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Question [Solved] Rename a file during upload with the post title

✦ Summarize Topic

How-to and Troubleshooting

Last Post by Asti 3 years ago

5 Posts

2 Users

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Posts: 3

Benn

Topic starter

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Jun 16, 2023 11:31 am

(@benn)

Active Member

Joined: 3 years ago

[#7428]

Hi,
I would like to rename the attached files of a comment (using the media uploader plugin) and use the title of the current post. So I created a snippet to add this code when the sanitize_file_name function is call.

But this doesn't work, it seems that I can't acces to the post, even if I use a global $post.

Do you have an idea ?

Thanks

function my_custom_file_name( $filename ) {
    $info = pathinfo( $filename );
    $ext  = empty( $info['extension'] ) ? '' : '.' . $info['extension'];
    $name = basename( $filename, $ext );

    if ( isset( $_REQUEST['post_id'] ) && is_numeric( $_REQUEST['post_id'] ) ) {
        $postObj  = get_post( $_REQUEST['post_id'] );
        $postSlug = sanitize_title( $postObj->post_title );
    }

    if ( isset( $postSlug ) && ! empty( $postSlug ) ) {
        $finalFileName = $postSlug;
    } // File name will be the same as the post slug.
    else {
        $finalFileName = sanitize_title( $name );
    } // File name will be the same as the image file name, but sanitized.

    return $finalFileName . $ext;
}

add_filter( 'sanitize_file_name', 'my_custom_file_name', 100 );

4 Replies

Posts: 3

Benn

Topic starter

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Jun 16, 2023 5:05 pm

(@benn)

Active Member

Joined: 3 years ago

New test : when I try to get the url of my page, I only get the base url of my domain, not the full url of my post...

Is it because the upload is done in js ?

global $wp;
$current_url = home_url( add_query_arg( array(), $wp->request ) );

3 Replies

Asti

Support

(@asti)

Joined: 8 years ago

Illustrious Member

Posts: 8210

Jun 19, 2023 12:08 pm

Reply to

Benn

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@benn,

The wp_insert_attachment function is used for inserting the attachments. The wp_insert_attachment calls the wp_insert_post function as well. So you should use those functions.

As far as the file uploading use the AJAX method you can't change the filename using the sanitize_file_name. The global post isn't accessible when the AJAX method is used for file uploading.

In case you want to say thank you! 🙂
We'd really appreciate if you leave a good review on the plugin page.
This is the best way to say thank you to this project and the support team.

Benn

(@benn)

Joined: 3 years ago

Active Member

Posts: 3

Jun 20, 2023 1:34 am

Reply to

Asti

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@asti Thank you for your answer and your explanation !

I finally use the add_attachment function and it works well !
Here is my code, if it could helps somebody.

add_action('add_attachment', 'rename_attachment');
function rename_attachment($post_ID){

    $file = get_attached_file($post_ID);
    $path = pathinfo($file);
        //dirname   = File Path
        //basename  = Filename.Extension
        //extension = Extension
        //filename  = Filename

    $post_title = get_the_title(get_post_parent($post_ID));
    $user = wp_get_current_user()->display_name;
    $newfilename = $user.'-'.$post_title;
    $newfile = $path['dirname'].'/myFolder/'.$newfilename.'.'.$path['extension'];

     // Update Wordpress 
     rename($file, $newfile);    
     update_attached_file( $post_ID, $newfile );

    // Update metadata
    $pathNewFile = pathinfo($newfile);
    $meta = wp_get_attachment_metadata($post_ID);
    $meta['file'] = str_replace( $path['basename'], $pathNewFile['basename'], $meta['file'] );
    wp_update_attachment_metadata( $post_ID, $meta );

    // Update media library post title
    $post = get_post($post_ID); 
    $post->post_title = $newfilename;
    wp_update_post( $post );


}

Asti

Support

(@asti)

Joined: 8 years ago

Illustrious Member

Posts: 8210

Jun 20, 2023 11:13 am

Reply to

Benn

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Thank you for sharing the information. We really appreciate it.

We're going to mark this topic as solved and close it.

Feel free to open a new topic if you have any other questions.

In case you want to say thank you! 🙂
We'd really appreciate if you leave a good review on the plugin page.
This is the best way to say thank you to this project and the support team.