Media.php in Drupal 9
Same filename in this branch
Same filename and directory in other branches
Namespace
Drupal\media\EntityFile
core/modules/media/src/Entity/Media.phpView source
<?php
namespace Drupal\media\Entity;
use Drupal\Core\Entity\EditorialContentEntityBase;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\media\MediaInterface;
use Drupal\media\MediaSourceEntityConstraintsInterface;
use Drupal\media\MediaSourceFieldConstraintsInterface;
use Drupal\user\EntityOwnerTrait;
/**
* Defines the media entity class.
*
* @todo Remove default/fallback entity form operation when #2006348 is done.
* @see https://www.drupal.org/node/2006348.
*
* @ContentEntityType(
* id = "media",
* label = @Translation("Media"),
* label_singular = @Translation("media item"),
* label_plural = @Translation("media items"),
* label_count = @PluralTranslation(
* singular = "@count media item",
* plural = "@count media items"
* ),
* bundle_label = @Translation("Media type"),
* handlers = {
* "storage" = "Drupal\media\MediaStorage",
* "view_builder" = "Drupal\Core\Entity\EntityViewBuilder",
* "list_builder" = "Drupal\media\MediaListBuilder",
* "access" = "Drupal\media\MediaAccessControlHandler",
* "form" = {
* "default" = "Drupal\media\MediaForm",
* "add" = "Drupal\media\MediaForm",
* "edit" = "Drupal\media\MediaForm",
* "delete" = "Drupal\Core\Entity\ContentEntityDeleteForm",
* "delete-multiple-confirm" = "Drupal\Core\Entity\Form\DeleteMultipleForm",
* },
* "views_data" = "Drupal\media\MediaViewsData",
* "route_provider" = {
* "html" = "Drupal\media\Routing\MediaRouteProvider",
* }
* },
* base_table = "media",
* data_table = "media_field_data",
* revision_table = "media_revision",
* revision_data_table = "media_field_revision",
* translatable = TRUE,
* show_revision_ui = TRUE,
* entity_keys = {
* "id" = "mid",
* "revision" = "vid",
* "bundle" = "bundle",
* "label" = "name",
* "langcode" = "langcode",
* "uuid" = "uuid",
* "published" = "status",
* "owner" = "uid",
* },
* revision_metadata_keys = {
* "revision_user" = "revision_user",
* "revision_created" = "revision_created",
* "revision_log_message" = "revision_log_message",
* },
* bundle_entity_type = "media_type",
* permission_granularity = "bundle",
* admin_permission = "administer media",
* field_ui_base_route = "entity.media_type.edit_form",
* common_reference_target = TRUE,
* links = {
* "add-page" = "/media/add",
* "add-form" = "/media/add/{media_type}",
* "canonical" = "/media/{media}/edit",
* "collection" = "/admin/content/media",
* "delete-form" = "/media/{media}/delete",
* "delete-multiple-form" = "/media/delete",
* "edit-form" = "/media/{media}/edit",
* "revision" = "/media/{media}/revisions/{media_revision}/view",
* }
* )
*/
class Media extends EditorialContentEntityBase implements MediaInterface {
use EntityOwnerTrait;
use StringTranslationTrait;
/**
* {@inheritdoc}
*/
public function getName() {
$name = $this
->getEntityKey('label');
if (empty($name)) {
$media_source = $this
->getSource();
return $media_source
->getMetadata($this, $media_source
->getPluginDefinition()['default_name_metadata_attribute']);
}
return $name;
}
/**
* {@inheritdoc}
*/
public function label() {
return $this
->getName();
}
/**
* {@inheritdoc}
*/
public function setName($name) {
return $this
->set('name', $name);
}
/**
* {@inheritdoc}
*/
public function getCreatedTime() {
return $this
->get('created')->value;
}
/**
* {@inheritdoc}
*/
public function setCreatedTime($timestamp) {
return $this
->set('created', $timestamp);
}
/**
* {@inheritdoc}
*/
public function getSource() {
return $this->bundle->entity
->getSource();
}
/**
* Update the thumbnail for the media item.
