MysqliStatement::execute() - Code Metrics - Inspection of "Added Codecov uploader to Travis CI configuration" - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#3610)

by Sergei

created 2019-12-20 07:51 UTC

MysqliStatement::execute() C

↳ Parent: MysqliStatement

Complexity

Conditions	11
Paths	21

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	26
CRAP Score	11.0061

Importance

Changes

Metric	Value
dl	0
loc	64
ccs	26
cts	27
cp	0.963
rs	6.6387
c	0
b	0
f	0
cc	11
nc	21
nop	1
crap	11.0061

How to fix Long Method Complexity

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Driver\Mysqli;

use Doctrine\DBAL\Driver\DriverException;
use Doctrine\DBAL\Driver\Mysqli\Exception\ConnectionError;
use Doctrine\DBAL\Driver\Mysqli\Exception\FailedReadingStreamOffset;
use Doctrine\DBAL\Driver\Mysqli\Exception\StatementError;
use Doctrine\DBAL\Driver\Mysqli\Exception\UnknownFetchMode;
use Doctrine\DBAL\Driver\Mysqli\Exception\UnknownType;
use Doctrine\DBAL\Driver\Statement;
use Doctrine\DBAL\Driver\StatementIterator;
use Doctrine\DBAL\Exception\InvalidArgumentException;
use Doctrine\DBAL\Exception\InvalidColumnIndex;
use Doctrine\DBAL\FetchMode;
use Doctrine\DBAL\ParameterType;
use IteratorAggregate;
use mysqli;
use mysqli_stmt;
use function array_combine;
use function array_fill;
use function array_key_exists;
use function assert;
use function count;
use function feof;
use function fread;
use function get_resource_type;
use function is_array;
use function is_int;
use function is_resource;
use function str_repeat;

class MysqliStatement implements IteratorAggregate, Statement
{
    /** @var string[] */
    protected static $_paramTypeMap = [
        ParameterType::STRING       => 's',
        ParameterType::BINARY       => 's',
        ParameterType::BOOLEAN      => 'i',
        ParameterType::NULL         => 's',
        ParameterType::INTEGER      => 'i',
        ParameterType::LARGE_OBJECT => 'b',
    ];

    /** @var mysqli */
    protected $_conn;

    /** @var mysqli_stmt */
    protected $_stmt;

    /** @var string[]|false|null */
    protected $_columnNames;

    /** @var mixed[] */
    protected $_rowBindedValues = [];

    /** @var mixed[] */
    protected $_bindedValues = [];

    /** @var string */
    protected $types;

    /**
     * Contains ref values for bindValue().
     *
     * @var mixed[]
     */
    protected $_values = [];

    /** @var int */
    protected $_defaultFetchMode = FetchMode::MIXED;

    /**
     * Indicates whether the statement is in the state when fetching results is possible
     *
     * @var bool
     */
    private $result = false;

    /**
     * @throws MysqliException
     */
    public function __construct(mysqli $conn, string $sql)
    {
        $this->_conn = $conn;

        $stmt = $conn->prepare($sql);

        if ($stmt === false) {
            throw ConnectionError::new($this->_conn);
        }

        $this->_stmt = $stmt;

        $paramCount = $this->_stmt->param_count;
        if (0 >= $paramCount) {
            return;
        }

        $this->types         = str_repeat('s', $paramCount);
        $this->_bindedValues = array_fill(1, $paramCount, null);
    }

    /**
     * {@inheritdoc}
     */
    public function bindParam($param, &$variable, int $type = ParameterType::STRING, ?int $length = null) : void
    {
        assert(is_int($param));

        if (! isset(self::$_paramTypeMap[$type])) {
            throw UnknownType::new($type);
        }

        $this->_bindedValues[$param] =& $variable;
        $this->types[$param - 1]     = self::$_paramTypeMap[$type];
    }

    /**
     * {@inheritdoc}
     */
    public function bindValue($param, $value, int $type = ParameterType::STRING) : void
    {
        assert(is_int($param));

        if (! isset(self::$_paramTypeMap[$type])) {
            throw UnknownType::new($type);
        }

        $this->_values[$param]       = $value;
        $this->_bindedValues[$param] =& $this->_values[$param];
        $this->types[$param - 1]     = self::$_paramTypeMap[$type];
    }

