Refactored classes and functionality, added more data caching, working on topic parser.

src/Client.php

@@ -2,30 +2,41 @@
 
 namespace Toloka\PhpApi;
 
-use Dflydev\FigCookies\Cookie;
 use Dflydev\FigCookies\Cookies;
-use Dflydev\FigCookies\FigRequestCookies;
-use Dflydev\FigCookies\SetCookies;
-use GuzzleHttp\Psr7\Request;
 use Psr\Http\Client\ClientInterface as HttpClientInterface;
-use Psr\Http\Message\RequestInterface;
 use Psr\Log\LoggerInterface;
 use Psr\SimpleCache\CacheInterface;
-use GuzzleHttp\Psr7\Utils;
+use Toloka\PhpApi\Traits\AuthTrait;
-use Symfony\Component\DomCrawler\Crawler;
+use Toloka\PhpApi\Traits\HttpHelperTrait;
-use Toloka\PhpApi\Exception\Auth\AuthException;
+use Toloka\PhpApi\Traits\TopicTrait;
-use Toloka\PhpApi\Exception\Auth\InvalidAuthCredentials;
 
 class Client implements ClientInterface {
 
+  use HttpHelperTrait;
+  use AuthTrait;
+  use TopicTrait;
+
   const CACHE_KEY_COOKIES = 'cookies';
+  const CACHE_KEY_LOGGED_IN = 'is_logged_in';
+
+  /**
+   * @var ClientInterface|null
+   */
+  private static ?ClientInterface $instance;
 
   /**
    * Hurtom Toloka base url.
    *
    * @var string
    */
-  protected string $base_url;
+  public static string $base_url = 'https://toloka.to';
+
+  /**
+   * User agent to use for requests.
+   *
+   * @var string
+   */
+  public static string $user_agent = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36';
 
   /**
    * Http client.
@@ -48,25 +59,18 @@ class Client implements ClientInterface {
    */
   protected LoggerInterface $logger;
 
-  /**
-   * @var Cookies
-   */
-  protected ?Cookies $cookies = NULL;
-
   /**
    * Toloka client constructor.
    *
-   * @param string $base_url
+   * @param \Psr\Http\Client\ClientInterface $httpClient
-   * @param CacheInterface|NULL $cache
+   * @param \Psr\SimpleCache\CacheInterface $cache
-   * @param LoggerInterface|NULL $logger
+   * @param \Psr\Log\LoggerInterface $logger
    */
   public function __construct(
-    string $base_url,
     HttpClientInterface $httpClient,
     CacheInterface $cache,
     LoggerInterface $logger
   ) {
-    $this->base_url = $base_url;
     $this->httpClient = $httpClient;
     $this->cache = $cache;
     $this->logger = $logger;
@@ -79,104 +83,8 @@ class Client implements ClientInterface {
     }
   }
 
