CRUDController - Code Metrics - allejo/bzion - Measure and Improve Code Quality continuously with Scrutinizer

CRUDController B
last analyzed 2018-04-10 03:56 UTC

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	393
Duplicated Lines	7.12 %

Coupling/Cohesion

Components	1
Dependencies	12

Test Coverage

Coverage

74.13%

Importance

Changes

Metric	Value
wmc	37
lcom	1
cbo	12
dl	28
loc	393
ccs	86
cts	116
cp	0.7413
rs	8.6
c	0
b	0
f	0

15 Methods

Rating	Name	Duplication	Size	Complexity
A	validateNew()	0	3	1
A	validate()	0	3	1
A	validateEdit()	0	3	1
B	delete()	16	46	6
B	restore()	12	25	5
B	create()	0	30	6
B	edit()	0	23	4
A	canDelete()	0	4	1
A	canCreate()	0	6	1
A	canEdit()	0	4	1
A	redirectTo()	0	8	2
A	redirectToList()	0	7	1
A	getFormCreator()	0	10	2
B	getMessage()	0	26	4
A	getMessages()	0	73	1

How to fix Duplicated Code

<?php

use BZIon\Form\Creator\ModelFormCreator;
use Symfony\Component\Form\Form;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Response;

/**
 * A controller with actions for creating, reading, updating and deleting models
 * @package BZiON\Controllers
 */
abstract class CRUDController extends JSONController
{
    /**
     * Make sure that the data of a form is valid, only called when creating a
     * new object
     * @param  Form $form The submitted form
     * @return void
     */
    protected function validateNew($form)
    {
    }

    /**
     * Make sure that the data of a form is valid, only called when editing an
     * existing object
     * @param  Form $form The submitted form
     * @param  PermissionModel $model The model being edited
     * @return void
     */
    protected function validateEdit($form, $model)
    {
    }

    /**
     * Make sure that the data of a form is valid
     * @param  Form $form The submitted form
     * @return void
     */
    protected function validate($form)
    {
    }

    /**
     * Delete a model
     * @param  PermissionModel    $model     The model we want to delete
     * @param  Player             $me        The user who wants to delete the model
     * @param  Closure|null       $onSuccess Something to do when the model is deleted
     * @throws ForbiddenException
     * @return mixed              The response to show to the user
     */
    protected function delete(PermissionModel $model, Player $me, $onSuccess = null)
    {
        if ($model->isDeleted()) {
            // We will have to hard delete the model
            $hard = true;
            $message = 'hardDelete';
            $action = 'Erase forever';
        } else {
            $hard = false;
            $message = 'softDelete';
            $action = 'Delete';
        }

        if (!$this->canDelete($me, $model, $hard)) {
            throw new ForbiddenException($this->getMessage($model, $message, 'forbidden'));
        }

        $successMessage = $this->getMessage($model, $message, 'success');
        $redirection    = $this->redirectToList($model);

        return $this->showConfirmationForm(
            function () use ($model, $hard, $redirection, $onSuccess) {

                if ($hard) {
                    $model->wipe();
                } else {
                    $model->delete();
                }

                if ($onSuccess) {
                    $response = $onSuccess();
                    if ($response instanceof Response) {
                        return $response;
                    }
                }

                return $redirection;
            },
            $this->getMessage($model, $message, 'confirm'),
            $successMessage,
            $action,
            null,
            'confirmation.html.twig',
            false,
            true
        );
    }

    protected function restore(PermissionModel $model, Player $me, $onSuccess)
    {
        if (!$this->canDelete($me, $model)) {
            throw new ForbiddenException($this->getMessage($model, 'restore', 'forbidden'));
        }

        if (!$model->isDeleted()) {
            throw new LogicException('You cannot restore an object that is not marked as deleted.');
        }

        $successMessage = $this->getMessage($model, 'restore', 'success');

        return $this->showConfirmationForm(function () use ($model, $successMessage, $onSuccess) {

