How Can I Organize the Uploads Folder by Slug (or ID, or FileType, or Author)?

3 comments

1. Disclaimer

   • Tracking the way to do the same using the post_id
   • Having already answered one question about separating PDF’s from the rest
   • Found disperse questions about this matter
   • Decided to adopt this Q as the venue to publish this.

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   Follow the instructions in the comments, and this code can be adapted to organize the uploads folder by post_name (aka: slug), post_author, post_id or media type.

   add_filter('wp_handle_upload_prefilter', 'wpse_25894_handle_upload_prefilter');
   add_filter('wp_handle_upload', 'wpse_25894_handle_upload');
   
   function wpse_25894_handle_upload_prefilter( $file )
   {
       add_filter('upload_dir', 'wpse_25894_custom_upload_dir');
       return $file;
   }
   
   function wpse_25894_handle_upload( $fileinfo )
   {
       remove_filter('upload_dir', 'wpse_25894_custom_upload_dir');
       return $fileinfo;
   }
   
   function wpse_25894_custom_upload_dir($path)
   {   
       /*
        * Determines if uploading from inside a post/page/cpt - if not, default Upload folder is used
        */
       $use_default_dir = ( isset($_REQUEST['post_id'] ) && $_REQUEST['post_id'] == 0 ) ? true : false; 
       if( !empty( $path['error'] ) || $use_default_dir )
           return $path; //error or uploading not from a post/page/cpt 
       
       /*
        * Save uploads in ID based folders 
        *
        */
       
       /*
        $customdir = '/' . $_REQUEST['post_id'];
       */
   
   
       /*
        * Save uploads in SLUG based folders 
        *
        */
       
        $the_post = get_post($_REQUEST['post_id']);
        $customdir = '/' . $the_post->post_name;
   
   
       /*
        * Save uploads in AUTHOR based folders 
        *
        * ATTENTION, CAUTION REQUIRED: 
        * This one may have security implications as you will be exposing the user names in the media paths
        * Here, the *display_name* is being used, but normally it is the same as *user_login*
        *
        * The right thing to do would be making the first/last name mandatories
        * And use:
        * $customdir = '/' . $the_author->first_name . $the_author->last_name;
        *
        */
       
       /* 
         $the_post = get_post($_REQUEST['post_id']);
         $the_author = get_user_by('id', $the_post->post_author);
         $customdir = '/' . $the_author->data->display_name;
       */
       
       
       /*
        * Save uploads in FILETYPE based folders 
        * when using this method, you may want to change the check for $use_default_dir
        *
        */
       
       /*
        $extension = substr( strrchr( $_POST['name'], '.' ), 1 );
        switch( $extension )
        {
           case 'jpg':
           case 'png':
           case 'gif':
               $customdir = '/images';
               break;
               
           case 'mp4':
           case 'm4v':
               $customdir = '/videos';
               break;
           
           case 'txt':
           case 'doc':
           case 'pdf':
               $customdir = '/documents';
               break;
        
           default:
               $customdir = '/others';
               break;
        }
       */
       
       $path['path']    = str_replace($path['subdir'], '', $path['path']); //remove default subdir (year/month)
       $path['url']     = str_replace($path['subdir'], '', $path['url']);      
       $path['subdir']  = $customdir;
       $path['path']   .= $customdir; 
       $path['url']    .= $customdir;  
   
       return $path;
   }
   

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2. The plugin Custom Upload Dir has this capability:

   [with] Custom Upload Dir […] you can construct paths from variables like post title, category, post author, post date and many more.

   _{::Screenshots::}
   

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3. For our internal webpage, we used the code from here and made it use the top level parent if the upload is from a page. Since it is internal, we didn’t care about the username being visible. This allowed us to break up the uploads by something close to departments.

   function wpse_25894_custom_upload_dir( $path ) {   
       /*
        * Determine if uploading from inside a page - if not, use the username
        */
       if ( ( strpos( $_SERVER['HTTP_REFERER'], 'wp-admin/upload' ) !== false ) || 
           ( strpos( $_SERVER['HTTP_REFERER'], 'wp-admin/media-new' ) !== false ) ) 
       {  
           $current_user = wp_get_current_user();    
           $customdir = '/' . $current_user->user_login;   
       } else {
           $post = get_post( $_REQUEST['post_id'] );    
           /* 
            * If there is a parent page, then get the hierarchy array, 
            * reverse it and use the first one to get the top level parent
            */
           if ( $post->post_parent ) {
               $parent = array_reverse( get_post_ancestors( $post->ID ) );
               $first_parent = get_page( $parent[0] );
               $customdir  = '/' . $first_parent->post_name;
           }
           /* 
            * Check if it is not a page (post or attachment page)
            * If it is, then use the username
            */
           elseif (strcmp ( 'page', $page->type ) == false ) {
               $current_user = wp_get_current_user();    
               $customdir = '/' . $current_user->user_login;
           }
           /*
            * Otherwise it is a top level parent page and just use the page name
            */
           else {
               $the_post = get_post( $_REQUEST['post_id'] );
               $customdir = '/' . $the_post->post_name;
           }
       }
       // Format the variables into a useable path
       $path['path']    = str_replace( $path['subdir'], '', $path['path'] ); // Remove default subdir (year/month)
       $path['url']     = str_replace( $path['subdir'], '', $path['url'] );      
       $path['subdir']  = $customdir;
       $path['path']   .= $customdir; 
       $path['url']    .= $customdir;  
       return $path;
   }
   

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