-  /**
+  public static function getInstance(): ClientInterface {
-   * {@inheritDoc}
+    return self::$instance;
-   */
-  public function getBaseUrl(): string {
-    return $this->base_url;
-  }
-
-  /**
-   * {@inheritDoc}
-   */
-  public function login(string $login, string $password): void {
-    if ($this->isLoggedIn()) {
-      return;
-    }
-    $body = http_build_query([
-      'username' => $login,
-      'password' => $password,
-      'autologin' => 'on',
-      'ssl' => 'on',
-      'redirect' => '',
-      'login' => 'Вхід',
-    ]);
-    $request = new Request('POST', $this->getBaseUrl() . '/login.php', [
-      'Content-Type' => 'application/x-www-form-urlencoded',
-    ], Utils::streamFor($body));
-    $response = $this->httpClient->sendRequest($request);
-    if ($response->getStatusCode() === 302) {
-      // If redirected - this means successful login, can save cookies.
-      $cookies = SetCookies::fromResponse($response);
-      $this->saveCookies($cookies);
-    }
-    elseif ($response->getStatusCode() === 200) {
-      // In case of returned page - try to find an error and throw exception.
-      $crawler = new Crawler($response->getBody()->getContents());
-      $text = $crawler->filter('.forumline .row1 span.gen')->text(NULL, TRUE);
-      if (str_contains($text, 'Такий псевдонім не існує, або не збігається пароль.')) {
-        throw new InvalidAuthCredentials();
-      }
-    }
-    throw new AuthException();
-  }
-
-  private function saveCookies($data) {
-    if ($data instanceof SetCookies) {
-      $cookies = [];
-      foreach ($data->getAll() as $cookie) {
-        $cookies[] = Cookie::create($cookie->getName(), $cookie->getValue());
-      }
-      $this->cookies = new Cookies($cookies);
-    }
-    elseif ($data instanceof Cookies) {
-      $this->cookies = $data;
-    }
-    $this->cache->set(self::CACHE_KEY_COOKIES, $this->cookies);
-  }
-
-  private function applyRequestCookies(RequestInterface $request): RequestInterface {
-    if (!$this->cookies) {
-      return $request;
-    }
-    foreach ($this->cookies->getAll() as $cookie) {
-      $request = FigRequestCookies::set($request, $cookie);
-    }
-    return $request;
-  }
-
-  /**
-   * {@inheritDoc}
-   */
-  public function isLoggedIn(): bool {
-    $request = new Request('GET', $this->getBaseUrl());
-    $request = $this->applyRequestCookies($request);
-    $response = $this->httpClient->sendRequest($request);
-    if ($response->getStatusCode() === 200) {
-      $crawler = new Crawler($response->getBody()->getContents());
-      $menu_links = $crawler->filter('table.navie6fix a');
-      foreach ($menu_links as $menu_link) {
-        // If there is a link to profile, then we authorized.
-        if ($menu_link->textContent === 'Профіль') {
-          return TRUE;
-        }
-      }
-    }
-    return FALSE;
-  }
-
-  /**
-   * {@inheritDoc}
-   */
-  public function logout(): void {
-    // TODO: Implement logout() method.
-  }
-
-  /**
-   * {@inheritDoc}
-   */
-  public function getTopic(int $id): TopicInterface {
-
   }
 
 }

src/ClientInterface.php

@@ -4,14 +4,6 @@ namespace Toloka\PhpApi;
 
 interface ClientInterface {
 
-  /**
-   * Get Toloka base url.
-   *
-   * @return string
-   *   Absolute URL to toloka.
-   */
-  public function getBaseUrl(): string;
-
   /**
    * Login using credentials.
    *
@@ -22,6 +14,7 @@ interface ClientInterface {
    *
    * @throws \Toloka\PhpApi\Exception\Auth\InvalidAuthCredentials
    * @throws \Toloka\PhpApi\Exception\Auth\TooManyLoginAttempts
+   * @throws \Toloka\PhpApi\Exception\Auth\AuthException
    * @throws \Psr\Http\Client\ClientExceptionInterface
    */
   public function login(string $login, string $password): void;

src/Exception/Topic/TopicNotFound.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace Toloka\PhpApi\Exception\Topic;
+
+class TopicNotFound extends \Exception {
+
+  protected $message = 'Selected topic not found.';
+
+}

src/Models/Topic/Movie.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace Toloka\PhpApi\Models\Topic;
+
+class Movie extends TopicBase {
+
+}

src/Models/Topic/TopicBase.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Toloka\PhpApi\Models\Topic;
+
+use Toloka\PhpApi\Client;
+use Toloka\PhpApi\TopicInterface;
+
+class TopicBase implements TopicInterface {
+
+  protected int $id;
+
+  protected string $title;
+
+  public static function create(array $data): TopicInterface {
+    switch ($data['type']) {
+      default:
+        $class = TopicBase::class;
+        break;
+
+      case 'movie':
+        $class = Movie::class;
+        break;
+    }
+    $topic = new $class;
+
+  }
+
+  /**
+   * @return int
+   */
+  public function id(): int {
+    return $this->id;
+  }
+
+  /**
+   * @return string
+   */
+  public function title(): string {
+    return $this->title;
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public function url(bool $absolute = TRUE): string {
+    return Client::$base_url . '/t' . $this->id();
+  }
+
+}

