LinkAttributePositionObserver - Code Metrics - Inspection of "Merge pull request #17 from wagnert/master" - techdivision/import-product-link - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ee291f...d6b81e )

by Tim

created 2017-07-05 11:55 UTC

LinkAttributePositionObserver A

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	191
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Test Coverage

Coverage

Importance

Changes

Metric	Value
wmc	14
lcom	1
cbo	3
dl	0
loc	191
ccs	0
cts	69
cp	0
rs	10
c	0
b	0
f	0

11 Methods

Rating	Name	Size	Complexity
A	__construct()	4	1
A	getProductLinkProcessor()	4	1
B	process()	32	4
A	prepareAttributes()	21	1
A	setProductLinkAttributeId()	4	1
A	getProductLinkAttributeId()	4	1
A	getProductLinkAttribute()	4	1
A	initializeProductLinkAttributeInt()	4	1
A	getLastLinkId()	4	1
A	mapLinkTypeCodeToLinkTypeId()	4	1
A	persistProductLinkAttributeInt()	4	1

<?php

/**
 * TechDivision\Import\Product\Link\Observers\LinkAttributePositionObserver
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 *
 * PHP version 5
 *
 * @author    Tim Wagner <[email protected]>
 * @copyright 2016 TechDivision GmbH <[email protected]>
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link      https://github.com/techdivision/import-product-link
 * @link      http://www.techdivision.com
 */

namespace TechDivision\Import\Product\Link\Observers;

use TechDivision\Import\Product\Link\Utils\ColumnKeys;
use TechDivision\Import\Product\Link\Utils\MemberNames;
use TechDivision\Import\Product\Observers\AbstractProductImportObserver;
use TechDivision\Import\Product\Link\Services\ProductLinkProcessorInterface;

/**
 * Oberserver that provides functionality for the product link attribute position replace operation.
 *
 * @author    Tim Wagner <[email protected]>
 * @copyright 2016 TechDivision GmbH <[email protected]>
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link      https://github.com/techdivision/import-product-link
 * @link      http://www.techdivision.com
 */
class LinkAttributePositionObserver extends AbstractProductImportObserver
{

    /**
     * The link attribute that has to be handled by this observer.
     *
     * @var string
     */
    const ATTRIBUTE_CODE = 'position';

    /**
     * The product link attribute ID to persist the the position attribute for.
     *
     * @var integer
     */
    protected $productLinktAttributeId;

    /**
     * The product link processor instance.
     *
     * @var \TechDivision\Import\Product\Link\Services\ProductLinkProcessorInterface
     */
    protected $productLinkProcessor;

    /**
     * Initialize the observer with the passed product link processor instance.
     *
     * @param \TechDivision\Import\Product\Link\Services\ProductLinkProcessorInterface $productLinkProcessor The product link processor instance
     */
    public function __construct(ProductLinkProcessorInterface $productLinkProcessor)
    {
        $this->productLinkProcessor= $productLinkProcessor;
    }

    /**
     * Return's the product link processor instance.
     *
     * @return \TechDivision\Import\Product\Bundle\Services\ProductBundleProcessorInterface The product link processor instance
     */
    protected function getProductLinkProcessor()
    {
        return $this->productLinkProcessor;
    }

    /**
     * Process the observer's business logic.
     *
     * @return array The processed row
     */
    protected function process()
    {

        // initialize the attribute code
        $attributeCode = LinkAttributePositionObserver::ATTRIBUTE_CODE;

        try {
            // extract the link type code from the row
            $linkTypeId = $this->mapLinkTypeCodeToLinkTypeId($this->getValue(ColumnKeys::LINK_TYPE_CODE));
        } catch (\Exception $e) {
            // query whether or not, debug mode is enabled
            if ($this->isDebugMode()) {
                // log a warning and return immediately
                $this->getSystemLogger()->warning($e->getMessage());
                return;
            }

            // if we're NOT in debug mode, re-throw the exception
            throw $e;
        }

        // try to load the product link attribute
        if ($productLinkAttribute = $this->getProductLinkAttribute($linkTypeId, $attributeCode)) {
            $this->setProductLinkAttributeId($productLinkAttribute[MemberNames::PRODUCT_LINK_ATTRIBUTE_ID]);
        } else {
            return;
        }

