EventStore::writeToStream() - Code Metrics - dbellettini/php-eventstore-client - Measure and Improve Code Quality continuously with Scrutinizer

EventStore::writeToStream() B
last analyzed 2016-08-17 19:52 UTC

↳ Parent: EventStore

Complexity

Conditions	3
Paths	4

Size

Total Lines	24
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	3

Importance

Changes	12
Bugs	2	Features	4

Metric	Value
c	12
b	2
f	4
dl	0
loc	24
ccs	14
cts	14
cp	1
rs	8.9713
cc	3
eloc	13
nc	4
nop	3
crap	3

<?php
namespace EventStore;

use EventStore\Exception\ConnectionFailedException;
use EventStore\Exception\StreamDeletedException;
use EventStore\Exception\StreamNotFoundException;
use EventStore\Exception\UnauthorizedException;
use EventStore\Exception\WrongExpectedVersionException;
use EventStore\Http\Exception\ClientException;
use EventStore\Http\Exception\RequestException;
use EventStore\Http\GuzzleHttpClient;
use EventStore\Http\HttpClientInterface;
use EventStore\Http\ResponseCode;
use EventStore\StreamFeed\EntryEmbedMode;
use EventStore\StreamFeed\Event;
use EventStore\StreamFeed\LinkRelation;
use EventStore\StreamFeed\StreamFeed;
use EventStore\StreamFeed\StreamFeedIterator;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Uri;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Class EventStore
 * @package EventStore
 */
final class EventStore implements EventStoreInterface
{
    /**
     * @var string
     */
    private $url;

    /**
     * @var Client
     */
    private $httpClient;

    /**
     * @var ResponseInterface
     */
    private $lastResponse;

    /**
     * @var array
     */
    private $badCodeHandlers = [];

    /**
     * @param string $url Endpoint of the EventStore HTTP API
     * @param HttpClientInterface the http client
     */
    public function __construct($url, HttpClientInterface $httpClient = null)
    {
        $this->url = $url;

        $this->httpClient = $httpClient ?: new GuzzleHttpClient();

        $this->checkConnection();
        $this->initBadCodeHandlers();
    }

    /**
     * Delete a stream
     *
     * @param string         $streamName Name of the stream
     * @param StreamDeletion $mode       Deletion mode (soft or hard)
     */
    public function deleteStream($streamName, StreamDeletion $mode)
    {
        $request = new Request('DELETE', $this->getStreamUrl($streamName));

        if ($mode == StreamDeletion::HARD) {
            $request = $request->withHeader('ES-HardDelete', 'true');
        }

        $this->sendRequest($request);
    }

    /**
     * Get the response from the last HTTP call to the EventStore API
     *
     * @return ResponseInterface
     */
    public function getLastResponse()
    {
        return $this->lastResponse;
    }

    /**
     * Navigate stream feed through link relations
     *
     * @param  StreamFeed      $streamFeed The stream feed to navigate through
     * @param  LinkRelation    $relation   The "direction" expressed as link relation
     * @return null|StreamFeed
     */
    public function navigateStreamFeed(StreamFeed $streamFeed, LinkRelation $relation)
    {
        $url = $streamFeed->getLinkUrl($relation);

        if (empty($url)) {
            return null;
        }

        return $this->readStreamFeed($url, $streamFeed->getEntryEmbedMode());
    }

    /**
     * Open a stream feed for read and navigation
     *
     * @param  string         $streamName The stream name
     * @param  EntryEmbedMode $embedMode  The event entries embed mode (none, rich or body)
     * @return StreamFeed
     */
    public function openStreamFeed($streamName, EntryEmbedMode $embedMode = null)
    {
        $url = $this->getStreamUrl($streamName);

        return $this->readStreamFeed($url, $embedMode);
    }

    /**
     * Read a single event
     *
     * @param  string $eventUrl The url of the event
     * @return Event
     */
    public function readEvent($eventUrl)
    {
        $request = $this->getJsonRequest($eventUrl);
        $this->sendRequest($request);

        $this->ensureStatusCodeIsGood($eventUrl);

        $jsonResponse = $this->lastResponseAsJson();

        return $this->createEventFromResponseContent($jsonResponse['content']);
    }

    /**
     * Read a single event
     *
     * @param  string $eventUrl The url of the event
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     * @return Event
     */
    public function readEventBatch(array $eventUrls)
    {
        $requests = array_map(
            function ($eventUrl) {
                return $this->getJsonRequest($eventUrl);
            },
            $eventUrls
        );

