FileRepositoryInterface.php

Same filename in other branches
  1. 9 core/modules/file/src/FileRepositoryInterface.php
  2. 11.x core/modules/file/src/FileRepositoryInterface.php

Namespace

Drupal\file

File

core/modules/file/src/FileRepositoryInterface.php

View source
<?php

namespace Drupal\file;

use Drupal\Core\File\FileExists;

/**
 * Performs file system operations and updates database records accordingly.
 */
interface FileRepositoryInterface {
    
    /**
     * Writes a file to the specified destination and creates a file entity.
     *
     * @param string $data
     *   A string containing the contents of the file.
     * @param string $destination
     *   A string containing the destination URI. This must be a stream
     *   wrapper URI.
     * @param \Drupal\Core\File\FileExists|int $fileExists
     *   (optional) The replace behavior when the destination file already exists.
     *
     * @return \Drupal\file\FileInterface
     *   The file entity.
     *
     * @throws \Drupal\Core\File\Exception\FileException
     *   Thrown when there is an error writing to the file system.
     * @throws \Drupal\Core\File\Exception\FileExistsException
     *   Thrown when the destination exists and $replace is set to
     *   FileExists::Error.
     * @throws \Drupal\Core\File\Exception\InvalidStreamWrapperException
     *   Thrown when the destination is an invalid stream wrapper.
     * @throws \Drupal\Core\Entity\EntityStorageException
     *   Thrown when there is an error saving the file.
     *
     * @see \Drupal\Core\File\FileSystemInterface::saveData()
     */
    public function writeData(string $data, string $destination, FileExists|int $fileExists = FileExists::Rename) : FileInterface;
    
    /**
     * Copies a file to a new location and adds a file record to the database.
     *
     * This function should be used when manipulating files that have records
     * stored in the database. This is a powerful function that in many ways
     * performs like an advanced version of copy().
     * - Checks if $source and $destination are valid and readable/writable.
     * - If file already exists in $destination either the call will error out,
     *   replace the file or rename the file based on the $replace parameter.
     * - If the $source and $destination are equal, the behavior depends on the
     *   $replace parameter. FileExists::Replace will error out.
     *   FileExists::Rename will rename the file until the
     *   $destination is unique.
     * - Adds the new file to the files database. If the source file is a
     *   temporary file, the resulting file will also be a temporary file. See
     *   file_save_upload() for details on temporary files.
     *
     * @param \Drupal\file\FileInterface $source
     *   A file entity.
     * @param string $destination
     *   A string containing the destination that $source should be
     *   copied to. This must be a stream wrapper URI.
     * @param \Drupal\Core\File\FileExists|int $fileExists
     *   (optional) Replace behavior when the destination file already exists.
     *
     * @return \Drupal\file\FileInterface
     *   The file entity.
     *
     * @throws \Drupal\Core\File\Exception\FileException
     *   Thrown when there is an error writing to the file system.
     * @throws \Drupal\Core\File\Exception\FileExistsException
     *   Thrown when the destination exists and $replace is set to
     *   FileExists::Error.
     * @throws \Drupal\Core\File\Exception\InvalidStreamWrapperException
     *   Thrown when the destination is an invalid stream wrapper.
     * @throws \Drupal\Core\Entity\EntityStorageException
     *   Thrown when there is an error saving the file.
     *
     * @see \Drupal\Core\File\FileSystemInterface::copy()
     * @see hook_file_copy()
     */
    public function copy(FileInterface $source, string $destination, FileExists|int $fileExists = FileExists::Rename) : FileInterface;
    
    /**
     * Moves a file to a new location and update the file's database entry.
     *
     * - Checks if $source and $destination are valid and readable/writable.
     * - Performs a file move if $source is not equal to $destination.
     * - If file already exists in $destination either the call will error out,
     *   replace the file or rename the file based on the $replace parameter.
     * - Adds the new file to the files database.
     *
     * @param \Drupal\file\FileInterface $source
     *   A file entity.
     * @param string $destination
     *   A string containing the destination that $source should be moved
     *   to. This must be a stream wrapper URI.
     * @param \Drupal\Core\File\FileExists|int $fileExists
     *   (optional) The replace behavior when the destination file already exists.
     *
     * @return \Drupal\file\FileInterface
     *   The file entity.
     *
     * @throws \Drupal\Core\File\Exception\FileException
     *   Thrown when there is an error writing to the file system.
     * @throws \Drupal\Core\File\Exception\FileExistsException
     *   Thrown when the destination exists and $replace is set to
     *   FileExists::Error.
     * @throws \Drupal\Core\File\Exception\InvalidStreamWrapperException
     *   Thrown when the destination is an invalid stream wrapper.
     * @throws \Drupal\Core\Entity\EntityStorageException
     *   Thrown when there is an error saving the file.
     *
     * @see \Drupal\Core\File\FileSystemInterface::move()
     * @see hook_file_move()
     */
    public function move(FileInterface $source, string $destination, FileExists|int $fileExists = FileExists::Rename) : FileInterface;
    
    /**
     * Loads the first File entity found with the specified URI.
     *
     * @param string $uri
     *   The file URI.
     *
     * @return \Drupal\file\FileInterface|null
     *   The first file with the matched URI if found, NULL otherwise.
     */
    public function loadByUri(string $uri) : ?FileInterface;

}

Interfaces

Title Deprecated Summary
FileRepositoryInterface Performs file system operations and updates database records accordingly.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.