    /**
     * {@inheritdoc}
     */
    public function execute(?array $params = null) : void
    {
        if ($params !== null && count($params) > 0) {
            if (! $this->bindUntypedValues($params)) {
                throw StatementError::new($this->_stmt);
            }
        } else {
            $this->bindTypedParameters();
        }

        if (! $this->_stmt->execute()) {
            throw StatementError::new($this->_stmt);
        }

        if ($this->_columnNames === null) {
            $meta = $this->_stmt->result_metadata();
            if ($meta !== false) {
                $fields = $meta->fetch_fields();
                assert(is_array($fields));

                $columnNames = [];
                foreach ($fields as $col) {
                    $columnNames[] = $col->name;
                }

                $meta->free();

                $this->_columnNames = $columnNames;
            } else {
                $this->_columnNames = false;
            }
        }

        if ($this->_columnNames !== false) {
            // Store result of every execution which has it. Otherwise it will be impossible
            // to execute a new statement in case if the previous one has non-fetched rows
            // @link http://dev.mysql.com/doc/refman/5.7/en/commands-out-of-sync.html
            $this->_stmt->store_result();

            // Bind row values _after_ storing the result. Otherwise, if mysqli is compiled with libmysql,
            // it will have to allocate as much memory as it may be needed for the given column type
            // (e.g. for a LONGBLOB field it's 4 gigabytes)
            // @link https://bugs.php.net/bug.php?id=51386#1270673122
            //
            // Make sure that the values are bound after each execution. Otherwise, if closeCursor() has been
            // previously called on the statement, the values are unbound making the statement unusable.
            //
            // It's also important that row values are bound after _each_ call to store_result(). Otherwise,
            // if mysqli is compiled with libmysql, subsequently fetched string values will get truncated
            // to the length of the ones fetched during the previous execution.
            $this->_rowBindedValues = array_fill(0, count($this->_columnNames), null);

            $refs = [];
            foreach ($this->_rowBindedValues as $key => &$value) {
                $refs[$key] =& $value;
            }

            if (! $this->_stmt->bind_result(...$refs)) {
                throw StatementError::new($this->_stmt);
            }
        }

        $this->result = true;
    }

    /**
     * Binds parameters with known types previously bound to the statement
     *
     * @throws DriverException
     */
    private function bindTypedParameters() : void
    {
        $streams = $values = [];
        $types   = $this->types;

        foreach ($this->_bindedValues as $parameter => $value) {
            if (! isset($types[$parameter - 1])) {
                $types[$parameter - 1] = static::$_paramTypeMap[ParameterType::STRING];
            }

            if ($types[$parameter - 1] === static::$_paramTypeMap[ParameterType::LARGE_OBJECT]) {
                if (is_resource($value)) {
                    if (get_resource_type($value) !== 'stream') {
                        throw new InvalidArgumentException('Resources passed with the LARGE_OBJECT parameter type must be stream resources.');
                    }
                    $streams[$parameter] = $value;
                    $values[$parameter]  = null;
                    continue;
                }

                $types[$parameter - 1] = static::$_paramTypeMap[ParameterType::STRING];
            }

            $values[$parameter] = $value;
        }

        if (count($values) > 0 && ! $this->_stmt->bind_param($types, ...$values)) {
            throw StatementError::new($this->_stmt);
        }

        $this->sendLongData($streams);
    }

    /**
     * Handle $this->_longData after regular query parameters have been bound
     *
     * @param resource[] $streams
     *
     * @throws MysqliException
     */
    private function sendLongData(array $streams) : void
    {
        foreach ($streams as $paramNr => $stream) {
            while (! feof($stream)) {
                $chunk = fread($stream, 8192);

                if ($chunk === false) {
                    throw FailedReadingStreamOffset::new($paramNr);
                }

                if (! $this->_stmt->send_long_data($paramNr - 1, $chunk)) {
                    throw StatementError::new($this->_stmt);
                }
            }
        }
    }

