        $this->addActionHandler("addLike", function () {
+            $movieid = $_POST['movieid'];
+
+            $query = "update videos set likes = likes + 1 where movie_id = '$movieid'";
+
+            if ($this->conn->query($query) === TRUE) {
+                $this->commitMessage('{"result":"success"}');
+            } else {
+                $this->commitMessage('{"result":"' . $this->conn->error . '"}');
+            }
+        });
+    }
+}