Большое обновление

- проект переписан на flight + twig, laravel-like хелперы
- docker-окружение
- новая страница с подробностями о плейлисте
- улучшен json о плейлисте
- нормальный роутинг
- нормальная статусная система
- попытка перекодировки при не utf-8 + предупреждение об этом
- дополнены FAQ + README

src/app/Controllers/Controller.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace App\Controllers;
+
+abstract class Controller
+{
+}

src/app/Controllers/HomeController.php

@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace App\Controllers;
+
+use App\Core\PlaylistProcessor;
+use App\Core\RedirectedPlaylist;
+use Exception;
+use Flight;
+
+class HomeController extends Controller
+{
+    protected PlaylistProcessor $ini;
+
+    public function __construct()
+    {
+        $this->ini = new PlaylistProcessor();
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function index()
+    {
+        if (Flight::request()->query->count() > 0) {
+            $id = Flight::request()->query->keys()[0];
+            Flight::redirect(base_url("$id"));
+            die;
+        }
+        view('list', [
+            'updated_at' => $this->ini->updatedAt(),
+            'count' => $this->ini->playlists->count(),
+            'playlists' => $this->ini->playlists->where('redirect_id', null)->toArray(),
+        ]);
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function faq()
+    {
+        view('faq');
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function details(string $id): void
+    {
+        $playlist = $this->ini->playlist($id);
+        if ($playlist instanceof RedirectedPlaylist) {
+            Flight::redirect(base_url($playlist->redirect_id . '/info'));
+        }
+        view('details', [
+            'id' => $id,
+            'playlist' => $playlist->toArray(),
+            'info' => $this->ini->parse($id),
+        ]);
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function ajax(string $id): void
+    {
+        $playlist = $this->ini->playlist($id);
+        if ($playlist instanceof RedirectedPlaylist) {
+            Flight::redirect(base_url($playlist->redirect_id . '/getInfo'));
+        }
+        Flight::json([
+            'playlist' => $playlist->toArray(),
+            'info' => $this->ini->parse($id),
+        ]);
+    }
+}

src/app/Controllers/PlaylistController.php

@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace App\Controllers;
+
+use App\Core\PlaylistProcessor;
+use App\Core\RedirectedPlaylist;
+use Exception;
+use Flight;
+
+class PlaylistController extends Controller
+{
+    protected PlaylistProcessor $ini;
+
+    public function __construct()
+    {
+        $this->ini = new PlaylistProcessor();
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function download($id)
+    {
+        $playlist = $this->ini->playlist($id);
+        if ($playlist instanceof RedirectedPlaylist) {
+            Flight::redirect(base_url($playlist->redirect_id));
+            die;
+        }
+        Flight::redirect($playlist->pls);
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function details(string $id): void
+    {
+        $playlist = $this->ini->playlist($id);
+        if ($playlist instanceof RedirectedPlaylist) {
+            Flight::redirect(base_url($playlist->redirect_id . '/details'));
+            die;
+        }
+        view('details', [
+            ...$playlist->toArray(),
+            ...$this->ini->parse($id),
+        ]);
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function json(string $id): void
+    {
+        $playlist = $this->ini->playlist($id);
+        if ($playlist instanceof RedirectedPlaylist) {
+            Flight::redirect(base_url($playlist->redirect_id . '/json'));
+            die;
+        }
+        Flight::json([
+            ...$playlist->toArray(),
+            ...$this->ini->parse($id),
+        ]);
+    }
+}

src/app/Core/BasicPlaylist.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace App\Core;
+
+use Illuminate\Contracts\Support\Arrayable;
+
+abstract class BasicPlaylist implements Arrayable
+{
+    public string $id;
+
+    public function url(): string
+    {
+        return sprintf('%s/%s', base_url(), $this->id);
+    }
+}

