Client::parseResponse() - Code Metrics - Inspection of "Merge pull request #8 from Akkroo/feature/EEM-345" - Akkroo/akkroo-sdk-php - Measure and Improve Code Quality continuously with Scrutinizer

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unknown

created 2020-07-13 10:18 UTC

Client::parseResponse() B

↳ Parent: Client

Complexity

Conditions	8
Paths	14

Size

Total Lines	37
Code Lines	25

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	20
CRAP Score	8.0069

Importance

Changes

Metric	Value
eloc	25
c	0
b	0
f	0
dl	0
loc	37
ccs	20
cts	21
cp	0.9524
rs	8.4444
cc	8
nc	14
nop	2
crap	8.0069

<?php
namespace Akkroo;

use Http\Client\HttpClient;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use Http\Message\RequestFactory;
use Http\Discovery\MessageFactoryDiscovery;
use Http\Discovery\UriFactoryDiscovery;
use Http\Message\UriFactory;
use Psr\Http\Message\ResponseInterface;
use InvalidArgumentException;

class Client
{
    /**
     * Public API scope
     */
    const SCOPE_PUBLIC = 'public';

    /**
     * Widget scope
     */
    const SCOPE_WIDGET = 'widget';

    /**
     * @var HttpClient
     */
    protected $httpClient;

    /**
     * @var array
     */
    protected $options = [];

    /**
     * @var array
     */
    protected $defaults = [
        'endpoint' => 'https://api.integrate-events.com/v2',
        'version' => '2.0.0',
        'scope' => self::SCOPE_PUBLIC
    ];

    /**
     * @var LoggerInterface
     */
    protected $logger = null;

    /**
     * @var string
     */
    protected $username = '';

    /**
     * @var string
     */
    protected $apiKey = '';

    /**
     * @var string
     */
    protected $authToken = '';

    /**
     * @var int
     */
    protected $authTokenExpiration = 0;

    /**
     * @var string
     */
    protected $refreshToken = '';

    /**
     * Creates PSR-7 HTTP Requests
     *
     * @var RequestFactory
     */
    protected $requestFactory = null;

    /**
     * Creates PSR-7 URIS
     *
     * @var UriFactory
     */
    protected $uriFactory = null;

    /**
     * Create a new Akkroo client
     *
     * Currently supported options are 'version' and 'endpoint'.
     *
     * @param  HttpClient $httpClient Client to do HTTP requests
     * @param  string $username Your Akkroo API username (i.e. company username)
     * @param  string $apiKey Your Akkroo API key
     * @return void
     */
    public function __construct(HttpClient $httpClient, string $username, string $apiKey, array $options = [])
    {
        $this->httpClient = $httpClient;
        $this->options = array_merge($this->defaults, $options);
        $this->username = $username;
        $this->apiKey = $apiKey;
        $this->logger = new NullLogger;
        $this->requestFactory = MessageFactoryDiscovery::find();
        $this->uriFactory = UriFactoryDiscovery::find();
    }

    /**
     * Inject a logger object
     *
     * @param  LoggerInterface $logger A PSR-3 compatible logger
     * @return Client
     */
    public function setLogger(LoggerInterface $logger)
    {
        $this->logger = $logger;
        return $this;
    }

    /**
     * Authenticate with Akkroo API and get a token
     *
     * Note: current API version returns HTTP 400 when wrong credentials are supplied
     *
     * @param string|null $username
     *
     * @return Client
     *
     * @throws Error\Authentication
     * @throws Error\Generic
     * @throws Error\NotFound
     */
    public function login(string $username = null)
    {
        $headers = [
            'Content-Type' => 'application/json'
        ];

        if ($username !== null) {
            $headers = array_merge(['X-Auth-Username' => $username], $headers);
        }

        $body = [
            'grant_type' => 'client_credentials',
            'client_id' => $this->username,
            'client_secret' => $this->apiKey,
            'scope' => $this->options['scope']
        ];
        $result = $this->request('POST', '/auth', $headers, [], $body);
        $login = (new Result($result['data']))->withRequestID($result['requestID']);
        if ($login->access_token) {
            $this->authToken = $login->access_token;
            $this->authTokenExpiration = time() + (int) $login->expires_in;
            $this->refreshToken = $login->refresh_token;
            return $this;
        }
        throw new Error\Generic('Unable to login, no access token returned');
    }

    /**
     * Returns credentials from last authentication
     *
     * @return array
     */
    public function getCredentials()
    {
        return [
            'authToken' => $this->authToken,
            'authTokenExpiration' => $this->authTokenExpiration,
            'refreshToken' => $this->refreshToken,
        ];
    }

    /**
     * Fetch one or more resources
     *
     * @param  string $resource Resource name (i.e. events, registrations)
     * @param  array  $params   Search parameters (i.e. id, event_id, search query, range, fields, sort)
     * @param  array  $headers Additional headers
     *
     * @return Collection | Resource
     *
     * @throws Error\Authentication
     * @throws Error\NotFound
     * @throws Error\Generic
     */
    public function get($resource, array $params = [], array $headers = [])
    {
        $path = $this->buildPath($resource, $params);
        $result = $this->request('GET', $path, $headers, $params);
        $resourceMeta = [];
        if (!empty($result['headers']['X-Total-Count'])) {
            $contentRange = $this->parseContentRange($result['headers']);
            $resourceMeta['contentRange'] = $contentRange;
        }
        return Resource::create($resource, $result['data'], $params, $resourceMeta)
            ->withRequestID($result['requestID']);
    }

