file_replace.module in File Replace (D8) 8

File replace functionality.

File

file_replace.module

<?php

/**
 * @file
 * File replace functionality.
 */
use Drupal\file\FileInterface;

/**
 * Implements hook_entity_type_build().
 */
function file_replace_entity_type_build(array &$entity_types) {
  $entity_types['file']
    ->setFormClass('replace', 'Drupal\\file_replace\\Form\\FileReplaceForm');
  $entity_types['file']
    ->setLinkTemplate('replace-form', '/admin/content/files/replace/{file}');
}

/**
 * Implements hook_views_data().
 *
 * Views integration of file_replace.
 */
function file_replace_views_data() {
  $data['file_managed']['file_replace_link'] = [
    'field' => [
      'title' => t('Link to replace file'),
      'help' => t('Provide a link to replace the file.'),
      'id' => 'file_replace_link',
    ],
  ];
  return $data;
}

/**
 * Implements hook_file_replace().
 */
function file_replace_file_replace(FileInterface $file) {

  // Flush image cache.
  if (\Drupal::moduleHandler()
    ->moduleExists('image')) {
    if (explode('/', $file
      ->getMimeType())[0] == 'image') {

      /** @var \Drupal\image\Entity\ImageStyle[] $image_styles */
      $image_styles = \Drupal::entityTypeManager()
        ->getStorage('image_style')
        ->loadMultiple();
      foreach ($image_styles as $image_style) {
        $image_style
          ->flush($file
          ->getFileUri());
      }
    }
  }
}

Functions

Name	Description
file_replace_entity_type_build	Implements hook_entity_type_build().
file_replace_file_replace	Implements hook_file_replace().
file_replace_views_data	Implements hook_views_data().