            $model->restore();

            if ($onSuccess) {
                $response = $onSuccess();
                if ($response instanceof Response) {
                    return $response;
                }
            }

            return $this->redirectTo($model);
        }, $this->getMessage($model, 'restore', 'confirm'), $successMessage, 'Restore');
    }

    /**
     * Create a model
     *
     * This method requires that you have implemented enter() and a form creator
     * for the model
     *
     * @param  Player             $me The user who wants to create the model
     * @param  Closure|null       $onSuccess The function to call on success
     * @throws ForbiddenException
     * @return mixed              The response to show to the user
     */
    protected function create(Player $me, $onSuccess = null)
    {
        if (!$this->canCreate($me)) {
            throw new ForbiddenException($this->getMessage($this->getName(), 'create', 'forbidden'));
        }

        $creator = $this->getFormCreator();
        $form = $creator->create()->handleRequest($this->getRequest());

        if ($form->isSubmitted()) {
            $this->validate($form);
            $this->validateNew($form);
            if ($form->isValid()) {
                $model = $creator->enter($form);
                $this->getFlashBag()->add("success",
                     $this->getMessage($model, 'create', 'success'));

                if ($onSuccess) {
                    $response = $onSuccess($model);
                    if ($response instanceof Response) {
                        return $response;
                    }
                }

                return $this->redirectTo($model);
            }
        }

        return array("form" => $form->createView());
    }

    /**
     * Edit a model
     *
     * This method requires that you have implemented update() and a form creator
     * for the model
     *
     * @param  PermissionModel    $model The model we want to edit
     * @param  Player             $me    The user who wants to edit the model
     * @param  string             $type  The name of the variable to pass to the view
     * @throws ForbiddenException
     * @return mixed              The response to show to the user
     */
    protected function edit(PermissionModel $model, Player $me, $type)
    {
        if (!$this->canEdit($me, $model)) {
            throw new ForbiddenException($this->getMessage($model, 'edit', 'forbidden'));
        }

        $creator = $this->getFormCreator($model);
        $form = $creator->create()->handleRequest($this->getRequest());

        if ($form->isSubmitted()) {
            $this->validate($form);
            $this->validateEdit($form, $model);
            if ($form->isValid()) {
                $creator->update($form, $model);
                $this->getFlashBag()->add("success",
                    $this->getMessage($model, 'edit', 'success'));

                return $this->redirectTo($model);
            }
        }

        return array("form" => $form->createView(), $type => $model);
    }

    /**
     * Find whether a player can delete a model
     *
     * @param  Player          $player The player who wants to delete the model
     * @param  PermissionModel $model  The model that will be deleted
     * @param  bool         $hard   Whether to hard-delete the model instead of soft-deleting it
     * @return bool
     */
    protected function canDelete($player, $model, $hard = false)
    {
        return $player->canDelete($model, $hard);
    }

    /**
     * Find whether a player can create a model
     *
     * @param  Player  $player The player who wants to create a model
     * @return bool
     */
    protected function canCreate($player)
    {
        $modelName = $this->getName();

        return $player->canCreate($modelName);
    }

    /**
     * Find whether a player can edit a model
     *
     * @param  Player          $player The player who wants to delete the model
     * @param  PermissionModel $model  The model which will be edited
     * @return bool
     */
    protected function canEdit($player, $model)
    {
        return $player->canEdit($model);
    }

    /**
     * Get a redirection response to a model
     *
     * Goes to a list of models of the same type if the provided model does not
     * have a URL
     *
     * @param  ModelInterface $model The model to redirect to
     * @return Response
     */
    protected function redirectTo($model)
    {
        if ($model instanceof UrlModel) {
            return new RedirectResponse($model->getUrl());
        } else {
            return $this->redirectToList($model);
        }
    }