    /**
     * Create a new resource
     *
     * @param  string $resource Resource name (i.e. events, registrations)
     * @param  array  $data     Resource data
     * @param  array  $params   Search parameters (i.e. id, event_id, search query, range, fields, sort)
     * @param  array  $headers  Additional headers
     *
     * @return Resource
     *
     * @throws Error\Authentication
     * @throws Error\NotFound
     * @throws Error\Generic
     */
    public function post($resource, array $data, array $params = [], array $headers = [])
    {
        $path = $this->buildPath($resource, $params);
        $result = $this->request('POST', $path, $headers, $params, $data);
        // Store temporary resource containing only ID
        $tmp = Resource::create($resource, $result['data'], $params)->withRequestID($result['requestID']);
        // Return minimal object if called by Webforms, avoiding errors
        if ($this->options['scope'] === self::SCOPE_WIDGET) {
            return $tmp;
        }
        // Fetch data for inserted resource: use same request ID, so the server could avoid
        // inserting a duplicate
        return $this->get($resource, array_merge($params, ['id' => $tmp->id]), ['Request-ID' => $tmp->requestID]);
    }

    /**
     * Update a resource fully or partially
     *
     * If using PUT method, the $data parameter must be the full resource data
     *
     * @param  string $method   Must be PUT or PATCH
     * @param  string $resource Resource name (i.e. events, registrations)
     * @param  array  $params   URL parameters (i.e. id, event_id)
     * @param  array  $data     Resource data
     * @param  array  $headers  Additional headers
     *
     * @return Resource
     *
     * @throws Error\Authentication
     * @throws Error\NotFound
     * @throws Error\Generic
     */
    protected function update($method, $resource, array $params, array $data, array $headers = [])
    {
        $path = $this->buildPath($resource, $params);
        // Take care of modified header, but let it overridable
        if (empty($headers['If-Unmodified-Since']) && !empty($data['lastModified'])) {
            $headers['If-Unmodified-Since'] = $data['lastModified'];
        }
        $result = $this->request($method, $path, $headers, $params, $data);
        // If we don't have an exception here it's all right, we can fetch the updated resource
        // using the original Request-ID
        $headers['Request-ID'] = $result['requestID'];
        return $this->get($resource, $params, $headers);
    }

    /**
     * Update a resource
     *
     * The $data parameter must be the full resource data
     *
     * @param  string $resource Resource name (i.e. events, registrations)
     * @param  array  $params   URL parameters (i.e. id, event_id)
     * @param  array  $data     Resource data
     * @param  array  $headers  Additional headers
     *
     * @return Resource
     *
     * @throws Error\Authentication
     * @throws Error\NotFound
     * @throws Error\Generic
     */
    public function put($resource, array $params, array $data, array $headers = [])
    {
        return $this->update('PUT', $resource, $params, $data, $headers);
    }

    /**
     * Partially update a resource
     *
     * @param  string $resource Resource name (i.e. events, registrations)
     * @param  array  $params   URL parameters (i.e. id, event_id)
     * @param  array  $data     Resource data
     * @param  array  $headers  Additional headers
     *
     * @return Resource
     * @throws Error\Authentication
     * @throws Error\NotFound
     * @throws Error\Generic
     */
    public function patch($resource, array $params, array $data, array $headers = [])
    {
        return $this->update('PATCH', $resource, $params, $data, $headers);
    }

    /**
     * Delete a resource
     *
     * @param  string $resource Resource name (i.e. events, registrations)
     * @param  array  $params   URL parameters (i.e. id, event_id)
     *
     * @return Result
     *
     * @throws Error\Authentication
     * @throws Error\NotFound
     * @throws Error\Generic
     */
    public function delete($resource, array $params = [])
    {
        $path = $this->buildPath($resource, $params);
        $result = $this->request('DELETE', $path);
        return (new Result(['success' => true]))->withRequestID($result['requestID']);
    }

    /**
     * Count resources that satisfy the query
     *
     * @param  string $resource Resource name (i.e. events, registrations)
     * @param  array  $params   URL parameters (i.e. id, event_id)
     *
     * @return Result
     *
     * @throws Error\Authentication
     * @throws Error\NotFound
     * @throws Error\Generic
     */
    public function count($resource, $params = [])
    {
        $path = $this->buildPath($resource, $params);
        $result = $this->request('HEAD', $path, [], $params);
        $contentRange = $this->parseContentRange($result['headers']);
        return (new Result(['count' => $contentRange['total']]))->withRequestID($result['requestID']);
    }

    /**
     * Get allowed HTTP methods for a resource
     *
     * @param  string $resource Resource name (i.e. events, registrations)
     * @param  array  $params   URL parameters (i.e. id, event_id)
     *
     * @return Result
     *
     * @throws Error\Authentication
     * @throws Error\NotFound
     * @throws Error\Generic
     */
    public function options($resource, $params = [])
    {
        $path = $this->buildPath($resource, $params);
        $result = $this->request('OPTIONS', $path);
        if (empty($result['headers']['Allow'])) {
            throw new Error\Generic('Missing allow header');
        }
        $allow = array_map(function ($item) {
            return trim($item);
        }, explode(',', $result['headers']['Allow'][0]));
        return (new Result(['success' => true, 'allow' => $allow]))->withRequestID($result['requestID']);
    }