        $responses = $this->httpClient->sendRequestBatch($requests);

        return array_map(
            function ($response) {
                return $this
                    ->createEventFromResponseContent(
                        json_decode($response->getBody(), true)['content']
                    )
                ;
            },
            $responses
        );
    }

    /**
     * @param  array $content
     * @return Event
     */
    protected function createEventFromResponseContent(array $content)
    {
        $type = $content['eventType'];
        $version = (integer) $content['eventNumber'];
        $data = $content['data'];
        $metadata = (!empty($content['metadata'])) ? $content['metadata'] : null;

        return new Event($type, $version, $data, $metadata);
    }

    /**
     * Write one or more events to a stream
     *
     * @param  string                                  $streamName      The stream name
     * @param  WritableToStream                        $events          Single event or a collection of events
     * @param  int                                     $expectedVersion The expected version of the stream
     * @throws Exception\WrongExpectedVersionException
     */
    public function writeToStream($streamName, WritableToStream $events, $expectedVersion = ExpectedVersion::ANY)
    {
        if ($events instanceof WritableEvent) {
            $events = new WritableEventCollection([$events]);
        }

        $request = new Request(
            'POST',
            $this->getStreamUrl($streamName),
            [
                'ES-ExpectedVersion' => intval($expectedVersion),
                'Content-Type' => 'application/vnd.eventstore.events+json',
            ],
            json_encode($events->toStreamData())
        );

        $this->sendRequest($request);

        $responseStatusCode = $this->getLastResponse()->getStatusCode();

        if (ResponseCode::HTTP_BAD_REQUEST == $responseStatusCode) {
            throw new WrongExpectedVersionException();
        }
    }

    /**
     * @param  string             $streamName
     * @return StreamFeedIterator
     */
    public function forwardStreamFeedIterator($streamName)
    {
        return StreamFeedIterator::forward($this, $streamName);
    }

    /**
     * @param  string             $streamName
     * @return StreamFeedIterator
     */
    public function backwardStreamFeedIterator($streamName)
    {
        return StreamFeedIterator::backward($this, $streamName);
    }

    /**
     * @throws Exception\ConnectionFailedException
     */
    private function checkConnection()
    {
        try {
            $request = new Request('GET', $this->url);
            $this->sendRequest($request);
        } catch (RequestException $e) {
            throw new ConnectionFailedException($e->getMessage());
        }
    }

    /**
     * @param  string $streamName
     * @return string
     */
    private function getStreamUrl($streamName)
    {
        return sprintf('%s/streams/%s', $this->url, $streamName);
    }

    /**
     * @param  string                            $streamUrl
     * @param  EntryEmbedMode                    $embedMode
     * @return StreamFeed
     * @throws Exception\StreamDeletedException
     * @throws Exception\StreamNotFoundException
     */
    private function readStreamFeed($streamUrl, EntryEmbedMode $embedMode = null)
    {
        $request = $this->getJsonRequest($streamUrl);

        if ($embedMode != null && $embedMode != EntryEmbedMode::NONE()) {
            $uri = Uri::withQueryValue(
                $request->getUri(),
                'embed',
                $embedMode->toNative()
            );

            $request = $request->withUri($uri);
        }

        $this->sendRequest($request);

        $this->ensureStatusCodeIsGood($streamUrl);

        return new StreamFeed($this->lastResponseAsJson(), $embedMode);
    }

    /**
     * @param  string                                       $uri
     * @return \GuzzleHttp\Message\Request|RequestInterface
     */
    private function getJsonRequest($uri)
    {
        return new Request(
            'GET',
            $uri,
            [
                'Accept' => 'application/vnd.eventstore.atom+json'
            ]
        );
    }

    /**
     * @param RequestInterface $request
     */
    private function sendRequest(RequestInterface $request)
    {
        try {
            $this->lastResponse = $this->httpClient->send($request);
        } catch (ClientException $e) {
            $this->lastResponse = $e->getResponse();
        }
    }