    /**
     * Get a redirection response to a list of models
     *
     * @param  ModelInterface $model The model to whose list we should redirect
     * @return Response
     */
    protected function redirectToList($model)
    {
        $route = $model->getRouteName('list');
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.
    }
}
        $url = Service::getGenerator()->generate($route);

        return new RedirectResponse($url);
    }

    /**
     * Dynamically get the form to show to the user
     *
     * @param  \Model|null      $model The model being edited, `null` if we're creating one
     * @return ModelFormCreator
     */
    private function getFormCreator($model = null)
    {
        $type = ($model instanceof Model) ? $model->getType() : $this->getName();
        $type = ucfirst($type);

        $creatorClass = "\\BZIon\\Form\\Creator\\{$type}FormCreator";
        $creator = new $creatorClass($model, $this->getMe(), $this);

        return $creator;
    }

    /**
     * Get a message to show to the user
     * @todo   Use the $escape parameter
     * @param  \ModelInterface|string $model  The model (or type) to show a message for
     * @param  string                 $action The action that will be performed (softDelete, hardDelete, create or edit)
     * @param  string                 $status The message's status (confirm, error or success)
     * @return string
     */
    private function getMessage($model, $action, $status, $escape = true)

    {
        if ($model instanceof Model) {
            $type = strtolower($model->getTypeForHumans());

            if ($model instanceof NamedModel) {
                // Twig will not escape the message on confirmation forms
                $name = $model->getName();
                if ($status == 'confirm') {
                    $name = Model::escape($name);
                }

                $messages = $this->getMessages($type, $name);

                return $messages[$action][$status]['named'];
            } else {
                $messages = $this->getMessages($type);

                return $messages[$action][$status]['unnamed'];
            }
        } else {
            $messages = $this->getMessages(strtolower($model));

            return $messages[$action][$status];
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
        }
    }

    /**
     * Get a list of messages to show to the user
     * @param  string $type The type of the model that the message refers to
     * @param  string $name The name of the model
     * @return array
     */
    protected function getMessages($type, $name = '')
    {
        return array(
            'hardDelete' => array(
                'confirm' => array(
                    'named' => <<<"WARNING"
Are you sure you want to wipe <strong>$name</strong>?<br />
<strong><em>DANGER</em></strong>: This action will <strong>permanently</strong>
erase the $type from the database, including any objects directly related to it!
WARNING
                ,
                    'unnamed' => <<<"WARNING"
Are you sure you want to wipe this $type?<br />
<strong><em>DANGER</em></strong>: This action will <strong>permanently</strong>
erase the $type from the database, including any objects directly related to it!
WARNING
                ),
                'forbidden' => array(
                    'named'   => "You are not allowed to delete the $type $name",
                    'unnamed' => "You are not allowed to delete this $type",
                ),
                'success' => array(
                    'named'   => "The $type $name was permanently erased from the database",
                    'unnamed' => "The $type has been permanently erased from the database",
                ),
            ),
            'softDelete' => array(
                'confirm' => array(
                    'named'   => "Are you sure you want to delete <strong>$name</strong>?",
                    'unnamed' => "Are you sure you want to delete this $type?",
                ),
                'forbidden' => array(
                    'named'   => "You are not allowed to delete the $type $name",
                    'unnamed' => "You are not allowed to delete this $type",
                ),
                'success' => array(
                    'named'   => "The $type $name was deleted successfully",
                    'unnamed' => "The $type was deleted successfully",
                ),
            ),
            'restore' => array(
                'confirm' => array(
                    'named'   => "Are you sure you want to restore <strong>$name</strong>?",
                    'unnamed' => "Are you sure you want to restore this $type?",
                ),
                'forbidden' => array(
                    'named'   => "You are not allowed to restore the $type $name",
                    'unnamed' => "You are not allowed to restore this $type",
                ),
                'success' => array(
                    'named'   => "The $type $name has been restored successfully",
                    'unnamed' => "The $type has been restored successfully",
                ),
            ),
            'edit' => array(
                'forbidden' => array(
                    'named'   => "You are not allowed to edit the $type $name",
                    'unnamed' => "You are not allowed to edit this $type",
                ),
                'success' => array(
                    'named'   => "The $type $name has been successfully updated",
                    'unnamed' => "The $type was updated successfully",
                ),
            ),
            'create' => array(
                'forbidden' => "You are not allowed to create a new $type",
                'success'   => array(
                    'named'   => "The $type $name was created successfully",
                    'unnamed' => "The $type was created successfully",
                ),
            ),
        );
    }
}