    /**
     * Send a test API request
     *
     * @param array  $headers Additional headers
     *
     * @throws Error\Generic
     */
    public function test($headers = [])
    {
        $endpoint = $this->uriFactory->createUri($this->options['endpoint']);
        $uri = $endpoint->withPath('/health');

        $request = $this->requestFactory->createRequest('GET', $uri, $headers);
        $response = $this->httpClient->sendRequest($request);

        $result = $this->parseResponse($response);

        return new Result($result['data']);
    }

    /**
     * Send an /authTest API request
     *
     * If the token is not supplied. it will try with the current internal token.
     *
     * This method does not throw exceptions, it logs server errors with the
     * internal logger, if provided
     *
     * @param  string $token An auth token to test for
     *
     * @return Result
     */
    public function authTest($token = null)
    {
        $headers = [
            'Content-Type' => 'application/json'
        ];
        if (!empty($token)) {
            $headers['Authorization'] = 'Bearer ' . $token;
            $this->authToken = $token;
        } elseif (!empty($this->authToken)) {
            $headers['Authorization'] = 'Bearer ' . $this->authToken;
        }
        try {
            $result = $this->request('GET', '/auth/test', $headers);
            return (new Result($result['data']))->withRequestID($result['requestID']);
        } catch (Error\Generic $e) {
            $this->logger->error(
                'Auth Test failed',
                ['code' => $e->getCode(), 'message' => $e->getMessage(), 'requestID' => $e->getRequestID()]
            );
            return (new Result(['success' => false]))->withRequestID($e->getRequestID());
        }
    }

    /**
     * Process response status
     *
     * @param  ResponseInterface $response
     * @param  string            $requestID Unique linked request
     *
     * @return array The parsed JSON body
     *
     * @throws Error\Authentication
     * @throws Error\NotFound
     * @throws Error\Generic
     */
    protected function parseResponse($response, $requestID = null)
    {
        $status = $response->getStatusCode();
        $reason = $response->getReasonPhrase();
        $body = [
            'data' => $this->parseResponseBody($response),
            'headers' => $response->getHeaders()
        ];
        if (!empty($requestID)) {
            $body['requestID'] = $requestID;
        }
        $this->logger->debug('Parsed response', ['status' => $status, 'reason' => $reason, 'body' => $body]);
        switch ($status) {
            case 401:
            case 403:
                throw new Error\Authentication($reason, $status, $body);
                break;

            case 404:
                throw new Error\NotFound('Resource Not Found', $status);
                break;

            default:
                // 3xx redirect status must be managed by the HTTP Client
                // Statuses other that what we define success are automatic errors
                if (!in_array($status, [200, 201, 202, 203, 204, 205, 206])) {
                    if (isset($body['data']['error']['data'])) {
                        throw new Error\Validation('Validation Error', $status, $body);
                    }
                    if ($body['data']['error'] === 'uniqueConflict') {
                        throw new Error\UniqueConflict('Unique Conflict', $status, $body);
                    }
                    throw new Error\Generic($reason, $status, $body);
                }
                break;
        }
        return $body;
    }

    /**
     * Parse response body to JSON
     *
     * @param  ResponseInterface $response
     * @return array
     */
    protected function parseResponseBody($response)
    {
        $body = (string) $response->getBody();
        return json_decode($body, true);
    }

    /**
     * Parse the Content-Range header to readable data
     *
     * @param  array $headers
     * @return array
     */
    protected function parseContentRange(array $headers)
    {
        $totalCount = (int) $headers['X-Total-Count'][0];
        $contentRange = ['from' => 1, 'to' => $totalCount, 'total' => $totalCount];
        if (!empty($headers['Link'])) {
            preg_match_all('/\<.+?>\;\srel\=\".+?\"/', $headers['Link'][0], $links);

            foreach ($links[0] as $link) {
                $link = explode(' ', $link);
                $matches = [];
                $linkRel = preg_match('/rel="(.*)"/', $link[1], $matches) ? $matches[1] : 'unknown';
                $matches = [];
                $linkURI = preg_match('/<\/v2(.*)>/', $link[0], $matches) ? $matches[1] : 'unknown';
                $linkURIParts = explode('?', $linkURI);
                $linkResource = trim($linkURIParts[0], '/');
                parse_str($linkURIParts[1], $linkURIParams);
                $contentRange['links'][$linkRel] = [
                    'uri' => $linkURI,
                    'resource' => $linkResource,
                    'params' => $linkURIParams
                ];
            }
            $contentRange['page'] = $contentRange['links']['self']['params']['page'];
            $contentRange['pages'] = $contentRange['links']['last']['params']['page'] ?? 1;
            $contentRange['per_page'] = $contentRange['links']['self']['params']['per_page'];
            $contentRange['from'] = $contentRange['per_page'] * ($contentRange['page'] -1) + 1;
            $contentRange['to'] = $contentRange['per_page'] * $contentRange['page'];
        }

        return $contentRange;
    }

    /**
     * @param string $resource Main resource path
     * @param array  $params   URL and querystring parameters
     * @return string
     */
    protected function buildPath($resource, array $params = [])
    {
        $path = '/' . $resource;
        switch ($resource) {
            case 'events':
                if (!empty($params['id'])) {
                    $path .= '/' . $params['id'];
                }
                break;
            case 'records':
                if (empty($params['event_id'])) {
                    throw new InvalidArgumentException('An event ID is required for records');
                }
                $path = '/events/' . $params['event_id'] . '/' . $resource;
                if (!empty($params['id'])) {
                    $path .= '/' . $params['id'];
                }
                break;
        }
        return $path;
    }