src/Topic/Movie.php

@@ -1,9 +0,0 @@
-<?php
-
-namespace Toloka\PhpApi\Topic;
-
-use Toloka\PhpApi\TopicBase;
-
-class Movie extends TopicBase {
-
-}

src/Topic/TopicBase.php

@@ -1,38 +0,0 @@
-<?php
-
-namespace Toloka\PhpApi;
-
-class TopicBase implements TopicInterface {
-
-  protected Client $client;
-
-  protected int $id;
-
-  public function __construct(
-    Client $client
-  ) {
-    $this->client = $client;
-  }
-
-  /**
-   * @return int
-   */
-  public function id(): int {
-    return $this->id;
-  }
-
-  /**
-   * @param int $id
-   */
-  public function setId(int $id): void {
-    $this->id = $id;
-  }
-
-  /**
-   * {@inheritDoc}
-   */
-  public function url(bool $absolute = TRUE): string {
-    return $this->client->getBaseUrl() . 't' . $this->id();
-  }
-
-}

src/Traits/AuthTrait.php

@@ -0,0 +1,109 @@
+<?php
+
+namespace Toloka\PhpApi\Traits;
+
+use GuzzleHttp\Psr7\Utils;
+use Symfony\Component\DomCrawler\Crawler;
+use Toloka\PhpApi\Exception\Auth\AuthException;
+use Toloka\PhpApi\Exception\Auth\InvalidAuthCredentials;
+
+trait AuthTrait {
+
+  /**
+   * {@inheritDoc}
+   */
+  public function login(string $login, string $password): void {
+    if ($this->isLoggedIn()) {
+      return;
+    }
+
+    // Flush cached logged in state.
+    $this->cache->delete(self::CACHE_KEY_LOGGED_IN);
+
+    $body = http_build_query([
+      'username' => $login,
+      'password' => $password,
+      'autologin' => 'on',
+      'ssl' => 'on',
+      'redirect' => '',
+      'login' => 'Вхід',
+    ]);
+    $response = $this->makeRequest('POST', '/login.php', [
+      'Content-Type' => 'application/x-www-form-urlencoded',
+    ], Utils::streamFor($body), FALSE);
+    if ($response->getStatusCode() === 302) {
+      // Force check if we logged in successfully, to be sure + cache this info.
+      if (!$this->isLoggedIn()) {
+        throw new AuthException();
+      }
+      return;
+    }
+    elseif ($response->getStatusCode() === 200) {
+      // In case of returned page - try to find an error and throw exception.
+      $crawler = new Crawler($response->getBody()->getContents());
+      $text = $crawler->filter('.forumline .row1 span.gen')->text(NULL, TRUE);
+      if (str_contains($text, 'Такий псевдонім не існує, або не збігається пароль.')) {
+        throw new InvalidAuthCredentials();
+      }
+    }
+    throw new AuthException();
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public function isLoggedIn(): bool {
+    $cached = $this->cache->get(self::CACHE_KEY_LOGGED_IN, NULL);
+    if ($cached === NULL) {
+      $response = $this->makeRequest('GET', '/');
+      $cached = FALSE;
+      if ($response->getStatusCode() === 200) {
+        $crawler = new Crawler($response->getBody()->getContents());
+        $menu_links = $crawler->filter('table.navie6fix a');
+        foreach ($menu_links as $menu_link) {
+          // If there is a link to profile, then we authorized.
+          if ($menu_link->textContent === 'Профіль') {
+            $cached = TRUE;
+            break;
+          }
+        }
+      }
+      // Save logged in state in cache.
+      $this->cache->set(self::CACHE_KEY_LOGGED_IN, $cached);
+    }
+    return $cached;
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public function logout(): void {
+    if (!$this->isLoggedIn()) {
+      return;
+    }
+    // Flush cached logged in state.
+    $this->cache->delete(self::CACHE_KEY_LOGGED_IN);
+    $session_id = $this->getUserSessionId();
+    if (!$session_id) {
+      return;
+    }
+    $response = $this->makeRequest('GET', '/login.php?logout=true&sid=' . $session_id);
+    if ($response->getStatusCode() === 302) {
+      $this->cache->set(self::CACHE_KEY_LOGGED_IN, FALSE);
+    }
+  }
+
+  /**
+   * Get current session id.
+   *
+   * @return string|null
+   *   String value if session exists, null otherwise.
+   */
+  private function getUserSessionId(): ?string {
+    if ($this->cookies->has('toloka_sid')) {
+      return $this->cookies->get('toloka_sid')->getValue();
+    }
+    return NULL;
+  }
+
+}