1			<?php
2
3			use BZIon\Form\Creator\ModelFormCreator;
4			use Symfony\Component\Form\Form;
5			use Symfony\Component\HttpFoundation\RedirectResponse;
6			use Symfony\Component\HttpFoundation\Response;
7
8			/**
9			* A controller with actions for creating, reading, updating and deleting models
10			* @package BZiON\Controllers
11			*/
12			abstract class CRUDController extends JSONController
13			{
14			/**
15			* Make sure that the data of a form is valid, only called when creating a
16			* new object
17			* @param Form $form The submitted form
18			* @return void
19			*/
20	1		protected function validateNew($form)
21			{
22	1		}
23
24			/**
25			* Make sure that the data of a form is valid, only called when editing an
26			* existing object
27			* @param Form $form The submitted form
28			* @param PermissionModel $model The model being edited
29			* @return void
30			*/
31			protected function validateEdit($form, $model)
32			{
33			}
34
35			/**
36			* Make sure that the data of a form is valid
37			* @param Form $form The submitted form
38			* @return void
39			*/
40			protected function validate($form)
41			{
42			}
43
44			/**
45			* Delete a model
46			* @param PermissionModel $model The model we want to delete
47			* @param Player $me The user who wants to delete the model
48			* @param Closure\|null $onSuccess Something to do when the model is deleted
49			* @throws ForbiddenException
50			* @return mixed The response to show to the user
51			*/
52	1		protected function delete(PermissionModel $model, Player $me, $onSuccess = null)
53			{
54	1		if ($model->isDeleted()) {
55			// We will have to hard delete the model
56			$hard = true;
57			$message = 'hardDelete';
58			$action = 'Erase forever';
59			} else {
60	1		$hard = false;
61	1		$message = 'softDelete';
62	1		$action = 'Delete';
63			}
64
65	1		if (!$this->canDelete($me, $model, $hard)) {
66			throw new ForbiddenException($this->getMessage($model, $message, 'forbidden'));
67			}
68
69	1		$successMessage = $this->getMessage($model, $message, 'success');
70	1		$redirection = $this->redirectToList($model);
71
72	1		return $this->showConfirmationForm(
73	1	View Code Duplication	function () use ($model, $hard, $redirection, $onSuccess) {
			0 ignored issues – show Duplication introduced 2018-01-12 10:43 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
74			if ($hard) {
75			$model->wipe();
76	1		} else {
77			$model->delete();
78			}
79	1
80	1		if ($onSuccess) {
81	1		$response = $onSuccess();
82			if ($response instanceof Response) {
83			return $response;
84			}
85			}
86	1
87	1		return $redirection;
88			},
89			$this->getMessage($model, $message, 'confirm'),
90			$successMessage,
91			$action,
92			null,
93			'confirmation.html.twig',
94			false,
95			true
96			);
97			}
98
99			protected function restore(PermissionModel $model, Player $me, $onSuccess)
100			{
101	1		if (!$this->canDelete($me, $model)) {
102			throw new ForbiddenException($this->getMessage($model, 'restore', 'forbidden'));
103	1		}
104	1
105			if (!$model->isDeleted()) {
106			throw new LogicException('You cannot restore an object that is not marked as deleted.');
107	1		}
108	1
109			$successMessage = $this->getMessage($model, 'restore', 'success');
110	1
111	1	View Code Duplication	return $this->showConfirmationForm(function () use ($model, $successMessage, $onSuccess) {
			0 ignored issues – show Duplication introduced 2017-11-04 08:07 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
112	1		$model->restore();
113	1
114	1		if ($onSuccess) {
115	1		$response = $onSuccess();
116	1		if ($response instanceof Response) {
117			return $response;
118	1		}
119	1		}
120	1
121			return $this->redirectTo($model);
122			}, $this->getMessage($model, 'restore', 'confirm'), $successMessage, 'Restore');
123			}
124
125	1		/**
126			* Create a model
127			*
128			* This method requires that you have implemented enter() and a form creator
