social_post.module in Open Social 8

The Social post module.

File

modules/social_features/social_post/social_post.module

<?php

/**
 * @file
 * The Social post module.
 */
use Drupal\Core\Session\AccountInterface;
use Drupal\Component\Utility\UrlHelper;
use Drupal\Component\Utility\Html;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\Core\Access\AccessResult;
use Drupal\user\Entity\User;
use Drupal\group\Entity\GroupInterface;
use Drupal\group\Entity\Group;

/**
 * Implements hook_form_FORM_ID_alter().
 */
function social_post_form_post_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  if ($form_state
    ->getFormObject()
    ->getEntity()
    ->isNew()) {

    // Load current user.
    $account = User::load(Drupal::currentUser()
      ->id());

    // Load compact notification view mode of the attached profile.
    if ($account) {
      $storage = \Drupal::entityTypeManager()
        ->getStorage('profile');
      if (!empty($storage)) {
        $user_profile = $storage
          ->loadByUser($account, 'profile');
        if ($user_profile) {
          $content = \Drupal::entityTypeManager()
            ->getViewBuilder('profile')
            ->view($user_profile, 'compact_notification');

          // Add to a new field, so twig can render it.
          $form['current_user_image'] = $content;
        }
      }
    }
  }

  // Reset title display.
  $form['field_post']['widget'][0]['#title_display'] = "";

  // Set submit button caption to Post instead of Save.
  $form['actions']['submit']['#value'] = t('Post', [], [
    'context' => 'Post button',
  ]);
  if (!empty($form['field_post']) && !empty($form['field_post']['widget'][0])) {

    // For posting on the stream on the group stream.
    if (!empty(_social_group_get_current_group())) {
      $form['field_post']['widget'][0]['#placeholder'] = t('Say something to the group');
      $form['field_post']['widget'][0]['#title'] = t('Say something to the group');
    }
    elseif (!empty(\Drupal::routeMatch()
      ->getParameter('user')) && \Drupal::routeMatch()
      ->getParameter('user')
      ->id() != \Drupal::currentUser()
      ->id()) {
      $user_profile = \Drupal::routeMatch()
        ->getParameter('user');
      $name = $user_profile
        ->getDisplayName();
      $form['field_post']['widget'][0]['#placeholder'] = t('Leave a message to @name', [
        '@name' => $name,
      ]);
      $form['field_post']['widget'][0]['#title'] = t('Leave a message to @name', [
        '@name' => $name,
      ]);
    }
    else {
      $title = t('Say something to the Community');
      $form['field_post']['widget'][0]['#title'] = $title;
      $form['field_post']['widget'][0]['#placeholder'] = $title;
    }
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Alter the comment_post_comment_form form.
 */
function social_post_form_comment_post_comment_form_alter(&$form, FormStateInterface $form_state, $form_id) {

  // Reset title display.
  $form['field_comment_body']['widget'][0]['#title_display'] = 'invisible';

  // Set the action of the form to the current uri.
  // This needs to be done, because we cannot override $form['#action']
  // without breaking functionality.
  $uri = Url::fromRoute('<current>')
    ->toString();

  // Store in a hidden field.
  $form['redirect_after_save'] = [
    '#type' => 'hidden',
    '#title' => t('Redir'),
    '#default_value' => $uri,
  ];

  // Submit function to retrieve the action uri and redirect to it.
  $form['actions']['submit']['#submit'][] = '_social_post_comment_post_comment_form_submit';
}

/**
 * Form submit for comment_post_comment_form.
 *
 * @param array $form
 *   Commnent on a post form.
 * @param \Drupal\Core\Form\FormStateInterface $form_state
 *   Form state interface.
 */
function _social_post_comment_post_comment_form_submit(array $form, FormStateInterface $form_state) {

  // Fetch from the form.
  $uri = $form_state
    ->getValue('redirect_after_save');

  // Let's not trust this.
  $uri = Html::escape($uri);

  // Must be a valid URL.
  if (UrlHelper::isValid($uri)) {

    // Get the Url from the Form value and redirect to this url.
    $url = Url::fromUserInput($uri);

