BelongsTo::load() - Code Metrics - Inspection of "Added lazy loading on entity relation" - slickframework/orm - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 9cefff...efc7f4 )

by Filipe

created 2016-03-11 18:16 UTC

BelongsTo::load() B

↳ Parent: BelongsTo

Complexity

Conditions	2
Paths	2

Size

Total Lines	27
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
c	1
b	0
f	1
dl	0
loc	27
ccs	0
cts	22
cp	0
rs	8.8571
cc	2
eloc	18
nc	2
nop	1
crap	6

<?php

/**
 * This file is part of slick/orm package
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Slick\Orm\Mapper\Relation;

use Slick\Database\Sql;
use Slick\Orm\Entity\EntityCollection;
use Slick\Orm\EntityInterface;
use Slick\Orm\Event\Select;
use Slick\Orm\Mapper\RelationInterface;
use Slick\Orm\Orm;

/**
 * BelongsTo (Many-To-On) relation
 *
 * @package Slick\Orm\Mapper\Relation
 * @author  Filipe Silva <[email protected]>
 */
class BelongsTo extends AbstractRelation implements RelationInterface
{
    /**
     * Relations utility methods
     */
    use RelationsUtilityMethods;

    /**
     * BelongsTo relation
     *
     * @param array|object $options The parameters from annotation
     */
    public function __construct($options)
    {
        /** @var \Slick\Orm\Annotations\BelongsTo $annotation */
        $annotation = $options['annotation'];
        unset($options['annotation']);
        $options['foreignKey'] = $annotation->getParameter('foreignKey');
        $options['parentEntity'] = $annotation->getValue();

        parent::__construct($options);

        $this->registerListeners();
    }

    /**
     * Handles the before select callback
     *
     * @param Select $event
     */
    public function beforeSelect(Select $event)
    {
        $fields = $this->getFieldsPrefixed();
        $table = $this->entityDescriptor->getTableName();
        $relateTable = $this->getParentTableName();
        $pmk = $this->getParentPrimaryKey();

        $onClause = "{$table}.{$this->getForeignKey()} = ".
            "{$relateTable}.{$pmk}";

        $query = $event->getQuery();
        $query->join($relateTable, $onClause, $fields, $relateTable);
    }

    /**
     * Handles the after select callback
     *
     * @param Select $event
     */
    public function afterSelect(Select $event)
    {
        foreach ($event->getEntityCollection() as $index => $entity) {
            $row = $event->getData()[$index];
            $entity->{$this->propertyName} = $this->getFromMap($row);
        }
    }

    /**
     * Registers the listener for before select event
     */
    private function registerListeners()
    {
        Orm::addListener(
            $this->entityDescriptor->className(),
            Select::ACTION_BEFORE_SELECT,
            [$this, 'beforeSelect']
        );

        Orm::addListener(
            $this->entityDescriptor->className(),
            Select::ACTION_AFTER_SELECT,
            [$this, 'afterSelect']
        );
    }

    /**
     * Prefixed fields for join
     *
     * @return array
     */
    private function getFieldsPrefixed()
    {
        $table = $this->getParentTableName();
        $data = [];

        foreach ($this->getParentFields() as $field) {
            $data[] = "{$field->getField()} AS ".
                "{$table}_{$field->getField()}";
        }
        return $data;
    }

    /**
     * Check if entity is already loaded and uses it.
     *
     * If not loaded the entity will be created and loaded to the repository's
     * identity map so that it can be reused next time.
     *
     * @param array $dataRow
     *
     * @return null|EntityCollection|EntityInterface|EntityInterface[]
     */
    private function getFromMap($dataRow)
    {
        $entity = $this->getParentRepository()
            ->getIdentityMap()
            ->get($dataRow[$this->getForeignKey()], false);
        if (false === $entity) {
            $entity = $this->map($dataRow);
        }
        return $entity;
    }

    /**
     * Creates and maps related entity
     *
     * @param array $dataRow
     *
     * @return null|EntityCollection|EntityInterface|EntityInterface[]
     */
    private function map($dataRow)
    {
        $data = $this->getData($dataRow);
        $pmk = $this->getParentPrimaryKey();
        $entity = (isset($data[$pmk]) && $data[$pmk])
            ? $this->getParentEntityMapper()->createFrom($data)
            : null;
        return null == $entity ? null : $this->registerEntity($entity);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
    }

    /**
     * Gets a data array with fields and values for parent entity creation
     *
     * @param array $dataRow
     *
     * @return array
     */
    private function getData($dataRow)
    {
        $data = [];
        $relateTable = $this->getParentTableName();
        $regexp = "/{$relateTable}_(?P<name>.+)/i";
        foreach ($dataRow as $field => $value) {
            if (preg_match($regexp, $field, $matched)) {
                $data[$matched['name']] = $value;
            }
        }
        return $data;
    }

