EntityBrowserElement::processEntityBrowser() - Code Metrics - drupal-media/entity_browser - Measure and Improve Code Quality continuously with Scrutinizer

EntityBrowserElement::processEntityBrowser() B
last analyzed 2017-11-30 13:19 UTC

↳ Parent: EntityBrowserElement

Complexity

Conditions	5
Paths	12

Size

Total Lines	73
Code Lines	44

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	5
eloc	44
c	1
b	0
f	0
nc	12
nop	3
dl	0
loc	73
rs	8.5021

How to fix Long Method

<?php

namespace Drupal\entity_browser\Element;

use Drupal\Component\Utility\Html;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element\FormElement;
use Drupal\entity_browser\Entity\EntityBrowser;
use Drupal\Core\Entity\EntityInterface;

/**
 * Provides an Entity Browser form element.
 *
 * Properties:
 * - #entity_browser: Entity browser or ID of the Entity browser to be used.
 * - #cardinality: (optional) Maximum number of items that are expected from
 *     the entity browser. Unlimited by default.
 * - #default_value: (optional) Array of entities that Entity browser should be
 *     initialized with. It's only applicable when edit selection mode is used.
 * - #entity_browser_validators: (optional) Array of validators that are to be
 *     passed to the entity browser. Array keys are plugin IDs and array values
 *     are plugin configuration values. Cardinality validator will be set
 *     automatically.
 * - #selection_mode: (optional) Determines how selection in entity browser will
 *     be handled. Will selection be appended/prepended or it will be replaced
 *     in case of editing. Defaults to append.
 * - #widget_context: (optional) Widget configuration overrides which enable
 *     use cases where the instance of a widget needs awareness of contextual
 *     configuration like field settings.
 *
 * Return value will be an array of selected entities, which will appear under
 * 'entities' key on the root level of the element's values in the form state.
 *
 * @FormElement("entity_browser")
 */
class EntityBrowserElement extends FormElement {

  /**
   * Indicating an entity browser can return an unlimited number of values.
   *
   * Note: When entity browser is used in Fields, cardinality is directly
   * propagated from Field settings, that's why this constant should be equal to
   * FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED.
   */
  const CARDINALITY_UNLIMITED = -1;

  /**
   * Selection from entity browser will be appended to existing list.
   *
   * When this selection mode is used, then entity browser will not be
   * populated with existing selection. Preselected list will be empty.
   *
   * Note: This option is also used by "js/entity_browser.common.js".
   */
  const SELECTION_MODE_APPEND = 'selection_append';

  /**
   * Selection from entity browser will be prepended to existing list.
   *
   * When this selection mode is used, then entity browser will not be
   * populated with existing selection. Preselected list will be empty.
   *
   * Note: This option is also used by "js/entity_browser.common.js".
   */
  const SELECTION_MODE_PREPEND = 'selection_prepend';

  /**
   * Selection from entity browser will replace existing.
   *
   * When this selection mode is used, then entity browser will be populated
   * with existing selection and returned selected list will replace existing
   * selection. This option requires entity browser selection display with
   * preselection support.
   *
   * Note: This option is also used by "js/entity_browser.common.js".
   */
  const SELECTION_MODE_EDIT = 'selection_edit';

  /**
   * {@inheritdoc}
   */
  public function getInfo() {
    $class = get_class($this);
    return [
      '#input' => TRUE,
      '#tree' => TRUE,
      '#cardinality' => static::CARDINALITY_UNLIMITED,
      '#selection_mode' => static::SELECTION_MODE_APPEND,
      '#process' => [[$class, 'processEntityBrowser']],
      '#default_value' => [],
      '#entity_browser_validators' => [],
      '#widget_context' => [],
      '#attached' => ['library' => ['entity_browser/common']],
    ];
  }

  /**
   * Get selection mode options.
   *
   * @return array
   *   Selection mode options.
   */
  public static function getSelectionModeOptions() {
    return [
      static::SELECTION_MODE_APPEND => t('Append to selection'),
      static::SELECTION_MODE_PREPEND => t('Prepend selection'),
      static::SELECTION_MODE_EDIT => t('Edit selection'),
    ];
  }

  /**
   * Check whether entity browser should be available for selection of entities.
   *
   * @param string $selection_mode
   *   Used selection mode.
   * @param int $cardinality
   *   Used cardinality.
   * @param int $preselection_size
   *   Preseletion size, if it's available.
   *
   * @return bool
   *   Returns positive if entity browser can be used.
   */
  public static function isEntityBrowserAvailable($selection_mode, $cardinality, $preselection_size) {
    if ($selection_mode == static::SELECTION_MODE_EDIT) {
      return TRUE;
    }

