file_entity.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the file_entity module.
 */

use Drupal\Core\Entity\Entity\EntityFormDisplay;
use Drupal\views\Entity\View;

/**
 * Implements hook_schema().
 */
function file_entity_schema() {
  $schema['file_metadata'] = array(
    'description' => 'Cache images dimensions.',
    'fields' => array(
      'fid' => array(
        'description' => 'The {file_managed}.fid of the metadata.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'name' => array(
        'description' => "The name of the metadata (e.g. 'width').",
        'type' => 'varchar',
        'length' => '128',
        'not null' => TRUE,
      ),
      'value' => array(
        'description' => "The value of the metadata (e.g. '200px').",
        'type' => 'blob',
        'not null' => FALSE,
        'size' => 'big',
        'serialize' => TRUE,
      ),
    ),
    'primary key' => array('fid', 'name'),
    'foreign keys' => array(
      'file_managed' => array(
        'table' => 'file_managed',
        'columns' => array('fid' => 'fid'),
      ),
    ),
  );
  return $schema;
}

/**
 * Implements hook_install().
 */
function file_entity_install() {
  $type_storage_definition = \Drupal::service('entity_field.manager')->getFieldStorageDefinitions('file')['type'];
  \Drupal::entityDefinitionUpdateManager()->installFieldStorageDefinition('type', 'file', 'file_entity', $type_storage_definition);
  // Set permissions.
  $roles = user_roles();
  foreach ($roles as $rid => $role) {
    user_role_grant_permissions($rid, array('view files'));
  }

  // Classify existing files according to the currently defined file types.
  // Queue all files to be classified during cron runs using the Queue API.
  $queue = \Drupal::queue('file_entity_type_determine');
  $ids = \Drupal::entityQuery('file')
    ->execute();
  foreach ($ids as $id) {
    $queue->createItem($id);
  }

  // Warn users that existing files will not have a file type until the queue
  // has been processed.
  if ($queue->numberOfItems()) {
    drupal_set_message(t('Existing files must be classified according to the currently defined file types. These files have been queued for processing and will have their file type determined during cron runs.'));
  }

  // Disable the core files view.
  if ($view = View::load('files')) {
    $view->set('status', FALSE);
    $view->save();
  }
}

/**
 * Implements hook_uninstall().
 */
function file_entity_uninstall() {
  // Remove the added column to the core {file_managed} table.
  db_drop_field('file_managed', 'type');
}

/**
 * Update existing bogus entries for File types Document.
 */
function file_entity_update_8002(&$sandbox) {
  foreach (\Drupal::configFactory()->listAll('file_entity') as $config_name) {
    $config = \Drupal::configFactory()->getEditable($config_name);
    $config->set('mimetypes', str_replace("\r", "", $config->get('mimetypes')));
    $config->save();
  }
}

/**
 * Update entity form displays to use the new entity browser widget.
 */
function file_entity_update_8003() {

  /** @var \Drupal\Core\Entity\Entity\EntityFormDisplay $form_display */
  foreach (EntityFormDisplay::loadMultiple() as $form_display) {
    $components = $form_display->getComponents();

    $changed = FALSE;
    foreach ($components as $name => $options) {
      if (isset($options['type']) && $options['type'] == 'file_entity_browser') {
        $options['type'] = 'entity_browser_file';
        $form_display->setComponent($name, $options);
        $changed = TRUE;
      }
    }

    if ($changed) {
      $form_display->save();
    }
  }

}