    /**
     * @param array  $params   URL and querystring parameters
     * @return string
     */
    protected function buildQuery(array $params)
    {
        // Add querystring parameters
        $query = [];
        foreach ($params as $key => $value) {
            // Exclude URL and range values
            if (in_array($key, ['id', 'event_id', 'range'])) {
                continue;
            }
            if ($key === 'fields' && is_array($value)) {
                $query[$key] = implode(',', $value);
                continue;
            }
            if ($value === true) {
                $query[$key] = 'true';
                continue;
            }
            if ($value === false) {
                $query[$key] = 'false';
                continue;
            }
            $query[$key] = $value;
        }
        // Decode unreserved characters adding ',' to the list
        // see https://github.com/guzzle/psr7/blob/master/README.md#guzzlehttppsr7urinormalizernormalize
        return preg_replace_callback(
            '/%(?:2C|2D|2E|5F|7E|3[0-9]|[46][1-9A-F]|[57][0-9A])/i',
            function (array $match) {
                return rawurldecode($match[0]);
            },
            http_build_query($query)
        );
    }

    /**
     * Send a request to the API endpoint
     *
     * @param string $method  HTTP method
     * @param string $path    Relative URL path (without query string)
     * @param array  $headers Additional headers
     * @param array  $params  Query string parameters
     * @param array  $data    Request body
     *
     * @return array JSON-decoded associative array from server response
     *
     * @throws Error\Authentication
     * @throws Error\NotFound
     * @throws Error\Generic
     */
    protected function request($method, $path, $headers = [], $params = [], $data = [])
    {
        // Minimal default header
        $acceptContentType = 'application/json';

        // Unique request ID
        $requestID = uniqid('', true);

        // Adding custom headers
        $requestHeaders = array_merge([
            'Accept' => $acceptContentType,
            'X-Request-ID' => $requestID
        ], $headers);

        // Add credentials
        if (!empty($this->authToken) && empty($requestHeaders['Authorization'])) {
            $requestHeaders['Authorization'] = 'Bearer ' . $this->authToken;
        }

        // Add content-type header (currently required GET requests)
        if (empty($requestHeaders['Content-Type'])) {
            $requestHeaders['Content-Type'] = $acceptContentType;
        }

        // Creating URI: URI params must be already provided by the calling method
        $endpoint = $this->uriFactory->createUri($this->options['endpoint']);
        $uri = $endpoint->withPath($endpoint->getPath() . $path)
            ->withQuery($this->buildQuery($params));

        // Create body, if provided
        $body = (!empty($data)) ? json_encode($data) : null;

        // Create and send a request
        $this->logger->debug('Sending request', [
            'method' => $method,
            'uri' => (string) $uri,
            'headers' => $requestHeaders,
            'body' => $body
        ]);
        $request = $this->requestFactory->createRequest($method, $uri, $requestHeaders, $body);
        $response = $this->httpClient->sendRequest($request);
        $this->logger->debug('Received response', [
            'status' => $response->getStatusCode(),
            'reason' => $response->getReasonPhrase(),
            'headers' => $response->getHeaders(),
            'body' => (string) $response->getBody()
        ]);
        // Check response content type match
        $contentType = $response->getHeaderLine('Content-Type');
        if (204 !== $response->getStatusCode() && $contentType !== $acceptContentType) {
            throw new Error\Generic(sprintf("Invalid response content type: %s", $contentType));
        }

        // Return the decoded JSON and let the caller create the appropriate result format
        return $this->parseResponse($response, $requestHeaders['X-Request-ID']);
    }
}