    /**
     * Binds a array of values to bound parameters.
     *
     * @param mixed[] $values
     */
    private function bindUntypedValues(array $values) : bool
    {
        $params = [];
        $types  = str_repeat('s', count($values));

        foreach ($values as &$v) {
            $params[] =& $v;
        }

        return $this->_stmt->bind_param($types, ...$params);
    }

    /**
     * @return mixed[]|false|null
     */
    private function _fetch()
    {
        $ret = $this->_stmt->fetch();

        if ($ret === true) {
            $values = [];
            foreach ($this->_rowBindedValues as $v) {
                $values[] = $v;
            }

            return $values;
        }

        return $ret;
    }

    /**
     * {@inheritdoc}
     */
    public function fetch(?int $fetchMode = null, ...$args)
    {
        // do not try fetching from the statement if it's not expected to contain result
        // in order to prevent exceptional situation
        if (! $this->result) {
            return false;
        }

        $fetchMode = $fetchMode ?: $this->_defaultFetchMode;

        if ($fetchMode === FetchMode::COLUMN) {
            return $this->fetchColumn();
        }

        $values = $this->_fetch();

        if ($values === null) {
            return false;
        }

        if ($values === false) {
            throw StatementError::new($this->_stmt);
        }

        if ($fetchMode === FetchMode::NUMERIC) {
            return $values;
        }

        assert(is_array($this->_columnNames));
        $assoc = array_combine($this->_columnNames, $values);
        assert(is_array($assoc));

        switch ($fetchMode) {
            case FetchMode::ASSOCIATIVE:
                return $assoc;

            case FetchMode::MIXED:
                return $assoc + $values;

            case FetchMode::STANDARD_OBJECT:
                return (object) $assoc;

            default:
                throw UnknownFetchMode::new($fetchMode);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function fetchAll(?int $fetchMode = null, ...$args) : array
    {
        $fetchMode = $fetchMode ?: $this->_defaultFetchMode;

        $rows = [];

        if ($fetchMode === FetchMode::COLUMN) {
            while (($row = $this->fetchColumn()) !== false) {
                $rows[] = $row;
            }
        } else {
            while (($row = $this->fetch($fetchMode)) !== false) {
                $rows[] = $row;
            }
        }

        return $rows;
    }

    /**
     * {@inheritdoc}
     */
    public function fetchColumn(int $columnIndex = 0)
    {
        $row = $this->fetch(FetchMode::NUMERIC);

        if ($row === false) {
            return false;
        }

        if (! array_key_exists($columnIndex, $row)) {
            throw InvalidColumnIndex::new($columnIndex, count($row));
        }

        return $row[$columnIndex];
    }

    /**
     * {@inheritdoc}
     */
    public function closeCursor() : void
    {
        $this->_stmt->free_result();
        $this->result = false;
    }

    /**
     * {@inheritdoc}
     */
    public function rowCount() : int
    {
        if ($this->_columnNames === false) {
            return $this->_stmt->affected_rows;
        }

        return $this->_stmt->num_rows;
    }

    /**
     * {@inheritdoc}
     */
    public function columnCount() : int
    {
        return $this->_stmt->field_count;
    }

    /**
     * {@inheritdoc}
     */
    public function setFetchMode(int $fetchMode, ...$args) : void
    {
        $this->_defaultFetchMode = $fetchMode;
    }

