Орхан Гасанлы

add_action("pre-plupload-upload-ui", "appendZipWrapper2UploadUI");
add_action("wp_ajax_createZIP", "createZipArchive");
add_action("wp_ajax_nopriv_createZIP", "createZipArchive");

function createZipArchive()
{ 
  global $wpdb; 
  $wpdb->show_errors();

  $isRemoveSrcNedded = true;

  $postTable = $wpdb->get_blog_prefix()."posts";
  $fileList = json_decode(preg_replace("#\\\\\"#", "\"", $_POST["fileList"]), true);  

  $parentPostID = get_posts
  (
    array
    (
      "post_type" => "attachment",
      "include" => $fileList[0] 
    )
  )[0]->post_parent;  

  $sqlQuery = "SELECT guid FROM ".$postTable." WHERE id IN (".implode(", ", $fileList).")";
  
  $queryResult = $wpdb->get_results($sqlQuery);

  $zipFileName = 
    "/tdoc".(new DateTime("", new DateTimeZone("Europe/Minsk")))->format("_Ymd_His").".zip";
   
  $path2Archive = wp_upload_dir()["path"].$zipFileName;

  $zip = new ZipArchive();
  $zip->open($path2Archive, ZipArchive::CREATE);  
  
  foreach($queryResult as $row)
  {   
    $path2File = $_SERVER["DOCUMENT_ROOT"].wp_make_link_relative($row->guid);   
    if(file_exists($path2File))
    {     
      $zip->addFile($path2File, basename($path2File));
    }
  }

  $result = $zip->close();

  $filetype = wp_check_filetype(basename($path2Archive), null);
  $wp_upload_dir = wp_upload_dir();
  $attachment = array(
    'guid'           => $wp_upload_dir['url'] . '/' . basename($path2Archive), 
    'post_mime_type' => $filetype['type'],
    'post_title'     => preg_replace( '/\.[^.]+$/', '', basename($path2Archive)),
    'post_content'   => '',
    'post_status'    => 'inherit'
  );
  $attach_id = wp_insert_attachment($attachment, $path2Archive, $parentPostID);
  $attach_data = wp_generate_attachment_metadata($attach_id, $path2Archive);
  wp_update_attachment_metadata($attach_id, $attach_data);

  if($isRemoveSrcNedded)
  {
    foreach($fileList as $currentAttacment)
    {
      wp_delete_attachment(intval($currentAttacment));          
    } 
    // file_put_contents(__DIR__."/item2del.txt", json_encode())
  }

  echo json_encode(["status" => $result, "filename" => basename($path2Archive)]);
  die();
}

function appendZipWrapper2UploadUI() 
{
    // if(!current_user_can("upload_files")){return}; 
  echo "
  <style>
  #waitImage
  {
    position: fixed;
    left: calc(50% - 64px);
    width: 128px;
    height: 16px;
    background-image: url(".get_template_directory_uri()."/images/waitImage.gif);
    top: calc(50% - 7px);
    z-index: 999999999999;
    display: none;
  }
  </style>
  <script>
  var zipManagerWrapper = '<button ' +
    'id=\"createZipBundle\" ' + 
    'style=\"margin-top:11px;margin-right:10px;width:100%;padding-left:2px;padding-right:2px;}\"' +
    'class=\"button button-primary\">Архивировать</button>' +
    '<div id=\"waitImage\"></div>',
    captionWrapper = document.querySelectorAll('.media-frame .media-toolbar:nth-child(1) .media-toolbar-secondary'),
    MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver,
    contentObserver = new MutationObserver(function(mutations)
    {
      mutations.forEach(function(mutation)
      { 
        if((mutation.type == 'childList') && (mutation.addedNodes.length != 0))
        {
          mutation.addedNodes.forEach(function(nodeItem)
          {
            if(nodeItem.childNodes)
            {
              nodeItem.childNodes.forEach(function(childItem)
              {
                if((childItem.nodeName == 'DIV') && (childItem.innerText.trim() == archiveName))
                {
                  // console.log(nodeItem.dataset.id);  
                  waitImage.style.display = 'none';
                  contentObserver.disconnect();
                  jQuery('li[data-id=\"' + nodeItem.dataset.id + '\"] .thumbnail').trigger('click');
                }
              });
            }         
          });       
        }     
      });
    }),
    observerOption = {childList: true, characterData: true, subtree: true, attributes: true};
  var waitImage,
    archiveName;
  
  if(captionWrapper.length == 1)
  { 
    var isItemExists = 
      document.querySelectorAll('#createZipBundle').length == 0 ? false : true;
    if(!isItemExists) 
    {
      captionWrapper[0].innerHTML = zipManagerWrapper + captionWrapper[0].innerHTML;    
      waitImage = document.getElementById('waitImage'); 
      jQuery('#createZipBundle').unbind();
      jQuery('#createZipBundle').bind('click', createZipBundleHandle);
    }   
  } 

  function createZipBundleHandle(event) 
  {
    event.preventDefault();
    var files2Zip = Array.prototype.filter.call
    (         
      captionWrapper[0].parentElement.parentElement
        .previousElementSibling.querySelectorAll('li'),
      function(item)
      {
        return /selected/.test(item.classList.value);
      }
    ).map
    (
      function(item)
      {       
        return item.dataset.id;
      }
    );
    console.log(JSON.stringify(files2Zip));

    if(files2Zip.length > 0)
    {
      waitImage.style.display = 'block';
      jQuery.ajax
      ({
        url: ajaxurl,
        method: 'POST',
        data:
        {
          action: 'createZIP',
          fileList: JSON.stringify(files2Zip)
        },
        success: function(data){console.log('Ответ от сервера');displayResult(data);},
        error: function(error)
        {
          waitImage.style.display = 'none';
          console.log('Что-то пошло не так');
          console.log(error);
        }
      });
    }     
  }
  
  function displayResult(data)
  {
    var target = document.querySelectorAll('.media-modal.-select .media-modal-content .media-frame-content .attachments-browser ul')[0];

    data = JSON.parse(data);
    archiveName = data.filename;
    
    contentObserver.observe(target, observerOption);
    // jQuery('#media-attachment-date-filters').trigger('change')
    wp.media.frame.state().get('library').props.set({ignore: (+ new Date())});
  }
  </script>";
}

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$paged = ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : 1;