*
* @param bool $from_queue
* Specifies whether the thumbnail update is triggered from the queue.
*
* @return \Drupal\media\MediaInterface
* The updated media item.
*
* @internal
*
* @todo There has been some disagreement about how to handle updates to
* thumbnails. We need to decide on what the API will be for this.
* https://www.drupal.org/node/2878119
*/
protected function updateThumbnail($from_queue = FALSE) {
$this->thumbnail->target_id = $this
->loadThumbnail($this
->getThumbnailUri($from_queue))
->id();
// Set the thumbnail alt.
$media_source = $this
->getSource();
$plugin_definition = $media_source
->getPluginDefinition();
$this->thumbnail->alt = '';
if (!empty($plugin_definition['thumbnail_alt_metadata_attribute'])) {
$this->thumbnail->alt = $media_source
->getMetadata($this, $plugin_definition['thumbnail_alt_metadata_attribute']);
}
return $this;
}
/**
* Loads the file entity for the thumbnail.
*
* If the file entity does not exist, it will be created.
*
* @param string $thumbnail_uri
* (optional) The URI of the thumbnail, used to load or create the file
* entity. If omitted, the default thumbnail URI will be used.
*
* @return \Drupal\file\FileInterface
* The thumbnail file entity.
*/
protected function loadThumbnail($thumbnail_uri = NULL) {
$values = [
'uri' => $thumbnail_uri ?: $this
->getDefaultThumbnailUri(),
];
$file_storage = $this
->entityTypeManager()
->getStorage('file');
$existing = $file_storage
->loadByProperties($values);
if ($existing) {
$file = reset($existing);
}
else {
/** @var \Drupal\file\FileInterface $file */
$file = $file_storage
->create($values);
if ($owner = $this
->getOwner()) {
$file
->setOwner($owner);
}
$file
->setPermanent();
$file
->save();
}
return $file;
}
/**
* Returns the URI of the default thumbnail.
*
* @return string
* The default thumbnail URI.
*/
protected function getDefaultThumbnailUri() {
$default_thumbnail_filename = $this
->getSource()
->getPluginDefinition()['default_thumbnail_filename'];
return \Drupal::config('media.settings')
->get('icon_base_uri') . '/' . $default_thumbnail_filename;
}
/**
* Updates the queued thumbnail for the media item.
*
* @return \Drupal\media\MediaInterface
* The updated media item.
*
* @internal
*
* @todo If the need arises in contrib, consider making this a public API,
* by adding an interface that extends MediaInterface.
*/
public function updateQueuedThumbnail() {
$this
->updateThumbnail(TRUE);
return $this;
}
/**
* Gets the URI for the thumbnail of a media item.
*
* If thumbnail fetching is queued, new media items will use the default
* thumbnail, and existing media items will use the current thumbnail, until
* the queue is processed and the updated thumbnail has been fetched.
* Otherwise, the new thumbnail will be fetched immediately.
*
* @param bool $from_queue
* Specifies whether the thumbnail is being fetched from the queue.
*
* @return string
* The file URI for the thumbnail of the media item.
*
* @internal
*/
protected function getThumbnailUri($from_queue) {
$thumbnails_queued = $this->bundle->entity
->thumbnailDownloadsAreQueued();
if ($thumbnails_queued && $this
->isNew()) {
return $this
->getDefaultThumbnailUri();
}
elseif ($thumbnails_queued && !$from_queue) {
return $this
->get('thumbnail')->entity
->getFileUri();
}
$source = $this
->getSource();
return $source
->getMetadata($this, $source
->getPluginDefinition()['thumbnail_uri_metadata_attribute']);
}
/**
* Determines if the source field value has changed.
*
* The comparison uses MediaSourceInterface::getSourceFieldValue() to ensure
* that the correct property from the source field is used.
*
* @return bool
* TRUE if the source field value changed, FALSE otherwise.