    /**
     * {@inheritdoc}
     */
    public function getIterator()
    {
        return new StatementIterator($this);
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Doctrine\DBAL\Driver\Mysqli;
6
7		use Doctrine\DBAL\Driver\DriverException;
8		use Doctrine\DBAL\Driver\Mysqli\Exception\ConnectionError;
9		use Doctrine\DBAL\Driver\Mysqli\Exception\FailedReadingStreamOffset;
10		use Doctrine\DBAL\Driver\Mysqli\Exception\StatementError;
11		use Doctrine\DBAL\Driver\Mysqli\Exception\UnknownFetchMode;
12		use Doctrine\DBAL\Driver\Mysqli\Exception\UnknownType;
13		use Doctrine\DBAL\Driver\Statement;
14		use Doctrine\DBAL\Driver\StatementIterator;
15		use Doctrine\DBAL\Exception\InvalidArgumentException;
16		use Doctrine\DBAL\Exception\InvalidColumnIndex;
17		use Doctrine\DBAL\FetchMode;
18		use Doctrine\DBAL\ParameterType;
19		use IteratorAggregate;
20		use mysqli;
21		use mysqli_stmt;
22		use function array_combine;
23		use function array_fill;
24		use function array_key_exists;
25		use function assert;
26		use function count;
27		use function feof;
28		use function fread;
29		use function get_resource_type;
30		use function is_array;
31		use function is_int;
32		use function is_resource;
33		use function str_repeat;
34
35		class MysqliStatement implements IteratorAggregate, Statement
36		{
37		/** @var string[] */
38		protected static $_paramTypeMap = [
39		ParameterType::STRING => 's',
40		ParameterType::BINARY => 's',
41		ParameterType::BOOLEAN => 'i',
42		ParameterType::NULL => 's',
43		ParameterType::INTEGER => 'i',
44		ParameterType::LARGE_OBJECT => 'b',
45		];
46
47		/** @var mysqli */
48		protected $_conn;
49
50		/** @var mysqli_stmt */
51		protected $_stmt;
52
53		/** @var string[]\|false\|null */
54		protected $_columnNames;
55
56		/** @var mixed[] */
57		protected $_rowBindedValues = [];
58
59		/** @var mixed[] */
60		protected $_bindedValues = [];
61
62		/** @var string */
63		protected $types;
64
65		/**
66		* Contains ref values for bindValue().
67		*
68		* @var mixed[]
69		*/
70		protected $_values = [];
71
72		/** @var int */
73		protected $_defaultFetchMode = FetchMode::MIXED;
74
75		/**
76		* Indicates whether the statement is in the state when fetching results is possible
77		*
78		* @var bool
79	1816	*/
80		private $result = false;
81	1816
82		/**
83	1816	* @throws MysqliException
84		*/
85	1816	public function __construct(mysqli $conn, string $sql)
86	1389	{
87		$this->_conn = $conn;
88
89	1816	$stmt = $conn->prepare($sql);
90
91	1816	if ($stmt === false) {
92	1816	throw ConnectionError::new($this->_conn);
93	1809	}
94
95		$this->_stmt = $stmt;
96	1816
97	1816	$paramCount = $this->_stmt->param_count;
98	1816	if (0 >= $paramCount) {
99		return;
100		}
101
102		$this->types = str_repeat('s', $paramCount);
103	1781	$this->_bindedValues = array_fill(1, $paramCount, null);
104		}
105	1781
106		/**
107	1781	* {@inheritdoc}
108		*/
109		public function bindParam($param, &$variable, int $type = ParameterType::STRING, ?int $length = null) : void
110		{
111	1781	assert(is_int($param));
112	1781
113		if (! isset(self::$_paramTypeMap[$type])) {
114	1781	throw UnknownType::new($type);
115		}
116
117		$this->_bindedValues[$param] =& $variable;
118		$this->types[$param - 1] = self::$_paramTypeMap[$type];
119		}
120	1816
121		/**
122	1816	* {@inheritdoc}
123		*/
124	1816	public function bindValue($param, $value, int $type = ParameterType::STRING) : void
125		{
126		assert(is_int($param));
127
128	1816	if (! isset(self::$_paramTypeMap[$type])) {
129	1816	throw UnknownType::new($type);
130	1816	}
131
132	1816	$this->_values[$param] = $value;
133		$this->_bindedValues[$param] =& $this->_values[$param];
134		$this->types[$param - 1] = self::$_paramTypeMap[$type];
135		}
136
137		/**
138	1816	* {@inheritdoc}
139		*/
140	1816	public function execute(?array $params = null) : void
141	1816	{
142	1753	if ($params !== null && count($params) > 0) {
143	1753	if (! $this->bindUntypedValues($params)) {
144		throw StatementError::new($this->_stmt);