    /**
     * @param  string                            $streamUrl
     * @throws Exception\StreamDeletedException
     * @throws Exception\StreamNotFoundException
     * @throws Exception\UnauthorizedException
     */
    private function ensureStatusCodeIsGood($streamUrl)
    {
        $code = $this->lastResponse->getStatusCode();

        if (array_key_exists($code, $this->badCodeHandlers)) {
            $this->badCodeHandlers[$code]($streamUrl);
        }
    }

    private function initBadCodeHandlers()
    {
        $this->badCodeHandlers = [
            ResponseCode::HTTP_NOT_FOUND => function ($streamUrl) {
                throw new StreamNotFoundException(
                        sprintf(
                            'No stream found at %s',
                            $streamUrl
                        )
                    );
            },

            ResponseCode::HTTP_GONE => function ($streamUrl) {
                throw new StreamDeletedException(
                        sprintf(
                            'Stream at %s has been permanently deleted',
                            $streamUrl
                        )
                    );
            },

            ResponseCode::HTTP_UNAUTHORIZED => function ($streamUrl) {
                throw new UnauthorizedException(
                        sprintf(
                            'Tried to open stream %s got 401',
                            $streamUrl
                        )
                    );
            }
        ];
    }

    private function lastResponseAsJson()
    {
        return json_decode($this->lastResponse->getBody(), true);
    }
}


