Connection::listDatabases() - Code Metrics - Baachi/CouchDB - Measure and Improve Code Quality continuously with Scrutinizer

Connection::listDatabases() A
last analyzed 2018-04-16 06:27 UTC

↳ Parent: Connection

Complexity

Conditions	1
Paths	1

Size

Total Lines	7
Code Lines	4

Duplication

Lines	7
Ratio	100 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes

Metric	Value
dl	7
loc	7
ccs	4
cts	4
cp	1
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	4
nc	1
nop	0
crap	1

<?php

namespace CouchDB;

use CouchDB\Encoder\JSONEncoder;
use CouchDB\Events\EventArgs;
use CouchDB\Exception\Exception;
use CouchDB\Exception\InvalidDatabasenameException;
use Doctrine\Common\EventManager;
use GuzzleHttp\ClientInterface;

/**
 * @author Markus Bachmann <[email protected]>
 */
class Connection
{
    /**
     * @var ClientInterface
     */
    private $client;

    /**
     * @var EventManager
     */
    private $eventManager;

    /**
     * @param ClientInterface $client
     * @param EventManager    $dispatcher
     */
    public function __construct(ClientInterface $client, EventManager $dispatcher = null)
    {
        $this->client = $client;
        $this->eventManager = $dispatcher ?: new EventManager();
    }

    /**
     * Return the event dispatcher.
     *
     * @return EventManager
     */
    public function getEventManager()
    {
        return $this->eventManager;
    }

    /**
     * Get the couchdb version.
     *
     * @return string
     */
    public function version()
    {
        $json = (string) $this->client->request('GET', '/')->getBody();
        $value = JSONEncoder::decode($json);

        return $value['version'];
    }

    /**
     * Show all databases.
     *
     * @return array
     */
    public function listDatabases()
    {
        $json = (string) $this->client->request('GET', '/_all_dbs')->getBody();
        $databases = JSONEncoder::decode($json);

        return $databases;
    }

    /**
     * Drop a database.
     *
     * @param string $name
     *
     * @return bool
     */
    public function dropDatabase($name)
    {
        if ($this->eventManager->hasListeners(Events::PRE_DROP_DATABASE)) {
            // @codeCoverageIgnoreStart
            $this->eventManager->dispatchEvent(Events::PRE_DROP_DATABASE, new EventArgs($this, $name));
            // @codeCoverageIgnoreEnd
        }

        $response = $this->client->request('DELETE', sprintf('/%s/', urlencode($name)));

        if (404 === $response->getStatusCode()) {
            throw new Exception(sprintf('The database "%s" does not exist', $name));
        }

        $json = (string) $response->getBody();
        $status = JSONEncoder::decode($json);

        if ($this->eventManager->hasListeners(Events::POST_DROP_DATABASE)) {
            // @codeCoverageIgnoreStart
            $this->eventManager->dispatchEvent(Events::POST_DROP_DATABASE, new EventArgs($this, $name));
            // @codeCoverageIgnoreEnd
        }

        return isset($status['ok']) && $status['ok'] === true;
    }

    /**
     * Select a database.
     *
     * @param string $name
     *
     * @throws Exception If the database doesn't exists.
     *
     * @return Database
     */
    public function selectDatabase($name)
    {
        $response = $this->client->request('GET', sprintf('/%s/', $name));

        if (404 === $response->getStatusCode()) {
            throw new Exception(sprintf('The database "%s" does not exist', $name));
        }

        return $this->wrapDatabase($name);
    }

    /**
     * Check if a database exists.
     *
     * @param string $name The database name
     *
     * @return bool
     */
    public function hasDatabase($name)
    {
        $response = $this->client->request(
            'GET',
            sprintf('/%s/', urlencode($name))
        );

        return 404 !== $response->getStatusCode();
    }

    /**
     * Creates a new database.
     *
     * @param string $name The database name
     *
     * @throws Exception If the database could not be created.
     *
     * @return Database
     */
    public function createDatabase($name)
    {
        if (preg_match('@[^a-z0-9\_\$\(\)+\-]@', $name)) {
            throw new InvalidDatabasenameException(sprintf(
                'The database name %s is invalid. The database name must match the following pattern (a-z0-9_$()+-)',
                $name
            ));
        }

        if ($this->eventManager->hasListeners(Events::PRE_CREATE_DATABASE)) {
            // @codeCoverageIgnoreStart
            $this->eventManager->dispatchEvent(Events::PRE_CREATE_DATABASE, new EventArgs($this, $name));
            // @codeCoverageIgnoreEnd
        }