145		}
146	1816	} else {
147		$this->bindTypedParameters();
148		}
149
150	1816	if (! $this->_stmt->execute()) {
151	1396	throw StatementError::new($this->_stmt);
152		}
153
154	1816	if ($this->_columnNames === null) {
155	1816	$meta = $this->_stmt->result_metadata();
156	1816	if ($meta !== false) {
157	1809	$fields = $meta->fetch_fields();
158	1809	assert(is_array($fields));
159
160	1809	$columnNames = [];
161	1809	foreach ($fields as $col) {
162	1809	$columnNames[] = $col->name;
163		}
164
165	1809	$meta->free();
166
167	1809	$this->_columnNames = $columnNames;
168		} else {
169	1816	$this->_columnNames = false;
170		}
171		}
172
173	1816	if ($this->_columnNames !== false) {
174		// Store result of every execution which has it. Otherwise it will be impossible
175		// to execute a new statement in case if the previous one has non-fetched rows
176		// @link http://dev.mysql.com/doc/refman/5.7/en/commands-out-of-sync.html
177	1809	$this->_stmt->store_result();
178
179		// Bind row values _after_ storing the result. Otherwise, if mysqli is compiled with libmysql,
180		// it will have to allocate as much memory as it may be needed for the given column type
181		// (e.g. for a LONGBLOB field it's 4 gigabytes)
182		// @link https://bugs.php.net/bug.php?id=51386#1270673122
183		//
184		// Make sure that the values are bound after each execution. Otherwise, if closeCursor() has been
185		// previously called on the statement, the values are unbound making the statement unusable.
186		//
187		// It's also important that row values are bound after _each_ call to store_result(). Otherwise,
188		// if mysqli is compiled with libmysql, subsequently fetched string values will get truncated
189		// to the length of the ones fetched during the previous execution.
190	1809	$this->_rowBindedValues = array_fill(0, count($this->_columnNames), null);
191
192	1809	$refs = [];
193	1809	foreach ($this->_rowBindedValues as $key => &$value) {
194	1809	$refs[$key] =& $value;
195		}
196
197	1809	if (! $this->_stmt->bind_result(...$refs)) {
198		throw StatementError::new($this->_stmt);
199		}
200		}
201
202	1816	$this->result = true;
203		}
204	1816
205		/**
206		* Binds parameters with known types previously bound to the statement
207		*
208		* @throws DriverException
209		*/
210	1816	private function bindTypedParameters() : void
211		{
212	1816	$streams = $values = [];
213	1816	$types = $this->types;
214
215	1816	foreach ($this->_bindedValues as $parameter => $value) {
216	1816	if (! isset($types[$parameter - 1])) {
217		$types[$parameter - 1] = static::$_paramTypeMap[ParameterType::STRING];
218		}
219
220	1816	if ($types[$parameter - 1] === static::$_paramTypeMap[ParameterType::LARGE_OBJECT]) {
221	1816	if (is_resource($value)) {
222	1809	if (get_resource_type($value) !== 'stream') {
223		throw new InvalidArgumentException('Resources passed with the LARGE_OBJECT parameter type must be stream resources.');
224		}
225	1809	$streams[$parameter] = $value;
226	1809	$values[$parameter] = null;
227	1809	continue;
228		}
229
230	1816	$types[$parameter - 1] = static::$_paramTypeMap[ParameterType::STRING];
231		}
232
233	1816	$values[$parameter] = $value;
234		}
235
236	1816	if (count($values) > 0 && ! $this->_stmt->bind_param($types, ...$values)) {
237		throw StatementError::new($this->_stmt);
238		}
239
240	1816	$this->sendLongData($streams);
241	1816	}
242
243		/**
244		* Handle $this->_longData after regular query parameters have been bound
245		*
246		* @param resource[] $streams
247		*
248	1816	* @throws MysqliException
249		*/
250	1816	private function sendLongData(array $streams) : void
251	1809	{
252	1809	foreach ($streams as $paramNr => $stream) {
253		while (! feof($stream)) {
254	1809	$chunk = fread($stream, 8192);
255
256		if ($chunk === false) {
257		throw FailedReadingStreamOffset::new($paramNr);
258	1809	}
259
260		if (! $this->_stmt->send_long_data($paramNr - 1, $chunk)) {
261		throw StatementError::new($this->_stmt);
262		}
263	1816	}
264		}
