PDOStatement::transStyle() - Code Metrics - Inspection of "9dff9d182227fb89ae901776b0e8ef435f72ec02" - swooletw/laravel-swoole - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — master (9dff9d)

by Albert

created 2018-09-04 14:18 UTC

PDOStatement::transStyle() C

↳ Parent: PDOStatement

Complexity

Conditions	13
Paths	26

Size

Total Lines	43
Code Lines	28

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	13
eloc	28
nc	26
nop	4
dl	0
loc	43
rs	6.6166
c	0
b	0
f	0

How to fix Complexity

<?php

/**
 * Copyright: Swlib
 * Author: Twosee <[email protected]>
 * Modifier: Albert Chen
 * License: Apache 2.0
 */

namespace SwooleTW\Http\Coroutine;

use PDOStatement as BaseStatement;
use SwooleTW\Http\Coroutine\PDO;
use Swoole\Coroutine\MySQL\Statement;

class PDOStatement extends BaseStatement
{
    private $parent;
    public $statement;
    public $timeout;
    public $bindMap = [];
    public $cursor = -1;
    public $cursorOrientation = PDO::FETCH_ORI_NEXT;
    public $resultSet = [];
    public $fetchStyle = PDO::FETCH_BOTH;

    public function __construct(PDO $parent, Statement $statement, array $driverOptions = [])
    {
        $this->parent = $parent;
        $this->statement = $statement;
        $this->timeout = $driverOptions['timeout'] ?? -1;
    }

    public function errorCode()
    {
        return $this->statement->errno;
    }

    public function errorInfo()
    {
        return $this->statement->error;
    }

    public function rowCount()
    {
        return $this->statement->affected_rows;
    }

    public function bindParam($parameter, &$variable, $type = null, $maxlen = null, $driverdata = null)
    {
        if (! is_string($parameter) && ! is_int($parameter)) {
            return false;
        }

        $parameter = ltrim($parameter, ':');
        $this->bindMap[$parameter] = &$variable;

        return true;
    }

    public function bindValue($parameter, $variable, $type = null)
    {
        if (! is_string($parameter) && ! is_int($parameter)) {
            return false;
        }

        if (is_object($variable)) {
            if (! method_exists($variable, '__toString')) {
                return false;
            } else {
                $variable = (string) $variable;
            }
        }

        $parameter = ltrim($parameter, ':');
        $this->bindMap[$parameter] = $variable;

        return true;
    }

    private function afterExecute()
    {
        $this->cursor = -1;
        $this->bindMap = [];
    }

    public function execute($inputParameters = null)
    {
        if (! empty($inputParameters)) {
            foreach ($inputParameters as $key => $value) {
                $this->bindParam($key, $value);
            }
        }

        $inputParameters = [];
        if (! empty($this->statement->bindKeyMap)) {
            foreach ($this->statement->bindKeyMap as $nameKey => $numKey) {

                $inputParameters[$numKey] = $this->bindMap[$nameKey];
            }
        } else {
            $inputParameters = $this->bindMap;
        }

        $result = $this->statement->execute($inputParameters, $this->timeout);
        $this->resultSet = ($ok = $result !== false) ? $result : [];
        $this->afterExecute();

        return $ok;
    }

    public function setFetchMode($fetchStyle, $params = null)
    {
        $this->fetchStyle = $fetchStyle;
interface HasName {
    /** @return string */
    public function getName();
}

class Name {
    public $name;
}

class User implements HasName {
    /** @return string|Name */
    public function getName() {
        return new Name('foo'); // This is a violation of the ``HasName`` interface
                                // which only allows a string value to be returned.
    }
}
    }

    private function __executeWhenStringQueryEmpty()
    {
        if (is_string($this->statement) && empty($this->resultSet)) {

