PHP nggdb::add_gallery方法代码示例

 /**
  * nggAdmin::import_gallery()
  * TODO: Check permission of existing thumb folder & images
  *
  * @class nggAdmin
  * @param string $galleryfolder contains relative path to the gallery itself
  * @return void
  */
 static function import_gallery($galleryfolder, $gallery_id = NULL)
 {
     global $wpdb, $user_ID;
     // get the current user ID
     wp_get_current_user();
     $created_msg = '';
     // remove trailing slash at the end, if somebody use it
     $galleryfolder = untrailingslashit($galleryfolder);
     $fs = C_Fs::get_instance();
     if (is_null($gallery_id)) {
         $gallerypath = $fs->join_paths($fs->get_document_root('content'), $galleryfolder);
     } else {
         $storage = C_Gallery_Storage::get_instance();
         $gallerypath = $storage->get_gallery_abspath($gallery_id);
     }
     if (!is_dir($gallerypath)) {
         nggGallery::show_error(sprintf(__("Directory <strong>%s</strong> doesn&#96;t exist!", 'nggallery'), esc_html($gallerypath)));
         return;
     }
     // read list of images
     $new_imageslist = nggAdmin::scandir($gallerypath);
     if (empty($new_imageslist)) {
         nggGallery::show_message(sprintf(__("Directory <strong>%s</strong> contains no pictures", 'nggallery'), esc_html($gallerypath)));
         return;
     }
     // take folder name as gallery name
     $galleryname = basename($galleryfolder);
     $galleryname = apply_filters('ngg_gallery_name', $galleryname);
     // check for existing gallery folder
     if (is_null($gallery_id)) {
         $gallery_id = $wpdb->get_var("SELECT gid FROM {$wpdb->nggallery} WHERE path = '{$galleryfolder}' ");
     }
     if (!$gallery_id) {
         // now add the gallery to the database
         $gallery_id = nggdb::add_gallery($galleryname, $galleryfolder, '', 0, 0, $user_ID);
         if (!$gallery_id) {
             nggGallery::show_error(__('Database error. Could not add gallery!', 'nggallery'));
             return;
         } else {
             do_action('ngg_created_new_gallery', $gallery_id);
         }
         $created_msg = sprintf(_n("Gallery <strong>%s</strong> successfully created!", 'Galleries <strong>%s</strong> successfully created!', 1, 'nggallery'), esc_html($galleryname));
     }
     // Look for existing image list
     $old_imageslist = $wpdb->get_col("SELECT filename FROM {$wpdb->nggpictures} WHERE galleryid = '{$gallery_id}' ");
     // if no images are there, create empty array
     if ($old_imageslist == NULL) {
         $old_imageslist = array();
     }
     // check difference
     $new_images = array_diff($new_imageslist, $old_imageslist);
     // all images must be valid files
     foreach ($new_images as $key => $picture) {
         // filter function to rename/change/modify image before
         $picture = apply_filters('ngg_pre_add_new_image', $picture, $gallery_id);
         $new_images[$key] = $picture;
         if (!@getimagesize($gallerypath . '/' . $picture)) {
             unset($new_images[$key]);
             @unlink($gallerypath . '/' . $picture);
         }
     }
     // add images to database
     $image_ids = nggAdmin::add_Images($gallery_id, $new_images);
     do_action('ngg_after_new_images_added', $gallery_id, $image_ids);
     //add the preview image if needed
     nggAdmin::set_gallery_preview($gallery_id);
     // now create thumbnails
     nggAdmin::do_ajax_operation('create_thumbnail', $image_ids, __('Create new thumbnails', 'nggallery'));
     //TODO:Message will not shown, because AJAX routine require more time, message should be passed to AJAX
     $message = $created_msg . sprintf(_n('%s picture successfully added', '%s pictures successfully added', count($image_ids), 'nggallery'), count($image_ids));
     $message .= ' [<a href="' . admin_url() . 'admin.php?page=nggallery-manage-gallery&mode=edit&gid=' . $gallery_id . '" >';
     $message .= __('Edit gallery', 'nggallery');
     $message .= '</a>]';
     nggGallery::show_message($message);
     return;
 }

 /**
  * create a new gallery & folder
  * 
  * @class nggAdmin
  * @param string $name of the gallery
  * @param string $defaultpath
  * @param bool $output if the function should show an error messsage or not
  * @return 
  */
 function create_gallery($title, $defaultpath, $output = true)
 {
     global $user_ID;
     // get the current user ID
     get_currentuserinfo();
     //cleanup pathname
     $name = sanitize_file_name(sanitize_title($title));
     $name = apply_filters('ngg_gallery_name', $name);
     $nggRoot = WINABSPATH . $defaultpath;
     $txt = '';
     // No gallery name ?
