MySQLConnector::connect() - Code Metrics - Inspection of "Refactoring" - asyncphp/icicle-database - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( d819e3...4fe283 )

by Christopher

created 2015-12-01 21:57 UTC

MySQLConnector::connect() C

↳ Parent: MySQLConnector

Complexity

Conditions	7
Paths	14

Size

Total Lines	35
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	22
CRAP Score	7.0847

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
c	1
b	0
f	1
dl	0
loc	35
ccs	22
cts	25
cp	0.88
rs	6.7273
cc	7
eloc	20
nc	14
nop	1
crap	7.0847

<?php

namespace AsyncPHP\Icicle\Database\Connector;

use AsyncPHP\Icicle\Database\Connector;
use Icicle\Loop;
use Icicle\Promise\Deferred;
use Icicle\Promise\PromiseInterface;
use InvalidArgumentException;
use MySQLi;

final class MySQLConnector implements Connector
{
    /**
     * @var null|MySQLi
     */
    private $connection = null;

    /**
     * @var bool
     */
    private $ready = true;

    /**
     * @var float
     */
    private $poll = 0.000001;

    /**
     * @inheritdoc
     *
     * @param array $config
     *
     * @throws InvalidArgumentException
     */
    public function connect(array $config)
    {
        if (!isset($config["host"])) {
            $config["host"] = "127.0.0.1";
        }

        if (!isset($config["username"])) {
            throw new InvalidArgumentException("Undefined username");
        }

        if (!isset($config["password"])) {
            throw new InvalidArgumentException("Undefined password");
        }

        if (!isset($config["database"])) {
            throw new InvalidArgumentException("Undefined database");
        }

        if (!isset($config["port"])) {
            $config["port"] = 3306;
        }

        if (!isset($config["socket"])) {
            $config["socket"] = null;
        }

        $this->connection = mysqli_connect(
            $config["host"],
            $config["username"],
            $config["password"],
            $config["database"],
            $config["port"],
            $config["socket"]
        );
    }

    /**
     * @inheritdoc
     *
     * @param string $query
     *
     * @return PromiseInterface
     */
    public function query($query)
    {
        $deferred = new Deferred();

        $links = $errors = $rejects = [
            $this->connection,
        ];

        $outer = Loop\periodic($this->poll, function () use (&$outer, $links, $errors, $rejects, $query, $deferred) {
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
            if ($this->ready) {
                $this->ready = false;
                $outer->stop();

                $result = $this->connection->query($query, MYSQLI_ASYNC);

                if ($result === false) {

                    $this->ready = true;
                    return $deferred->reject($this->connection->error);
                }

                $inner = Loop\periodic($this->poll, function () use (&$inner, $links, $errors, $rejects, $deferred) {
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                    if (mysqli_poll($links, $errors, $rejects, $this->poll)) {
                        $inner->stop();

                        $result = $this->connection->reap_async_query();

                        if ($result === false) {

                            $this->ready = true;
                            return $deferred->reject($this->connection->error);
                        }

                        if ($result === true) {
                            $this->ready = true;
                            return $deferred->resolve();
                        }

                        $rows = $result->fetch_all(MYSQLI_ASSOC);
                        $result->free();

                        $this->ready = true;
                        return $deferred->resolve($rows);
                    }
                });
            }
        });

        return $deferred->getPromise();
    }

    /**
     * @inheritdoc
     *
     * @param mixed $value
     *
     * @return mixed
     */
    public function escape($value)
    {
        return mysqli_real_escape_string($this->connection, $value);
    }
}