1		<?php
2		namespace Akkroo;
3
4		use Http\Client\HttpClient;
5		use Psr\Log\LoggerInterface;
6		use Psr\Log\NullLogger;
7		use Http\Message\RequestFactory;
8		use Http\Discovery\MessageFactoryDiscovery;
9		use Http\Discovery\UriFactoryDiscovery;
10		use Http\Message\UriFactory;
11		use Psr\Http\Message\ResponseInterface;
12		use InvalidArgumentException;
13
14		class Client
15		{
16		/**
17		* Public API scope
18		*/
19		const SCOPE_PUBLIC = 'public';
20
21		/**
22		* Widget scope
23		*/
24		const SCOPE_WIDGET = 'widget';
25
26		/**
27		* @var HttpClient
28		*/
29		protected $httpClient;
30
31		/**
32		* @var array
33		*/
34		protected $options = [];
35
36		/**
37		* @var array
38		*/
39		protected $defaults = [
40		'endpoint' => 'https://api.integrate-events.com/v2',
41		'version' => '2.0.0',
42		'scope' => self::SCOPE_PUBLIC
43		];
44
45		/**
46		* @var LoggerInterface
47		*/
48		protected $logger = null;
49
50		/**
51		* @var string
52		*/
53		protected $username = '';
54
55		/**
56		* @var string
57		*/
58		protected $apiKey = '';
59
60		/**
61		* @var string
62		*/
63		protected $authToken = '';
64
65		/**
66		* @var int
67		*/
68		protected $authTokenExpiration = 0;
69
70		/**
71		* @var string
72		*/
73		protected $refreshToken = '';
74
75		/**
76		* Creates PSR-7 HTTP Requests
77		*
78		* @var RequestFactory
79		*/
80		protected $requestFactory = null;
81
82		/**
83		* Creates PSR-7 URIS
84		*
85		* @var UriFactory
86		*/
87		protected $uriFactory = null;
88
89		/**
90		* Create a new Akkroo client
91		*
92		* Currently supported options are 'version' and 'endpoint'.
93		*
94		* @param HttpClient $httpClient Client to do HTTP requests
95		* @param string $username Your Akkroo API username (i.e. company username)
96		* @param string $apiKey Your Akkroo API key
97		* @return void
98		*/
99	29	public function __construct(HttpClient $httpClient, string $username, string $apiKey, array $options = [])
100		{
101	29	$this->httpClient = $httpClient;
102	29	$this->options = array_merge($this->defaults, $options);
103	29	$this->username = $username;
104	29	$this->apiKey = $apiKey;
105	29	$this->logger = new NullLogger;
106	29	$this->requestFactory = MessageFactoryDiscovery::find();
107	29	$this->uriFactory = UriFactoryDiscovery::find();
108	29	}
109
110		/**
111		* Inject a logger object
112		*
113		* @param LoggerInterface $logger A PSR-3 compatible logger
114		* @return Client
115		*/
116	29	public function setLogger(LoggerInterface $logger)
117		{
118	29	$this->logger = $logger;
119	29	return $this;
120		}
121
122		/**
123		* Authenticate with Akkroo API and get a token
124		*
125		* Note: current API version returns HTTP 400 when wrong credentials are supplied
126		*
127		* @param string\|null $username
128		*
129		* @return Client
130		*
131		* @throws Error\Authentication
132		* @throws Error\Generic
133		* @throws Error\NotFound
134		*/
135	3	public function login(string $username = null)
136		{
137		$headers = [
138	3	'Content-Type' => 'application/json'
139		];
140
141	3	if ($username !== null) {
142		$headers = array_merge(['X-Auth-Username' => $username], $headers);
143		}
144
145		$body = [
146	3	'grant_type' => 'client_credentials',
147	3	'client_id' => $this->username,
148	3	'client_secret' => $this->apiKey,
149	3	'scope' => $this->options['scope']
150		];
151	3	$result = $this->request('POST', '/auth', $headers, [], $body);
152	2	$login = (new Result($result['data']))->withRequestID($result['requestID']);
153	2	if ($login->access_token) {
154	1	$this->authToken = $login->access_token;
155	1	$this->authTokenExpiration = time() + (int) $login->expires_in;
156	1	$this->refreshToken = $login->refresh_token;
157	1	return $this;
158		}
159	1	throw new Error\Generic('Unable to login, no access token returned');
160		}
161
162		/**
163		* Returns credentials from last authentication
164		*
165		* @return array
166		*/
167	2	public function getCredentials()
168		{
169		return [
170	2	'authToken' => $this->authToken,
171	2	'authTokenExpiration' => $this->authTokenExpiration,
172	2	'refreshToken' => $this->refreshToken,
173		];
174		}
175
176		/**
177		* Fetch one or more resources
178		*
179		* @param string $resource Resource name (i.e. events, registrations)
180		* @param array $params Search parameters (i.e. id, event_id, search query, range, fields, sort)
181		* @param array $headers Additional headers
182		*
183		* @return Collection \| Resource
184		*
185		* @throws Error\Authentication
186		* @throws Error\NotFound
187		* @throws Error\Generic
188		*/
189	12	public function get($resource, array $params = [], array $headers = [])
190		{
191	12	$path = $this->buildPath($resource, $params);
192	11	$result = $this->request('GET', $path, $headers, $params);
193	9	$resourceMeta = [];
194	9	if (!empty($result['headers']['X-Total-Count'])) {
195	1	$contentRange = $this->parseContentRange($result['headers']);
196	1	$resourceMeta['contentRange'] = $contentRange;
197		}
198	9	return Resource::create($resource, $result['data'], $params, $resourceMeta)
199	9	->withRequestID($result['requestID']);
200		}
201
202		/**
203		* Create a new resource
204		*
205		* @param string $resource Resource name (i.e. events, registrations)