     if (empty($name)) {
         if ($output) {
             nggGallery::show_error(__('No valid gallery name!', 'nggallery'));
         }
         return false;
     }
     // check for main folder
     if (!is_dir($nggRoot)) {
         if (!wp_mkdir_p($nggRoot)) {
             $txt = __('Directory', 'nggallery') . ' <strong>' . $defaultpath . '</strong> ' . __('didn\'t exist. Please create first the main gallery folder ', 'nggallery') . '!<br />';
             $txt .= __('Check this link, if you didn\'t know how to set the permission :', 'nggallery') . ' <a href="http://codex.wordpress.org/Changing_File_Permissions">http://codex.wordpress.org/Changing_File_Permissions</a> ';
             if ($output) {
                 nggGallery::show_error($txt);
             }
             return false;
         }
     }
     // check for permission settings, Safe mode limitations are not taken into account.
     if (!is_writeable($nggRoot)) {
         $txt = __('Directory', 'nggallery') . ' <strong>' . $defaultpath . '</strong> ' . __('is not writeable !', 'nggallery') . '<br />';
         $txt .= __('Check this link, if you didn\'t know how to set the permission :', 'nggallery') . ' <a href="http://codex.wordpress.org/Changing_File_Permissions">http://codex.wordpress.org/Changing_File_Permissions</a> ';
         if ($output) {
             nggGallery::show_error($txt);
         }
         return false;
     }
     // 1. Check for existing folder
     if (is_dir(WINABSPATH . $defaultpath . $name)) {
         $suffix = 1;
         do {
             $alt_name = substr($name, 0, 200 - (strlen($suffix) + 1)) . "_{$suffix}";
             $dir_check = is_dir(WINABSPATH . $defaultpath . $alt_name);
             $suffix++;
         } while ($dir_check);
         $name = $alt_name;
     }
     // define relative path to gallery inside wp root folder
     $nggpath = $defaultpath . $name;
     // 2. Create new gallery folder
     if (!wp_mkdir_p(WINABSPATH . $nggpath)) {
         $txt = __('Unable to create directory ', 'nggallery') . $nggpath . '!<br />';
     }
     // 3. Check folder permission
     if (!is_writeable(WINABSPATH . $nggpath)) {
         $txt .= __('Directory', 'nggallery') . ' <strong>' . $nggpath . '</strong> ' . __('is not writeable !', 'nggallery') . '<br />';
     }
     // 4. Now create thumbnail folder inside
     if (!is_dir(WINABSPATH . $nggpath . '/thumbs')) {
         if (!wp_mkdir_p(WINABSPATH . $nggpath . '/thumbs')) {
             $txt .= __('Unable to create directory ', 'nggallery') . ' <strong>' . $nggpath . '/thumbs !</strong>';
         }
     }
     if (SAFE_MODE) {
         $help = __('The server setting Safe-Mode is on !', 'nggallery');
         $help .= '<br />' . __('If you have problems, please create directory', 'nggallery') . ' <strong>' . $nggpath . '</strong> ';
         $help .= __('and the thumbnails directory', 'nggallery') . ' <strong>' . $nggpath . '/thumbs</strong> ' . __('with permission 777 manually !', 'nggallery');
         if ($output) {
             nggGallery::show_message($help);
         }
     }
     // show a error message
     if (!empty($txt)) {
         if (SAFE_MODE) {
             // for safe_mode , better delete folder, both folder must be created manually
             @rmdir(WINABSPATH . $nggpath . '/thumbs');
             @rmdir(WINABSPATH . $nggpath);
         }
         if ($output) {
             nggGallery::show_error($txt);
         }
         return false;
     }
     // now add the gallery to the database
     $galleryID = nggdb::add_gallery($title, $nggpath, '', 0, 0, $user_ID);
     // here you can inject a custom function
     do_action('ngg_created_new_gallery', $galleryID);
     // return only the id if defined
     if ($output == false) {
         return $galleryID;
     }
//.........这里部分代码省略.........