src/app/Core/Bootstrapper.php

@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace App\Core;
+
+use App\Controllers\AjaxController;
+use App\Controllers\HomeController;
+use App\Controllers\PlaylistController;
+use App\Extensions\TwigFunctions;
+use Flight;
+use Illuminate\Support\Arr;
+use Symfony\Component\Dotenv\Dotenv;
+use Twig\Environment;
+use Twig\Extension\DebugExtension;
+use Twig\Loader\FilesystemLoader;
+
+final class Bootstrapper
+{
+    public static function bootEnv(): void
+    {
+        (new Dotenv())->loadEnv(root_path() . '/.env');
+    }
+
+    public static function bootSettings(): void
+    {
+        $settings = Arr::dot(require_once config_path('app.php'));
+        Arr::map($settings, function ($value, $key) {
+            Flight::set("flight.$key", $value);
+        });
+        Flight::set('config', $settings);
+    }
+
+    public static function bootTwig(): void
+    {
+        $filesystemLoader = new FilesystemLoader(config('views.path'));
+        Flight::register(
+            'view',
+            Environment::class,
+            [$filesystemLoader, config('twig')],
+            function ($twig) {
+                /** @var Environment $twig */
+                Flight::set('twig', $twig);
+                $twig->addExtension(new TwigFunctions());
+                $twig->addExtension(new DebugExtension());
+            }
+        );
+    }
+
+    public static function bootRoutes(): void
+    {
+        Flight::route(
+            'GET /',
+            fn() => (new HomeController())->index()
+        );
+        Flight::route(
+            'GET /faq',
+            fn() => (new HomeController())->faq()
+        );
+        Flight::route(
+            'GET /@id:[a-zA-Z0-9_-]+',
+            fn($id) => (new PlaylistController())->download($id)
+        );
+        Flight::route(
+            'GET /?[a-zA-Z0-9_-]+',
+            fn($id) => (new PlaylistController())->download($id)
+        );
+        Flight::route(
+            'GET /@id:[a-zA-Z0-9_-]+/details',
+            fn($id) => (new PlaylistController())->details($id)
+        );
+        Flight::route(
+            'GET /@id:[a-zA-Z0-9_-]+/json',
+            fn($id) => (new PlaylistController())->json($id)
+        );
+    }
+}

src/app/Core/Playlist.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace App\Core;
+
+class Playlist extends BasicPlaylist
+{
+    public ?string $name;
+
+    public ?string $desc;
+
+    public string $pls;
+
+    public ?string $src;
+
+    public string $url;
+
+    /**
+     * @throws \Exception
+     */
+    public function __construct(public string $id, array $params)
+    {
+        empty($params['pls']) && throw new \Exception(
+            "Плейлист с ID=$id обязан иметь параметр pls или redirect"
+        );
+        $this->url = str_replace(['http://', 'https://'], '', base_url($id));
+        $this->name = $params['name'] ?? "Плейлист #$id";
+        $this->desc = $params['desc'] ?? null;
+        $this->pls = $params['pls'];
+        $this->src = $params['src'] ?? null;
+    }
+
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->id,
+            'url' => $this->url,
+            'name' => $this->name,
+            'desc' => $this->desc,
+            'pls' => $this->pls,
+            'src' => $this->src,
+        ];
+    }
+}