206		* @param array $data Resource data
207		* @param array $params Search parameters (i.e. id, event_id, search query, range, fields, sort)
208		* @param array $headers Additional headers
209		*
210		* @return Resource
211		*
212		* @throws Error\Authentication
213		* @throws Error\NotFound
214		* @throws Error\Generic
215		*/
216	2	public function post($resource, array $data, array $params = [], array $headers = [])
217		{
218	2	$path = $this->buildPath($resource, $params);
219	2	$result = $this->request('POST', $path, $headers, $params, $data);
220		// Store temporary resource containing only ID
221	1	$tmp = Resource::create($resource, $result['data'], $params)->withRequestID($result['requestID']);
222		// Return minimal object if called by Webforms, avoiding errors
223	1	if ($this->options['scope'] === self::SCOPE_WIDGET) {
224		return $tmp;
225		}
226		// Fetch data for inserted resource: use same request ID, so the server could avoid
227		// inserting a duplicate
228	1	return $this->get($resource, array_merge($params, ['id' => $tmp->id]), ['Request-ID' => $tmp->requestID]);
229		}
230
231		/**
232		* Update a resource fully or partially
233		*
234		* If using PUT method, the $data parameter must be the full resource data
235		*
236		* @param string $method Must be PUT or PATCH
237		* @param string $resource Resource name (i.e. events, registrations)
238		* @param array $params URL parameters (i.e. id, event_id)
239		* @param array $data Resource data
240		* @param array $headers Additional headers
241		*
242		* @return Resource
243		*
244		* @throws Error\Authentication
245		* @throws Error\NotFound
246		* @throws Error\Generic
247		*/
248	2	protected function update($method, $resource, array $params, array $data, array $headers = [])
249		{
250	2	$path = $this->buildPath($resource, $params);
251		// Take care of modified header, but let it overridable
252	2	if (empty($headers['If-Unmodified-Since']) && !empty($data['lastModified'])) {
253	1	$headers['If-Unmodified-Since'] = $data['lastModified'];
254		}
255	2	$result = $this->request($method, $path, $headers, $params, $data);
256		// If we don't have an exception here it's all right, we can fetch the updated resource
257		// using the original Request-ID
258	2	$headers['Request-ID'] = $result['requestID'];
259	2	return $this->get($resource, $params, $headers);
260		}
261
262		/**
263		* Update a resource
264		*
265		* The $data parameter must be the full resource data
266		*
267		* @param string $resource Resource name (i.e. events, registrations)
268		* @param array $params URL parameters (i.e. id, event_id)
269		* @param array $data Resource data
270		* @param array $headers Additional headers
271		*
272		* @return Resource
273		*
274		* @throws Error\Authentication
275		* @throws Error\NotFound
276		* @throws Error\Generic
277		*/
278	1	public function put($resource, array $params, array $data, array $headers = [])
279		{
280	1	return $this->update('PUT', $resource, $params, $data, $headers);
281		}
282
283		/**
284		* Partially update a resource
285		*
286		* @param string $resource Resource name (i.e. events, registrations)
287		* @param array $params URL parameters (i.e. id, event_id)
288		* @param array $data Resource data
289		* @param array $headers Additional headers
290		*
291		* @return Resource
292		* @throws Error\Authentication
293		* @throws Error\NotFound
294		* @throws Error\Generic
295		*/
296	1	public function patch($resource, array $params, array $data, array $headers = [])
297		{
298	1	return $this->update('PATCH', $resource, $params, $data, $headers);
299		}
300
301		/**
302		* Delete a resource
303		*
304		* @param string $resource Resource name (i.e. events, registrations)
305		* @param array $params URL parameters (i.e. id, event_id)
306		*
307		* @return Result
308		*
309		* @throws Error\Authentication
310		* @throws Error\NotFound
311		* @throws Error\Generic
312		*/
313	3	public function delete($resource, array $params = [])
314		{
315	3	$path = $this->buildPath($resource, $params);
316	3	$result = $this->request('DELETE', $path);
317	2	return (new Result(['success' => true]))->withRequestID($result['requestID']);
318		}
319
320		/**
321		* Count resources that satisfy the query
322		*
323		* @param string $resource Resource name (i.e. events, registrations)
324		* @param array $params URL parameters (i.e. id, event_id)
325		*
326		* @return Result
327		*
328		* @throws Error\Authentication
329		* @throws Error\NotFound
330		* @throws Error\Generic
331		*/
332	1	public function count($resource, $params = [])
333		{
334	1	$path = $this->buildPath($resource, $params);
335	1	$result = $this->request('HEAD', $path, [], $params);
336	1	$contentRange = $this->parseContentRange($result['headers']);
337	1	return (new Result(['count' => $contentRange['total']]))->withRequestID($result['requestID']);
338		}
339
340		/**
341		* Get allowed HTTP methods for a resource
342		*
343		* @param string $resource Resource name (i.e. events, registrations)
344		* @param array $params URL parameters (i.e. id, event_id)
345		*
346		* @return Result
347		*
348		* @throws Error\Authentication