 /**
  * nggAdmin::old_import_gallery()
  * TODO: Check permission of existing thumb folder & images
  * Use is not recommended!
  * 
  * @class nggAdmin
  * @param string $galleryfolder contains relative path to the gallery itself
  * @return void
  */
 static function old_import_gallery($galleryfolder)
 {
     global $wpdb, $user_ID;
     // get the current user ID
     get_currentuserinfo();
     $created_msg = '';
     // remove trailing slash at the end, if somebody use it
     $galleryfolder = untrailingslashit($galleryfolder);
     $gallerypath = WINABSPATH . $galleryfolder;
     if (!is_dir($gallerypath)) {
         nggGallery::show_error(__('Directory', 'nggallery') . ' <strong>' . esc_html($gallerypath) . '</strong> ' . __('doesn&#96;t exist!', 'nggallery'));
         return;
     }
     // read list of images
     $new_imageslist = nggAdmin::scandir($gallerypath);
     if (empty($new_imageslist)) {
         nggGallery::show_message(__('Directory', 'nggallery') . ' <strong>' . esc_html($gallerypath) . '</strong> ' . __('contains no pictures', 'nggallery'));
         return;
     }
     // check & create thumbnail folder
     if (!nggGallery::get_thumbnail_folder($gallerypath)) {
         return;
     }
     // take folder name as gallery name
     $galleryname = basename($galleryfolder);
     $galleryname = apply_filters('ngg_gallery_name', $galleryname);
     // check for existing gallery folder
     $gallery_id = $wpdb->get_var("SELECT gid FROM {$wpdb->nggallery} WHERE path = '{$galleryfolder}' ");
     if (!$gallery_id) {
         // now add the gallery to the database
         $gallery_id = nggdb::add_gallery($galleryname, $galleryfolder, '', 0, 0, $user_ID);
         if (!$gallery_id) {
             nggGallery::show_error(__('Database error. Could not add gallery!', 'nggallery'));
             return;
         }
         $created_msg = __('Gallery', 'nggallery') . ' <strong>' . esc_html($galleryname) . '</strong> ' . __('successfully created!', 'nggallery') . '<br />';
     }
     // Look for existing image list
     $old_imageslist = $wpdb->get_col("SELECT filename FROM {$wpdb->nggpictures} WHERE galleryid = '{$gallery_id}' ");
     // if no images are there, create empty array
     if ($old_imageslist == NULL) {
         $old_imageslist = array();
     }
     // check difference
     $new_images = array_diff($new_imageslist, $old_imageslist);
     // all images must be valid files
     foreach ($new_images as $key => $picture) {
         // filter function to rename/change/modify image before
         $picture = apply_filters('ngg_pre_add_new_image', $picture, $gallery_id);
         $new_images[$key] = $picture;
         if (!@getimagesize($gallerypath . '/' . $picture)) {
             unset($new_images[$key]);
             @unlink($gallerypath . '/' . $picture);
         }
     }
     // add images to database
     $image_ids = nggAdmin::add_Images($gallery_id, $new_images);
     //add the preview image if needed
     nggAdmin::set_gallery_preview($gallery_id);
     // now create thumbnails
     nggAdmin::do_ajax_operation('create_thumbnail', $image_ids, __('Create new thumbnails', 'nggallery'));
     //TODO:Message will not shown, because AJAX routine require more time, message should be passed to AJAX
     $message = $created_msg . count($image_ids) . __(' picture(s) successfully added', 'nggallery');
     $message .= ' [<a href="' . admin_url() . 'admin.php?page=nggallery-manage-gallery&mode=edit&gid=' . $gallery_id . '" >';
     $message .= __('Edit gallery', 'nggallery');
     $message .= '</a>]';
     nggGallery::show_message($message);
     return;
 }