/**
* Recursively scan directories and make a list of the deepest folders
*
* @global type $TMP_FOLDERS
* @param type $base_folder
* @return type
*/
function unc_tools_recurse_folders($base_folder)
{
global $TMP_FOLDERS, $UNC_GALLERY;
// if ($UNC_GALLERY['debug']) {XMPP_ERROR_trace(__FUNCTION__);}
if (strpos($base_folder, './')) {
die("Error, recursive path! {$base_folder}");
}
$has_subfolder = false;
if (!file_exists($base_folder)) {
if ($UNC_GALLERY['debug']) {
XMPP_ERROR_trace("Base folder does not exist: ", $base_folder);
}
return false;
}
foreach (glob($base_folder . "/*") as $folder) {
// found a sub-folder, go deeper
if (is_dir($folder)) {
unc_tools_recurse_folders($folder);
$has_subfolder = true;
}
}
if (!$has_subfolder) {
$path_arr = explode("/", $base_folder);
$date_elements = array_slice($path_arr, -3, 3);
$date_string = implode("/", $date_elements);
$TMP_FOLDERS[$date_string] = $base_folder;
}
return $TMP_FOLDERS;
}
/**
* build the missing data
*
* @global type $UNC_GALLERY
*/
function unc_gallery_admin_rebuild_data()
{
global $UNC_GALLERY, $wpdb;
if ($UNC_GALLERY['debug']) {
XMPP_ERROR_trace(__FUNCTION__, func_get_args());
}
ob_clean();
$max_time = ini_get('max_execution_time');
if (!current_user_can('manage_options')) {
echo "Cannot rebuild data, you are not admin!";
wp_die();
}
$dirPath = $UNC_GALLERY['upload_path'];
// let's count the number of files in the database so
// we get an image how much work is to do
$count_files_sql = "SELECT count(id) AS counter FROM " . $wpdb->prefix . "unc_gallery_img;";
$file_counter = $wpdb->get_results($count_files_sql, 'ARRAY_A');
$count = $file_counter[0]['counter'];
// get the Process ID for the Ajax live update
$process_id = filter_input(INPUT_POST, 'process_id');
// send the first update
$process_step_id = unc_tools_progress_update($process_id, "Cleared existing data");
// TODO Check where do we delete empty folders?
// unc_tools_folder_delete_empty($data_folder);
// iterate all image folders
$photo_folder = $dirPath . "/" . $UNC_GALLERY['photos'];
$target_folders = unc_tools_recurse_folders($photo_folder);
// calculate progress update percentages
$overall_one_percent = 100 / $count;
$overall_percentage = 0;
$text = '';
foreach ($target_folders as $date => $folder) {
$process_step_id++;
$text = "Processing {$date}: <span class=\"file_progress\" style=\"width:0%\">0 %</span>";
$process_step_id = unc_tools_progress_update($process_id, $text, $overall_percentage);
// iterate all files in a folder, write file info to DB
$folder_files = glob($folder . "/*");
$folder_file_count = count($folder_files);
$file_one_percent = 100 / $folder_file_count;
$folder_percentage = 0;
foreach ($folder_files as $image_file) {
if (!is_dir($image_file)) {
// TODO: ERror in case the info cannot be written
unc_image_info_write($image_file);
$folder_percentage += $file_one_percent;
$overall_percentage += $overall_one_percent;
}
$folder_percentage_text = intval($folder_percentage);
$text = "Processing {$date}: <span class=\"file_progress\" style=\"width:{$folder_percentage_text}%\">{$folder_percentage_text} %</span>";
unc_tools_progress_update($process_id, $text, $overall_percentage, $process_step_id);
}
$text = "Processing {$date}: <span class=\"file_progress\" style=\"width:100%\">100 %</span>";
unc_tools_progress_update($process_id, $text, $overall_percentage, $process_step_id);
}
unc_tools_progress_update($process_id, "Done!", 100);
// this signals to the JS function that we can terminate the process_get loop
unc_tools_progress_update($process_id, false);
wp_die();
}