349		* @throws Error\NotFound
350		* @throws Error\Generic
351		*/
352	2	public function options($resource, $params = [])
353		{
354	2	$path = $this->buildPath($resource, $params);
355	2	$result = $this->request('OPTIONS', $path);
356	2	if (empty($result['headers']['Allow'])) {
357	1	throw new Error\Generic('Missing allow header');
358		}
359	1	$allow = array_map(function ($item) {
360	1	return trim($item);
361	1	}, explode(',', $result['headers']['Allow'][0]));
362	1	return (new Result(['success' => true, 'allow' => $allow]))->withRequestID($result['requestID']);
363		}
364
365		/**
366		* Send a test API request
367		*
368		* @param array $headers Additional headers
369		*
370		* @throws Error\Generic
371		*/
372	2	public function test($headers = [])
373		{
374	2	$endpoint = $this->uriFactory->createUri($this->options['endpoint']);
375	2	$uri = $endpoint->withPath('/health');
376
377	2	$request = $this->requestFactory->createRequest('GET', $uri, $headers);
378	2	$response = $this->httpClient->sendRequest($request);
379
380	2	$result = $this->parseResponse($response);
381
382	2	return new Result($result['data']);
383		}
384
385		/**
386		* Send an /authTest API request
387		*
388		* If the token is not supplied. it will try with the current internal token.
389		*
390		* This method does not throw exceptions, it logs server errors with the
391		* internal logger, if provided
392		*
393		* @param string $token An auth token to test for
394		*
395		* @return Result
396		*/
397	5	public function authTest($token = null)
398		{
399		$headers = [
400	5	'Content-Type' => 'application/json'
401		];
402	5	if (!empty($token)) {
403	3	$headers['Authorization'] = 'Bearer ' . $token;
404	3	$this->authToken = $token;
405	2	} elseif (!empty($this->authToken)) {
406	1	$headers['Authorization'] = 'Bearer ' . $this->authToken;
407		}
408		try {
409	5	$result = $this->request('GET', '/auth/test', $headers);
410	2	return (new Result($result['data']))->withRequestID($result['requestID']);
411	3	} catch (Error\Generic $e) {
412	3	$this->logger->error(
413	3	'Auth Test failed',
414	3	['code' => $e->getCode(), 'message' => $e->getMessage(), 'requestID' => $e->getRequestID()]
415		);
416	3	return (new Result(['success' => false]))->withRequestID($e->getRequestID());
417		}
418		}
419
420		/**
421		* Process response status
422		*
423		* @param ResponseInterface $response
424		* @param string $requestID Unique linked request
425		*
426		* @return array The parsed JSON body
427		*
428		* @throws Error\Authentication
429		* @throws Error\NotFound
430		* @throws Error\Generic
431		*/
432	26	protected function parseResponse($response, $requestID = null)
433		{
434	26	$status = $response->getStatusCode();
435	26	$reason = $response->getReasonPhrase();
436		$body = [
437	26	'data' => $this->parseResponseBody($response),
438	26	'headers' => $response->getHeaders()
439		];
440	26	if (!empty($requestID)) {
441	24	$body['requestID'] = $requestID;
442		}
443	26	$this->logger->debug('Parsed response', ['status' => $status, 'reason' => $reason, 'body' => $body]);
444		switch ($status) {
445	26	case 401:
446	24	case 403:
447	2	throw new Error\Authentication($reason, $status, $body);
448		break;
449
450	24	case 404:
451	2	throw new Error\NotFound('Resource Not Found', $status);
452		break;
453
454		default:
455		// 3xx redirect status must be managed by the HTTP Client
456		// Statuses other that what we define success are automatic errors
457	22	if (!in_array($status, [200, 201, 202, 203, 204, 205, 206])) {
458	3	if (isset($body['data']['error']['data'])) {
459	1	throw new Error\Validation('Validation Error', $status, $body);
460		}
461	2	if ($body['data']['error'] === 'uniqueConflict') {
462		throw new Error\UniqueConflict('Unique Conflict', $status, $body);
463		}
464	2	throw new Error\Generic($reason, $status, $body);
465		}
466	19	break;
467		}
468	19	return $body;
469		}
470
471		/**
472		* Parse response body to JSON
473		*
474		* @param ResponseInterface $response
475		* @return array
476		*/
477	26	protected function parseResponseBody($response)
478		{
479	26	$body = (string) $response->getBody();
480	26	return json_decode($body, true);
481		}
482
483		/**
484		* Parse the Content-Range header to readable data
485		*
486		* @param array $headers
487		* @return array
488		*/
489	2	protected function parseContentRange(array $headers)
490		{
491	2	$totalCount = (int) $headers['X-Total-Count'][0];
492	2	$contentRange = ['from' => 1, 'to' => $totalCount, 'total' => $totalCount];
493	2	if (!empty($headers['Link'])) {
494	1	preg_match_all('/\<.+?>\;\srel\=\".+?\"/', $headers['Link'][0], $links);
495
496	1	foreach ($links[0] as $link) {
497	1	$link = explode(' ', $link);
498	1	$matches = [];
499	1	$linkRel = preg_match('/rel="(.*)"/', $link[1], $matches) ? $matches[1] : 'unknown';
500	1	$matches = [];
501	1	$linkURI = preg_match('/<\/v2(.*)>/', $link[0], $matches) ? $matches[1] : 'unknown';
502	1	$linkURIParts = explode('?', $linkURI);
503	1	$linkResource = trim($linkURIParts[0], '/');
504	1	parse_str($linkURIParts[1], $linkURIParams);
505	1	$contentRange['links'][$linkRel] = [
506	1	'uri' => $linkURI,
507	1	'resource' => $linkResource,