    $cardinality_exceeded =
      $cardinality != static::CARDINALITY_UNLIMITED
      && $preselection_size >= $cardinality;

    return !$cardinality_exceeded;
  }

  /**
   * Render API callback: Processes the entity browser element.
   */
  public static function processEntityBrowser(&$element, FormStateInterface $form_state, &$complete_form) {
    /** @var \Drupal\entity_browser\EntityBrowserInterface $entity_browser */
    if (is_string($element['#entity_browser'])) {
      $entity_browser = EntityBrowser::load($element['#entity_browser']);
    }
    else {
      $entity_browser = $element['#entity_browser'];
    }

    // Propagate selection if edit selection mode is used.
    $entity_browser_preselected_entities = [];
    if ($element['#selection_mode'] === static::SELECTION_MODE_EDIT) {
      $entity_browser->getSelectionDisplay()->checkPreselectionSupport();

      $entity_browser_preselected_entities = $element['#default_value'];
    }

    $default_value = implode(' ', array_map(
      function (EntityInterface $item) {
        return $item->getEntityTypeId() . ':' . $item->id();
      },
      $entity_browser_preselected_entities
    ));
    $validators = array_merge(
      $element['#entity_browser_validators'],
      ['cardinality' => ['cardinality' => $element['#cardinality']]]
    );

    // Display error message if the entity browser was not found.
    if (!$entity_browser) {
      $element['entity_browser'] = [
        '#type' => 'markup',
        '#markup' => is_string($element['#entity_browser']) ? t('Entity browser @browser not found.', ['@browser' => $element['#entity_browser']]) : t('Entity browser not found.'),
      ];
    }
    // Display entity_browser
    else {
      $display = $entity_browser->getDisplay();
      $display->setUuid(sha1(implode('-', array_merge([$complete_form['#build_id']], $element['#parents']))));
      $element['entity_browser'] = [
        '#eb_parents' => array_merge($element['#parents'], ['entity_browser']),
      ];
      $element['entity_browser'] = $display->displayEntityBrowser(
        $element['entity_browser'],
        $form_state,
        $complete_form,
        [
          'validators' => $validators,
          'selected_entities' => $entity_browser_preselected_entities,
          'widget_context' => $element['#widget_context'],
        ]
      );

      $hidden_id = Html::getUniqueId($element['#id'] . '-target');
      $element['entity_ids'] = [
        '#type' => 'hidden',
        '#id' => $hidden_id,
        // We need to repeat ID here as it is otherwise skipped when rendering.
        '#attributes' => ['id' => $hidden_id, 'class' => ['eb-target']],
        '#default_value' => $default_value,
      ];

      $element['#attached']['drupalSettings']['entity_browser'] = [
        $entity_browser->getDisplay()->getUuid() => [
          'cardinality' => $element['#cardinality'],
          'selection_mode' => $element['#selection_mode'],
          'selector' => '#' . $hidden_id,
        ],
      ];
    }

    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
    if ($input === FALSE) {
      return $element['#default_value'] ?: [];
    }

    $entities = [];
    if ($input['entity_ids']) {
      $entities = static::processEntityIds($input['entity_ids']);
    }

    return ['entities' => $entities];
  }

  /**
   * Processes entity IDs and gets array of loaded entities.
   *
   * @param array|string $ids
   *   Processes entity IDs as they are returned from the entity browser. They
   *   are in [entity_type_id]:[entity_id] form. Array of IDs or a
   *   space-delimited string is supported.
   *
   * @return \Drupal\Core\Entity\EntityInterface[]
   *   Array of entity objects.
   */
  public static function processEntityIds($ids) {
    if (!is_array($ids)) {
      $ids = array_filter(explode(' ', $ids));
    }

    return array_map(
      function ($item) {
        list($entity_type, $entity_id) = explode(':', $item);
        return \Drupal::entityTypeManager()->getStorage($entity_type)->load($entity_id);
      },
      $ids
    );
  }

  /**
   * Processes entity IDs and gets array of loaded entities.
   *
   * @param string $id
   *   Processes entity ID as it is returned from the entity browser. ID should
   *   be in [entity_type_id]:[entity_id] form.
   *
   * @return \Drupal\Core\Entity\EntityInterface
   *   Entity object.
   */
  public static function processEntityId($id) {
    $return = static::processEntityIds([$id]);
    return current($return);

