feat: add oauth

src/Entity/ApiAccessToken.php

@@ -0,0 +1,26 @@
+<?php declare(strict_types = 1);
+
+namespace Adbros\Shoptet\Entity;
+
+class ApiAccessToken
+{
+
+	public function __construct(
+		public readonly string $accessToken,
+		public readonly int $expiresIn,
+	)
+	{
+	}
+
+	/**
+	 * @param array<string,mixed> $json
+	 */
+	public static function fromJson(array $json): self
+	{
+		return new self(
+			accessToken: $json['access_token'],
+			expiresIn: $json['expires_in'],
+		);
+	}
+
+}

src/Entity/OAuthAccessToken.php

@@ -0,0 +1,38 @@
+<?php declare(strict_types = 1);
+
+namespace Adbros\Shoptet\Entity;
+
+class OAuthAccessToken
+{
+
+	public function __construct(
+		public readonly string $accessToken,
+		public readonly ?int $expiresIn,
+		public readonly string $tokenType,
+		public readonly string $scope,
+		public readonly int $eshopId,
+		public readonly string $eshopUrl,
+		public readonly string $contactEmail,
+		public readonly bool $trial,
+	)
+	{
+	}
+
+	/**
+	 * @param array<string,mixed> $json
+	 */
+	public static function fromJson(array $json): self
+	{
+		return new self(
+			accessToken: $json['access_token'],
+			expiresIn: $json['expires_in'],
+			tokenType: $json['token_type'],
+			scope: $json['scope'],
+			eshopId: $json['eshopId'],
+			eshopUrl: $json['eshopUrl'],
+			contactEmail: $json['contactEmail'],
+			trial: $json['trial'],
+		);
+	}
+
+}

src/OAuth.php

@@ -0,0 +1,76 @@
+<?php declare(strict_types = 1);
+
+namespace Adbros\Shoptet;
+
+use Adbros\Shoptet\Entity\ApiAccessToken;
+use Adbros\Shoptet\Entity\OAuthAccessToken;
+use Adbros\Shoptet\Exception\ClientException;
+use Adbros\Shoptet\Exception\ServerException;
+use GuzzleHttp\Client;
+use Nette\Utils\Json;
+
+class OAuth
+{
+
+	private Client $httpClient;
+
+	public function __construct(
+		private readonly string $clientId,
+		private readonly string $clientSecret,
+		private readonly string $oAuthAccessTokenUrl,
+		private readonly string $apiAccessTokenUrl,
+	)
+	{
+		$this->httpClient = new Client();
+	}
+
+	public function getOAuthAccessToken(string $code, string $redirectUri): OAuthAccessToken // @phpcs:ignore Generic.NamingConventions.CamelCapsFunctionName.ScopeNotCamelCaps
+	{
+		/** @var array<string, mixed> $response */
+		$response = $this->request('POST', $this->oAuthAccessTokenUrl, [
+			'json' => [
+				'client_id' => $this->clientId,
+				'client_secret' => $this->clientSecret,
+				'code' => $code,
+				'grant_type' => 'authorization_code',
+				'redirect_uri' => $redirectUri,
+				'scope' => 'api',
+			],
+		]);
+
+		return OAuthAccessToken::fromJson($response);
+	}
+
+	public function getApiAccessToken(string $oAuthAccessToken): ApiAccessToken
+	{
+		/** @var array<string, mixed> $response */
+		$response = $this->request('POST', $this->apiAccessTokenUrl, [
+			'headers' => [
+				'Authorization' => sprintf('Bearer %s', $oAuthAccessToken),
+			],
+		]);
+
+		return ApiAccessToken::fromJson($response);
+	}
+
+	/**
+	 * @param array<string, mixed> $options
+	 * @return array<string, mixed>
+	 */
+	private function request(string $method, string $uri, array $options = []): ?array
+	{
+		try {
+			$response = $this->httpClient->request($method, $uri, $options);
+		} catch (\GuzzleHttp\Exception\ClientException | \GuzzleHttp\Exception\ServerException $e) {
+			$class = $e instanceof \GuzzleHttp\Exception\ClientException
+				? ClientException::class
+				: ServerException::class;
+			$json = Json::decode($e->getResponse()->getBody()->getContents(), Json::FORCE_ARRAY);
+
+			throw new $class('', $e->getCode(), $e, $json['errors'] ?? []);
+		}
+
+		return Json::decode($response->getBody()->getContents(), Json::FORCE_ARRAY);
+	}
+
+}

src/Sdk.php

@@ -19,8 +19,8 @@ class Sdk
 	private Client $httpClient;
 
 	public function __construct(
-		string $apiBaseUri,
 		string $apiAccessToken,
+		string $apiBaseUri = 'https://api.myshoptet.com/api/',
 	)
 	{
 		$this->httpClient = new Client([