1		<?php
2		namespace EventStore;
3
4		use EventStore\Exception\ConnectionFailedException;
5		use EventStore\Exception\StreamDeletedException;
6		use EventStore\Exception\StreamNotFoundException;
7		use EventStore\Exception\UnauthorizedException;
8		use EventStore\Exception\WrongExpectedVersionException;
9		use EventStore\Http\Exception\ClientException;
10		use EventStore\Http\Exception\RequestException;
11		use EventStore\Http\GuzzleHttpClient;
12		use EventStore\Http\HttpClientInterface;
13		use EventStore\Http\ResponseCode;
14		use EventStore\StreamFeed\EntryEmbedMode;
15		use EventStore\StreamFeed\Event;
16		use EventStore\StreamFeed\LinkRelation;
17		use EventStore\StreamFeed\StreamFeed;
18		use EventStore\StreamFeed\StreamFeedIterator;
19		use GuzzleHttp\Psr7\Request;
20		use GuzzleHttp\Psr7\Uri;
21		use Psr\Http\Message\RequestInterface;
22		use Psr\Http\Message\ResponseInterface;
23
24		/**
25		* Class EventStore
26		* @package EventStore
27		*/
28		final class EventStore implements EventStoreInterface
29		{
30		/**
31		* @var string
32		*/
33		private $url;
34
35		/**
36		* @var Client
37		*/
38		private $httpClient;
39
40		/**
41		* @var ResponseInterface
42		*/
43		private $lastResponse;
44
45		/**
46		* @var array
47		*/
48		private $badCodeHandlers = [];
49
50		/**
51		* @param string $url Endpoint of the EventStore HTTP API
52		* @param HttpClientInterface the http client
53		*/
54	26	public function __construct($url, HttpClientInterface $httpClient = null)
55		{
56	26	$this->url = $url;
57
58	26	$this->httpClient = $httpClient ?: new GuzzleHttpClient();
		0 ignored issues – show Documentation Bug introduced 2016-02-01 19:02 UTC by Report Bug Copy Issue Report It seems like `$httpClient ?: new \Even...Http\GuzzleHttpClient()` of type `object<EventStore\Http\HttpClientInterface>` is incompatible with the declared type `object<EventStore\Client>` of property `$httpClient`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
59	26	$this->checkConnection();
60	26	$this->initBadCodeHandlers();
61	26	}
62
63		/**
64		* Delete a stream
65		*
66		* @param string $streamName Name of the stream
67		* @param StreamDeletion $mode Deletion mode (soft or hard)
68		*/
69	4	public function deleteStream($streamName, StreamDeletion $mode)
70		{
71	4	$request = new Request('DELETE', $this->getStreamUrl($streamName));
72
73	4	if ($mode == StreamDeletion::HARD) {
74	3	$request = $request->withHeader('ES-HardDelete', 'true');
75		}
76
77	4	$this->sendRequest($request);
78	4	}
79
80		/**
81		* Get the response from the last HTTP call to the EventStore API
82		*
83		* @return ResponseInterface
84		*/
85	23	public function getLastResponse()
86		{
87	23	return $this->lastResponse;
88		}
89
90		/**
91		* Navigate stream feed through link relations
92		*
93		* @param StreamFeed $streamFeed The stream feed to navigate through
94		* @param LinkRelation $relation The "direction" expressed as link relation
95		* @return null\|StreamFeed
96		*/
97	8	public function navigateStreamFeed(StreamFeed $streamFeed, LinkRelation $relation)
98		{
99	8	$url = $streamFeed->getLinkUrl($relation);
100
101	8	if (empty($url)) {
102	3	return null;
103		}
104
105	7	return $this->readStreamFeed($url, $streamFeed->getEntryEmbedMode());
106		}
107
108		/**
109		* Open a stream feed for read and navigation
110		*
111		* @param string $streamName The stream name
112		* @param EntryEmbedMode $embedMode The event entries embed mode (none, rich or body)
113		* @return StreamFeed
114		*/
115	18	public function openStreamFeed($streamName, EntryEmbedMode $embedMode = null)
116		{
117	18	$url = $this->getStreamUrl($streamName);
118
119	18	return $this->readStreamFeed($url, $embedMode);
120		}
121
122		/**
123		* Read a single event
124		*
125		* @param string $eventUrl The url of the event
126		* @return Event
127		*/
128	3	public function readEvent($eventUrl)
129		{
130	3	$request = $this->getJsonRequest($eventUrl);
131	3	$this->sendRequest($request);
132
133	3	$this->ensureStatusCodeIsGood($eventUrl);
134
135	2	$jsonResponse = $this->lastResponseAsJson();
136
137	2	return $this->createEventFromResponseContent($jsonResponse['content']);
138		}
139
140		/**
141		* Read a single event
142		*
143		* @param string $eventUrl The url of the event
		0 ignored issues – show Documentation introduced 2016-02-01 19:02 UTC by Report Bug Copy Issue Report There is no parameter named `$eventUrl`. Did you maybe mean `$eventUrls`? This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function. It has, however, found a similar but not annotated parameter which might be a good fit. Consider the following example. The parameter `$ireland` is not defined by the method `finale(...)`. /** * @param array $germany * @param array $ireland */ function finale($germany, $island) { return "2:1"; } The most likely cause is that the parameter was changed, but the annotation was not. Loading history...
144		* @return Event
145		*/
146	7	public function readEventBatch(array $eventUrls)
147		{
148	7	$requests = array_map(
149		function ($eventUrl) {
150	7	return $this->getJsonRequest($eventUrl);
151	7	},
152		$eventUrls
153		);
154
155	7	$responses = $this->httpClient->sendRequestBatch($requests);
156
157	7	return array_map(
158		function ($response) {
159		return $this
160	7	->createEventFromResponseContent(
161	7	json_decode($response->getBody(), true)['content']
162		)
163		;
164	7	},
165		$responses
