function __perform_refresh_thumbnails_batch()
{
if ($this->_batchlimit > 0) {
$results = fetch_file_cache_rs('ITEM');
if ($results) {
while ($file_cache_r = db_fetch_assoc($results)) {
// its not a case of only a thumbnail, if not even the source exists
if (file_cache_get_cache_file($file_cache_r) !== FALSE && file_cache_get_cache_file_thumbnail($file_cache_r) === FALSE) {
// in this case we want to refresh the URL, so TRUE as last parameter idicates overwrite
if (file_cache_save_thumbnail_file($file_cache_r, $errors)) {
$this->_processed++;
} else {
$this->_failures++;
}
// don't process anymore this time around.
if ($this->_processed >= $this->_batchlimit) {
break;
}
}
}
db_free_result($results);
}
}
$this->_remaining = fetch_file_cache_missing_thumbs_cnt('ITEM');
}
$HTTP_VARS['order_by'] = 'cache_date';
}
$listingObject = new HTML_Listing($PHP_SELF, $HTTP_VARS);
$listingObject->setNoRowsMessage(get_opendb_lang_var('no_items_found'));
$listingObject->startListing();
$listingObject->addHeaderColumn('URL', 'url');
$listingObject->addHeaderColumn('Cached', 'cache_date');
$listingObject->addHeaderColumn('Expires', 'expire_date');
if (is_numeric($listingObject->getItemsPerPage())) {
$listingObject->setTotalItems(fetch_file_cache_cnt($HTTP_VARS['cache_type']));
}
$results = fetch_file_cache_rs($HTTP_VARS['cache_type'], $listingObject->getCurrentOrderBy(), $listingObject->getCurrentSortOrder(), $listingObject->getStartIndex(), $listingObject->getItemsPerPage());
if ($results) {
while ($file_cache_r = db_fetch_assoc($results)) {
$listingObject->startRow();
if (file_cache_get_cache_file($file_cache_r)) {
$popupUrl = "url.php?id=" . $file_cache_r['sequence_number'];
$listingObject->addColumn("<a href=\"" . $file_cache_r['url'] . "\" onclick=\"popup('{$popupUrl}'); return false;\" target=\"_new\">" . get_overflow_tooltip_column($file_cache_r['url'], 100) . "</a>");
} else {
$listingObject->addColumn(get_overflow_tooltip_column($file_cache_r['url'], 100));
}
$listingObject->addColumn(get_localised_timestamp(get_opendb_config_var('http', 'datetime_mask'), $file_cache_r['cache_date']));
$column = '';
if ($file_cache_r['expired_ind'] == 'Y') {
$column .= "<span class=\"error\">";
}
if ($file_cache_r['expire_date'] != NULL) {
$column .= get_localised_timestamp(get_opendb_config_var('http', 'datetime_mask'), $file_cache_r['expire_date']);
} else {
$column .= "NA";
}
function get_cached_image($url)
{
$file_cache_r = fetch_url_file_cache_r($url, 'ITEM', INCLUDE_EXPIRED);
if ($file_cache_r != FALSE) {
//$imagefile = file_cache_get_cache_file_thumbnail($file_cache_r);
$imagefile = file_cache_get_cache_file($file_cache_r);
if ($imagefile != FALSE) {
return $imagefile;
}
}
//else
return NULL;
}
function &fetchURI($URI, $http_cache = TRUE)
{
@set_time_limit(600);
$URI = trim($URI);
$this->__debug('fetchURI', "URI: {$URI}");
$this->_file_cache_r = NULL;
$overwrite_cache_entry = FALSE;
if ($http_cache !== FALSE && $this->_file_cache_enabled) {
// see if we can find the cache file.
$this->_file_cache_r = fetch_url_file_cache_r($URI, 'HTTP');
if ($this->_file_cache_r !== FALSE) {
$file_location = file_cache_get_cache_file($this->_file_cache_r);
if ($file_location !== FALSE) {
$this->_file_cache_r['content'] = file_get_contents($file_location);
if (strlen($this->_file_cache_r['content']) == 0) {
$this->__debug('fetchURI', 'URL cache invalid');
$overwrite_cache_entry = TRUE;
unset($this->_file_cache_r);
}
} else {
unset($this->_file_cache_r);
}
}
}
if (is_not_empty_array($this->_file_cache_r)) {
$this->__debug('fetchURI', 'URL cached');
return $this->_file_cache_r['content'];
} else {
$this->__debug('fetchURI', 'URL NOT cached');
if ($this->fetch($URI) && $this->status >= 200 && $this->status < 300) {
opendb_logger(OPENDB_LOG_INFO, __FILE__, __FUNCTION__, NULL, array($URI));
$this->_file_cache_r['url'] = $URI;
$this->_file_cache_r['content'] = $this->results;
$this->results = NULL;
if (strlen($this->_file_cache_r['content']) > 0) {
$this->__debug('fetchURI', 'URL fetched (Size=' . strlen($this->_file_cache_r['content']) . ')');
// assume a default.
$this->_file_cache_r['content_type'] = 'text/html';
if (is_array($this->headers) && count($this->headers) > 0) {
for ($i = 0; $i < count($this->headers); $i++) {
if (preg_match("/^([^:]*):([^\$]*)\$/i", $this->headers[$i], $matches)) {
if (strcasecmp(trim($matches[1]), 'content-type') === 0) {
$this->_file_cache_r['content_type'] = trim($matches[2]);
break;
}
}
}
}
$this->_file_cache_r['location'] = $this->lastredirectaddr;
if ($http_cache !== FALSE && $this->_file_cache_enabled) {
if (file_cache_insert_file($this->_file_cache_r['url'], $this->_file_cache_r['location'], $this->_file_cache_r['content_type'], $this->_file_cache_r['content'], 'HTTP', $overwrite_cache_entry) !== FALSE) {
$this->__debug('fetchURI', "Added {$URI} to file cache");
} else {
$this->__debug('fetchURI', "Failed to add {$URI} to file cache");
}
}
//if($http_cache!==FALSE && $this->_file_cache_enabled)
}
//if(strlen($_file_cache_r['content'])>0)
return $this->_file_cache_r['content'];
} else {
$this->__debug('fetchURI', "Failed to fetch {$URI}", ifempty($this->error, 'Status ' . $this->status));
opendb_logger(OPENDB_LOG_ERROR, __FILE__, __FUNCTION__, ifempty($this->error, 'Status ' . $this->status), array($URI));
return FALSE;
}
}
}
function file_cache_delete_orphans($cache_type = 'HTTP')
{
$results = fetch_file_cache_rs($cache_type);
if ($results) {
while ($file_cache_r = db_fetch_assoc($results)) {
// where file does not exist, delete it.
if (!file_cache_get_cache_file($file_cache_r)) {
delete_file_cache($file_cache_r);
}
}
}
return TRUE;
}
