community_builder-1.0.0-alpha1/community_builder.module

community_builder.module
community_builder
<?php

use Drupal\Core\Form\FormStateInterface;
use Drupal\node\NodeInterface;
use Drupal\views\ViewExecutable;
use Drupal\views\Views;
use Drupal\views\Plugin\views\query\QueryPluginBase;

/**
 * Implements hook_theme().
 * @param $existing
 * @param $type
 * @param $theme
 * @param $path
 *
 * @return array
 */
function community_builder_theme($existing, $type, $theme, $path) {

  // Defined template path.
  $user_template = $path . '/templates/user';
  $node_template = $path . '/templates/node';

  return [
    'user__full' => [
      'render element' => 'elements',
      'path' => $user_template
    ],
    'node__posts' => [
      'render element' => 'elements',
      'path' => $node_template
    ]
  ];
}

/**
 * Implements hook_element_info_alter().
 * @param array $types
 */
function community_builder_element_info_alter(array &$types) {
  // Attach our extra CSS for toolbar icons.
  if (isset($types['toolbar'])) {
    $types['toolbar']['#attached']['library'][] = 'community_builder/toolbar';
  }
}

/**
 * Implements hook_form_alter().
 * @param array $form
 * @param \Drupal\Core\Form\FormStateInterface $form_state
 * @param $form_id
 *
 */
function community_builder_form_alter(array &$form, FormStateInterface $form_state, $form_id) {

  if ($form_id === 'user_form') {
    $form['#attached']['library'][] = 'community_builder/user_profile';
  }
  if ($form_id === 'node_posts_form' || $form_id === 'node_posts_edit_form') {
    // Add cancel button on node add and edit form.
    $form['actions']['submit_cancel'] = [
      '#type' => 'submit',
      '#weight' => 0,
      '#value' => t('Cancel'),
      '#attributes' => [
        'onclick' => 'history.back()'
      ]
    ];

    $form['actions']['submit']['#value'] = t('Post');
    $form['#attached']['library'][] = 'community_builder/chosen_js';

    if ($form_id === 'node_posts_form') {
      // Set default value for community.
      $community = \Drupal::request()->query->get('community');
      if ($community) {
        $form['field_community']['widget']['#default_value'] = $community;
        $form['field_community']['widget']['#attributes']['disabled'] = 'disabled';
        // Hide widget when community already selected.
        //    $form['field_community']['#attributes']['style'] = 'display:none';
      }
    }
    if ($form_id === 'node_posts_edit_form') {
      $form['field_community']['widget']['#attributes']['disabled'] = 'disabled';
      // Hide widget when community already selected.
      //    $form['field_community']['#attributes']['style'] = 'display:none';
    }
  }

  // Comment form alter.
  if ($form_id === 'comment_post_comment_form') {
    $form['actions']['submit']['#value'] = t('Post');
  }

  // User add & edit form alter.
  if ($form_id === 'user_form') {
    // Get current user.
    $current_user = \Drupal::currentUser();
    $roles = $current_user->getRoles();
    $form['field_fb_id']['widget'][0]['value']['#attributes']['disabled'] = 'disabled';
    $form['field_facebook_friends']['widget'][0]['value']['#attributes']['disabled'] = 'disabled';
    // Check current user role.
    if (!in_array('administrator', $roles)) {
      $form['field_privacy_policy']['#attributes']['style'] = 'display:none';
    }
    // Add cancel button on user add and edit form.
    $form['actions']['submit_cancel'] = [
      '#type' => 'submit',
      '#weight' => 0,
      '#value' => t('Cancel'),
      '#attributes' => [
        'onclick' => 'history.back()',
        'class' => ['button--primary']
      ]
    ];
  }
}

/**
 * Implements hook_ENTITY_TYPE_insert() for node entities.
 * @param \Drupal\node\NodeInterface $node
 *
 * @throws \Drupal\Core\Entity\EntityStorageException
 */
function community_builder_node_insert(NodeInterface $node) {
  // Assign the node post to group entity.
  if ($node->getType() === 'posts') {
    // Get community entity id.
    $groupId = $node->get('field_community')->target_id;
    if (!empty($groupId)) {
      // Load group community.
      $groupEntity = \Drupal\group\Entity\Group::load($groupId);
      $type = $groupEntity->getGroupType()->id() . '-group_node-' . $node->getType();
      $groupContentEntity = \Drupal\group\Entity\GroupContent::create([
        'gid' => $groupEntity->id(),
        'entity_id' => $node->id(),
        'type' => $type,
      ]);
      $groupContentEntity->save();
    }
  }
}

/**
 * Implements hook_preprocess_page() for pages.
 * Template: page--posts.html.twig
 *
 * @param array $variables
 */
function community_builder_preprocess_page__posts(&$variables) {
  // Get Node object from the variables
  $node = $variables['node'];

  // Get community id from node
  $community_id = $node->get('field_community')->getValue()[0]['target_id'];

  // invoke and embed view with community id as filter
  $view = Views::getView('community_detail_hero_banner');
  $view->setDisplay('community_hero_banner');
  $view->setArguments([$community_id]);

  // Set new view as variable which will be rendered in template.
  $variables['posts_hero_banner'] = $view->render();
}

/**
 * Implements hook_preprocess_node() for posts.
 * Template: node--posts.html.twig
 *
 * @param array $variables
 */
function community_builder_preprocess_node__posts(&$variables) {
  // Invoke core module node preprocess hook.
  template_preprocess_node($variables);
  // Get current node instance.
  $node = $variables['elements']['#node'];
  // Build like flag for posts.
  $like_flag = [
    '#lazy_builder' => ['flag.link_builder:build', [
      $node->getEntityTypeId(),
      $node->id(),
      'like',
    ]],
    '#create_placeholder' => TRUE,
  ];

