/**
* processes one uploaded file. Creates folders, moves files
*
* @global type $UNC_GALLERY
* @param type $i
* @param type $overwrite
* @return boolean
*/
function unc_uploads_process_file($i, $overwrite)
{
global $UNC_GALLERY;
if ($UNC_GALLERY['debug']) {
XMPP_ERROR_trace(__FUNCTION__, func_get_args());
}
$action = false;
//$_FILES(1) {
// ["userImage"]=> array(5) {
// ["name"]=> array(1) { [0]=> string(23) "2013-11-02 21.00.38.jpg" }
// ["type"]=> array(1) { [0]=> string(10) "image/jpeg" }
// ["tmp_name"]=> array(1) { [0]=> string(14) "/tmp/phptgNK2k" }
// ["error"]=> array(1) { [0]=> int(0) }
// ["size"]=> array(1) { [0]=> int(213485) }
// }
//}
// the FILE array from the server
if (isset($UNC_GALLERY['import'])) {
$type = 'import';
$F = $UNC_GALLERY['import'];
} else {
$type = 'upload';
$F = $UNC_GALLERY['upload_files'];
}
// get the current path of the temp name
if ($type == 'upload' && is_uploaded_file($F['tmp_name'][$i])) {
$sourcePath = $F['tmp_name'][$i];
} else {
if ($type == 'import' && is_file($F['tmp_name'][$i])) {
$sourcePath = $F['tmp_name'][$i];
} else {
return array('date' => false, 'action' => "Cannot find uploaded file {$F['tmp_name'][$i]}!");
}
}
// is there an error with the file?
if ($F["error"][$i] > 0) {
return array('date' => false, 'action' => "Unable to read the file, upload cancelled of file " . $F['name'][$i]);
}
// if there is an imagesize, we have a valid image
$image_check = getimagesize($F['tmp_name'][$i]);
if (!$image_check) {
return array('date' => false, 'action' => "Not image file, upload cancelled of file " . $F['name'][$i]);
}
// let's set variables for the currently uploaded file so we do not have to get the same data twice.
$UNC_GALLERY['upload_file_info'] = array('image_size' => $image_check, 'temp_name' => $F['tmp_name'][$i], 'type' => $type);
$original_width = $image_check[0];
$original_height = $image_check[1];
// let's make sure the image is not 0-size
if ($original_width == 0 || $original_height == 0) {
echo unc_display_errormsg("Image size {$F['name'][$i]} = 0");
return false;
}
// let's shrink only if we need to
if ($original_width == $UNC_GALLERY['thumbnail_height'] && $original_height == $UNC_GALLERY['thumbnail_height']) {
return array('date' => false, 'action' => "Image size {$F['name'][$i]} is smaller than thumbnail!");
}
// get imagetype
$exif_imagetype = $image_check[2];
if (!$exif_imagetype) {
return array('date' => false, 'action' => "Could not determine image type of file " . $F['name'][$i] . ", upload cancelled!");
}
$UNC_GALLERY['upload_file_info']['exif_imagetype'] = $exif_imagetype;
// get mime-type and check if it's in the list of valid ones
$mime_type = image_type_to_mime_type($exif_imagetype);
if (!isset($mime_type, $UNC_GALLERY['valid_filetypes'])) {
return array('date' => false, 'action' => "Invalid file type :" . $F["type"][$i]);
} else {
// get extension for optional resize
$extension = $UNC_GALLERY['valid_filetypes'][$mime_type];
}
$UNC_GALLERY['upload_file_info']['extension'] = $extension;
// we set the new filename of the image including extension so there is no guessing
$file_no_ext = pathinfo($F['name'][$i], PATHINFO_FILENAME);
$target_filename = $file_no_ext . "." . $extension;
$UNC_GALLERY['upload_file_info']['target_filename'] = $target_filename;
// we need the exif date to know when the image was taken
$date_str = unc_image_date($sourcePath);
if (!$date_str) {
return array('date' => false, 'action' => "Cannot read EXIF or IPCT of file {$sourcePath}");
}
$UNC_GALLERY['upload_file_info']['date_str'] = $date_str;
$date_check = date_create($date_str);
if (!$date_check) {
return array('date' => false, 'action' => "'{$date_str}' is invalid date in EXIF or IPCT");
}
// echo "File date is $date_str";
// create all the by-day folders
$date_obj = unc_date_folder_create($date_str);
// if it failed return back
if (!$date_obj) {
return array('date' => false, 'action' => "Could not create date folders!");
}
// get the upload directory
$dirPath = $UNC_GALLERY['upload_path'];
// let's make the path with system-specific dir. separators
$format = implode("/", array('Y', 'm', 'd'));
$date_str_folder = $date_obj->format($format);
// echo "Folder date is $date_str_folder<br>";
$target_subfolder = $dirPath . "/" . $UNC_GALLERY['photos'] . "/" . $date_str_folder;
$thumb_subfolder = $dirPath . "/" . $UNC_GALLERY['thumbnails'] . "/" . $date_str_folder;