166		);
167		}
168
169		/**
170		* @param array $content
171		* @return Event
172		*/
173	9	protected function createEventFromResponseContent(array $content)
174		{
175	9	$type = $content['eventType'];
176	9	$version = (integer) $content['eventNumber'];
177	9	$data = $content['data'];
178	9	$metadata = (!empty($content['metadata'])) ? $content['metadata'] : null;
179
180	9	return new Event($type, $version, $data, $metadata);
181		}
182
183		/**
184		* Write one or more events to a stream
185		*
186		* @param string $streamName The stream name
187		* @param WritableToStream $events Single event or a collection of events
188		* @param int $expectedVersion The expected version of the stream
189		* @throws Exception\WrongExpectedVersionException
190		*/
191	22	public function writeToStream($streamName, WritableToStream $events, $expectedVersion = ExpectedVersion::ANY)
192		{
193	22	if ($events instanceof WritableEvent) {
194	5	$events = new WritableEventCollection([$events]);
195		}
196
197	22	$request = new Request(
198	22	'POST',
199	22	$this->getStreamUrl($streamName),
200		[
201	22	'ES-ExpectedVersion' => intval($expectedVersion),
202	22	'Content-Type' => 'application/vnd.eventstore.events+json',
203		],
204	22	json_encode($events->toStreamData())
205		);
206
207	22	$this->sendRequest($request);
208
209	22	$responseStatusCode = $this->getLastResponse()->getStatusCode();
210
211	22	if (ResponseCode::HTTP_BAD_REQUEST == $responseStatusCode) {
212	1	throw new WrongExpectedVersionException();
213		}
214	22	}
215
216		/**
217		* @param string $streamName
218		* @return StreamFeedIterator
219		*/
220	1	public function forwardStreamFeedIterator($streamName)
221		{
222	1	return StreamFeedIterator::forward($this, $streamName);
223		}
224
225		/**
226		* @param string $streamName
227		* @return StreamFeedIterator
228		*/
229	1	public function backwardStreamFeedIterator($streamName)
230		{
231	1	return StreamFeedIterator::backward($this, $streamName);
232		}
233
234		/**
235		* @throws Exception\ConnectionFailedException
236		*/
237	26	private function checkConnection()
238		{
239		try {
240	26	$request = new Request('GET', $this->url);
241	26	$this->sendRequest($request);
242	1	} catch (RequestException $e) {
243	1	throw new ConnectionFailedException($e->getMessage());
244		}
245	26	}
246
247		/**
248		* @param string $streamName
249		* @return string
250		*/
251	24	private function getStreamUrl($streamName)
252		{
253	24	return sprintf('%s/streams/%s', $this->url, $streamName);
254		}
255
256		/**
257		* @param string $streamUrl
258		* @param EntryEmbedMode $embedMode
259		* @return StreamFeed
260		* @throws Exception\StreamDeletedException
261		* @throws Exception\StreamNotFoundException
262		*/
263	18	private function readStreamFeed($streamUrl, EntryEmbedMode $embedMode = null)
264		{
265	18	$request = $this->getJsonRequest($streamUrl);
266
267	18	if ($embedMode != null && $embedMode != EntryEmbedMode::NONE()) {
268	1	$uri = Uri::withQueryValue(
269	1	$request->getUri(),
270	1	'embed',
271	1	$embedMode->toNative()
272		);
273
274	1	$request = $request->withUri($uri);
275		}
276
277	18	$this->sendRequest($request);
278
279	18	$this->ensureStatusCodeIsGood($streamUrl);
280
281	15	return new StreamFeed($this->lastResponseAsJson(), $embedMode);
282		}
283
284		/**
285		* @param string $uri
286		* @return \GuzzleHttp\Message\Request\|RequestInterface
287		*/
288	18	private function getJsonRequest($uri)
289		{
290	18	return new Request(
291	18	'GET',
292		$uri,
293		[
294		'Accept' => 'application/vnd.eventstore.atom+json'
295	18	]
296		);
297		}
298
299		/**
300		* @param RequestInterface $request
301		*/
302	26	private function sendRequest(RequestInterface $request)
303		{
304		try {
305	26	$this->lastResponse = $this->httpClient->send($request);
306	1	} catch (ClientException $e) {
307		$this->lastResponse = $e->getResponse();
308		}
309	26	}
310
311		/**
312		* @param string $streamUrl
313		* @throws Exception\StreamDeletedException
314		* @throws Exception\StreamNotFoundException
315		* @throws Exception\UnauthorizedException
316		*/
317	18	private function ensureStatusCodeIsGood($streamUrl)
318		{
319	18	$code = $this->lastResponse->getStatusCode();
320
321	18	if (array_key_exists($code, $this->badCodeHandlers)) {
322	4	$this->badCodeHandlers[$code]($streamUrl);
323		}
324	15	}
325
326	26	private function initBadCodeHandlers()
327		{
328	26	$this->badCodeHandlers = [
329		ResponseCode::HTTP_NOT_FOUND => function ($streamUrl) {
330	1	throw new StreamNotFoundException(
331		sprintf(
332	1	'No stream found at %s',
333		$streamUrl
334		)
335		);
336	26	},
337
338		ResponseCode::HTTP_GONE => function ($streamUrl) {
339	2	throw new StreamDeletedException(
340		sprintf(
341	2	'Stream at %s has been permanently deleted',
342		$streamUrl
343		)
344		);
345	26	},
346
347	26	ResponseCode::HTTP_UNAUTHORIZED => function ($streamUrl) {
348	1	throw new UnauthorizedException(
349		sprintf(
350	1	'Tried to open stream %s got 401',
351		$streamUrl
352		)
353		);
354	26	}
355		];
356	26	}
357
358	15	private function lastResponseAsJson()
359		{
360	15	return json_decode($this->lastResponse->getBody(), true);
361		}
362		}
363

dbellettini / php-eventstore-client

EventStore::writeToStream() B last analyzed 2016-08-17 19:52 UTC

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EventStore::writeToStream() B
last analyzed 2016-08-17 19:52 UTC