265		}
266
267		/**
268		* Binds a array of values to bound parameters.
269		*
270		* @param mixed[] $values
271		*/
272	1753	private function bindUntypedValues(array $values) : bool
273		{
274	1753	$params = [];
275	1753	$types = str_repeat('s', count($values));
276
277	1753	foreach ($values as &$v) {
278	1753	$params[] =& $v;
279		}
280
281	1753	return $this->_stmt->bind_param($types, ...$params);
282		}
283
284		/**
285		* @return mixed[]\|false\|null
286		*/
287	1809	private function _fetch()
288		{
289	1809	$ret = $this->_stmt->fetch();
290
291	1809	if ($ret === true) {
292	1809	$values = [];
293	1809	foreach ($this->_rowBindedValues as $v) {
294	1809	$values[] = $v;
295		}
296
297	1809	return $values;
298		}
299
300	1809	return $ret;
301		}
302
303		/**
304		* {@inheritdoc}
305		*/
306	1809	public function fetch(?int $fetchMode = null, ...$args)
307		{
308		// do not try fetching from the statement if it's not expected to contain result
309		// in order to prevent exceptional situation
310	1809	if (! $this->result) {
311	346	return false;
312		}
313
314	1809	$fetchMode = $fetchMode ?: $this->_defaultFetchMode;
315
316	1809	if ($fetchMode === FetchMode::COLUMN) {
317	269	return $this->fetchColumn();
318		}
319
320	1809	$values = $this->_fetch();
321
322	1809	if ($values === null) {
323	1809	return false;
324		}
325
326	1809	if ($values === false) {
327		throw StatementError::new($this->_stmt);
328		}
329
330	1809	if ($fetchMode === FetchMode::NUMERIC) {
331	1809	return $values;
332		}
333
334	1753	assert(is_array($this->_columnNames));
335	1753	$assoc = array_combine($this->_columnNames, $values);
336	1753	assert(is_array($assoc));
337
338	1753	switch ($fetchMode) {
339		case FetchMode::ASSOCIATIVE:
340	1753	return $assoc;
341
342		case FetchMode::MIXED:
343	1732	return $assoc + $values;
344
345		case FetchMode::STANDARD_OBJECT:
346	1452	return (object) $assoc;
347
348		default:
349		throw UnknownFetchMode::new($fetchMode);
350		}
351		}
352
353		/**
354		* {@inheritdoc}
355		*/
356	1809	public function fetchAll(?int $fetchMode = null, ...$args) : array
357		{
358	1809	$fetchMode = $fetchMode ?: $this->_defaultFetchMode;
359
360	1809	$rows = [];
361
362	1809	if ($fetchMode === FetchMode::COLUMN) {
363	1809	while (($row = $this->fetchColumn()) !== false) {
364	1809	$rows[] = $row;
365		}
366		} else {
367	1739	while (($row = $this->fetch($fetchMode)) !== false) {
368	1739	$rows[] = $row;
369		}
370		}
371
372	1809	return $rows;
373		}
374
375		/**
376		* {@inheritdoc}
377		*/
378	1809	public function fetchColumn(int $columnIndex = 0)
379		{
380	1809	$row = $this->fetch(FetchMode::NUMERIC);
381
382	1809	if ($row === false) {
383	1809	return false;
384		}
385
386	1809	if (! array_key_exists($columnIndex, $row)) {
387		throw InvalidColumnIndex::new($columnIndex, count($row));
388		}
389
390		return $row[$columnIndex];
391		}
392
393		/**
394		* {@inheritdoc}
395		*/
396		public function closeCursor() : void
397		{
398		$this->_stmt->free_result();
399		$this->result = false;
400		}
401
402		/**
403		* {@inheritdoc}
404		*/
405		public function rowCount() : int
406		{
407		if ($this->_columnNames === false) {
408	1066	return $this->_stmt->affected_rows;
409		}
410	1066
411	1066	return $this->_stmt->num_rows;
412		}
413	1066
414		/**
415		* {@inheritdoc}
416		*/
417		public function columnCount() : int
418		{
419	1816	return $this->_stmt->field_count;
420		}
421	1816
422	1816	/**
423		* {@inheritdoc}
424		*/
425		public function setFetchMode(int $fetchMode, ...$args) : void
426		{
427		$this->_defaultFetchMode = $fetchMode;
428		}
429
430		/**
431	1066	* {@inheritdoc}
432		*/
433	1066	public function getIterator()
434		{
435		return new StatementIterator($this);
436		}
437		}
438

doctrine / dbal

Pull Request — master (#3610)

MysqliStatement::execute() C

Complexity

Size

Duplication

Code Coverage

Importance

How to fix Long Method Complexity

Long Method

Duplication Side-by-Side

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