    // Set redirect.
    $form_state
      ->setRedirectUrl($url);
  }
}

/**
 * Implements hook_views_data_alter().
 */
function social_post_views_data_alter(array &$data) {
  $data['post']['post_visibility_access_filter'] = [
    'title' => t('Post visibility access'),
    'filter' => [
      'title' => t('Post visibility access'),
      'help' => t('Enable post access for public and community posts.'),
      'field' => 'field_visibility',
      'id' => 'post_visibility_access',
    ],
  ];
  $data['post']['post_account_stream_filter'] = [
    'title' => t('Post account stream'),
    'filter' => [
      'title' => t('Post account stream'),
      'help' => t('Enable post for the account stream.'),
      'field' => 'field_visibility',
      'id' => 'post_account_stream',
    ],
  ];
  $data['post']['post_group_stream_filter'] = [
    'title' => t('Post group stream'),
    'filter' => [
      'title' => t('Post group stream'),
      'help' => t('Enable post for the group stream.'),
      'field' => 'field_visibility',
      'id' => 'post_group_stream',
    ],
  ];
}

/**
 * Implements hook_theme().
 */
function social_post_theme() {
  $items = [
    'post' => [
      'render element' => 'elements',
      'file' => 'post.page.inc',
      'template' => 'post',
    ],
  ];
  return $items;
}

/**
 * Implements hook_theme_suggestions_HOOK().
 */
function social_post_theme_suggestions_post(array $variables) {
  $suggestions = [];
  $entity = $variables['elements']['#post'];
  $sanitized_view_mode = strtr($variables['elements']['#view_mode'], '.', '_');
  $suggestions[] = 'post__' . $sanitized_view_mode;
  $suggestions[] = 'post__' . $entity
    ->bundle();
  $suggestions[] = 'post__' . $entity
    ->bundle() . '__' . $sanitized_view_mode;
  $suggestions[] = 'post__' . $entity
    ->id();
  $suggestions[] = 'post__' . $entity
    ->id() . '__' . $sanitized_view_mode;
  return $suggestions;
}

/**
 * Prepares variables for comment field templates.
 *
 * Default template: field--comment.html.twig.
 *
 * @param array $variables
 *   An associative array containing:
 *   - element: An associative array containing render arrays for the list of
 *     comments, and the comment form. Array keys: comments, comment_form.
 *
 * @todo Rename to template_preprocess_field__comment() once
 *   https://www.drupal.org/node/939462 is resolved.
 */
function social_post_preprocess_field(array &$variables) {
  $element = $variables['element'];
  if ($element['#formatter'] == 'comment_post') {

    // Create separate variables for the more_link.
    $variables['more_link'] = $element[0]['more_link'];
  }
}

/**
 * Implements hook_ENTITY_TYPE_create_access().
 */
function social_post_comment_create_access(AccountInterface $account, array $context, $entity_bundle) {
  if ($entity_bundle === 'post_comment') {
    $group = \Drupal::routeMatch()
      ->getParameter('group');
    if (is_numeric($group) && !$group instanceof GroupInterface) {
      $group = Group::load($group);
    }
    if ($group) {
      if ($group
        ->hasPermission('add post entities in group', $account)) {
        return AccessResult::allowed()
          ->cachePerUser();
      }
      else {
        return AccessResult::forbidden()
          ->cachePerUser();
      }
    }
  }
  return AccessResult::neutral();
}

Functions

Name	Description
social_post_comment_create_access	Implements hook_ENTITY_TYPE_create_access().
social_post_form_comment_post_comment_form_alter	Implements hook_form_FORM_ID_alter().
social_post_form_post_form_alter	Implements hook_form_FORM_ID_alter().
social_post_preprocess_field	Prepares variables for comment field templates.
social_post_theme	Implements hook_theme().
social_post_theme_suggestions_post	Implements hook_theme_suggestions_HOOK().
social_post_views_data_alter	Implements hook_views_data_alter().
_social_post_comment_post_comment_form_submit	Form submit for comment_post_comment_form.