StructuralDBElement::clearChildren() - Code Metrics - Inspection of "Added an simple import system for attachment types..." - Part-DB/Part-DB-symfony - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( a46bcd...68aa75 )

by Jan

created 2019-04-11 20:41 UTC

StructuralDBElement::clearChildren() A

↳ Parent: StructuralDBElement

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	0
dl	0
loc	5
rs	10
c	0
b	0
f	0

<?php

declare(strict_types=1);
/**
 * Part-DB Version 0.4+ "nextgen"
 * Copyright (C) 2016 - 2019 Jan Böhmer
 * https://github.com/jbtronics.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

namespace App\Entity;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\ORM\PersistentCollection;
use App\Validator\Constraints\NoneOfItsChildren;
use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
use Symfony\Component\Serializer\Annotation\DiscriminatorMap;
use Symfony\Component\Serializer\Annotation\Groups;

/**
 * All elements with the fields "id", "name" and "parent_id" (at least).
 *
 * This class is for managing all database objects with a structural design.
 * All these sub-objects must have the table columns 'id', 'name' and 'parent_id' (at least)!
 * The root node has always the ID '0'.
 * It's allowed to have instances of root elements, but if you try to change
 * an attribute of a root element, you will get an exception!
 *
 * @ORM\MappedSuperclass(repositoryClass="App\Repository\StructuralDBElementRepository")
 *
 * @UniqueEntity(fields={"name", "parent"}, ignoreNull=false, message="structural.entity.unique_name")
 */
abstract class StructuralDBElement extends AttachmentContainingDBElement
{
    public const ID_ROOT_ELEMENT = 0;

    //This is a not standard character, so build a const, so a dev can easily use it
    public const PATH_DELIMITER_ARROW = ' → ';

    // We can not define the mapping here or we will get an exception. Unfortunatly we have to do the mapping in the
    // subclasses
    /**
     * @var StructuralDBElement[]
     * @Groups({"include_children"})
     */
    protected $children;
    /**
     * @var StructuralDBElement
     * @NoneOfItsChildren()
     * @Groups({"include_parents"})
     */
    protected $parent;

    /**
     * @var string The comment info for this element
     * @ORM\Column(type="string", nullable=true)
     * @Groups({"simple", "extended", "full"})
     */
    protected $comment;

    /**
     * @var int
     * @ORM\Column(type="integer", nullable=true)
     */
    protected $parent_id;

    /**
     * @var int
     */
    protected $level = 0;

    /** @var string[] all names of all parent elements as a array of strings,
     *  the last array element is the name of the element itself
     *
     */
    private $full_path_strings;



    public function __construct()
    {
        $this->children = new ArrayCollection();

    }

    /******************************************************************************
     * StructuralDBElement constructor.
     *****************************************************************************/

    /**
     * Check if this element is a child of another element (recursive).
     *
     * @param StructuralDBElement $another_element the object to compare
     *     IMPORTANT: both objects to compare must be from the same class (for example two "Device" objects)!
     *
     * @return bool True, if this element is child of $another_element.
     *
     * @throws \InvalidArgumentException if there was an error
     */
    public function isChildOf(StructuralDBElement $another_element)
    {
        $class_name = \get_class($this);

        //Check if both elements compared, are from the same type:
        if ($class_name != \get_class($another_element)) {
            throw new \InvalidArgumentException('isChildOf() only works for objects of the same type!');
        }

        if (null == $this->getParent()) { // this is the root node
            return false;
        }

        //If this' parents element, is $another_element, then we are finished
        return ($this->parent->getID() == $another_element->getID())
            || $this->parent->isChildOf($another_element); //Otherwise, check recursivley
    }

    /******************************************************************************
     *
     * Getters
     *
     ******************************************************************************/

    /**
     * Get the parent-ID
     *
     * @return integer          * the ID of the parent element
     *                          * NULL means, the parent is the root node
     *                          * the parent ID of the root node is -1
     */
    protected function getParentID(): int
    {
        return $this->parent_id ?? self::ID_ROOT_ELEMENT; //Null means root element
    }

    /**
     * Get the parent of this element.
     *
     * @return StructuralDBElement|null The parent element. Null if this element, does not have a parent.
     */
    public function getParent(): ?self
    {
        return $this->parent;
    }

    /**
     *  Get the comment of the element.