$new_path = $target_subfolder . "/" . $target_filename;
$new_thumb_path = $thumb_subfolder . "/" . $target_filename;
// act on overwrite options
if ($overwrite == 'new' && file_exists($new_path)) {
return array('date' => false, 'action' => "skipped file {$target_filename}, already exists<br>");
} else {
if ($overwrite == 'existing' && !file_exists($new_path)) {
return array('date' => false, 'action' => "skipped file {$target_filename}, is new<br>");
} else {
if ($overwrite == 'existing' && file_exists($new_path)) {
unlink($new_path);
$action = 'overwritten';
} else {
if ($overwrite == 'all' && file_exists($new_path)) {
unlink($new_path);
$action = 'overwritten';
}
}
}
}
// finally, move the file
if ($UNC_GALLERY['picture_long_edge'] > 0) {
$resize_check = unc_import_image_resize($F['tmp_name'][$i], $new_path, $UNC_GALLERY['picture_long_edge'], $extension, $UNC_GALLERY['image_quality'], 'max_height');
if (!$resize_check) {
return array('date' => false, 'action' => "Could not resize {$F['name'][$i]} from {$F['tmp_name'][$i]} to {$new_path}");
}
} else {
if ($type == 'upload') {
$rename_chk = move_uploaded_file($F['tmp_name'][$i], $new_path);
} else {
// import
$rename_chk = copy($F['tmp_name'][$i], $new_path);
}
if (!$rename_chk) {
return array('date' => false, 'action' => "Could not move {$F['name'][$i]} from {$F['tmp_name'][$i]} to {$new_path}");
}
}
// chmod file to make sure it cannot be executed
$check_chmod = chmod($new_path, 0644);
if (!$check_chmod) {
return array('date' => false, 'action' => "Could not chmod 644 file {$new_path}");
}
// now make the thumbnail
$thumb_format = $UNC_GALLERY['thumbnail_format'];
$check = unc_import_image_resize($new_path, $new_thumb_path, $UNC_GALLERY['thumbnail_height'], $UNC_GALLERY['thumbnail_ext'], $UNC_GALLERY['thumbnail_quality'], $thumb_format);
if (!$check) {
return array('date' => false, 'action' => "Could not create the thumbnail for {$F['tmp_name'][$i]} / {$new_thumb_path}!");
} else {
if (!$action) {
$action = 'written';
}
}
$check_xmp = unc_image_info_write($new_path);
if (!$check_xmp) {
return array('date' => false, 'action' => "Could not write XMP/IPCT/EXIF data to file");
}
return array('date' => $date_str, 'action' => $target_filename . ": " . $action);
}
function unc_image_info_read($file_path)
{
global $UNC_GALLERY, $UNC_FILE_DATA, $wpdb;
if ($UNC_GALLERY['debug']) {
XMPP_ERROR_trace(__FUNCTION__, $file_path);
}
if (!file_exists($file_path)) {
if ($UNC_GALLERY['debug']) {
XMPP_ERROR_trigger("tried to read info for non-existing file!");
}
return false;
}
$folder_info = pathinfo($file_path);
$date_str = unc_tools_folder_date($folder_info['dirname']);
$date_path = str_replace("-", "/", $date_str);
$file_name = $folder_info['basename'];
$img_table_name = $wpdb->prefix . "unc_gallery_img";
$att_table_name = $wpdb->prefix . "unc_gallery_att";
$sql = "SELECT `att_group`, `att_name`, `att_value` FROM {$img_table_name}\r\n LEFT JOIN {$att_table_name} ON id=file_id\r\n WHERE file_name = '{$file_name}' AND file_time LIKE '{$date_str}%';";
$file_data = $wpdb->get_results($sql);
// TODO: check if the file exists 2x for sanity check, here or somewhere else
if (count($file_data) == 0) {
if ($UNC_GALLERY['debug']) {
XMPP_ERROR_trace("File not found in DB, reading from file");
}
$check = unc_image_info_write($file_path);
if (!$check) {
if ($UNC_GALLERY['debug']) {
XMPP_ERROR_trigger("could not write file data to database!");
}
}
$file_code = md5($date_path . "/" . $file_name . ".php");
return $UNC_FILE_DATA[$file_code];
}
$F = array();
foreach ($file_data as $D) {
$field = $D->att_name;
$group = $D->att_group;
$value = $D->att_value;
if ($group == 'default') {
if (isset($F[$field])) {
if (is_array($F[$field])) {
$F[$field][] = $value;
} else {
$F[$field] = array($F[$field], $value);
}
} else {
$F[$field] = $value;
}
} else {
if (isset($F[$group][$field])) {
if (is_array($F[$group][$field])) {
$F[$group][$field][] = $value;
} else {
$F[$group][$field] = array($F[$group][$field], $value);
}
} else {
$F[$group][$field] = $value;
}
}
}
if (count($F) == 0) {
if ($UNC_GALLERY['debug']) {
XMPP_ERROR_trigger("did not read any information from file!");
}
}
$file_code = md5($date_path . "/" . $file_name . ".php");
$UNC_FILE_DATA[$file_code] = $F;
return $F;
}
/**
* 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();
}