    /**
     * Loads the entity or entity collection for this relation
     *
     * @param EntityInterface $entity
     *
     * @return null|EntityInterface
     */
    public function load(EntityInterface $entity)
    {
        $adapter = Orm::getRepository(get_class($entity))
            ->getAdapter();

        $relTable = $this->getParentTableName();
        $relPmk = $this->getParentPrimaryKey();

        $table = $this->getEntityDescriptor()->getTableName();
        $pmk = $this->getEntityDescriptor()->getPrimaryKey();
        $fnk = $this->getForeignKey();

        $onClause = "{$relTable}.{$relPmk} = {$table}.{$fnk}";

        $data = Sql::createSql($adapter)
            ->select($relTable)
            ->join($table, $onClause, null)
            ->where([
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                "{$table}.{$pmk->getField()} = :id" => [
                    ':id' => $entity->{$pmk->getName()}
                ]
            ])
            ->first();
        $relEntity = $this->getParentEntityMapper()->createFrom($data);

        return null == $relEntity ? null :$this->registerEntity($relEntity);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
    }
}

1			<?php
2
3			/**
4			* This file is part of slick/orm package
5			*
6			* For the full copyright and license information, please view the LICENSE
7			* file that was distributed with this source code.
8			*/
9
10			namespace Slick\Orm\Mapper\Relation;
11
12			use Slick\Database\Sql;
13			use Slick\Orm\Entity\EntityCollection;
14			use Slick\Orm\EntityInterface;
15			use Slick\Orm\Event\Select;
16			use Slick\Orm\Mapper\RelationInterface;
17			use Slick\Orm\Orm;
18
19			/**
20			* BelongsTo (Many-To-On) relation
21			*
22			* @package Slick\Orm\Mapper\Relation
23			* @author Filipe Silva <[email protected]>
24			*/
25			class BelongsTo extends AbstractRelation implements RelationInterface
26			{
27			/**
28			* Relations utility methods
29			*/
30			use RelationsUtilityMethods;
31
32			/**
33			* BelongsTo relation
34			*
35			* @param array\|object $options The parameters from annotation
36			*/
37			public function __construct($options)
38			{
39			/** @var \Slick\Orm\Annotations\BelongsTo $annotation */
40			$annotation = $options['annotation'];
41			unset($options['annotation']);
42			$options['foreignKey'] = $annotation->getParameter('foreignKey');
43			$options['parentEntity'] = $annotation->getValue();
44
45			parent::__construct($options);
46
47			$this->registerListeners();
48			}
49
50			/**
51			* Handles the before select callback
52			*
53			* @param Select $event
54			*/
55			public function beforeSelect(Select $event)
56			{
57			$fields = $this->getFieldsPrefixed();
58			$table = $this->entityDescriptor->getTableName();
59			$relateTable = $this->getParentTableName();
60			$pmk = $this->getParentPrimaryKey();
61
62			$onClause = "{$table}.{$this->getForeignKey()} = ".
63			"{$relateTable}.{$pmk}";
64
65			$query = $event->getQuery();
66			$query->join($relateTable, $onClause, $fields, $relateTable);
67			}
68
69			/**
70			* Handles the after select callback
71			*
72			* @param Select $event
73			*/
74			public function afterSelect(Select $event)
75			{
76			foreach ($event->getEntityCollection() as $index => $entity) {
77			$row = $event->getData()[$index];
78			$entity->{$this->propertyName} = $this->getFromMap($row);
79			}
80			}
81
82			/**
83			* Registers the listener for before select event
84			*/
85			private function registerListeners()
86			{
87			Orm::addListener(
88			$this->entityDescriptor->className(),
89			Select::ACTION_BEFORE_SELECT,
90			[$this, 'beforeSelect']
91			);
92
93			Orm::addListener(
94			$this->entityDescriptor->className(),
95			Select::ACTION_AFTER_SELECT,
96			[$this, 'afterSelect']
97			);
98			}
99
100			/**
101			* Prefixed fields for join
102			*
103			* @return array
104			*/
105			private function getFieldsPrefixed()
106			{
107			$table = $this->getParentTableName();
108			$data = [];
109
110			foreach ($this->getParentFields() as $field) {
111			$data[] = "{$field->getField()} AS ".
112			"{$table}_{$field->getField()}";
113			}
114			return $data;
115			}
116
117			/**
118			* Check if entity is already loaded and uses it.
119			*
120			* If not loaded the entity will be created and loaded to the repository's
121			* identity map so that it can be reused next time.
122			*
123			* @param array $dataRow
124			*