129	1		* for the model
130			*
131			* @param Player $me The user who wants to create the model
132			* @param Closure\|null $onSuccess The function to call on success
133			* @throws ForbiddenException
134			* @return mixed The response to show to the user
135			*/
136			protected function create(Player $me, $onSuccess = null)
137			{
138			if (!$this->canCreate($me)) {
139			throw new ForbiddenException($this->getMessage($this->getName(), 'create', 'forbidden'));
140			}
141
142			$creator = $this->getFormCreator();
143			$form = $creator->create()->handleRequest($this->getRequest());
144
145			if ($form->isSubmitted()) {
146			$this->validate($form);
147			$this->validateNew($form);
148			if ($form->isValid()) {
149			$model = $creator->enter($form);
150			$this->getFlashBag()->add("success",
151			$this->getMessage($model, 'create', 'success'));
152
153			if ($onSuccess) {
154			$response = $onSuccess($model);
155			if ($response instanceof Response) {
156			return $response;
157			}
158			}
159
160			return $this->redirectTo($model);
161			}
162			}
163
164			return array("form" => $form->createView());
165			}
166
167			/**
168			* Edit a model
169			*
170			* This method requires that you have implemented update() and a form creator
171			* for the model
172			*
173			* @param PermissionModel $model The model we want to edit
174			* @param Player $me The user who wants to edit the model
175			* @param string $type The name of the variable to pass to the view
176	1		* @throws ForbiddenException
177			* @return mixed The response to show to the user
178	1		*/
179			protected function edit(PermissionModel $model, Player $me, $type)
180			{
181			if (!$this->canEdit($me, $model)) {
182			throw new ForbiddenException($this->getMessage($model, 'edit', 'forbidden'));
183			}
184
185			$creator = $this->getFormCreator($model);
186			$form = $creator->create()->handleRequest($this->getRequest());
187	1
188			if ($form->isSubmitted()) {
189	1		$this->validate($form);
190			$this->validateEdit($form, $model);
191	1		if ($form->isValid()) {
192			$creator->update($form, $model);
193			$this->getFlashBag()->add("success",
194			$this->getMessage($model, 'edit', 'success'));
195
196			return $this->redirectTo($model);
197			}
198			}
199
200			return array("form" => $form->createView(), $type => $model);
201			}
202
203			/**
204			* Find whether a player can delete a model
205			*
206			* @param Player $player The player who wants to delete the model
207			* @param PermissionModel $model The model that will be deleted
208			* @param bool $hard Whether to hard-delete the model instead of soft-deleting it
209			* @return bool
210			*/
211			protected function canDelete($player, $model, $hard = false)
212			{
213			return $player->canDelete($model, $hard);
214			}
215	1
216			/**
217	1		* Find whether a player can create a model
218	1		*
219			* @param Player $player The player who wants to create a model
220			* @return bool
221			*/
222			protected function canCreate($player)
223			{
224			$modelName = $this->getName();
225
226			return $player->canCreate($modelName);
227			}
228
229			/**
230	1		* Find whether a player can edit a model
231			*
232	1		* @param Player $player The player who wants to delete the model
233	1		* @param PermissionModel $model The model which will be edited
234			* @return bool
235	1		*/
236			protected function canEdit($player, $model)
237			{
238			return $player->canEdit($model);
239			}
240
241			/**
242			* Get a redirection response to a model
243			*
244	1		* Goes to a list of models of the same type if the provided model does not
245			* have a URL
246	1		*
247	1		* @param ModelInterface $model The model to redirect to
248			* @return Response
249	1		*/
250	1		protected function redirectTo($model)
251			{
252	1		if ($model instanceof UrlModel) {
