View source  
  <?php
namespace Drupal\statusmessage\Entity;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\Entity\ContentEntityBase;
use Drupal\Core\Entity\EntityChangedTrait;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\statusmessage\StatusInterface;
use Drupal\user\UserInterface;
const TWEET_NODE_TYPE = 'tweet';
class Status extends ContentEntityBase implements StatusInterface {
  use EntityChangedTrait;
  
  public static function preCreate(EntityStorageInterface $storage_controller, array &$values) {
    parent::preCreate($storage_controller, $values);
    $values += array(
      'user_id' => \Drupal::currentUser()
        ->id(),
    );
  }
  
  public function getType() {
    return $this
      ->bundle();
  }
  
  public function getName() {
    return $this
      ->get('name')->value;
  }
  
  public function setName($name) {
    $this
      ->set('name', $name);
    return $this;
  }
  
  public function getCreatedTime() {
    return $this
      ->get('created')->value;
  }
  
  public function setCreatedTime($timestamp) {
    $this
      ->set('created', $timestamp);
    return $this;
  }
  
  public function getOwner() {
    return $this
      ->get('user_id')->entity;
  }
  
  public function getOwnerId() {
    return $this
      ->get('user_id')->target_id;
  }
  
  public function setOwnerId($uid) {
    $this
      ->set('user_id', $uid);
    return $this;
  }
  
  public function setOwner(UserInterface $account) {
    $this
      ->set('user_id', $account
      ->id());
    return $this;
  }
  
  public function isPublished() {
    return (bool) $this
      ->getEntityKey('status');
  }
  
  public function setPublished($published) {
    $this
      ->set('status', $published ? NODE_PUBLISHED : NODE_NOT_PUBLISHED);
    return $this;
  }
  
  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
    $fields['id'] = BaseFieldDefinition::create('integer')
      ->setLabel(t('ID'))
      ->setDescription(t('The ID of the Status entity.'))
      ->setReadOnly(TRUE);
    $fields['type'] = BaseFieldDefinition::create('entity_reference')
      ->setLabel(t('Type'))
      ->setDescription(t('The Status type/bundle.'))
      ->setSetting('target_type', 'status_type')
      ->setRequired(TRUE);
    $fields['uuid'] = BaseFieldDefinition::create('uuid')
      ->setLabel(t('UUID'))
      ->setDescription(t('The UUID of the Status entity.'))
      ->setReadOnly(TRUE);
    $fields['uid'] = BaseFieldDefinition::create('entity_reference')
      ->setLabel(t('Authored by'))
      ->setDescription(t('The user ID of author of the Status entity.'))
      ->setRevisionable(TRUE)
      ->setSetting('target_type', 'user')
      ->setSetting('handler', 'default')
      ->setDefaultValueCallback('Drupal\\node\\Entity\\Node::getCurrentUserId')
      ->setTranslatable(TRUE)
      ->setDisplayOptions('view', array(
      'label' => 'hidden',
      'type' => 'author',
      'weight' => 0,
    ))
      ->setDisplayOptions('form', array(
      'type' => 'entity_reference_autocomplete',
      'weight' => 5,
      'settings' => array(
        'match_operator' => 'CONTAINS',
        'size' => '60',
        'autocomplete_type' => 'tags',
        'placeholder' => '',
      ),
    ))
      ->setDisplayConfigurable('form', TRUE)
      ->setDisplayConfigurable('view', TRUE);
    $fields['recipient'] = BaseFieldDefinition::create('entity_reference')
      ->setLabel(t('Received by'))
      ->setDescription(t('The user ID of recipient of the Status entity.'))
      ->setRevisionable(TRUE)
      ->setSetting('target_type', 'user')
      ->setSetting('handler', 'default')
      ->setTranslatable(TRUE)
      ->setDisplayOptions('view', array(
      'label' => 'hidden',
      'type' => 'author',
      'weight' => 0,
    ))
      ->setDisplayOptions('form', array(
      'type' => 'entity_reference_autocomplete',
      'weight' => 5,
      'settings' => array(
        'match_operator' => 'CONTAINS',
        'size' => '60',
        'autocomplete_type' => 'tags',
        'placeholder' => '',
      ),
    ))
      ->setDisplayConfigurable('form', TRUE)
      ->setDisplayConfigurable('view', TRUE);
    $fields['entity_target'] = BaseFieldDefinition::create('entity_reference')
      ->setLabel(t('Node'))
      ->setDescription(t('The content associated with this Status message'))
      ->setSetting('target_type', 'node')
      ->setSetting('handler', 'default')
      ->setRevisionable(TRUE);
    $fields['name'] = BaseFieldDefinition::create('string')
      ->setLabel(t('Name'))
      ->setDescription(t('The name of the Status entity.'))
      ->setSettings(array(
      'max_length' => 50,
      'text_processing' => 0,
    ))
      ->setDefaultValue('')
      ->setDisplayOptions('view', array(
      'label' => 'above',
      'type' => 'string',
      'weight' => -4,
    ))
      ->setDisplayOptions('form', array(
      'type' => 'string_textfield',
      'weight' => -4,
    ))
      ->setDisplayConfigurable('form', TRUE)
      ->setDisplayConfigurable('view', TRUE);
    $fields['message'] = BaseFieldDefinition::create('text_long')
      ->setLabel(t('Message'))
      ->setDescription(t('The message of the Status entity.'))
      ->setRevisionable(TRUE)
      ->setDisplayOptions('view', array(
      'label' => 'above',
      'weight' => -4,
    ));
    $fields['status'] = BaseFieldDefinition::create('boolean')
      ->setLabel(t('Publishing status'))
      ->setDescription(t('A boolean indicating whether the Status is published.'))
      ->setDefaultValue(TRUE);
    $fields['langcode'] = BaseFieldDefinition::create('language')
      ->setLabel(t('Language code'))
      ->setDescription(t('The language code for the Status entity.'))
      ->setDisplayOptions('form', array(
      'type' => 'language_select',
      'weight' => 10,
    ))
      ->setDisplayConfigurable('form', TRUE);
    $fields['created'] = BaseFieldDefinition::create('created')
      ->setLabel(t('Created'))
      ->setDescription(t('The time that the entity was created.'));
    $fields['changed'] = BaseFieldDefinition::create('changed')
      ->setLabel(t('Changed'))
      ->setDescription(t('The time that the entity was last edited.'));
    return $fields;
  }
  public function setMessage($message) {
    $this
      ->set('message', $message);
  }
  public function getMessage() {
    return $this
      ->get('message');
  }
  
  public function setRecipient($recipient) {
    $this
      ->set('recipient', $recipient);
  }
  public function getRecipient() {
    return $this
      ->get('recipient');
  }
  public function setEntityTarget($entityTarget) {
    $this
      ->set('entity_target', $entityTarget);
  }
  public function getEntityTarget() {
    return $this
      ->get('entity_target');
  }
}