        $response = $this->client->request('PUT', sprintf('/%s', $name));

        if (412 === $response->getStatusCode()) {
            throw new Exception(sprintf('The database "%s" already exist', $name));
        }

        $json = (string) $response->getBody();
        $value = JSONEncoder::decode($json);

        if (isset($value['error'])) {
            throw new Exception(sprintf('[%s] Failed to create database "%s". (%s)', $value['error'], $name, $value['reason']));
        }

        $database = $this->wrapDatabase($name);

        if ($this->eventManager->hasListeners(Events::POST_CREATE_DATABASE)) {
            // @codeCoverageIgnoreStart
            $this->eventManager->dispatchEvent(Events::POST_CREATE_DATABASE, new EventArgs($database));
            // @codeCoverageIgnoreEnd
        }

        return $database;
    }

    /**
     * Gets the database.
     *
     * @param string $name The database name
     *
     * @return Database
     *
     * @deprecated This method will be removed in version 2.     
     *
     * @codeCoverageIgnore
     */
    public function __get($name)
    {
        return $this->selectDatabase($name);
    }

    /**
     * Drop a database.
     *
     * @param string $name The databas ename
     *
     * @return bool
     *
     * @deprecated This method will be removed in version 2.
     *
     * @codeCoverageIgnore
     */
    public function __unset($name)
    {
        return $this->dropDatabase($name);
    }

    /**
     * Check if the database exist.
     *
     * @param string $name The database name
     *
     * @return bool
     *
     * @deprecated This method will be removed in version 2.
     *
     * @codeCoverageIgnore
     */
    public function __isset($name)
    {
        return $this->hasDatabase($name);
    }

    /**
     * Wraps the database to a object.
     *
     * @param string $name The database name
     *
     * @return Database
     */
    private function wrapDatabase($name)
    {
        return new Database($name, $this, $this->client);
    }
}