        // prepare, initialize and persist the product link attribute int entity
        $productLink = $this->initializeProductLinkAttributeInt($this->prepareAttributes());
        $this->persistProductLinkAttributeInt($productLink);
    }

    /**
     * Prepare the attributes of the entity that has to be persisted.
     *
     * @return array The prepared attributes
     */
    protected function prepareAttributes()
    {

        // load the ID of the last link
        $linkId = $this->getLastLinkId();

        // load the product link attribute ID
        $productLinkAttributeId = $this->getProductLinkAttributeId();

        // load the position value
        $value = $this->getValue(ColumnKeys::LINK_POSITION);

        // initialize and return the entity
        return $this->initializeEntity(
            array(
                MemberNames::PRODUCT_LINK_ATTRIBUTE_ID => $productLinkAttributeId,
                MemberNames::LINK_ID                   => $linkId,
                MemberNames::VALUE                     => $value
            )
        );
    }

    /**
     * Temporary persist the product link attribute ID.
     *
     * @param integer $productLinkAttributeId The product link attribute ID
     *
     * @return void
     */
    protected function setProductLinkAttributeId($productLinkAttributeId)
    {
        $this->productLinktAttributeId = $productLinkAttributeId;
    }

    /**
     * Return's the temporary persisted product link attribute ID.
     *
     * @return integer The product link attribute ID
     */
    protected function getProductLinkAttributeId()
    {
        return $this->productLinktAttributeId;
    }

    /**
     * Return's the link attribute for the passed link type ID and attribute code.
     *
     * @param integer $linkTypeId    The link type
     * @param string  $attributeCode The attribute code
     *
     * @return array The link attribute
     */
    protected function getProductLinkAttribute($linkTypeId, $attributeCode)
    {
        return $this->getSubject()->getProductLinkAttribute($linkTypeId, $attributeCode);
interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
    }

    /**
     * Initialize the product link attribute with the passed attributes and returns an instance.
     *
     * @param array $attr The product link attribute
     *
     * @return array The initialized product link attribute
     */
    protected function initializeProductLinkAttributeInt(array $attr)
    {
        return $attr;
    }

    /**
     * Load the temporary persisted the last link ID.
     *
     * @return integer The last link ID
     */
    protected function getLastLinkId()
    {
        return $this->getSubject()->getLastLinkId();
interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
    }

    /**
     * Return the link type ID for the passed link type code.
     *
     * @param string $linkTypeCode The link type code to return the link type ID for
     *
     * @return integer The mapped link type ID
     * @throws \Exception Is thrown if the link type code is not mapped yet
     */
    protected function mapLinkTypeCodeToLinkTypeId($linkTypeCode)
    {
        return $this->getSubject()->mapLinkTypeCodeToLinkTypeId($linkTypeCode);
interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
    }

    /**
     * Persist's the passed product link attribute int data and return's the ID.
     *
     * @param array $productLinkAttributeInt The product link attribute int data to persist
     *
     * @return string The ID of the persisted entity
     */
    protected function persistProductLinkAttributeInt($productLinkAttributeInt)
    {
        $this->getProductLinkProcessor()->persistProductLinkAttributeInt($productLinkAttributeInt);
    }
}


Push — master ( ee291f...d6b81e )