  }

}


1			<?php
2
3			namespace Drupal\entity_browser\Element;
4
5			use Drupal\Component\Utility\Html;
6			use Drupal\Core\Form\FormStateInterface;
7			use Drupal\Core\Render\Element\FormElement;
8			use Drupal\entity_browser\Entity\EntityBrowser;
9			use Drupal\Core\Entity\EntityInterface;
10
11			/**
12			* Provides an Entity Browser form element.
13			*
14			* Properties:
15			* - #entity_browser: Entity browser or ID of the Entity browser to be used.
16			* - #cardinality: (optional) Maximum number of items that are expected from
17			* the entity browser. Unlimited by default.
18			* - #default_value: (optional) Array of entities that Entity browser should be
19			* initialized with. It's only applicable when edit selection mode is used.
20			* - #entity_browser_validators: (optional) Array of validators that are to be
21			* passed to the entity browser. Array keys are plugin IDs and array values
22			* are plugin configuration values. Cardinality validator will be set
23			* automatically.
24			* - #selection_mode: (optional) Determines how selection in entity browser will
25			* be handled. Will selection be appended/prepended or it will be replaced
26			* in case of editing. Defaults to append.
27			* - #widget_context: (optional) Widget configuration overrides which enable
28			* use cases where the instance of a widget needs awareness of contextual
29			* configuration like field settings.
30			*
31			* Return value will be an array of selected entities, which will appear under
32			* 'entities' key on the root level of the element's values in the form state.
33			*
34			* @FormElement("entity_browser")
35			*/
36			class EntityBrowserElement extends FormElement {
37
38			/**
39			* Indicating an entity browser can return an unlimited number of values.
40			*
41			* Note: When entity browser is used in Fields, cardinality is directly
42			* propagated from Field settings, that's why this constant should be equal to
43			* FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED.
44			*/
45			const CARDINALITY_UNLIMITED = -1;
46
47			/**
48			* Selection from entity browser will be appended to existing list.
49			*
50			* When this selection mode is used, then entity browser will not be
51			* populated with existing selection. Preselected list will be empty.
52			*
53			* Note: This option is also used by "js/entity_browser.common.js".
54			*/
55			const SELECTION_MODE_APPEND = 'selection_append';
56
57			/**
58			* Selection from entity browser will be prepended to existing list.
59			*
60			* When this selection mode is used, then entity browser will not be
61			* populated with existing selection. Preselected list will be empty.
62			*
63			* Note: This option is also used by "js/entity_browser.common.js".
64			*/
65			const SELECTION_MODE_PREPEND = 'selection_prepend';
66
67			/**
68			* Selection from entity browser will replace existing.
69			*
70			* When this selection mode is used, then entity browser will be populated
71			* with existing selection and returned selected list will replace existing
72			* selection. This option requires entity browser selection display with
73			* preselection support.
74			*
75			* Note: This option is also used by "js/entity_browser.common.js".
76			*/
77			const SELECTION_MODE_EDIT = 'selection_edit';
78
79			/**
80			* {@inheritdoc}
81			*/
82			public function getInfo() {
83			$class = get_class($this);
84			return [
85			'#input' => TRUE,
86			'#tree' => TRUE,
87			'#cardinality' => static::CARDINALITY_UNLIMITED,
88			'#selection_mode' => static::SELECTION_MODE_APPEND,
89			'#process' => [[$class, 'processEntityBrowser']],
90			'#default_value' => [],
91			'#entity_browser_validators' => [],
92			'#widget_context' => [],
93			'#attached' => ['library' => ['entity_browser/common']],
94			];
95			}
96
97			/**
98			* Get selection mode options.
99			*
100			* @return array
101			* Selection mode options.
102			*/
103			public static function getSelectionModeOptions() {
104			return [
105			static::SELECTION_MODE_APPEND => t('Append to selection'),
106			static::SELECTION_MODE_PREPEND => t('Prepend selection'),
107			static::SELECTION_MODE_EDIT => t('Edit selection'),
108			];
109			}
110
111			/**
112			* Check whether entity browser should be available for selection of entities.
113			*
114			* @param string $selection_mode
115			* Used selection mode.
116			* @param int $cardinality
117			* Used cardinality.
118			* @param int $preselection_size
119			* Preseletion size, if it's available.
120			*
121			* @return bool
122			* Returns positive if entity browser can be used.
123			*/
124			public static function isEntityBrowserAvailable($selection_mode, $cardinality, $preselection_size) {
125			if ($selection_mode == static::SELECTION_MODE_EDIT) {
126			return TRUE;
127			}
128
129			$cardinality_exceeded =
130			$cardinality != static::CARDINALITY_UNLIMITED
131			&& $preselection_size >= $cardinality;
132
133			return !$cardinality_exceeded;
134			}
135
136			/**
137			* Render API callback: Processes the entity browser element.
138			*/
139			public static function processEntityBrowser(&$element, FormStateInterface $form_state, &$complete_form) {