     * @return string the comment
     */
    public function getComment(): ?string
    {
        return $this->comment;
    }

    /**
     * Get the level.
     *
     * The level of the root node is -1.
     *
     * @return int the level of this element (zero means a most top element
     *             [a subelement of the root node])
     *
     */
    public function getLevel(): int
    {
        /**
         * Only check for nodes that have a parent. In the other cases zero is correct.
         */
        if (0 === $this->level && $this->parent !== null) {
            $element = $this->parent;
            while ($element !== null) {
                /** @var StructuralDBElement $element */
                $element = $element->parent;
                ++$this->level;
            }
        }
        return $this->level;
    }

    /**
     * Get the full path.
     *
     * @param string $delimeter the delimeter of the returned string
     *
     * @return string the full path (incl. the name of this element), delimeted by $delimeter
     *
     */
    public function getFullPath(string $delimeter = self::PATH_DELIMITER_ARROW): string
    {
        if (!\is_array($this->full_path_strings)) {

            $this->full_path_strings = array();
            $this->full_path_strings[] = $this->getName();
            $element = $this;

            $overflow = 20; //We only allow 20 levels depth

            while (null != $element->parent && $overflow >= 0) {
                $element = $element->parent;
                $this->full_path_strings[] = $element->getName();
                //Decrement to prevent mem overflow.
                $overflow--;
            }

            $this->full_path_strings = array_reverse($this->full_path_strings);
        }

        return implode($delimeter, $this->full_path_strings);
    }

    /**
     * Get all subelements of this element.
     *
     * @param bool $recursive if true, the search is recursive
     *
     * @return static[] all subelements as an array of objects (sorted by their full path)
     */
    public function getSubelements(): iterable
    {
        return $this->children;
    }

    public function getChildren(): iterable
    {
        return $this->children;
    }

    /******************************************************************************
     *
     * Setters
     *
     ******************************************************************************/

    /**
     * Sets the new parent object
     * @param self $new_parent The new parent object
     * @return StructuralDBElement
     */
    public function setParent(?self $new_parent) : self
    {
        /*
        if ($new_parent->isChildOf($this)) {
            throw new \InvalidArgumentException('You can not use one of the element childs as parent!');
        } */

        $this->parent = $new_parent;

        return $this;
    }

    /**
     *  Set the comment.
     * @param string $new_comment the new comment
     * @return StructuralDBElement
     */
    public function setComment(?string $new_comment): self
    {
        $this->comment = $new_comment;

        return $this;
    }

    public function setChildren(array $element) : self
    {
        $this->children = $element;

        return $this;
    }

    public function clearChildren() : self
    {
        $this->children = new ArrayCollection();


