social_profile_privacy.module in Open Social 8

Same filename and directory in other branches
The Social profile privacy module file.
File

modules/social_features/social_profile/modules/social_profile_privacy/social_profile_privacy.module
View source
<?php

/**
 * @file
 * The Social profile privacy module file.
 */
use Drupal\Core\Config\ImmutableConfig;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Access\AccessResult;

/**
 * Implements hook_form_FORM_ID_alter().
 */
function social_profile_privacy_form_social_profile_admin_settings_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  $config = \Drupal::config('social_profile_privacy.settings');
  $form['privacy'] += [
    '#prefix' => '<div id="privacy-settings">',
    '#suffix' => '</div>',
  ];
  $settings_forms = social_profile_privacy_get_settings_forms();
  foreach ($settings_forms as $settings_form_id => $settings_form_config) {
    $options = social_profile_privacy_form_display_options($settings_form_config['entity_type'], $settings_form_config['bundle']);
    $form_display_id = $form_state
      ->getValue($settings_form_id, $config
      ->get($settings_form_id));
    $form['privacy'][$settings_form_id] = [
      '#type' => 'select',
      '#title' => t('Privacy settings on display of @form_name', [
        '@form_name' => $settings_form_config['name'],
      ]),
      '#description' => t('Form mode on which users will be able to hide some groups of profile fields.'),
      '#options' => $options,
      '#empty_option' => t('- None -'),
      '#ajax' => [
        'callback' => 'social_profile_privacy_admin_settings_form_ajax',
        'wrapper' => 'privacy-settings',
      ],
      '#default_value' => $form_display_id,
    ];
    if ($form_display_id) {
      $form['privacy'][$settings_form_id . '_field_groups']['groups'] = [
        '#type' => 'fieldset',
        '#title' => t('Field groups'),
        '#description' => t('Profile field groups which users will be able to hide.'),
        '#tree' => TRUE,
        '#access' => !empty($form_display_id),
      ];
      $field_group_options = social_profile_privacy_form_field_group_options();
      if (!empty($field_group_options)) {
        $form['privacy'][$settings_form_id . '_field_groups']['groups'][$settings_form_id . '_field_groups'] = [
          '#type' => 'checkboxes',
          '#options' => $field_group_options,
          '#default_value' => $config
            ->get($settings_form_id) ? $config
            ->get($settings_form_id . '_field_groups') : [],
        ];
      }
      else {
        $form['privacy'][$settings_form_id . '_field_groups']['groups']['empty'] = [
          '#type' => 'item',
          '#markup' => t("This form mode doesn't contain any field groups."),
        ];
      }
      $form['privacy'][$settings_form_id . '_disclaimer'] = [
        '#type' => 'fieldset',
        '#title' => t('Disclaimer'),
        '#description' => t('Fieldset with this title and text will be displayed in the profile form.'),
        '#tree' => TRUE,
      ];
      $form['privacy'][$settings_form_id . '_disclaimer']['title'] = [
        '#type' => 'textfield',
        '#title' => t('Title'),
        '#default_value' => $config
          ->get($settings_form_id . '_disclaimer.title'),
      ];
      $form['privacy'][$settings_form_id . '_disclaimer']['text'] = [
        '#type' => 'text_format',
        '#default_value' => $config
          ->get($settings_form_id . '_disclaimer.text.value'),
        '#format' => $config
          ->get($settings_form_id . '_disclaimer.text.format'),
      ];
    }
  }
  $form['#submit'][] = 'social_profile_privacy_admin_settings_form_submit';
}

/**
 * The submit function for social_profile_admin_settings_form().
 *
 * To save configuration of fields groups available to hiding.
 */
function social_profile_privacy_admin_settings_form_submit($form, FormStateInterface $form_state) {
  $settings_forms = social_profile_privacy_get_settings_forms();
  $data = [];
  foreach ($settings_forms as $settings_form_id => $settings_form) {
    $data[$settings_form_id] = $form_state
      ->getValue($settings_form_id);
    if ($form_state
      ->getValue($settings_form_id) !== NULL) {
      $data[$settings_form_id . '_field_groups'] = $form_state
        ->getValue([
        'groups',
        $settings_form_id . '_field_groups',
      ]);
      $data[$settings_form_id . '_disclaimer'] = $form_state
        ->getValue($settings_form_id . '_disclaimer');
    }
  }
  \Drupal::configFactory()
    ->getEditable('social_profile_privacy.settings')
    ->setData($data)
    ->save();
}