140			/** @var \Drupal\entity_browser\EntityBrowserInterface $entity_browser */
141			if (is_string($element['#entity_browser'])) {
142			$entity_browser = EntityBrowser::load($element['#entity_browser']);
143			}
144			else {
145			$entity_browser = $element['#entity_browser'];
146			}
147
148			// Propagate selection if edit selection mode is used.
149			$entity_browser_preselected_entities = [];
150			if ($element['#selection_mode'] === static::SELECTION_MODE_EDIT) {
151			$entity_browser->getSelectionDisplay()->checkPreselectionSupport();
152
153			$entity_browser_preselected_entities = $element['#default_value'];
154			}
155
156			$default_value = implode(' ', array_map(
157			function (EntityInterface $item) {
158			return $item->getEntityTypeId() . ':' . $item->id();
159			},
160			$entity_browser_preselected_entities
161			));
162			$validators = array_merge(
163			$element['#entity_browser_validators'],
164			['cardinality' => ['cardinality' => $element['#cardinality']]]
165			);
166
167			// Display error message if the entity browser was not found.
168			if (!$entity_browser) {
169			$element['entity_browser'] = [
170			'#type' => 'markup',
171			'#markup' => is_string($element['#entity_browser']) ? t('Entity browser @browser not found.', ['@browser' => $element['#entity_browser']]) : t('Entity browser not found.'),
172			];
173			}
174			// Display entity_browser
175			else {
176			$display = $entity_browser->getDisplay();
177			$display->setUuid(sha1(implode('-', array_merge([$complete_form['#build_id']], $element['#parents']))));
178			$element['entity_browser'] = [
179			'#eb_parents' => array_merge($element['#parents'], ['entity_browser']),
180			];
181			$element['entity_browser'] = $display->displayEntityBrowser(
182			$element['entity_browser'],
183			$form_state,
184			$complete_form,
185			[
186			'validators' => $validators,
187			'selected_entities' => $entity_browser_preselected_entities,
188			'widget_context' => $element['#widget_context'],
189			]
190			);
191
192			$hidden_id = Html::getUniqueId($element['#id'] . '-target');
193			$element['entity_ids'] = [
194			'#type' => 'hidden',
195			'#id' => $hidden_id,
196			// We need to repeat ID here as it is otherwise skipped when rendering.
197			'#attributes' => ['id' => $hidden_id, 'class' => ['eb-target']],
198			'#default_value' => $default_value,
199			];
200
201			$element['#attached']['drupalSettings']['entity_browser'] = [
202			$entity_browser->getDisplay()->getUuid() => [
203			'cardinality' => $element['#cardinality'],
204			'selection_mode' => $element['#selection_mode'],
205			'selector' => '#' . $hidden_id,
206			],
207			];
208			}
209
210			return $element;
211			}
212
213			/**
214			* {@inheritdoc}
215			*/
216			public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
217			if ($input === FALSE) {
218			return $element['#default_value'] ?: [];
219			}
220
221			$entities = [];
222			if ($input['entity_ids']) {
223			$entities = static::processEntityIds($input['entity_ids']);
224			}
225
226			return ['entities' => $entities];
227			}
228
229			/**
230			* Processes entity IDs and gets array of loaded entities.
231			*
232			* @param array\|string $ids
233			* Processes entity IDs as they are returned from the entity browser. They
234			* are in [entity_type_id]:[entity_id] form. Array of IDs or a
235			* space-delimited string is supported.
236			*
237			* @return \Drupal\Core\Entity\EntityInterface[]
238			* Array of entity objects.
239			*/
240			public static function processEntityIds($ids) {
241			if (!is_array($ids)) {
242			$ids = array_filter(explode(' ', $ids));
243			}
244
245			return array_map(
246			function ($item) {
247			list($entity_type, $entity_id) = explode(':', $item);
248			return \Drupal::entityTypeManager()->getStorage($entity_type)->load($entity_id);
249			},
250			$ids
251			);
252			}
253
254			/**
255			* Processes entity IDs and gets array of loaded entities.
256			*
257			* @param string $id
258			* Processes entity ID as it is returned from the entity browser. ID should
259			* be in [entity_type_id]:[entity_id] form.
260			*
261			* @return \Drupal\Core\Entity\EntityInterface
262			* Entity object.
263			*/
264			public static function processEntityId($id) {
265			$return = static::processEntityIds([$id]);
266			return current($return);
			0 ignored issues – show Comprehensibility Best Practice introduced 2016-07-16 14:13 UTC by Report Bug Copy Issue Report The expression `current($return);` of type `Drupal\Core\Entity\EntityInterface\|false` adds `false` to the return on line 266 which is incompatible with the return type documented by `Drupal\entity_browser\El...lement::processEntityId` of type `Drupal\Core\Entity\EntityInterface`. It seems like you forgot to handle an error condition. Loading history...
267			}
268
269			}
270

drupal-media / entity_browser

EntityBrowserElement::processEntityBrowser() B last analyzed 2017-11-30 13:19 UTC

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EntityBrowserElement::processEntityBrowser() B
last analyzed 2017-11-30 13:19 UTC