*
* @see \Drupal\media\MediaSourceInterface::getSourceFieldValue()
*
* @internal
*/
protected function hasSourceFieldChanged() {
$source = $this
->getSource();
return isset($this->original) && $source
->getSourceFieldValue($this) !== $source
->getSourceFieldValue($this->original);
}
/**
* Determines if the thumbnail should be updated for a media item.
*
* @param bool $is_new
* Specifies whether the media item is new.
*
* @return bool
* TRUE if the thumbnail should be updated, FALSE otherwise.
*/
protected function shouldUpdateThumbnail($is_new = FALSE) {
// Update thumbnail if we don't have a thumbnail yet or when the source
// field value changes.
return !$this
->get('thumbnail')->entity || $is_new || $this
->hasSourceFieldChanged();
}
/**
* {@inheritdoc}
*/
public function preSave(EntityStorageInterface $storage) {
parent::preSave($storage);
// If no thumbnail has been explicitly set, use the default thumbnail.
if ($this
->get('thumbnail')
->isEmpty()) {
$this->thumbnail->target_id = $this
->loadThumbnail()
->id();
}
}
/**
* {@inheritdoc}
*/
public function postSave(EntityStorageInterface $storage, $update = TRUE) {
parent::postSave($storage, $update);
$is_new = !$update;
foreach ($this->translations as $langcode => $data) {
if ($this
->hasTranslation($langcode)) {
$translation = $this
->getTranslation($langcode);
if ($translation->bundle->entity
->thumbnailDownloadsAreQueued() && $translation
->shouldUpdateThumbnail($is_new)) {
\Drupal::queue('media_entity_thumbnail')
->createItem([
'id' => $translation
->id(),
]);
}
}
}
}
/**
* {@inheritdoc}
*/
public function preSaveRevision(EntityStorageInterface $storage, \stdClass $record) {
parent::preSaveRevision($storage, $record);
$is_new_revision = $this
->isNewRevision();
if (!$is_new_revision && isset($this->original) && empty($record->revision_log_message)) {
// If we are updating an existing media item without adding a
// new revision, we need to make sure $entity->revision_log_message is
// reset whenever it is empty.
// Therefore, this code allows us to avoid clobbering an existing log
// entry with an empty one.
$record->revision_log_message = $this->original->revision_log_message->value;
}
if ($is_new_revision) {
$record->revision_created = self::getRequestTime();
}
}
/**
* Sets the media entity's field values from the source's metadata.
*
* Fetching the metadata could be slow (e.g., if requesting it from a remote
* API), so this is called by \Drupal\media\MediaStorage::save() prior to it
* beginning the database transaction, whereas static::preSave() executes
* after the transaction has already started.
*
* @internal
* Expose this as an API in
* https://www.drupal.org/project/drupal/issues/2992426.
*/
public function prepareSave() {
// @todo If the source plugin talks to a remote API (e.g. oEmbed), this code
// might be performing a fair number of HTTP requests. This is dangerously
// brittle and should probably be handled by a queue, to avoid doing HTTP
// operations during entity save. See
// https://www.drupal.org/project/drupal/issues/2976875 for more.
// In order for metadata to be mapped correctly, $this->original must be
// set. However, that is only set once parent::save() is called, so work
// around that by setting it here.
if (!isset($this->original) && ($id = $this
->id())) {
$this->original = $this
->entityTypeManager()
->getStorage('media')
->loadUnchanged($id);
}
$media_source = $this
->getSource();
foreach ($this->translations as $langcode => $data) {
if ($this
->hasTranslation($langcode)) {
$translation = $this
->getTranslation($langcode);
// Try to set fields provided by the media source and mapped in
// media type config.
foreach ($translation->bundle->entity
->getFieldMap() as $metadata_attribute_name => $entity_field_name) {
// Only save value in entity field if empty. Do not overwrite existing
// data.
if ($translation
->hasField($entity_field_name) && ($translation
->get($entity_field_name)
->isEmpty() || $translation
->hasSourceFieldChanged())) {
$translation
->set($entity_field_name, $media_source
->getMetadata($translation, $metadata_attribute_name));
}
}
// Try to set a default name for this media item if no name is provided.