        return $this;
    }
}


1			<?php
2
3			declare(strict_types=1);
4			/**
5			* Part-DB Version 0.4+ "nextgen"
6			* Copyright (C) 2016 - 2019 Jan Böhmer
7			* https://github.com/jbtronics.
8			*
9			* This program is free software; you can redistribute it and/or
10			* modify it under the terms of the GNU General Public License
11			* as published by the Free Software Foundation; either version 2
12			* of the License, or (at your option) any later version.
13			*
14			* This program is distributed in the hope that it will be useful,
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17			* GNU General Public License for more details.
18			*
19			* You should have received a copy of the GNU General Public License
20			* along with this program; if not, write to the Free Software
21			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
22			*/
23
24			namespace App\Entity;
25
26			use Doctrine\Common\Collections\ArrayCollection;
27			use Doctrine\ORM\Mapping as ORM;
28			use Doctrine\ORM\PersistentCollection;
29			use App\Validator\Constraints\NoneOfItsChildren;
30			use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
31			use Symfony\Component\Serializer\Annotation\DiscriminatorMap;
32			use Symfony\Component\Serializer\Annotation\Groups;
33
34			/**
35			* All elements with the fields "id", "name" and "parent_id" (at least).
36			*
37			* This class is for managing all database objects with a structural design.
38			* All these sub-objects must have the table columns 'id', 'name' and 'parent_id' (at least)!
39			* The root node has always the ID '0'.
40			* It's allowed to have instances of root elements, but if you try to change
41			* an attribute of a root element, you will get an exception!
42			*
43			* @ORM\MappedSuperclass(repositoryClass="App\Repository\StructuralDBElementRepository")
44			*
45			* @UniqueEntity(fields={"name", "parent"}, ignoreNull=false, message="structural.entity.unique_name")
46			*/
47			abstract class StructuralDBElement extends AttachmentContainingDBElement
48			{
49			public const ID_ROOT_ELEMENT = 0;
50
51			//This is a not standard character, so build a const, so a dev can easily use it
52			public const PATH_DELIMITER_ARROW = ' → ';
53
54			// We can not define the mapping here or we will get an exception. Unfortunatly we have to do the mapping in the
55			// subclasses
56			/**
57			* @var StructuralDBElement[]
58			* @Groups({"include_children"})
59			*/
60			protected $children;
61			/**
62			* @var StructuralDBElement
63			* @NoneOfItsChildren()
64			* @Groups({"include_parents"})
65			*/
66			protected $parent;
67
68			/**
69			* @var string The comment info for this element
70			* @ORM\Column(type="string", nullable=true)
71			* @Groups({"simple", "extended", "full"})
72			*/
73			protected $comment;
74
75			/**
76			* @var int
77			* @ORM\Column(type="integer", nullable=true)
78			*/
79			protected $parent_id;
80
81			/**
82			* @var int
83			*/
84			protected $level = 0;
85
86			/** @var string[] all names of all parent elements as a array of strings,
87			* the last array element is the name of the element itself
88			*
89			*/
90			private $full_path_strings;
91
92
93
94			public function __construct()
95			{
96			$this->children = new ArrayCollection();
			0 ignored issues – show Documentation Bug introduced 2019-04-11 20:44 UTC by Report Bug Copy Issue Report It seems like `new Doctrine\Common\Collections\ArrayCollection()` of type `Doctrine\Common\Collections\ArrayCollection` is incompatible with the declared type `App\Entity\StructuralDBElement[]` of property `$children`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
97			}
98
99			/******************************************************************************
100			* StructuralDBElement constructor.
101			*****************************************************************************/
102
103			/**
104			* Check if this element is a child of another element (recursive).
105			*
106			* @param StructuralDBElement $another_element the object to compare
107			* IMPORTANT: both objects to compare must be from the same class (for example two "Device" objects)!
108			*
109			* @return bool True, if this element is child of $another_element.
110			*
111			* @throws \InvalidArgumentException if there was an error
112			*/
113			public function isChildOf(StructuralDBElement $another_element)
114			{
115			$class_name = \get_class($this);
116
117			//Check if both elements compared, are from the same type:
118			if ($class_name != \get_class($another_element)) {
119			throw new \InvalidArgumentException('isChildOf() only works for objects of the same type!');
120			}
121
122			if (null == $this->getParent()) { // this is the root node
123			return false;
124			}
125
126			//If this' parents element, is $another_element, then we are finished
127			return ($this->parent->getID() == $another_element->getID())
128			\|\| $this->parent->isChildOf($another_element); //Otherwise, check recursivley