/**
 * Implements hook_form_alter().
 */
function social_profile_privacy_form_alter(&$form, FormStateInterface $form_state, $form_id) {

  // Check with preg_match because of the form id might be different
  // for adding or editing profile.
  if (preg_match('/^profile_profile_\\w+_form$/', $form_id) || preg_match('/^user_form$/', $form_id)) {
    $config = \Drupal::config('social_profile_privacy.settings');
    $field_groups = social_profile_privacy_get_field_groups_for_form_state($form_state, $config);
    $field_groups_labels = social_profile_privacy_form_field_group_options();
    if (!empty($field_groups)) {
      $settings_form_id = $field_groups['settings_form_id'];
      $profile = $form_state
        ->getFormObject()
        ->getEntity();
      $account = \Drupal::routeMatch()
        ->getParameter('user');
      $uid = $account
        ->id();
      if (empty($uid)) {
        $uid = $profile
          ->get('uid')->target_id;
      }
      if (!empty($uid)) {
        $user_data = \Drupal::service('user.data');
        $values = $user_data
          ->get('social_profile_privacy', $uid, 'private_info');
        foreach ($field_groups['field_groups'] as $id) {
          if (array_key_exists($id, $form['#fieldgroups'])) {
            $form[$id . '_visible'] = [
              '#type' => 'checkbox',
              '#title' => t('Show on my profile'),
              '#weight' => -100,
              '#default_value' => isset($values[$id]) ? $values[$id] : TRUE,
              '#attributes' => [
                'data-switch' => TRUE,
              ],
            ];
            $form['#group_children'][$id . '_visible'] = $id;
            $disclaimer_weight = $form['#fieldgroups'][$id]->weight + 1;
          }
          elseif (isset($form['profile_privacy'])) {
            if (array_key_exists($id, $field_groups_labels)) {
              $form['profile_privacy'][$id . '_visible'] = [
                '#type' => 'checkbox',
                '#title' => t('Show "@field_group" on my profile', [
                  '@field_group' => $field_groups_labels[$id],
                ]),
                '#weight' => -10,
                '#default_value' => isset($values[$id]) ? $values[$id] : TRUE,
                '#attributes' => [
                  'data-switch' => TRUE,
                ],
              ];
            }
          }
        }
        if ($value = $config
          ->get($settings_form_id . '_disclaimer.text.value')) {
          if (isset($form['profile_privacy'])) {
            if (!empty($config
              ->get($settings_form_id . '_disclaimer.title'))) {
              $title = '<strong>' . $config
                ->get($settings_form_id . '_disclaimer.title') . ':</strong> ';
            }
            else {
              $title = '';
            }
            $form['profile_privacy']['disclaimer'] = [
              '#type' => 'markup',
              '#markup' => $title . check_markup($value, $config
                ->get($settings_form_id . '_disclaimer.text.format')),
              '#weight' => -100,
            ];
          }
          else {
            $form['disclaimer'] = [
              '#type' => 'fieldset',
              '#title' => $config
                ->get($settings_form_id . '_disclaimer.title'),
              'text' => [
                '#type' => 'markup',
                '#markup' => check_markup($value, $config
                  ->get($settings_form_id . '_disclaimer.text.format')),
              ],
              '#weight' => isset($disclaimer_weight) ? $disclaimer_weight : 99,
            ];
          }
        }
      }
      $form['actions']['submit']['#submit'][] = 'social_profile_privacy_profile_form_submit';
    }
  }
}

/**
 * Ajax callback for social_profile_admin_settings_form().
 */
function social_profile_privacy_admin_settings_form_ajax($form, FormStateInterface $form_state) {
  return $form['privacy'];
}