            $this->resultSet = $this->parent->client->query($this->statement);
            $this->afterExecute();
        }
    }

    private function transBoth($rawData)
    {
        $temp = [];
        foreach ($rawData as $row) {
            $rowSet = [];
            $i = 0;
            foreach ($row as $key => $value) {
                $rowSet[$key] = $value;
                $rowSet[$i++] = $value;
            }
            $temp[] = $rowSet;
        }

        return $temp;
    }

    private function transStyle(
        $rawData,
        $fetchStyle = null,
        $fetchArgument = null,
        $ctorArgs = null
    ) {
        if (! is_array($rawData)) {
            return false;
        }
        if (empty($rawData)) {
            return $rawData;
        }

        $fetchStyle = is_null($fetchStyle) ? $this->fetchStyle : $fetchStyle;
        $ctorArgs = is_null($ctorArgs) ? [] : $ctorArgs;


        $resultSet = [];
        switch ($fetchStyle) {
            case PDO::FETCH_BOTH:
                $resultSet = $this->transBoth($rawData);
                break;
            case PDO::FETCH_COLUMN:
                $resultSet = array_column(
                    is_numeric($fetchArgument) ? $this->transBoth($rawData) : $rawData,
                    $fetchArgument
                );
                break;
            case PDO::FETCH_OBJ:
                foreach ($rawData as $row) {
                    $resultSet[] = (object) $row;
                }
                break;
            case PDO::FETCH_NUM:
                foreach ($rawData as $row) {
                    $resultSet[] = array_values($row);
                }
                break;
            case PDO::FETCH_ASSOC:
            default:
                return $rawData;
        }

        return $resultSet;
    }

    public function fetch(
        $fetchStyle = null,
        $cursorOrientation = null,
        $cursorOffset = null,
        $fetchArgument = null
    ) {
        $this->__executeWhenStringQueryEmpty();

        $cursorOrientation = is_null($cursorOrientation) ? PDO::FETCH_ORI_NEXT : $cursorOrientation;
        $cursorOffset = is_null($cursorOffset) ? 0 : (int) $cursorOffset;

        switch ($cursorOrientation) {
            case PDO::FETCH_ORI_ABS:
                $this->cursor = $cursorOffset;
                break;
            case PDO::FETCH_ORI_REL:
                $this->cursor += $cursorOffset;
                break;
            case PDO::FETCH_ORI_NEXT:
            default:
                $this->cursor++;
        }

        if (isset($this->resultSet[$this->cursor])) {
            $result = $this->resultSet[$this->cursor];
            unset($this->resultSet[$this->cursor]);
        } else {
            $result = false;
        }

        if (empty($result)) {
            return $result;
        } else {
            return $this->transStyle([$result], $fetchStyle, $fetchArgument)[0];
        }
    }

    /**
     * Returns a single column from the next row of a result set or FALSE if there are no more rows.
     *
     * @param int $column_number
     * 0-indexed number of the column you wish to retrieve from the row.
     * If no value is supplied, PDOStatement::fetchColumn() fetches the first column.
     *
     * @return bool|mixed
     */
    public function fetchColumn($columnNumber = null)
    {
        $columnNumber = is_null($columnNumber) ? 0 : $columnNumber;
        $this->__executeWhenStringQueryEmpty();
        return $this->fetch(PDO::FETCH_COLUMN, PDO::FETCH_ORI_NEXT, 0, $columnNumber);
    }

    public function fetchAll($fetchStyle = null, $fetchArgument = null, $ctorArgs = null)
    {
        $this->__executeWhenStringQueryEmpty();
        $resultSet = $this->transStyle($this->resultSet, $fetchStyle, $fetchArgument, $ctorArgs);
        $this->resultSet = [];