  $like_flag = render($like_flag);
  // Pass like flag for posts.
  $variables['like_flag'] = $like_flag;

  // Pass like count for posts.
  $flag_service = Drupal::service('flag.count');
  $counts = $flag_service->getEntityFlagCounts($node);

  // Build report flag for posts.
  $report_flag = [
    '#lazy_builder' => ['flag.link_builder:build', [
      $node->getEntityTypeId(),
      $node->id(),
      'report',
    ]],
    '#create_placeholder' => TRUE,
  ];
  $report_flag = render($report_flag);
  // Pass like flag for posts.
  $variables['report_flag'] = $report_flag;

  $variables['like_count'] = $counts['like'];

  // Get Node comment count.
  $variables['comment_count'] = $node->get('field_comments')->comment_count;
  // Change date format of node created.
  $variables['date'] = date('d M Y', $node->getCreatedTime());
  // Operational link
  $current_user = \Drupal::currentUser()->id();
  $author = $node->getOwnerId();
  if ($current_user === $author) {
    $variables['operational_links'] = [
      'edit' => "/node/{$node->id()}/edit",
      'delete' => "/node/{$node->id()}/delete"
    ];
    $variables['same_user'] = true;
  } else {
    $variables['operational_links'] = NULL;
    $variables['same_user'] = false;
  }
  // Render the login form for anonymous users.
  $variables['login_form'] = FALSE;
  if (!$current_user) {
    $form = Drupal::formBuilder()->getForm(Drupal\user\Form\UserLoginForm::class) ;
    $render = Drupal::service('renderer');
    $variables['login_form'] = $render->renderPlain($form);
  }
  $variables['#cache']['contexts'][] = 'user';
}

/**
 * User profile preprocess for user--full.html.twig
 * Template: user--full.html.twig
 *
 * @param $variables
 */
function community_builder_preprocess_user__full(&$variables) {
  // Invoke core module user preprocess hook.
  template_preprocess_user($variables);
  // Process user profile page data.
  // Get user id from user profile route.
  $user = \Drupal::routeMatch()->getParameter('user');
  $profile_uid = $user->id();
  // Set user id of profile route else current user.
  $current_user = !empty($profile_uid) ? $profile_uid : \Drupal::currentUser()->id();
  // Pass UID for edit profile link.
  $variables['current_user_id'] = $current_user;
  // User activity Post view.
  $variables['user_activity_posts_count'] = get_view_count('user_activity',
    'posts', $current_user);
  $variables['user_activity_posts'] = views_embed_view(
    'user_activity', 'posts', $current_user);

  // User activity Like view.
  $variables['user_activity_likes_count'] = get_view_count('user_activity',
    'likes', $current_user);
  $variables['user_activity_likes'] = views_embed_view(
    'user_activity', 'likes', $current_user);

  // User activity comments view.
  $variables['user_activity_comments_count'] = get_view_count(
    'user_activity_comments', 'block', $current_user);
  $variables['user_activity_comments'] = views_embed_view(
    'user_activity_comments', 'block', $current_user);
  $variables['#cache']['contexts'][] = 'user';
}

/**
 * Implements theme_preprocess_views_view_fields_VIEW($variables);
 * Template: views-view-fields--community-posts.html.twig
 *
 * @param $variables
 */
function community_builder_preprocess_views_view_fields__community_posts(&$variables) {
  // Pass login form for anonymous user.
  $variables['login_form'] = false;
  // Set the current user id and send
  $current_user = \Drupal::currentUser()->id();
  $variables['current_user_id'] = $current_user;
  if (!$variables['logged_in']) {
    $form = Drupal::formBuilder()->getForm(Drupal\user\Form\UserLoginForm::class) ;
    $render = Drupal::service('renderer');
    $variables['login_form'] = $render->renderPlain($form);
  }
  $variables['#cache']['contexts'][] = 'user';
}

/**
 * implements theme_preprocess_views_view_fields_VIEW($variables);
 * Template: block--views-block--community-posts-list.html.twig
 */
function community_builder_preprocess_block__views_block__community_posts_list(&$variables) {
  // Pass community id to submit post button.
  // It will pre select the community when creating post.
  $group = \Drupal::routeMatch()->getParameter('group');
  $variables['community_id'] = $group->id();
}

/**
 * Implements hook_views_query_alter().
 */
function community_builder_views_query_alter(ViewExecutable $view, QueryPluginBase $query) {
  /* This is because when we add relationship of flag with any user the we get duplicate data.
   * Drupal.org issue: https://www.drupal.org/project/flag/issues/2922066
   * */
  if (($view->id() == 'community_posts' && ($view->current_display == 'list'
      || $view->current_display == 'recent_posts'
      || $view->current_display == 'home_top_posts'
      || $view->current_display == 'top_posts')) || $view->id() == 'user_activity') {
    $query->addField('node', 'nid', 'node_nid', array('function' => 'groupby'));
    $query->addGroupBy('node.nid');
  }
}

/**
 * Return total view rows independent of pager.
 * @param $id
 * @param $display
 * @param $args
 *
 * @return int
 */
function get_view_count($id, $display, $args) {
  $view = Views::getView($id);
  $view->setArguments([$args]);
  $view->execute($display);
  $view->get_total_rows = TRUE;
  return $view->total_rows;
}

/**
 * Implements hook page_attachments
 */
function community_builder_page_attachments(array &$attachments) {
    $attachments['#attached']['library'][] = 'community_builder/community_builder_css';
}

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