253			return new RedirectResponse($model->getUrl());
254			} else {
255			return $this->redirectToList($model);
256			}
257			}
258
259			/**
260			* Get a redirection response to a list of models
261			*
262			* @param ModelInterface $model The model to whose list we should redirect
263	1		* @return Response
264			*/
265	1		protected function redirectToList($model)
266	1		{
267			$route = $model->getRouteName('list');
			0 ignored issues – show Bug introduced 2016-03-14 01:13 UTC by Report Bug Copy Issue Report It seems like you code against a concrete implementation and not the interface `ModelInterface` as the method `getRouteName()` does only exist in the following implementations of said interface: `AliasModel`, `AvatarModel`, `Ban`, `Conversation`, `Invitation`, `Map`, `Match`, `News`, `NewsCategory`, `Page`, `Player`, `Role`, `Server`, `Team`, `UrlModel`. 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...
268	1		$url = Service::getGenerator()->generate($route);
269
270	1		return new RedirectResponse($url);
271	1		}
272	1
273			/**
274			* Dynamically get the form to show to the user
275	1		*
276			* @param \Model\|null $model The model being edited, `null` if we're creating one
277	1		* @return ModelFormCreator
278			*/
279			private function getFormCreator($model = null)
280			{
281			$type = ($model instanceof Model) ? $model->getType() : $this->getName();
282			$type = ucfirst($type);
283
284	1		$creatorClass = "\\BZIon\\Form\\Creator\\{$type}FormCreator";
285			$creator = new $creatorClass($model, $this->getMe(), $this);
286	1
287			return $creator;
288			}
289
290			/**
291			* Get a message to show to the user
292			* @todo Use the $escape parameter
293			* @param \ModelInterface\|string $model The model (or type) to show a message for
294			* @param string $action The action that will be performed (softDelete, hardDelete, create or edit)
295			* @param string $status The message's status (confirm, error or success)
296	1		* @return string
297			*/
298			private function getMessage($model, $action, $status, $escape = true)
			0 ignored issues – show Unused Code introduced 2017-08-01 20:41 UTC by Report Bug Copy Issue Report The parameter `$escape` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
299			{
300			if ($model instanceof Model) {
301			$type = strtolower($model->getTypeForHumans());
302	1
303			if ($model instanceof NamedModel) {
304	1		// Twig will not escape the message on confirmation forms
305			$name = $model->getName();
306			if ($status == 'confirm') {
307			$name = Model::escape($name);
308	1		}
309
310	1		$messages = $this->getMessages($type, $name);
311
312			return $messages[$action][$status]['named'];
313			} else {
314	1		$messages = $this->getMessages($type);
315	1
316			return $messages[$action][$status]['unnamed'];
317			}
318	1		} else {
319	1		$messages = $this->getMessages(strtolower($model));
320
321			return $messages[$action][$status];
			0 ignored issues – show Bug Best Practice introduced 2015-12-02 06:58 UTC by Report Bug Copy Issue Report The return type of `return $messages[$action][$status];` (`array`) is incompatible with the return type documented by `CRUDController::getMessage` of type `string`. If you return a value from a function or method, it should be a sub-type of the type that is given by the parent type f.e. an interface, or abstract method. This is more formally defined by the Lizkov substitution principle, and guarantees that classes that depend on the parent type can use any instance of a child type interchangably. This principle also belongs to the SOLID principles for object oriented design. Let’s take a look at an example: class Author { private $name; public function __construct($name) { $this->name = $name; } public function getName() { return $this->name; } } abstract class Post { public function getAuthor() { return 'Johannes'; } } class BlogPost extends Post { public function getAuthor() { return new Author('Johannes'); } } class ForumPost extends Post { /* ... */ } function my_function(Post $post) { echo strtoupper($post->getAuthor()); } Our function `my_function` expects a `Post` object, and outputs the author of the post. The base class `Post` returns a simple string and outputting a simple string will work just fine. However, the child class `BlogPost` which is a sub-type of `Post` instead decided to return an `object`, and is therefore violating the SOLID principles. If a `BlogPost` were passed to `my_function`, PHP would not complain, but ultimately fail when executing the `strtoupper` call in its body. Loading history...
322			}
323			}
324	1
325	1		/**
326			* Get a list of messages to show to the user
327			* @param string $type The type of the model that the message refers to
328	1		* @param string $name The name of the model
329	1		* @return array
330			*/
331			protected function getMessages($type, $name = '')
332	1		{
333	1		return array(
334			'hardDelete' => array(
335			'confirm' => array(
336			'named' => <<<"WARNING"
337			Are you sure you want to wipe <strong>$name</strong>?<br />
338	1		<strong><em>DANGER</em></strong>: This action will <strong>permanently</strong>
339	1		erase the $type from the database, including any objects directly related to it!
340			WARNING
341			,
342	1		'unnamed' => <<<"WARNING"
343	1		Are you sure you want to wipe this $type?<br />
344			<strong><em>DANGER</em></strong>: This action will <strong>permanently</strong>
345			erase the $type from the database, including any objects directly related to it!
346			WARNING
347	1		),
348			'forbidden' => array(
349	1		'named' => "You are not allowed to delete the $type $name",
350	1		'unnamed' => "You are not allowed to delete this $type",
351			),
352			'success' => array(
353			'named' => "The $type $name was permanently erased from the database",
354			'unnamed' => "The $type has been permanently erased from the database",
355			),
356			),
357			'softDelete' => array(
358			'confirm' => array(
359			'named' => "Are you sure you want to delete <strong>$name</strong>?",
360			'unnamed' => "Are you sure you want to delete this $type?",
361			),
362			'forbidden' => array(
363			'named' => "You are not allowed to delete the $type $name",
364			'unnamed' => "You are not allowed to delete this $type",
365			),
366			'success' => array(
367			'named' => "The $type $name was deleted successfully",
368			'unnamed' => "The $type was deleted successfully",
369			),
370			),
371			'restore' => array(
372			'confirm' => array(
373			'named' => "Are you sure you want to restore <strong>$name</strong>?",
374			'unnamed' => "Are you sure you want to restore this $type?",
375			),
376			'forbidden' => array(
377			'named' => "You are not allowed to restore the $type $name",
378			'unnamed' => "You are not allowed to restore this $type",
379			),
380			'success' => array(
381			'named' => "The $type $name has been restored successfully",
382			'unnamed' => "The $type has been restored successfully",
383			),
384			),
385			'edit' => array(
386			'forbidden' => array(
387			'named' => "You are not allowed to edit the $type $name",
388			'unnamed' => "You are not allowed to edit this $type",
389			),
390			'success' => array(
391			'named' => "The $type $name has been successfully updated",
392			'unnamed' => "The $type was updated successfully",
393			),
394			),
395			'create' => array(
396			'forbidden' => "You are not allowed to create a new $type",
397			'success' => array(
398			'named' => "The $type $name was created successfully",
399			'unnamed' => "The $type was created successfully",
400			),
401			),
402			);
403			}
404			}
405

allejo / bzion

CRUDController B last analyzed 2018-04-10 03:56 UTC

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CRUDController B
last analyzed 2018-04-10 03:56 UTC