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Custom Upload Dir

ulfben Mar 23rd, 2019 76 Never
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  1. //at init:
  2. add_filter('wp_handle_upload_prefilter', 'cud_pre_upload');
  3.  
  4. // Called once for each uploaded file.
  5. function cud_pre_upload($file){
  6.     [...]
  7.     add_filter('upload_dir', 'cud_custom_upload_dir');
  8.     return $file;
  9. }
  10.  
  11. function cud_custom_upload_dir($path){     
  12.     if(!empty($path['error'])) { return $path; } //error; do nothing.  
  13.     $customdir = cud_generate_path();
  14.     $path['path']    = str_replace($path['subdir'], '', $path['path']); //remove default subdir (year/month)
  15.     $path['url']     = str_replace($path['subdir'], '', $path['url']);     
  16.     $path['subdir']  = $customdir;
  17.     $path['path']   .= $customdir;
  18.     $path['url']    .= $customdir; 
  19.     return $path;
  20. }
  21.  
  22. function cud_generate_path(){  
  23.     global $post, $post_id, $current_user, $cud_file_ext, $cud_file_type, $cud_rpc_id; 
  24.     $post_id = (!empty($post_id) ? $post_id : (!empty($_REQUEST['post_id']) ? $_REQUEST['post_id'] : (!empty($cud_rpc_id) ? $cud_rpc_id : '')));
  25.     $my_post;
  26.     if(empty($post) || (!empty($post) && is_numeric($post_id) && $post_id != $post->ID)){
  27.         $my_post = get_post($post_id);
  28.     }  
  29.     $customdir = = get_option('custom_upload_dir_template');
  30.    
  31.     //defaults
  32.     $user_id = $post_type = $post_name = $author = '';
  33.     $time = (!empty($_SERVER['REQUEST_TIME'])) ? $_SERVER['REQUEST_TIME'] : (time() + (get_option('gmt_offset')*3600));
  34.     $user_id = (is_user_logged_in() && !empty($current_user)) ? $current_user->ID : '';    
  35.     if(empty($user_id)){   
  36.         $current_user = wp_get_current_user();
  37.         if($current_user instanceof WP_User){
  38.             $user_id = $current_user->ID;
  39.         }
  40.     }
  41.     if(!empty($my_post)){      
  42.         $post_id = $my_post->ID;
  43.         $time = ($my_post->post_date == '0000-00-00 00:00:00') ? $time : strtotime($my_post->post_date);   
  44.         $post_type = $my_post->post_type;
  45.         $author = $my_post->post_author;
  46.         $post_name = (!empty($my_post->post_name)) ? $my_post->post_name : (!empty($my_post->post_title) ? sanitize_title($my_post->post_title) : $post_id);   
  47.     }else{     
  48.         $post_id = '';
  49.     }  
  50.    
  51.     $date = explode(" ", date('Y m d H i s', $time));          
  52.     $tags = array('%post_id%','%postname%','%post_type%','%year%','%monthnum%','%month%', '%day%','%hour%','%minute%','%second%', '%file_ext%', '%file_type%');
  53.     $replace = array($post_id, $post_name, $post_type, $date[0], $date[1], $date[1], $date[2], $date[3], $date[4], $date[5], $cud_file_ext, $cud_file_type);
  54.    
  55.     $customdir = str_replace($tags, $replace, $customdir); //do all cheap replacements in one go.
  56.     $customdir = str_replace('%permalink%',     cud_get_permalink($post_id),$customdir);
  57.     $customdir = str_replace('%author%',        cud_get_user_name($author), $customdir);
  58.     $customdir = str_replace('%author_role%',   cud_get_user_role($author), $customdir);
  59.     $customdir = str_replace('%current_user%',  cud_get_user_name($user_id),$customdir);
  60.     $customdir = str_replace('%parent_name%',   cud_get_parent_slug($my_post),  $customdir);   
  61.     $customdir = str_replace('%post_category%', cud_get_category_name($post_id),    $customdir);/*DEPRECATED SINCE 3.0.3*/
  62.     $customdir = str_replace('%post_categories%',cud_get_categories_name($post_id), $customdir);/*DEPRECATED SINCE 3.0.3*/
  63.                
  64.     //Now, let's deal with taxonomies (category, tags, custom) 
  65.     $matches = array();
  66.     if(preg_match_all('/%(.*?)%/s', $customdir, $matches) == true){
  67.         for($i = 0; $i < count($matches[0]); $i++){        
  68.             if(taxonomy_exists($matches[1][$i])){
  69.                 $customdir = str_replace($matches[0][$i], cud_get_taxonomies($post_id, $matches[1][$i]), $customdir);
  70.             }else{
  71.                 $customdir = str_replace($matches[0][$i], '', $customdir);
  72.             }
  73.         }
  74.     }  
  75.     $customdir = cud_leadingslashit($customdir); //for good measure.
  76.     $customdir = untrailingslashit($customdir);
  77.     while(strpos($customdir, '//') !== false){
  78.         $customdir = str_replace('//', '/', $customdir); //avoid duplicate slashes.
  79.     }  
  80.     return apply_filters('cud_generate_path', $customdir, $post_id);
  81. }
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