/**
 * Additional submit function to save settings of hidden fields.
 */
function social_profile_privacy_profile_form_submit($form, FormStateInterface $form_state) {
  if (!empty($form_state
    ->getValue('uid'))) {
    $uid = $form_state
      ->getValue('uid');
  }
  if (!isset($uid)) {
    $uid = $form_state
      ->getFormObject()
      ->getEntity()
      ->get('uid')->target_id;
  }
  $config = \Drupal::config('social_profile_privacy.settings');
  $field_groups = social_profile_privacy_get_field_groups_for_form_state($form_state, $config);
  $user_data = \Drupal::service('user.data');
  $existing_user_data = $user_data
    ->get('social_profile_privacy', $uid, 'private_info');
  $data = $existing_user_data ? $existing_user_data : [];
  foreach ($field_groups['field_groups'] as $group => $group_setting) {
    if (!empty($form_state
      ->getValue('profile_privacy'))) {
      $profile_privacy_values = $form_state
        ->getValue('profile_privacy');
      if (isset($profile_privacy_values[$group . '_visible'])) {
        $data[$group] = (bool) $profile_privacy_values[$group . '_visible'];
      }
    }
    else {
      if ($form_state
        ->getValue($group . '_visible') !== NULL) {
        $data[$group] = (bool) $form_state
          ->getValue($group . '_visible');
      }
    }
  }
  $user_data
    ->set('social_profile_privacy', $uid, 'private_info', $data);
}

/**
 * Returns fields the names that marked as hidden.
 *
 * @param int $uid
 *   Identifier of a user.
 *
 * @return array
 *   Array with the names of fields that marked as hidden.
 */
function social_profile_privacy_private_fields_list($uid) {
  $fields =& drupal_static(__FUNCTION__, []);
  if (isset($fields[$uid])) {
    return $fields[$uid];
  }
  $user_data = \Drupal::service('user.data');
  $values = $user_data
    ->get('social_profile_privacy', $uid, 'private_info');
  $config = \Drupal::config('social_profile_privacy.settings');
  $form_display = \Drupal::entityTypeManager()
    ->getStorage('entity_form_display')
    ->load('profile.profile.default');
  if (!$form_display) {
    return [];
  }
  $third_party_settings = $form_display
    ->get('third_party_settings');
  $field_groups_privacy_configurable = [];
  $settings_forms = social_profile_privacy_get_settings_forms();
  foreach ($settings_forms as $settings_form_id => $settings) {
    $field_groups_in_settings_form = $config
      ->get($settings_form_id . '_field_groups');
    if ($field_groups_in_settings_form !== NULL) {
      foreach ($field_groups_in_settings_form as $field_group_id => $field_group_value) {
        if ($field_group_value != FALSE) {
          $field_groups_privacy_configurable[$field_group_id] = $field_group_value;
        }
      }
    }
  }
  if (isset($third_party_settings['field_group'])) {
    $fields[$uid] = [];
    foreach ($third_party_settings['field_group'] as $id => $data) {
      if (isset($values[$id]) && empty($values[$id])) {

        // Only add field if it is enabled in one of the configurations.
        if (in_array($id, $field_groups_privacy_configurable)) {
          $fields[$uid] = array_merge($fields[$uid], $data['children']);
        }
      }
    }
  }
  return $fields[$uid];
}

/**
 * Implements hook_entity_field_access().
 */
function social_profile_privacy_entity_field_access($operation, FieldDefinitionInterface $field_definition, AccountInterface $account, FieldItemListInterface $items = NULL) {
  if ($operation == 'view' && $field_definition
    ->getTargetEntityTypeId() == 'profile' && $items !== NULL) {
    $uid = $items
      ->getEntity()
      ->get('uid')->target_id;
    $fields = social_profile_privacy_private_fields_list($uid);

    // If owner.
    $access = $uid == $account
      ->id();

    // If field is not hidden.
    $access = $access || !in_array($field_definition
      ->getName(), $fields);

    // If user has access to view hidden fields.
    $access = $access || $account
      ->hasPermission('social profile privacy view hidden fields');
    $access_result = AccessResult::forbiddenIf(!$access);
    return $access_result
      ->cachePerUser();
  }
  return AccessResult::neutral();
}

/**
 * Get the list of settings forms which support our profile privacy config.
 *
 * @return array
 *   Returns an array containing the settings form.
 */
function social_profile_privacy_get_settings_forms() {
  return [
    'user_form_display' => [
      'name' => t('user form'),
      'entity_type' => 'user',
      'bundle' => 'user',
    ],
    'profile_form_display' => [
      'name' => t('profile form'),
      'entity_type' => 'profile',
      'bundle' => 'profile',
    ],
  ];
}