1			<?php
2
3			namespace CouchDB;
4
5			use CouchDB\Encoder\JSONEncoder;
6			use CouchDB\Events\EventArgs;
7			use CouchDB\Exception\Exception;
8			use CouchDB\Exception\InvalidDatabasenameException;
9			use Doctrine\Common\EventManager;
10			use GuzzleHttp\ClientInterface;
11
12			/**
13			* @author Markus Bachmann <[email protected]>
14			*/
15			class Connection
16			{
17			/**
18			* @var ClientInterface
19			*/
20			private $client;
21
22			/**
23			* @var EventManager
24			*/
25			private $eventManager;
26
27			/**
28			* @param ClientInterface $client
29			* @param EventManager $dispatcher
30			*/
31	34		public function __construct(ClientInterface $client, EventManager $dispatcher = null)
32			{
33	34		$this->client = $client;
34	34		$this->eventManager = $dispatcher ?: new EventManager();
35	34		}
36
37			/**
38			* Return the event dispatcher.
39			*
40			* @return EventManager
41			*/
42	1		public function getEventManager()
43			{
44	1		return $this->eventManager;
45			}
46
47			/**
48			* Get the couchdb version.
49			*
50			* @return string
51			*/
52	1	View Code Duplication	public function version()
53			{
54	1		$json = (string) $this->client->request('GET', '/')->getBody();
55	1		$value = JSONEncoder::decode($json);
56
57	1		return $value['version'];
58			}
59
60			/**
61			* Show all databases.
62			*
63			* @return array
64			*/
65	1	View Code Duplication	public function listDatabases()
66			{
67	1		$json = (string) $this->client->request('GET', '/_all_dbs')->getBody();
68	1		$databases = JSONEncoder::decode($json);
69
70	1		return $databases;
71			}
72
73			/**
74			* Drop a database.
75			*
76			* @param string $name
77			*
78			* @return bool
79			*/
80	2		public function dropDatabase($name)
81			{
82	2		if ($this->eventManager->hasListeners(Events::PRE_DROP_DATABASE)) {
83			// @codeCoverageIgnoreStart
84			$this->eventManager->dispatchEvent(Events::PRE_DROP_DATABASE, new EventArgs($this, $name));
85			// @codeCoverageIgnoreEnd
86			}
87
88	2		$response = $this->client->request('DELETE', sprintf('/%s/', urlencode($name)));
89
90	2		if (404 === $response->getStatusCode()) {
91	1		throw new Exception(sprintf('The database "%s" does not exist', $name));
92			}
93
94	1		$json = (string) $response->getBody();
95	1		$status = JSONEncoder::decode($json);
96
97	1		if ($this->eventManager->hasListeners(Events::POST_DROP_DATABASE)) {
98			// @codeCoverageIgnoreStart
99			$this->eventManager->dispatchEvent(Events::POST_DROP_DATABASE, new EventArgs($this, $name));
100			// @codeCoverageIgnoreEnd
101			}
102
103	1		return isset($status['ok']) && $status['ok'] === true;
104			}
105
106			/**
107			* Select a database.
108			*
109			* @param string $name
110			*
111			* @throws Exception If the database doesn't exists.
112			*
113			* @return Database
114			*/
115	2	View Code Duplication	public function selectDatabase($name)
116			{
117	2		$response = $this->client->request('GET', sprintf('/%s/', $name));
118
119	2		if (404 === $response->getStatusCode()) {
120	1		throw new Exception(sprintf('The database "%s" does not exist', $name));
121			}
122
123	1		return $this->wrapDatabase($name);
124			}
125
126			/**
127			* Check if a database exists.
128			*
129			* @param string $name The database name
130			*
131			* @return bool
132			*/
133	2		public function hasDatabase($name)
134			{
135	2		$response = $this->client->request(
136	2		'GET',
137	2		sprintf('/%s/', urlencode($name))
138	2		);
139
140	2		return 404 !== $response->getStatusCode();
141			}
142
143			/**
144			* Creates a new database.
145			*
146			* @param string $name The database name
147			*
148			* @throws Exception If the database could not be created.
149			*
150			* @return Database
151			*/
152	4		public function createDatabase($name)
153			{
154	4		if (preg_match('@[^a-z0-9\_\$\(\)+\-]@', $name)) {
155	1		throw new InvalidDatabasenameException(sprintf(
156	1		'The database name %s is invalid. The database name must match the following pattern (a-z0-9_$()+-)',
157			$name
158	1		));
159			}
160
161	3		if ($this->eventManager->hasListeners(Events::PRE_CREATE_DATABASE)) {
162			// @codeCoverageIgnoreStart
163			$this->eventManager->dispatchEvent(Events::PRE_CREATE_DATABASE, new EventArgs($this, $name));
164			// @codeCoverageIgnoreEnd
165			}
166
167	3		$response = $this->client->request('PUT', sprintf('/%s', $name));
168
169	3		if (412 === $response->getStatusCode()) {
170	1		throw new Exception(sprintf('The database "%s" already exist', $name));
171			}
172
173	2		$json = (string) $response->getBody();
174	2		$value = JSONEncoder::decode($json);
175
176	2		if (isset($value['error'])) {
177	1		throw new Exception(sprintf('[%s] Failed to create database "%s". (%s)', $value['error'], $name, $value['reason']));
178			}
179
180	1		$database = $this->wrapDatabase($name);
181
182	1		if ($this->eventManager->hasListeners(Events::POST_CREATE_DATABASE)) {
183			// @codeCoverageIgnoreStart
184			$this->eventManager->dispatchEvent(Events::POST_CREATE_DATABASE, new EventArgs($database));
185			// @codeCoverageIgnoreEnd
186			}
187
188	1		return $database;
189			}
190
191			/**
192			* Gets the database.
193			*
194			* @param string $name The database name
195			*
196			* @return Database
197			*
198			* @deprecated This method will be removed in version 2.
199			*
200			* @codeCoverageIgnore
201			*/
202			public function __get($name)
203			{
204			return $this->selectDatabase($name);
205			}
206
207			/**
208			* Drop a database.
209			*
210			* @param string $name The databas ename
211			*
212			* @return bool
213			*
214			* @deprecated This method will be removed in version 2.
215			*
216			* @codeCoverageIgnore
217			*/
218			public function __unset($name)
219			{
220			return $this->dropDatabase($name);
221			}
222
223			/**
224			* Check if the database exist.
225			*
226			* @param string $name The database name
227			*
228			* @return bool
229			*
230			* @deprecated This method will be removed in version 2.
231			*
232			* @codeCoverageIgnore
233			*/
234			public function __isset($name)
235			{
236			return $this->hasDatabase($name);
237			}
238
239			/**
240			* Wraps the database to a object.
241			*
242			* @param string $name The database name
243			*
244			* @return Database
245			*/
246	2		private function wrapDatabase($name)
247			{
248	2		return new Database($name, $this, $this->client);
249			}
250			}
251

Baachi / CouchDB

Connection::listDatabases() A last analyzed 2018-04-16 06:27 UTC

Complexity

Size

Duplication

Code Coverage

Importance

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Connection::listDatabases() A
last analyzed 2018-04-16 06:27 UTC