1			<?php
2
3			namespace AsyncPHP\Icicle\Database\Connector;
4
5			use AsyncPHP\Icicle\Database\Connector;
6			use Icicle\Loop;
7			use Icicle\Promise\Deferred;
8			use Icicle\Promise\PromiseInterface;
9			use InvalidArgumentException;
10			use MySQLi;
11
12			final class MySQLConnector implements Connector
13			{
14			/**
15			* @var null\|MySQLi
16			*/
17			private $connection = null;
18
19			/**
20			* @var bool
21			*/
22			private $ready = true;
23
24			/**
25			* @var float
26			*/
27			private $poll = 0.000001;
28
29			/**
30			* @inheritdoc
31			*
32			* @param array $config
33			*
34			* @throws InvalidArgumentException
35			*/
36	1		public function connect(array $config)
37			{
38	1		if (!isset($config["host"])) {
39	1		$config["host"] = "127.0.0.1";
40	1		}
41
42	1		if (!isset($config["username"])) {
43			throw new InvalidArgumentException("Undefined username");
44			}
45
46	1		if (!isset($config["password"])) {
47			throw new InvalidArgumentException("Undefined password");
48			}
49
50	1		if (!isset($config["database"])) {
51			throw new InvalidArgumentException("Undefined database");
52			}
53
54	1		if (!isset($config["port"])) {
55	1		$config["port"] = 3306;
56	1		}
57
58	1		if (!isset($config["socket"])) {
59	1		$config["socket"] = null;
60	1		}
61
62	1		$this->connection = mysqli_connect(
63	1		$config["host"],
64	1		$config["username"],
65	1		$config["password"],
66	1		$config["database"],
67	1		$config["port"],
68	1		$config["socket"]
69	1		);
70	1		}
71
72			/**
73			* @inheritdoc
74			*
75			* @param string $query
76			*
77			* @return PromiseInterface
78			*/
79	1		public function query($query)
80			{
81	1		$deferred = new Deferred();
82
83			$links = $errors = $rejects = [
84	1		$this->connection,
85	1		];
86
87			$outer = Loop\periodic($this->poll, function () use (&$outer, $links, $errors, $rejects, $query, $deferred) {
			0 ignored issues – show Unused Code introduced 2015-12-01 03:31 UTC by Report Bug Copy Issue Report `$outer` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
88	1		if ($this->ready) {
89	1		$this->ready = false;
90	1		$outer->stop();
91
92	1		$result = $this->connection->query($query, MYSQLI_ASYNC);
93
94	1	View Code Duplication	if ($result === false) {
			0 ignored issues – show Duplication introduced 2015-12-01 03:31 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
95			$this->ready = true;
96			return $deferred->reject($this->connection->error);
97			}
98
99	1		$inner = Loop\periodic($this->poll, function () use (&$inner, $links, $errors, $rejects, $deferred) {
			0 ignored issues – show Unused Code introduced 2015-12-01 03:31 UTC by Report Bug Copy Issue Report `$inner` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
100	1		if (mysqli_poll($links, $errors, $rejects, $this->poll)) {
101	1		$inner->stop();
102
103	1		$result = $this->connection->reap_async_query();
104
105	1	View Code Duplication	if ($result === false) {
			0 ignored issues – show Duplication introduced 2015-12-01 03:31 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
106			$this->ready = true;
107			return $deferred->reject($this->connection->error);
108			}
109
110	1		if ($result === true) {
111	1		$this->ready = true;
112	1		return $deferred->resolve();
113			}
114
115	1		$rows = $result->fetch_all(MYSQLI_ASSOC);
116	1		$result->free();
117
118	1		$this->ready = true;
119	1		return $deferred->resolve($rows);
120			}
121	1		});
122	1		}
123	1		});
124
125	1		return $deferred->getPromise();
126			}
127
128			/**
129			* @inheritdoc
130			*
131			* @param mixed $value
132			*
133			* @return mixed
134			*/
135	1		public function escape($value)
136			{
137	1		return mysqli_real_escape_string($this->connection, $value);
138			}
139			}
140

asyncphp / icicle-database

Push — master ( d819e3...4fe283 )

MySQLConnector::connect() C

Complexity

Size

Duplication

Code Coverage

Importance

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