/**
* Regenerate all the theme image paths in the database.
*
* @param ID_TEXT The theme we're searching in.
* @param ?array A map of languages (lang=>1) (NULL: find it in-function).
* @param ?ID_TEXT The theme we're storing in (NULL: same as $theme).
*/
function regen_theme_images($theme, $langs = NULL, $target_theme = NULL)
{
if (is_null($langs)) {
$langs = find_all_langs(true);
}
if (is_null($target_theme)) {
$target_theme = $theme;
}
$images = array_merge(find_images_do_dir($theme, 'images/', $langs), find_images_do_dir($theme, 'images_custom/', $langs));
foreach (array_keys($langs) as $lang) {
$existing = $GLOBALS['SITE_DB']->query_select('theme_images', array('id', 'path'), array('lang' => $lang, 'theme' => $target_theme));
foreach ($images as $id => $path) {
$found = false;
foreach ($existing as $e) {
if ($e['path'] == $path || $e['id'] == $id) {
$found = true;
break;
}
}
if (!$found) {
$nql_backup = $GLOBALS['NO_QUERY_LIMIT'];
$GLOBALS['NO_QUERY_LIMIT'] = true;
$correct_path = find_theme_image($id, false, true, $theme, $lang);
$GLOBALS['SITE_DB']->query_insert('theme_images', array('id' => $id, 'lang' => $lang, 'theme' => $target_theme, 'path' => $correct_path), false, true);
// race conditions
$GLOBALS['NO_QUERY_LIMIT'] = $nql_backup;
}
}
}
persistant_cache_delete('THEME_IMAGES');
}
/**
* Recursively find theme images under the specified details. Does not find custom theme images, as it doesn't check the DB.
*
* @param ID_TEXT The theme
* @param string The subdirectory to search under
* @param array A map (lang=>1) of the languages in the system, so the codes may be filtered out of the image codes in our result list
* @return array A map, theme-image-code=>URL
*/
function find_images_do_dir($theme, $subdir, $langs)
{
$full = ($theme == 'default' ? get_file_base() : get_custom_file_base()) . '/themes/' . filter_naughty($theme) . '/' . filter_naughty($subdir);
$out = array();
$_dir = @opendir($full);
if ($_dir !== false) {
while (false !== ($file = readdir($_dir))) {
if ($file != '.' && $file != '..') {
if (is_dir($full . $file)) {
$out = array_merge($out, find_images_do_dir($theme, $subdir . $file . '/', $langs));
} else {
$ext = substr($file, -4);
if ($ext == '.png' || $ext == '.gif' || $ext == '.jpg' || $ext == 'jpeg') {
$_file = explode('.', $file);
$_subdir = $subdir;
foreach (array_keys($langs) as $lang) {
$_subdir = str_replace('/' . $lang . '/', '/', $_subdir);
}
$_subdir = preg_replace('#(^|/)images(\\_custom)?/#', '', $_subdir);
$out[$_subdir . $_file[0]] = 'themes/' . rawurlencode($theme) . '/' . $subdir . rawurlencode($file);
}
}
}
}
closedir($_dir);
}
return $out;
}