LinkAttributePositionObserver A

Complexity

Size/Duplication

Coupling/Cohesion

Test Coverage

Importance

11 Methods

Available Fixes

Available Fixes

Available Fixes

1			<?php
2
3			/**
4			* TechDivision\Import\Product\Link\Observers\LinkAttributePositionObserver
5			*
6			* NOTICE OF LICENSE
7			*
8			* This source file is subject to the Open Software License (OSL 3.0)
9			* that is available through the world-wide-web at this URL:
10			* http://opensource.org/licenses/osl-3.0.php
11			*
12			* PHP version 5
13			*
14			* @author Tim Wagner <[email protected]>
15			* @copyright 2016 TechDivision GmbH <[email protected]>
16			* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
17			* @link https://github.com/techdivision/import-product-link
18			* @link http://www.techdivision.com
19			*/
20
21			namespace TechDivision\Import\Product\Link\Observers;
22
23			use TechDivision\Import\Product\Link\Utils\ColumnKeys;
24			use TechDivision\Import\Product\Link\Utils\MemberNames;
25			use TechDivision\Import\Product\Observers\AbstractProductImportObserver;
26			use TechDivision\Import\Product\Link\Services\ProductLinkProcessorInterface;
27
28			/**
29			* Oberserver that provides functionality for the product link attribute position replace operation.
30			*
31			* @author Tim Wagner <[email protected]>
32			* @copyright 2016 TechDivision GmbH <[email protected]>
33			* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
34			* @link https://github.com/techdivision/import-product-link
35			* @link http://www.techdivision.com
36			*/
37			class LinkAttributePositionObserver extends AbstractProductImportObserver
38			{
39
40			/**
41			* The link attribute that has to be handled by this observer.
42			*
43			* @var string
44			*/
45			const ATTRIBUTE_CODE = 'position';
46
47			/**
48			* The product link attribute ID to persist the the position attribute for.
49			*
50			* @var integer
51			*/
52			protected $productLinktAttributeId;
53
54			/**
55			* The product link processor instance.
56			*
57			* @var \TechDivision\Import\Product\Link\Services\ProductLinkProcessorInterface
58			*/
59			protected $productLinkProcessor;
60
61			/**
62			* Initialize the observer with the passed product link processor instance.
63			*
64			* @param \TechDivision\Import\Product\Link\Services\ProductLinkProcessorInterface $productLinkProcessor The product link processor instance
65			*/
66			public function __construct(ProductLinkProcessorInterface $productLinkProcessor)
67			{
68			$this->productLinkProcessor= $productLinkProcessor;
69			}
70
71			/**
72			* Return's the product link processor instance.
73			*
74			* @return \TechDivision\Import\Product\Bundle\Services\ProductBundleProcessorInterface The product link processor instance
75			*/
76			protected function getProductLinkProcessor()
77			{
78			return $this->productLinkProcessor;
79			}
80
81			/**
82			* Process the observer's business logic.
83			*
84			* @return array The processed row
85			*/
86			protected function process()
87			{
88
89			// initialize the attribute code
90			$attributeCode = LinkAttributePositionObserver::ATTRIBUTE_CODE;
91
92			try {
93			// extract the link type code from the row
94			$linkTypeId = $this->mapLinkTypeCodeToLinkTypeId($this->getValue(ColumnKeys::LINK_TYPE_CODE));
95			} catch (\Exception $e) {
96			// query whether or not, debug mode is enabled
97			if ($this->isDebugMode()) {
98			// log a warning and return immediately
99			$this->getSystemLogger()->warning($e->getMessage());
100			return;
101			}
102
103			// if we're NOT in debug mode, re-throw the exception
104			throw $e;
105			}
106
107			// try to load the product link attribute
108			if ($productLinkAttribute = $this->getProductLinkAttribute($linkTypeId, $attributeCode)) {
109			$this->setProductLinkAttributeId($productLinkAttribute[MemberNames::PRODUCT_LINK_ATTRIBUTE_ID]);
110			} else {
111			return;
112			}
113
114			// prepare, initialize and persist the product link attribute int entity
115			$productLink = $this->initializeProductLinkAttributeInt($this->prepareAttributes());
116			$this->persistProductLinkAttributeInt($productLink);
117			}
118
119			/**
120			* Prepare the attributes of the entity that has to be persisted.
121			*
122			* @return array The prepared attributes
123			*/
124			protected function prepareAttributes()
125			{
126
127			// load the ID of the last link
128			$linkId = $this->getLastLinkId();
129
130			// load the product link attribute ID
131			$productLinkAttributeId = $this->getProductLinkAttributeId();
132
133			// load the position value
134			$value = $this->getValue(ColumnKeys::LINK_POSITION);
135
136			// initialize and return the entity
137			return $this->initializeEntity(
138			array(
139			MemberNames::PRODUCT_LINK_ATTRIBUTE_ID => $productLinkAttributeId,
140			MemberNames::LINK_ID => $linkId,
141			MemberNames::VALUE => $value
142			)
143			);
144			}
145
146			/**
147			* Temporary persist the product link attribute ID.
148			*
