Select::setLock() - Code Metrics - Inspection of "Refactor Lock handling" - abterphp/qb - Measure and Improve Code Quality continuously with Scrutinizer

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by Peter

created 2021-06-27 16:22 UTC

Select::setLock() A

↳ Parent: Select

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	2
c	0
b	0
f	0
nc	1
nop	1
dl	0
loc	5
rs	10
ccs	3
cts	3
cp	1
crap	1

<?php

declare(strict_types=1);

namespace QB\PostgreSQL\Statement;

use QB\Generic\Statement\Select as GenericSelect;
use QB\PostgreSQL\Clause\Lock;

class Select extends GenericSelect
{
    protected const UNION     = 'union';
    protected const INTERSECT = 'intersect';
    protected const EXCEPT    = 'except';

    protected array $unionLikes = [];

    protected ?Lock $lock = null;

    protected ?string $lockTable = null;

    protected ?int $outerOffset = null;

    protected ?int $outerLimit = null;

    /** @var array<string,string> */
    protected array $outerOrderByParts = [];

    /**
     * @param int|null $offset
     *
     * @return $this
     */
    public function setOuterOffset(?int $offset): static
    {
        $this->outerOffset = $offset;

        return $this;
    }

    /**
     * @param int|null $limit
     *
     * @return $this
     */
    public function setOuterLimit(?int $limit): static
    {
        $this->outerLimit = $limit;

        return $this;
    }

    /**
     * @param string $column
     * @param string $direction
     *
     * @return Select
     */
    public function addOuterOrderBy(string $column, string $direction = 'ASC'): static
    {
        $this->outerOrderByParts[$column] = $direction;

        return $this;
    }

    /**
     * @param Lock $lock
     *
     * @return $this
     */
    public function setLock(Lock $lock): static
    {
        $this->lock = $lock;

        return $this;
    }

    /**
     * @param Select $select
     * @param string $modifier
     *
     * @return $this
     */
    public function addUnion(Select $select, string $modifier = ''): static
    {
        return $this->addUnionLike(static::UNION, $select, $modifier);
    }

    /**
     * @param Select $select
     * @param string $modifier
     *
     * @return $this
     */
    public function addIntersect(Select $select, string $modifier = ''): static
    {
        return $this->addUnionLike(static::INTERSECT, $select, $modifier);
    }

    /**
     * @param Select $select
     * @param string $modifier
     *
     * @return $this
     */
    public function addExcept(Select $select, string $modifier = ''): static
    {
        return $this->addUnionLike(static::EXCEPT, $select, $modifier);
    }

    /**
     * @param string $type
     * @param Select $select
     * @param string $modifier
     *
     * @return $this
     */
    protected function addUnionLike(string $type, Select $select, string $modifier = ''): static
    {
        if ($type !== static::INTERSECT && $type !== static::EXCEPT) {
            $type = static::UNION;
        }

        if ($modifier !== static::ALL && $modifier !== static::DISTINCT) {
            $modifier = '';
        }

        $this->unionLikes[] = [$type, $select, $modifier];

        return $this;
    }

    public function __toString(): string
    {
        $parts = array_merge(
            [parent::__toString()],
            $this->getLock(),
            $this->getUnionLikes()
        );

        $parts = array_filter($parts);

        $sql = implode(PHP_EOL, $parts);

        if ($this->outerLimit === null && $this->outerOffset === null && count($this->outerOrderByParts) === 0) {
            return $sql;
        }

        $parts = array_merge(
            ['(' . $sql . ')'],
            $this->getOuterOrderBy(),
            $this->getOuterLimit()
        );

        $parts = array_filter($parts);

        return implode(PHP_EOL, $parts);
    }

    /**
     * @return string[]
     */
    protected function getLock(): array
    {
        if ($this->lock === null) {
            return [];
        }

        return [(string)$this->lock];
    }

    /**
     * @return string[]
     */
    public function getUnionLikes(): array
    {
        $parts = [];
        foreach ($this->unionLikes as $unionLike) {
            $unionType = $unionLike[0];
            $select    = $unionLike[1];
            $modifier  = '';
            if ($unionLike[2]) {
                $modifier = ' ' . $unionLike[2];
            }

            switch ($unionType) {
                case static::UNION:
                    $parts[] = 'UNION' . $modifier . PHP_EOL . $select;
                    break;
                case static::INTERSECT:
                    $parts[] = 'INTERSECT' . $modifier . PHP_EOL . $select;
                    break;
                case static::EXCEPT:
                    $parts[] = 'EXCEPT' . $modifier . PHP_EOL . $select;
                    break;
            }
        }

        return $parts;
    }

    /**
     * @return string[]
     */
    protected function getOuterOrderBy(): array
    {
        if (count($this->outerOrderByParts) === 0) {
            return [];
        }

        $parts = [];
        foreach ($this->outerOrderByParts as $column => $direction) {
            $parts[] = "$column $direction";
        }

        return ['ORDER BY ' . implode(', ', $parts)];
    }

    /**
     * @return string[]
     */
    protected function getOuterLimit(): array
    {
        $parts = [];
        if ($this->outerLimit !== null && $this->outerOffset !== null) {
            $parts[] = 'LIMIT ' . $this->outerOffset . ', ' . $this->outerLimit;
        } elseif ($this->outerLimit !== null) {
            $parts[] = 'LIMIT ' . $this->outerLimit;
        }