if ($translation
->get('name')
->isEmpty()) {
$translation
->setName($translation
->getName());
}
// Set thumbnail.
if ($translation
->shouldUpdateThumbnail($this
->isNew())) {
$translation
->updateThumbnail();
}
}
}
}
/**
* {@inheritdoc}
*/
public function validate() {
$media_source = $this
->getSource();
if ($media_source instanceof MediaSourceEntityConstraintsInterface) {
$entity_constraints = $media_source
->getEntityConstraints();
$this
->getTypedData()
->getDataDefinition()
->setConstraints($entity_constraints);
}
if ($media_source instanceof MediaSourceFieldConstraintsInterface) {
$source_field_name = $media_source
->getConfiguration()['source_field'];
$source_field_constraints = $media_source
->getSourceFieldConstraints();
$this
->get($source_field_name)
->getDataDefinition()
->setConstraints($source_field_constraints);
}
return parent::validate();
}
/**
* {@inheritdoc}
*/
public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
$fields = parent::baseFieldDefinitions($entity_type);
$fields += static::ownerBaseFieldDefinitions($entity_type);
$fields['name'] = BaseFieldDefinition::create('string')
->setLabel(t('Name'))
->setRequired(TRUE)
->setTranslatable(TRUE)
->setRevisionable(TRUE)
->setDefaultValue('')
->setSetting('max_length', 255)
->setDisplayOptions('form', [
'type' => 'string_textfield',
'weight' => -5,
])
->setDisplayConfigurable('form', TRUE)
->setDisplayConfigurable('view', TRUE);
$fields['thumbnail'] = BaseFieldDefinition::create('image')
->setLabel(t('Thumbnail'))
->setDescription(t('The thumbnail of the media item.'))
->setRevisionable(TRUE)
->setTranslatable(TRUE)
->setDisplayOptions('view', [
'type' => 'image',
'weight' => 5,
'label' => 'hidden',
'settings' => [
'image_style' => 'thumbnail',
],
])
->setDisplayConfigurable('view', TRUE)
->setReadOnly(TRUE);
$fields['uid']
->setLabel(t('Authored by'))
->setDescription(t('The user ID of the author.'))
->setRevisionable(TRUE)
->setDisplayOptions('form', [
'type' => 'entity_reference_autocomplete',
'weight' => 5,
'settings' => [
'match_operator' => 'CONTAINS',
'size' => '60',
'autocomplete_type' => 'tags',
'placeholder' => '',
],
])
->setDisplayConfigurable('form', TRUE)
->setDisplayOptions('view', [
'label' => 'hidden',
'type' => 'author',
'weight' => 0,
])
->setDisplayConfigurable('view', TRUE);
$fields['status']
->setDisplayOptions('form', [
'type' => 'boolean_checkbox',
'settings' => [
'display_label' => TRUE,
],
'weight' => 100,
])
->setDisplayConfigurable('form', TRUE);
$fields['created'] = BaseFieldDefinition::create('created')
->setLabel(t('Authored on'))
->setDescription(t('The time the media item was created.'))
->setTranslatable(TRUE)
->setRevisionable(TRUE)
->setDefaultValueCallback(static::class . '::getRequestTime')
->setDisplayOptions('form', [
'type' => 'datetime_timestamp',
'weight' => 10,
])
->setDisplayConfigurable('form', TRUE)
->setDisplayOptions('view', [
'label' => 'hidden',
'type' => 'timestamp',
'weight' => 0,
])
->setDisplayConfigurable('view', TRUE);
$fields['changed'] = BaseFieldDefinition::create('changed')
->setLabel(t('Changed'))
->setDescription(t('The time the media item was last edited.'))
->setTranslatable(TRUE)
->setRevisionable(TRUE);
return $fields;
}
/**
* {@inheritdoc}
*/
public static function getRequestTime() {
return \Drupal::time()
->getRequestTime();
}
}