129			}
130
131			/******************************************************************************
132			*
133			* Getters
134			*
135			******************************************************************************/
136
137			/**
138			* Get the parent-ID
139			*
140			* @return integer * the ID of the parent element
141			* * NULL means, the parent is the root node
142			* * the parent ID of the root node is -1
143			*/
144			protected function getParentID(): int
145			{
146			return $this->parent_id ?? self::ID_ROOT_ELEMENT; //Null means root element
147			}
148
149			/**
150			* Get the parent of this element.
151			*
152			* @return StructuralDBElement\|null The parent element. Null if this element, does not have a parent.
153			*/
154			public function getParent(): ?self
155			{
156			return $this->parent;
157			}
158
159			/**
160			* Get the comment of the element.
161
162			* @return string the comment
163			*/
164			public function getComment(): ?string
165			{
166			return $this->comment;
167			}
168
169			/**
170			* Get the level.
171			*
172			* The level of the root node is -1.
173			*
174			* @return int the level of this element (zero means a most top element
175			* [a subelement of the root node])
176			*
177			*/
178			public function getLevel(): int
179			{
180			/**
181			* Only check for nodes that have a parent. In the other cases zero is correct.
182			*/
183			if (0 === $this->level && $this->parent !== null) {
184			$element = $this->parent;
185			while ($element !== null) {
186			/** @var StructuralDBElement $element */
187			$element = $element->parent;
188			++$this->level;
189			}
190			}
191			return $this->level;
192			}
193
194			/**
195			* Get the full path.
196			*
197			* @param string $delimeter the delimeter of the returned string
198			*
199			* @return string the full path (incl. the name of this element), delimeted by $delimeter
200			*
201			*/
202			public function getFullPath(string $delimeter = self::PATH_DELIMITER_ARROW): string
203			{
204			if (!\is_array($this->full_path_strings)) {
			0 ignored issues – show introduced 2019-03-09 19:53 UTC by Report Bug Copy Issue Report The condition `is_array($this->full_path_strings)` is always `true`. Loading history...
205			$this->full_path_strings = array();
206			$this->full_path_strings[] = $this->getName();
207			$element = $this;
208
209			$overflow = 20; //We only allow 20 levels depth
210
211			while (null != $element->parent && $overflow >= 0) {
212			$element = $element->parent;
213			$this->full_path_strings[] = $element->getName();
214			//Decrement to prevent mem overflow.
215			$overflow--;
216			}
217
218			$this->full_path_strings = array_reverse($this->full_path_strings);
219			}
220
221			return implode($delimeter, $this->full_path_strings);
222			}
223
224			/**
225			* Get all subelements of this element.
226			*
227			* @param bool $recursive if true, the search is recursive
228			*
229			* @return static[] all subelements as an array of objects (sorted by their full path)
230			*/
231			public function getSubelements(): iterable
232			{
233			return $this->children;
234			}
235
236			public function getChildren(): iterable
237			{
238			return $this->children;
239			}
240
241			/******************************************************************************
242			*
243			* Setters
244			*
245			******************************************************************************/
246
247			/**
248			* Sets the new parent object
249			* @param self $new_parent The new parent object
250			* @return StructuralDBElement
251			*/
252			public function setParent(?self $new_parent) : self
253			{
254			/*
255			if ($new_parent->isChildOf($this)) {
256			throw new \InvalidArgumentException('You can not use one of the element childs as parent!');
257			} */
258
259			$this->parent = $new_parent;
260
261			return $this;
262			}
263
264			/**
265			* Set the comment.
266			* @param string $new_comment the new comment
267			* @return StructuralDBElement
268			*/
269			public function setComment(?string $new_comment): self
270			{
271			$this->comment = $new_comment;
272
273			return $this;
274			}
275
276			public function setChildren(array $element) : self
277			{
278			$this->children = $element;
279
280			return $this;
281			}
282
283			public function clearChildren() : self
284			{
285			$this->children = new ArrayCollection();
			0 ignored issues – show Documentation Bug introduced 2019-03-20 21:56 UTC by Report Bug Copy Issue Report It seems like `new Doctrine\Common\Collections\ArrayCollection()` of type `Doctrine\Common\Collections\ArrayCollection` is incompatible with the declared type `App\Entity\StructuralDBElement[]` of property `$children`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
286
287			return $this;
288			}
289			}
290

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StructuralDBElement::clearChildren() A

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