        return $resultSet;
    }
}


1			<?php
2
3			/**
4			* Copyright: Swlib
5			* Author: Twosee <[email protected]>
6			* Modifier: Albert Chen
7			* License: Apache 2.0
8			*/
9
10			namespace SwooleTW\Http\Coroutine;
11
12			use PDOStatement as BaseStatement;
13			use SwooleTW\Http\Coroutine\PDO;
14			use Swoole\Coroutine\MySQL\Statement;
15
16			class PDOStatement extends BaseStatement
17			{
18			private $parent;
19			public $statement;
20			public $timeout;
21			public $bindMap = [];
22			public $cursor = -1;
23			public $cursorOrientation = PDO::FETCH_ORI_NEXT;
24			public $resultSet = [];
25			public $fetchStyle = PDO::FETCH_BOTH;
26
27			public function __construct(PDO $parent, Statement $statement, array $driverOptions = [])
28			{
29			$this->parent = $parent;
30			$this->statement = $statement;
31			$this->timeout = $driverOptions['timeout'] ?? -1;
32			}
33
34			public function errorCode()
35			{
36			return $this->statement->errno;
37			}
38
39			public function errorInfo()
40			{
41			return $this->statement->error;
42			}
43
44			public function rowCount()
45			{
46			return $this->statement->affected_rows;
47			}
48
49			public function bindParam($parameter, &$variable, $type = null, $maxlen = null, $driverdata = null)
50			{
51			if (! is_string($parameter) && ! is_int($parameter)) {
52			return false;
53			}
54
55			$parameter = ltrim($parameter, ':');
56			$this->bindMap[$parameter] = &$variable;
57
58			return true;
59			}
60
61			public function bindValue($parameter, $variable, $type = null)
62			{
63			if (! is_string($parameter) && ! is_int($parameter)) {
64			return false;
65			}
66
67			if (is_object($variable)) {
68			if (! method_exists($variable, '__toString')) {
69			return false;
70			} else {
71			$variable = (string) $variable;
72			}
73			}
74
75			$parameter = ltrim($parameter, ':');
76			$this->bindMap[$parameter] = $variable;
77
78			return true;
79			}
80
81			private function afterExecute()
82			{
83			$this->cursor = -1;
84			$this->bindMap = [];
85			}
86
87			public function execute($inputParameters = null)
88			{
89			if (! empty($inputParameters)) {
90			foreach ($inputParameters as $key => $value) {
91			$this->bindParam($key, $value);
92			}
93			}
94
95			$inputParameters = [];
96			if (! empty($this->statement->bindKeyMap)) {
97			foreach ($this->statement->bindKeyMap as $nameKey => $numKey) {
			0 ignored issues – show Bug introduced 2018-07-29 11:37 UTC by Report Bug Copy Issue Report The property `bindKeyMap` does not seem to exist on `Swoole\Coroutine\Mysql\Statement`. Loading history...
98			$inputParameters[$numKey] = $this->bindMap[$nameKey];
99			}
100			} else {
101			$inputParameters = $this->bindMap;
102			}
103
104			$result = $this->statement->execute($inputParameters, $this->timeout);
105			$this->resultSet = ($ok = $result !== false) ? $result : [];
106			$this->afterExecute();
107
108			return $ok;
109			}
110
111			public function setFetchMode($fetchStyle, $params = null)
112			{
113			$this->fetchStyle = $fetchStyle;
			0 ignored issues – show Bug Best Practice introduced 2018-07-29 09:29 UTC by Report Bug Copy Issue Report The expression `ImplicitReturnNode` returns the type `null` which is incompatible with the return type mandated by `PDOStatement::setFetchMode()` of `boolean`. In the issue above, the returned value is violating the contract defined by the mentioned interface. Let's take a look at an example: interface HasName { /** @return string / public function getName(); } class Name { public $name; } class User implements HasName { /* @return string\|Name */ public function getName() { return new Name('foo'); // This is a violation of the ``HasName`` interface // which only allows a string value to be returned. } } Loading history...
114			}
115
116			private function __executeWhenStringQueryEmpty()
117			{
118			if (is_string($this->statement) && empty($this->resultSet)) {