508	1	'params' => $linkURIParams
509		];
510		}
511	1	$contentRange['page'] = $contentRange['links']['self']['params']['page'];
512	1	$contentRange['pages'] = $contentRange['links']['last']['params']['page'] ?? 1;
513	1	$contentRange['per_page'] = $contentRange['links']['self']['params']['per_page'];
514	1	$contentRange['from'] = $contentRange['per_page'] * ($contentRange['page'] -1) + 1;
515	1	$contentRange['to'] = $contentRange['per_page'] * $contentRange['page'];
516		}
517
518	2	return $contentRange;
519		}
520
521		/**
522		* @param string $resource Main resource path
523		* @param array $params URL and querystring parameters
524		* @return string
525		*/
526	19	protected function buildPath($resource, array $params = [])
527		{
528	19	$path = '/' . $resource;
529		switch ($resource) {
530	19	case 'events':
531	10	if (!empty($params['id'])) {
532	8	$path .= '/' . $params['id'];
533		}
534	10	break;
535	9	case 'records':
536	8	if (empty($params['event_id'])) {
537	1	throw new InvalidArgumentException('An event ID is required for records');
538		}
539	7	$path = '/events/' . $params['event_id'] . '/' . $resource;
540	7	if (!empty($params['id'])) {
541	2	$path .= '/' . $params['id'];
542		}
543	7	break;
544		}
545	18	return $path;
546		}
547
548		/**
549		* @param array $params URL and querystring parameters
550		* @return string
551		*/
552	25	protected function buildQuery(array $params)
553		{
554		// Add querystring parameters
555	25	$query = [];
556	25	foreach ($params as $key => $value) {
557		// Exclude URL and range values
558	11	if (in_array($key, ['id', 'event_id', 'range'])) {
559	10	continue;
560		}
561	2	if ($key === 'fields' && is_array($value)) {
562	1	$query[$key] = implode(',', $value);
563	1	continue;
564		}
565	2	if ($value === true) {
566	1	$query[$key] = 'true';
567	1	continue;
568		}
569	2	if ($value === false) {
570	1	$query[$key] = 'false';
571	1	continue;
572		}
573	2	$query[$key] = $value;
574		}
575		// Decode unreserved characters adding ',' to the list
576		// see https://github.com/guzzle/psr7/blob/master/README.md#guzzlehttppsr7urinormalizernormalize
577	25	return preg_replace_callback(
578	25	'/%(?:2C\|2D\|2E\|5F\|7E\|3[0-9]\|[46][1-9A-F]\|[57][0-9A])/i',
579	25	function (array $match) {
580	1	return rawurldecode($match[0]);
581	25	},
582	25	http_build_query($query)
583		);
584		}
585
586		/**
587		* Send a request to the API endpoint
588		*
589		* @param string $method HTTP method
590		* @param string $path Relative URL path (without query string)
591		* @param array $headers Additional headers
592		* @param array $params Query string parameters
593		* @param array $data Request body
594		*
595		* @return array JSON-decoded associative array from server response
596		*
597		* @throws Error\Authentication
598		* @throws Error\NotFound
599		* @throws Error\Generic
600		*/
601	25	protected function request($method, $path, $headers = [], $params = [], $data = [])
602		{
603		// Minimal default header
604	25	$acceptContentType = 'application/json';
605
606		// Unique request ID
607	25	$requestID = uniqid('', true);
608
609		// Adding custom headers
610	25	$requestHeaders = array_merge([
611	25	'Accept' => $acceptContentType,
612	25	'X-Request-ID' => $requestID
613	25	], $headers);
614
615		// Add credentials
616	25	if (!empty($this->authToken) && empty($requestHeaders['Authorization'])) {
617		$requestHeaders['Authorization'] = 'Bearer ' . $this->authToken;
618		}
619
620		// Add content-type header (currently required GET requests)
621	25	if (empty($requestHeaders['Content-Type'])) {
622	18	$requestHeaders['Content-Type'] = $acceptContentType;
623		}
624
625		// Creating URI: URI params must be already provided by the calling method
626	25	$endpoint = $this->uriFactory->createUri($this->options['endpoint']);
627	25	$uri = $endpoint->withPath($endpoint->getPath() . $path)
628	25	->withQuery($this->buildQuery($params));
629
630		// Create body, if provided
631	25	$body = (!empty($data)) ? json_encode($data) : null;
632
633		// Create and send a request
634	25	$this->logger->debug('Sending request', [
635	25	'method' => $method,
636	25	'uri' => (string) $uri,
637	25	'headers' => $requestHeaders,
638	25	'body' => $body
639		]);
640	25	$request = $this->requestFactory->createRequest($method, $uri, $requestHeaders, $body);
641	25	$response = $this->httpClient->sendRequest($request);
642	25	$this->logger->debug('Received response', [
643	25	'status' => $response->getStatusCode(),
644	25	'reason' => $response->getReasonPhrase(),
645	25	'headers' => $response->getHeaders(),
646	25	'body' => (string) $response->getBody()
647		]);
648		// Check response content type match
649	25	$contentType = $response->getHeaderLine('Content-Type');
650	25	if (204 !== $response->getStatusCode() && $contentType !== $acceptContentType) {
651	1	throw new Error\Generic(sprintf("Invalid response content type: %s", $contentType));
652		}
653
654		// Return the decoded JSON and let the caller create the appropriate result format
655	24	return $this->parseResponse($response, $requestHeaders['X-Request-ID']);
656		}
657		}
658

Akkroo / akkroo-sdk-php

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