125			* @return null\|EntityCollection\|EntityInterface\|EntityInterface[]
126			*/
127			private function getFromMap($dataRow)
128			{
129			$entity = $this->getParentRepository()
130			->getIdentityMap()
131			->get($dataRow[$this->getForeignKey()], false);
132			if (false === $entity) {
133			$entity = $this->map($dataRow);
134			}
135			return $entity;
136			}
137
138			/**
139			* Creates and maps related entity
140			*
141			* @param array $dataRow
142			*
143			* @return null\|EntityCollection\|EntityInterface\|EntityInterface[]
144			*/
145			private function map($dataRow)
146			{
147			$data = $this->getData($dataRow);
148			$pmk = $this->getParentPrimaryKey();
149			$entity = (isset($data[$pmk]) && $data[$pmk])
150			? $this->getParentEntityMapper()->createFrom($data)
151			: null;
152			return null == $entity ? null : $this->registerEntity($entity);
			0 ignored issues – show Bug introduced 2016-03-11 18:24 UTC by Report Bug Copy Issue Report It seems like `$entity` defined by `isset($data[$pmk]) && $d...reateFrom($data) : null` on line `149` can also be of type `array<integer,object<Sli...EntityMapperInterface>>`; however, `Slick\Orm\Mapper\Relatio...ation::registerEntity()` does only seem to accept `object<Slick\Orm\EntityI...ntity\EntityCollection>`, maybe add an additional type check? If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check: /** * @return array\|string */ function returnsDifferentValues($x) { if ($x) { return 'foo'; } return array(); } $x = returnsDifferentValues($y); if (is_array($x)) { // $x is an array. } If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue. Loading history...
153			}
154
155			/**
156			* Gets a data array with fields and values for parent entity creation
157			*
158			* @param array $dataRow
159			*
160			* @return array
161			*/
162			private function getData($dataRow)
163			{
164			$data = [];
165			$relateTable = $this->getParentTableName();
166			$regexp = "/{$relateTable}_(?P<name>.+)/i";
167			foreach ($dataRow as $field => $value) {
168			if (preg_match($regexp, $field, $matched)) {
169			$data[$matched['name']] = $value;
170			}
171			}
172			return $data;
173			}
174
175			/**
176			* Loads the entity or entity collection for this relation
177			*
178			* @param EntityInterface $entity
179			*
180			* @return null\|EntityInterface
181			*/
182			public function load(EntityInterface $entity)
183			{
184			$adapter = Orm::getRepository(get_class($entity))
185			->getAdapter();
186
187			$relTable = $this->getParentTableName();
188			$relPmk = $this->getParentPrimaryKey();
189
190			$table = $this->getEntityDescriptor()->getTableName();
191			$pmk = $this->getEntityDescriptor()->getPrimaryKey();
192			$fnk = $this->getForeignKey();
193
194			$onClause = "{$relTable}.{$relPmk} = {$table}.{$fnk}";
195
196			$data = Sql::createSql($adapter)
197			->select($relTable)
198			->join($table, $onClause, null)
199			->where([
			0 ignored issues – show Documentation introduced 2016-03-11 18:24 UTC by Report Bug Copy Issue Report `array("{$table}.{$pmk->g...ty->{$pmk->getName()}))` is of type `array<string\|integer,array<string,?,{":id":"?"}>>`, but the function expects a `string`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
200			"{$table}.{$pmk->getField()} = :id" => [
201			':id' => $entity->{$pmk->getName()}
202			]
203			])
204			->first();
205			$relEntity = $this->getParentEntityMapper()->createFrom($data);
206
207			return null == $relEntity ? null :$this->registerEntity($relEntity);
			0 ignored issues – show Bug introduced 2016-03-11 18:24 UTC by Report Bug Copy Issue Report It seems like `$relEntity` defined by `$this->getParentEntityMapper()->createFrom($data)` on line `205` can also be of type `array<integer,object<Sli...EntityMapperInterface>>`; however, `Slick\Orm\Mapper\Relatio...ation::registerEntity()` does only seem to accept `object<Slick\Orm\EntityI...ntity\EntityCollection>`, maybe add an additional type check? If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check: /** * @return array\|string */ function returnsDifferentValues($x) { if ($x) { return 'foo'; } return array(); } $x = returnsDifferentValues($y); if (is_array($x)) { // $x is an array. } If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue. Loading history...
208			}
209			}

slickframework / orm

Push — master ( 9cefff...efc7f4 )

BelongsTo::load() B

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