src/app/Core/PlaylistProcessor.php

@@ -0,0 +1,119 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace App\Core;
+
+use Illuminate\Support\Collection;
+
+final class PlaylistProcessor
+{
+    public Collection $playlists;
+
+    protected string $updated_at;
+
+    public function __construct()
+    {
+        $filepath = config_path('playlists.ini');
+        $this->updated_at = date('d.m.Y h:i', filemtime($filepath));
+        $this->playlists = collect(parse_ini_file($filepath, true))
+            ->transform(function ($playlist, $id) {
+                return empty($playlist['redirect'])
+                    ? new Playlist((string)$id, $playlist)
+                    : new RedirectedPlaylist((string)$id, $playlist['redirect']);
+            });
+    }
+
+    public function hasId(string $id): bool
+    {
+        return in_array($id, $this->playlists->keys()->toArray());
+    }
+
+    public function playlist(string $id): Playlist|RedirectedPlaylist
+    {
+        !$this->hasId($id) && throw new \InvalidArgumentException("Плейлист с ID=$id не найден");
+        return $this->playlists[$id];
+    }
+
+    public function check(string $id): bool
+    {
+        $curl = curl_init();
+        curl_setopt($curl, CURLOPT_URL, $this->playlist($id)['pls']);
+        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($curl, CURLOPT_TIMEOUT, 5);
+        curl_setopt($curl, CURLOPT_HEADER, 0);
+        curl_setopt($curl, CURLOPT_NOBODY, 1);
+        curl_exec($curl);
+        $code = curl_getinfo($curl, CURLINFO_RESPONSE_CODE);
+        curl_close($curl);
+        return $code < 400;
+    }
+
+    protected function fetch(string $id)
+    {
+        $curl = curl_init();
+        curl_setopt_array($curl, [
+            CURLOPT_URL => $this->playlist($id)->pls,
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_TIMEOUT => 5,
+            CURLOPT_HEADER => false,
+            CURLOPT_FAILONERROR => true,
+        ]);
+        $content = curl_exec($curl);
+        $http_code = curl_getinfo($curl, CURLINFO_RESPONSE_CODE);
+        $err_code = curl_errno($curl);
+        $err_text = curl_error($curl);
+        curl_close($curl);
+        return [
+            'content' => $content,
+            'http_code' => $http_code,
+            'err_code' => $err_code,
+            'err_text' => $err_text,
+        ];
+    }
+
+    protected function guessStatus(int $curl_err_code): string
+    {
+        return match ($curl_err_code) {
+            0 => 'online',
+            28 => 'timeout',
+            5, 6, 7, 22, 35 => 'offline',
+            default => 'error',
+        };
+    }
+
+    public function parse(string $id): array
+    {
+        $fetched = $this->fetch($id);
+        if ($fetched['err_code'] > 0) {
+            return [
+                'status' => $this->guessStatus($fetched['err_code']),
+                'error' => [
+                    'code' => $fetched['err_code'],
+                    'message' => $fetched['err_text'],
+                ],
+            ];
+        }
+        $result['status'] = $this->guessStatus($fetched['err_code']);
+        $result['encoding']['name'] = 'UTF-8';
+        $result['encoding']['alert'] = false;
+        if (($enc = mb_detect_encoding($fetched['content'], config('app.pls_encodings'))) !== 'UTF-8') {
+            $fetched['content'] = mb_convert_encoding($fetched['content'], 'UTF-8', $enc);
+            $result['encoding']['name'] = $enc;
+            $result['encoding']['alert'] = true;
+        }
+        $matches = [];
+        preg_match_all("/^#EXTINF:-?\d.*,\s*(.*)/m", $fetched['content'], $matches);
+        $result['channels'] = array_map('trim', $matches[1]);
+        $result['count'] = $fetched['http_code'] < 400 ? count($result['channels']) : 0;
+        return $result;
+    }
+
+    /**
+     * @return string
+     */
+    public function updatedAt(): string
+    {
+        return $this->updated_at;
+    }
+}

src/app/Core/RedirectedPlaylist.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace App\Core;
+
+class RedirectedPlaylist extends BasicPlaylist
+{
+    /**
+     * @throws \Exception
+     */
+    public function __construct(
+        public string $id,
+        public string $redirect_id,
+    ) {
+    }
+
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->id,
+            'redirect_id' => $this->redirect_id,
+        ];
+    }
+}

src/app/Extensions/TwigFunctions.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace App\Extensions;
+
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
+
+class TwigFunctions extends AbstractExtension
+{
+    public function getFunctions(): array
+    {
+        return [
+            new TwigFunction('config', [$this, 'config']),
+            new TwigFunction('base_url', [$this, 'base_url']),
+        ];
+    }
+
+    public function config(string $key, mixed $default = null): mixed
+    {
+        return config($key, $default);
+    }
+
+    public function base_url(string $path = ''): string
+    {
+        return base_url($path);
+    }
+}