svg_image.install in Svg Image 8

Contains install/update/delete functions and hooks.

File

svg_image.install

<?php

/**
 * @file
 * Contains install/update/delete functions and hooks.
 */

/**
 * Implements hook_uninstall().
 */
function svg_image_uninstall() {
  $moduleName = 'svg_image';
  $configManager = \Drupal::getContainer()
    ->get('config.manager');
  $configFactory = $configManager
    ->getConfigFactory();

  // We need to clear only few config values.
  $svgImageConfigs = [
    'svg_render_as_image',
    'svg_attributes',
  ];
  $dependentConfigs = $configManager
    ->findConfigEntityDependents('module', [
    'svg_image',
  ]);

  // Clear all dependent configs, set standard Image as a dependency and clear
  // SVG Image related field properties.
  foreach ($dependentConfigs as $config) {
    $name = $config
      ->getConfigDependencyName();
    $editableConfig = $configFactory
      ->getEditable($name);
    $configData = $editableConfig
      ->getRawData();
    $dependencyKey = array_search($moduleName, $configData['dependencies']['module']);
    $configData['dependencies']['module'][$dependencyKey] = 'image';

    // Delete SVG Image dependent configs.
    foreach ($svgImageConfigs as $svgImageConfig) {
      if (!empty($configData['settings']) && array_key_exists($svgImageConfig, $configData['settings'])) {
        unset($configData['settings'][$svgImageConfig]);
      }
    }
    $editableConfig
      ->setData($configData)
      ->save(TRUE);
  }
  $allFieldsConfigs = $configFactory
    ->listAll('field.field');
  $changedFields = [];
  foreach ($allFieldsConfigs as $fieldConfig) {
    $editableConfig = $configFactory
      ->getEditable($fieldConfig);
    if ($editableConfig
      ->get('field_type') === 'image') {
      $availableExtensions = explode(' ', $editableConfig
        ->get('settings.file_extensions'));
      $svgExtensionPosition = array_search('svg', $availableExtensions, TRUE);
      if ($svgExtensionPosition !== FALSE) {
        unset($availableExtensions[$svgExtensionPosition]);
        $editableConfig
          ->set('settings.file_extensions', implode(' ', $availableExtensions))
          ->save();
        $changedFields[] = $editableConfig
          ->get('field_name');
      }
    }
  }

  // Notice user about the changes that we has done.
  if (!empty($changedFields)) {
    $message = t('SVG was removed from the allowed extensions list in fields: @field_list.', [
      '@field_list' => implode(', ', $changedFields),
    ]);
    \Drupal::messenger()
      ->addWarning($message);
  }
}

Functions

Name	Description
svg_image_uninstall	Implements hook_uninstall().