149			* @param integer $productLinkAttributeId The product link attribute ID
150			*
151			* @return void
152			*/
153			protected function setProductLinkAttributeId($productLinkAttributeId)
154			{
155			$this->productLinktAttributeId = $productLinkAttributeId;
156			}
157
158			/**
159			* Return's the temporary persisted product link attribute ID.
160			*
161			* @return integer The product link attribute ID
162			*/
163			protected function getProductLinkAttributeId()
164			{
165			return $this->productLinktAttributeId;
166			}
167
168			/**
169			* Return's the link attribute for the passed link type ID and attribute code.
170			*
171			* @param integer $linkTypeId The link type
172			* @param string $attributeCode The attribute code
173			*
174			* @return array The link attribute
175			*/
176			protected function getProductLinkAttribute($linkTypeId, $attributeCode)
177			{
178			return $this->getSubject()->getProductLinkAttribute($linkTypeId, $attributeCode);
			0 ignored issues – show Bug introduced 2017-05-31 15:38 UTC by Report Bug Copy Issue Report It seems like you code against a concrete implementation and not the interface `TechDivision\Import\Subjects\SubjectInterface` as the method `getProductLinkAttribute()` does only exist in the following implementations of said interface: `TechDivision\Import\Prod...nk\Subjects\LinkSubject`. Let’s take a look at an example: interface User { /** @return string / public function getPassword(); } class MyUser implements User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the interface: interface User { /** @return string / public function getPassword(); /* @return string */ public function getDisplayName(); } Loading history...
179			}
180
181			/**
182			* Initialize the product link attribute with the passed attributes and returns an instance.
183			*
184			* @param array $attr The product link attribute
185			*
186			* @return array The initialized product link attribute
187			*/
188			protected function initializeProductLinkAttributeInt(array $attr)
189			{
190			return $attr;
191			}
192
193			/**
194			* Load the temporary persisted the last link ID.
195			*
196			* @return integer The last link ID
197			*/
198			protected function getLastLinkId()
199			{
200			return $this->getSubject()->getLastLinkId();
			0 ignored issues – show Bug introduced 2017-05-31 15:38 UTC by Report Bug Copy Issue Report It seems like you code against a concrete implementation and not the interface `TechDivision\Import\Subjects\SubjectInterface` as the method `getLastLinkId()` does only exist in the following implementations of said interface: `TechDivision\Import\Prod...nk\Subjects\LinkSubject`. Let’s take a look at an example: interface User { /** @return string / public function getPassword(); } class MyUser implements User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the interface: interface User { /** @return string / public function getPassword(); /* @return string */ public function getDisplayName(); } Loading history...
201			}
202
203			/**
204			* Return the link type ID for the passed link type code.
205			*
206			* @param string $linkTypeCode The link type code to return the link type ID for
207			*
208			* @return integer The mapped link type ID
209			* @throws \Exception Is thrown if the link type code is not mapped yet
210			*/
211			protected function mapLinkTypeCodeToLinkTypeId($linkTypeCode)
212			{
213			return $this->getSubject()->mapLinkTypeCodeToLinkTypeId($linkTypeCode);
			0 ignored issues – show Bug introduced 2017-05-31 15:38 UTC by Report Bug Copy Issue Report It seems like you code against a concrete implementation and not the interface `TechDivision\Import\Subjects\SubjectInterface` as the method `mapLinkTypeCodeToLinkTypeId()` does only exist in the following implementations of said interface: `TechDivision\Import\Prod...nk\Subjects\LinkSubject`. Let’s take a look at an example: interface User { /** @return string / public function getPassword(); } class MyUser implements User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the interface: interface User { /** @return string / public function getPassword(); /* @return string */ public function getDisplayName(); } Loading history...
214			}
215
216			/**
217			* Persist's the passed product link attribute int data and return's the ID.
218			*
219			* @param array $productLinkAttributeInt The product link attribute int data to persist
220			*
221			* @return string The ID of the persisted entity
222			*/
223			protected function persistProductLinkAttributeInt($productLinkAttributeInt)
224			{
225			$this->getProductLinkProcessor()->persistProductLinkAttributeInt($productLinkAttributeInt);
226			}
227			}
228

techdivision / import-product-link

Push — master ( ee291f...d6b81e )

LinkAttributePositionObserver A

Complexity

Size/Duplication

Coupling/Cohesion

Test Coverage

Importance

11 Methods

Available Fixes

Available Fixes

Available Fixes

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