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Matoeil avatar Drupal

How to compare the original file and replacing file to upload prior to the action of physical uploading?

za flag
Matoeil

Exploiting the file_save_upload functions options, i would like to give a different treatment to the file on media replace.

https://api.drupal.org/api/drupal/core%21modules%21file%21file.module/function/file_save_upload/8.6.x

  • if the new file to upload has the same uri than the existing, i would like to use FILE_EXISTS_REPLACE
  • if the new file to upload has a different URI, i would like to use FILE_EXISTS_RENAME

something like:

/**
 * Custom validate handler for media entity edit form submissions.
 */
function hook_validate($form, FormStateInterface $formState) {
  //if replacement file has same uri as original 
      $replacementFile = file_save_upload('replacement_file', $uploadValidators, $uploadDestination, 0, FileSystemInterface::EXISTS_RENAME);
  //else
       $replacementFile = file_save_upload('replacement_file', $uploadValidators, $uploadDestination, 0, FileSystemInterface::EXISTS_REPLACE);
}
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cn flag
Patrick Kenny
File Replace module replaces files, so it might give you an idea: https://www.drupal.org/project/file_replace
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