        return $parts;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace QB\PostgreSQL\Statement;
6
7		use QB\Generic\Statement\Select as GenericSelect;
8		use QB\PostgreSQL\Clause\Lock;
9
10		class Select extends GenericSelect
11		{
12		protected const UNION = 'union';
13		protected const INTERSECT = 'intersect';
14		protected const EXCEPT = 'except';
15
16		protected array $unionLikes = [];
17
18		protected ?Lock $lock = null;
19
20		protected ?string $lockTable = null;
21
22		protected ?int $outerOffset = null;
23
24		protected ?int $outerLimit = null;
25
26		/** @var array<string,string> */
27		protected array $outerOrderByParts = [];
28
29		/**
30		* @param int\|null $offset
31		*
32		* @return $this
33		*/
34		public function setOuterOffset(?int $offset): static
35		{
36		$this->outerOffset = $offset;
37
38		return $this;
39		}
40
41		/**
42		* @param int\|null $limit
43		*
44		* @return $this
45		*/
46	1	public function setOuterLimit(?int $limit): static
47		{
48	1	$this->outerLimit = $limit;
49
50	1	return $this;
51		}
52
53		/**
54		* @param string $column
55		* @param string $direction
56		*
57		* @return Select
58		*/
59		public function addOuterOrderBy(string $column, string $direction = 'ASC'): static
60		{
61		$this->outerOrderByParts[$column] = $direction;
62
63		return $this;
64		}
65
66		/**
67		* @param Lock $lock
68		*
69		* @return $this
70		*/
71	3	public function setLock(Lock $lock): static
72		{
73	3	$this->lock = $lock;
74
75	3	return $this;
76		}
77
78		/**
79		* @param Select $select
80		* @param string $modifier
81		*
82		* @return $this
83		*/
84	3	public function addUnion(Select $select, string $modifier = ''): static
85		{
86	3	return $this->addUnionLike(static::UNION, $select, $modifier);
87		}
88
89		/**
90		* @param Select $select
91		* @param string $modifier
92		*
93		* @return $this
94		*/
95	1	public function addIntersect(Select $select, string $modifier = ''): static
96		{
97	1	return $this->addUnionLike(static::INTERSECT, $select, $modifier);
98		}
99
100		/**
101		* @param Select $select
102		* @param string $modifier
103		*
104		* @return $this
105		*/
106	1	public function addExcept(Select $select, string $modifier = ''): static
107		{
108	1	return $this->addUnionLike(static::EXCEPT, $select, $modifier);
109		}
110
111		/**
112		* @param string $type
113		* @param Select $select
114		* @param string $modifier
115		*
116		* @return $this
117		*/
118	4	protected function addUnionLike(string $type, Select $select, string $modifier = ''): static
119		{
120	4	if ($type !== static::INTERSECT && $type !== static::EXCEPT) {
121	3	$type = static::UNION;
122		}
123
124	4	if ($modifier !== static::ALL && $modifier !== static::DISTINCT) {
125	4	$modifier = '';
126		}
127
128	4	$this->unionLikes[] = [$type, $select, $modifier];
129
130	4	return $this;
131		}
132
133	18	public function __toString(): string
134		{
135	18	$parts = array_merge(
136	18	[parent::__toString()],
137	17	$this->getLock(),
138	17	$this->getUnionLikes()
139		);
140
141	17	$parts = array_filter($parts);
142
143	17	$sql = implode(PHP_EOL, $parts);
144
145	17	if ($this->outerLimit === null && $this->outerOffset === null && count($this->outerOrderByParts) === 0) {
146	17	return $sql;
147		}
148
149	1	$parts = array_merge(
150	1	['(' . $sql . ')'],
151	1	$this->getOuterOrderBy(),
152	1	$this->getOuterLimit()
153		);
154
155	1	$parts = array_filter($parts);
156
157	1	return implode(PHP_EOL, $parts);
158		}
159
160		/**
161		* @return string[]
162		*/
163	17	protected function getLock(): array
164		{
165	17	if ($this->lock === null) {
166	17	return [];
167		}
168
169	3	return [(string)$this->lock];
170		}
171
172		/**
173		* @return string[]
174		*/
175	17	public function getUnionLikes(): array
176		{
177	17	$parts = [];
178	17	foreach ($this->unionLikes as $unionLike) {
179	4	$unionType = $unionLike[0];
180	4	$select = $unionLike[1];
181	4	$modifier = '';
182	4	if ($unionLike[2]) {
183		$modifier = ' ' . $unionLike[2];
184		}
185
186		switch ($unionType) {
187	4	case static::UNION:
188	3	$parts[] = 'UNION' . $modifier . PHP_EOL . $select;
189	3	break;
190	2	case static::INTERSECT:
191	1	$parts[] = 'INTERSECT' . $modifier . PHP_EOL . $select;
192	1	break;
193	1	case static::EXCEPT:
194	1	$parts[] = 'EXCEPT' . $modifier . PHP_EOL . $select;
195	1	break;
196		}
197		}
198
199	17	return $parts;
200		}
201
202		/**
203		* @return string[]
204		*/
205	1	protected function getOuterOrderBy(): array
206		{
207	1	if (count($this->outerOrderByParts) === 0) {
208	1	return [];
209		}
210
211		$parts = [];
212		foreach ($this->outerOrderByParts as $column => $direction) {
213		$parts[] = "$column $direction";
214		}
215
216		return ['ORDER BY ' . implode(', ', $parts)];
217		}
218
219		/**
220		* @return string[]
221		*/
222	1	protected function getOuterLimit(): array
223		{
224	1	$parts = [];
225	1	if ($this->outerLimit !== null && $this->outerOffset !== null) {
226		$parts[] = 'LIMIT ' . $this->outerOffset . ', ' . $this->outerLimit;
227	1	} elseif ($this->outerLimit !== null) {
228	1	$parts[] = 'LIMIT ' . $this->outerLimit;
229		}
230
231	1	return $parts;
232		}
233		}
234

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Select::setLock() A

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