src/Traits/HttpHelperTrait.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace Toloka\PhpApi\Traits;
+
+use Dflydev\FigCookies\Cookie;
+use Dflydev\FigCookies\Cookies;
+use Dflydev\FigCookies\FigRequestCookies;
+use Dflydev\FigCookies\SetCookies;
+use GuzzleHttp\Psr7\Request;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+use Toloka\PhpApi\Client;
+
+trait HttpHelperTrait {
+
+  /**
+   * @var Cookies
+   */
+  protected ?Cookies $cookies = NULL;
+
+  protected function applyRequestCookies(RequestInterface $request): RequestInterface {
+    if (!$this->cookies) {
+      return $request;
+    }
+    foreach ($this->cookies->getAll() as $cookie) {
+      $request = FigRequestCookies::set($request, $cookie);
+    }
+    return $request;
+  }
+
+  private function saveCookies($data) {
+    if ($data instanceof SetCookies) {
+      $cookies = [];
+      foreach ($data->getAll() as $cookie) {
+        $cookies[] = Cookie::create($cookie->getName(), $cookie->getValue());
+      }
+      $this->cookies = new Cookies($cookies);
+    }
+    elseif ($data instanceof Cookies) {
+      $this->cookies = $data;
+    }
+    $this->cache->set(self::CACHE_KEY_COOKIES, $this->cookies);
+  }
+
+  public function makeRequest(
+    string $method,
+    $uri,
+    array $headers = [],
+    $body = null,
+    bool $include_cookies = TRUE,
+    bool $save_cookies = TRUE
+  ): ResponseInterface {
+    $headers['User-Agent'] = Client::$user_agent;
+    $request = new Request($method, Client::$base_url . $uri, $headers, $body);
+    if ($include_cookies) {
+      $request = $this->applyRequestCookies($request);
+    }
+    $response = $this->httpClient->sendRequest($request);
+    if ($save_cookies) {
+      $cookies = SetCookies::fromResponse($response);
+      // Sometimes server don't respond with cookie header.
+      if (count($cookies->getAll()) > 0) {
+        $this->saveCookies($cookies);
+      }
+    }
+    return $response;
+  }
+
+}

src/Traits/TopicTrait.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Toloka\PhpApi\Traits;
+
+use Symfony\Component\DomCrawler\Crawler;
+use Toloka\PhpApi\Exception\Topic\TopicNotFound;
+use Toloka\PhpApi\TopicInterface;
+
+trait TopicTrait {
+
+  /**
+   * {@inheritDoc}
+   */
+  public function getTopic(int $id): TopicInterface {
+    $response = $this->makeRequest('GET', "/t{$id}?spmode=full&dl=names");
+    if ($response->getStatusCode() !== 200) {
+      throw new TopicNotFound();
+    }
+    $crawler = new Crawler($response->getBody()->getContents());
+
+    $title = $crawler->filter('a.maintitle')->first()->text();
+
+    $crumbs = $crawler->filter('.bodyline td.nav > span, .bodyline td.nav > h2');
+    if ($crumbs->eq(1)->text() === 'Відео') {
+
+    }
+
+    $g = 1;
+
+    $imdb_id = NULL;
+    $imdb_link = $crawler->filter('a[href*="imdb.com"]');
+    if ($imdb_link->count() > 0) {
+      preg_match("/tt\\d{7,8}/", $imdb_link->first()->attr('href'), $imdb_ids);
+      if (!empty($imdb_ids)) {
+        $imdb_id = reset($imdb_ids);
+      }
+    }
+
+  }
+
+}