FacebookPostBlock.php in Social Feed 8

Namespace

Drupal\socialfeed\Plugin\Block

File

src/Plugin/Block/FacebookPostBlock.php

<?php

namespace Drupal\socialfeed\Plugin\Block;

use Drupal\Core\Block\BlockPluginInterface;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Logger\LoggerChannelFactoryInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\socialfeed\Services\FacebookPostCollectorFactory;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a 'FacebookPostBlock' block.
 *
 * @Block(
 *  id = "facebook_post",
 *  admin_label = @Translation("Facebook Block"),
 * )
 */
class FacebookPostBlock extends SocialBlockBase implements ContainerFactoryPluginInterface, BlockPluginInterface {

  /**
   * The facebook service.
   *
   * @var \Drupal\socialfeed\Services\FacebookPostCollectorFactory
   */
  protected $facebook;

  /**
   * The config factory.
   *
   * @var \Drupal\Core\Config\ImmutableConfig
   */
  protected $config;

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $currentUser;

  /**
   * The logger service.
   *
   * @var \Drupal\Core\Logger\LoggerChannelInterface
   */
  private $logger;

  /**
   * {@inheritdoc}
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, FacebookPostCollectorFactory $facebook, ConfigFactoryInterface $config, AccountInterface $currentUser, LoggerChannelFactoryInterface $logger_factory) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->facebook = $facebook;
    $this->config = $config
      ->get('socialfeed.facebooksettings');
    $this->currentUser = $currentUser;
    $this->logger = $logger_factory
      ->get('socialfeed');
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('socialfeed.facebook'), $container
      ->get('config.factory'), $container
      ->get('current_user'), $container
      ->get('logger.factory'));
  }

  /**
   * {@inheritdoc}
   */
  public function blockForm($form, FormStateInterface $form_state) {
    $form = parent::blockForm($form, $form_state);
    $post_type_options = [
      'permalink_url',
      'status',
      'photo',
      'video',
    ];
    $form['overrides']['page_name'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Facebook Page Name'),
      '#default_value' => $this
        ->defaultSettingValue('page_name'),
      '#description' => $this
        ->t('eg. If your Facebook page URL is this @facebook, then use YOUR_PAGE_NAME above.', [
        '@facebook' => 'http://www.facebook.com/YOUR_PAGE_NAME',
      ]),
      '#size' => 60,
      '#maxlength' => 100,
      '#required' => TRUE,
    ];
    $form['overrides']['app_id'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Facebook App ID'),
      '#default_value' => $this
        ->defaultSettingValue('app_id'),
      '#size' => 60,
      '#maxlength' => 100,
      '#required' => TRUE,
    ];
    $form['overrides']['secret_key'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Facebook Secret Key'),
      '#default_value' => $this
        ->defaultSettingValue('secret_key'),
      '#size' => 60,
      '#maxlength' => 100,
      '#required' => TRUE,
    ];
    $form['overrides']['user_token'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Facebook User Token'),
      '#default_value' => $this
        ->defaultSettingValue('user_token'),
      '#description' => $this
        ->t('This is available at @facebook', [
        '@facebook' => 'https://developers.facebook.com/tools/explorer/',
      ]),
      '#size' => 60,
      '#maxlength' => 255,
      '#required' => TRUE,
    ];
    $form['overrides']['user_token'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Facebook User Token'),
      '#default_value' => $this
        ->defaultSettingValue('user_token'),
      '#size' => 60,
      '#maxlength' => 255,
      '#required' => TRUE,
    ];
    $form['overrides']['no_feeds'] = [
      '#type' => 'number',
      '#title' => $this
        ->t('Number of Feeds'),
      '#default_value' => $this
        ->defaultSettingValue('no_feeds'),
      '#size' => 60,
      '#maxlength' => 60,
      '#max' => 100,
      '#min' => 1,
    ];
    $form['overrides']['all_types'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Show all post types'),
      '#default_value' => $this
        ->defaultSettingValue('all_types'),
      '#states' => [
        'required' => [],
      ],
    ];
    $form['overrides']['post_type'] = [
      '#type' => 'select',
      '#title' => 'Select your post type(s) to show',
      '#default_value' => $this
        ->defaultSettingValue('post_type'),
      '#options' => array_combine($post_type_options, $post_type_options),
      '#empty_option' => $this
        ->t('- Select -'),
      '#states' => [
        'visible' => [
          ':input[name="settings[overrides][all_types]"]' => [
            'checked' => FALSE,
          ],
        ],
        'required' => [
          ':input[name="settings[overrides][all_types]"]' => [
            'checked' => FALSE,
          ],
        ],
      ],
    ];
    $this
      ->blockFormElementStates($form);
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function build() {
    $build = [];
    $items = [];
    $block_settings = $this
      ->getConfiguration();
    try {
      if ($block_settings['override']) {
        $facebook = $this->facebook
          ->createInstance($block_settings['app_id'], $block_settings['secret_key'], $block_settings['user_token'], $this->config
          ->get('page_name'));
      }
      else {
        $facebook = $this->facebook
          ->createInstance($this->config
          ->get('app_id'), $this->config
          ->get('secret_key'), $this->config
          ->get('user_token'), $this->config
          ->get('page_name'));
      }
      $post_types = $this
        ->getSetting('all_types');
      if (!$post_types) {
        $post_types = $this
          ->getSetting('post_type');
      }
      $posts = $facebook
        ->getPosts($this
        ->getSetting('page_name'), $post_types, $this
        ->getSetting('no_feeds'));
      foreach ($posts as $post) {
        if ($post['status_type'] = !NULL) {
          $items[] = [
            '#theme' => [
              'socialfeed_facebook_post__' . $post['status_type'],
              'socialfeed_facebook_post',
            ],
            '#post' => $post,
            '#cache' => [
              // Cache for 1 hour.
              'max-age' => 60 * 60,
              'cache tags' => $this->config
                ->getCacheTags(),
              'context' => $this->config
                ->getCacheContexts(),
            ],
          ];
        }
      }
    } catch (Exception $exception) {
      $this->logger
        ->error($this
        ->t('Exception: @exception', [
        '@exception' => $exception
          ->getMessage(),
      ]));
    }
    $build['posts'] = [
      '#theme' => 'item_list',
      '#items' => $items,
    ];
    return $build;
  }

}

Classes

Name	Description
FacebookPostBlock	Provides a 'FacebookPostBlock' block.