/**
 * Get the list of privacy field groups enabled for the given form state.
 *
 * @param \Drupal\Core\Form\FormStateInterface $form_state
 *   The form state.
 * @param \Drupal\Core\Config\ImmutableConfig $config
 *   The config.
 *
 * @return array|null
 *   Returns an array with the settings form id and field groups or NULL.
 */
function social_profile_privacy_get_field_groups_for_form_state(FormStateInterface $form_state, ImmutableConfig $config) {
  $storage = $form_state
    ->getStorage();
  if (isset($storage['form_display'])) {

    /** @var \Drupal\Core\Entity\Entity\EntityFormDisplay $form_display */
    $form_display = $storage['form_display'];
    $active_form_display_id = $form_display
      ->getOriginalId();
    $settings_forms = social_profile_privacy_get_settings_forms();
    foreach ($settings_forms as $settings_form_id => $settings_form) {
      if ($config
        ->get($settings_form_id) === $active_form_display_id) {
        $field_groups = $config
          ->get($settings_form_id . '_field_groups');
        if (!empty($field_groups)) {
          return [
            'settings_form_id' => $settings_form_id,
            'field_groups' => $field_groups,
          ];
        }
      }
    }
  }
  return NULL;
}

/**
 * Returns array keyed with form display id and form mode label.
 *
 * @param string $entity_type_id
 *   Entity type id.
 * @param string $bundle
 *   Entity bundle.
 *
 * @return array
 *   Array with options prepared to use in the "select" form element.
 */
function social_profile_privacy_form_display_options($entity_type_id, $bundle) {
  $entity_type_manager = \Drupal::entityTypeManager();
  $options = [
    "{$entity_type_id}.{$bundle}.default" => t('Default'),
  ];
  $form_displays = $entity_type_manager
    ->getStorage('entity_form_display')
    ->loadByProperties([
    'targetEntityType' => $entity_type_id,
    'bundle' => $bundle,
    'status' => TRUE,
  ]);
  foreach ($form_displays as $id => $form_display) {
    $form_modes = $entity_type_manager
      ->getStorage('entity_form_mode')
      ->loadByProperties([
      'id' => $entity_type_id . '.' . $form_display
        ->getMode(),
      'status' => TRUE,
    ]);
    if ($form_mode = current($form_modes)) {
      $options[$id] = $form_mode
        ->label();
    }
  }
  return $options;
}

/**
 * Get the field group options to be used by the module.
 *
 * @return array
 *   Returns an array with the field groups.
 */
function social_profile_privacy_form_field_group_options() {
  $field_groups = [];

  /** @var \Drupal\Core\Entity\Entity\EntityFormDisplay $form_mode */
  $default_profile_form_display = \Drupal::entityTypeManager()
    ->getStorage('entity_form_display')
    ->load('profile.profile.default');
  if ($default_profile_form_display && ($third_party_settings = $default_profile_form_display
    ->get('third_party_settings')) && !empty($third_party_settings['field_group'])) {
    $field_groups = array_map(function ($group) {
      return $group['label'];
    }, $third_party_settings['field_group']);
  }
  if (isset($field_groups['group_profile_names_image'])) {
    unset($field_groups['group_profile_names_image']);
  }
  return $field_groups;
}
Functions

Name	Description
social_profile_privacy_admin_settings_form_ajax	Ajax callback for social_profile_admin_settings_form().
social_profile_privacy_admin_settings_form_submit	The submit function for social_profile_admin_settings_form().
social_profile_privacy_entity_field_access	Implements hook_entity_field_access().
social_profile_privacy_form_alter	Implements hook_form_alter().
social_profile_privacy_form_display_options	Returns array keyed with form display id and form mode label.
social_profile_privacy_form_field_group_options	Get the field group options to be used by the module.
social_profile_privacy_form_social_profile_admin_settings_form_alter	Implements hook_form_FORM_ID_alter().
social_profile_privacy_get_field_groups_for_form_state	Get the list of privacy field groups enabled for the given form state.
social_profile_privacy_get_settings_forms	Get the list of settings forms which support our profile privacy config.
social_profile_privacy_private_fields_list	Returns fields the names that marked as hidden.
social_profile_privacy_profile_form_submit	Additional submit function to save settings of hidden fields.
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social_profile_privacy.module in Open Social 8

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