			0 ignored issues – show introduced 2018-07-29 09:29 UTC by Report Bug Copy Issue Report The condition `is_string($this->statement)` is always `false`. Loading history...
119			$this->resultSet = $this->parent->client->query($this->statement);
120			$this->afterExecute();
121			}
122			}
123
124			private function transBoth($rawData)
125			{
126			$temp = [];
127			foreach ($rawData as $row) {
128			$rowSet = [];
129			$i = 0;
130			foreach ($row as $key => $value) {
131			$rowSet[$key] = $value;
132			$rowSet[$i++] = $value;
133			}
134			$temp[] = $rowSet;
135			}
136
137			return $temp;
138			}
139
140			private function transStyle(
141			$rawData,
142			$fetchStyle = null,
143			$fetchArgument = null,
144			$ctorArgs = null
145			) {
146			if (! is_array($rawData)) {
147			return false;
148			}
149			if (empty($rawData)) {
150			return $rawData;
151			}
152
153			$fetchStyle = is_null($fetchStyle) ? $this->fetchStyle : $fetchStyle;
154			$ctorArgs = is_null($ctorArgs) ? [] : $ctorArgs;
			0 ignored issues – show Unused Code introduced 2018-07-29 09:29 UTC by Report Bug Copy Issue Report The assignment to `$ctorArgs` is dead and can be removed. Loading history...
155
156			$resultSet = [];
157			switch ($fetchStyle) {
158			case PDO::FETCH_BOTH:
159			$resultSet = $this->transBoth($rawData);
160			break;
161			case PDO::FETCH_COLUMN:
162			$resultSet = array_column(
163			is_numeric($fetchArgument) ? $this->transBoth($rawData) : $rawData,
164			$fetchArgument
165			);
166			break;
167			case PDO::FETCH_OBJ:
168			foreach ($rawData as $row) {
169			$resultSet[] = (object) $row;
170			}
171			break;
172			case PDO::FETCH_NUM:
173			foreach ($rawData as $row) {
174			$resultSet[] = array_values($row);
175			}
176			break;
177			case PDO::FETCH_ASSOC:
178			default:
179			return $rawData;
180			}
181
182			return $resultSet;
183			}
184
185			public function fetch(
186			$fetchStyle = null,
187			$cursorOrientation = null,
188			$cursorOffset = null,
189			$fetchArgument = null
190			) {
191			$this->__executeWhenStringQueryEmpty();
192
193			$cursorOrientation = is_null($cursorOrientation) ? PDO::FETCH_ORI_NEXT : $cursorOrientation;
194			$cursorOffset = is_null($cursorOffset) ? 0 : (int) $cursorOffset;
195
196			switch ($cursorOrientation) {
197			case PDO::FETCH_ORI_ABS:
198			$this->cursor = $cursorOffset;
199			break;
200			case PDO::FETCH_ORI_REL:
201			$this->cursor += $cursorOffset;
202			break;
203			case PDO::FETCH_ORI_NEXT:
204			default:
205			$this->cursor++;
206			}
207
208			if (isset($this->resultSet[$this->cursor])) {
209			$result = $this->resultSet[$this->cursor];
210			unset($this->resultSet[$this->cursor]);
211			} else {
212			$result = false;
213			}
214
215			if (empty($result)) {
216			return $result;
217			} else {
218			return $this->transStyle([$result], $fetchStyle, $fetchArgument)[0];
219			}
220			}
221
222			/**
223			* Returns a single column from the next row of a result set or FALSE if there are no more rows.
224			*
225			* @param int $column_number
226			* 0-indexed number of the column you wish to retrieve from the row.
227			* If no value is supplied, PDOStatement::fetchColumn() fetches the first column.
228			*
229			* @return bool\|mixed
230			*/
231			public function fetchColumn($columnNumber = null)
232			{
233			$columnNumber = is_null($columnNumber) ? 0 : $columnNumber;
234			$this->__executeWhenStringQueryEmpty();
235			return $this->fetch(PDO::FETCH_COLUMN, PDO::FETCH_ORI_NEXT, 0, $columnNumber);
236			}
237
238			public function fetchAll($fetchStyle = null, $fetchArgument = null, $ctorArgs = null)
239			{
240			$this->__executeWhenStringQueryEmpty();
241			$resultSet = $this->transStyle($this->resultSet, $fetchStyle, $fetchArgument, $ctorArgs);
242			$this->resultSet = [];
243
244			return $resultSet;
245			}
246			}
247

swooletw / laravel-swoole

Branch — master (9dff9d)

PDOStatement::transStyle() C

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

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