$tmp = $export_more;
unset($tmp['viewer_id']);
$fingerprint = md5(serialize($tmp));
$filename = "{$sheet['id']}_{$is_own}_{$fingerprint}.{$format}";
$cache_more = array('filename' => $filename);
$cache_path = export_cache_path_for_sheet($sheet, $cache_more);
#
$cache_ok = 1;
if (!file_exists($cache_path)) {
$cache_ok = 0;
}
#
if ($cache_ok) {
$export = $cache_path;
} else {
$export = export_dots($sheet['dots'], $format, $export_more);
if ($export) {
$cache_rsp = export_cache_store_file($export, $cache_path);
if ($cache_rsp['ok']) {
unlink($export);
$export = $cache_rsp['path'];
}
}
}
}
# sad face
if (!$export) {
error_500();
}
# now send the file to the browser
$send_more = array('path' => $export, 'mimetype' => $map[$format], 'filename' => "dotspotting-sheet-{$sheet['id']}.{$format}", 'inline' => get_str('inline'), 'x-headers' => array('Sheet-ID' => $sheet['id'], 'Sheet-Label' => $sheet['label'], 'Sheet-Extent' => $bbox));
} else {
$owner_ids = array_keys($owner_ids);
$sheet_ids = array_keys($sheet_ids);
$sheet = sheets_get_sheet($sheet_ids[0]);
$is_own = $owner_ids[0] == $GLOBALS['cfg']['user']['id'] ? 1 : 0;
$tmp = $export_more;
$tmp['dot_ids'] = $dot_ids;
unset($tmp['viewer_id']);
$fingerprint = md5(serialize($tmp));
$filename = "{$sheet['id']}_{$is_own}_{$fingerprint}.{$format}";
$cache_more = array('filename' => $filename);
$cache_path = export_cache_path_for_sheet($sheet, $cache_more);
if (file_exists($cache_path)) {
$export = $cache_path;
} else {
$export = export_dots($dots, $format, $export_more);
if ($export) {
$cache_rsp = export_cache_store_file($export, $cache_path);
if (!$cache_rsp['ok']) {
# log an error...
}
}
}
}
if (!$export) {
error_500();
}
# go!
$send_more = array('path' => $export, 'mimetype' => $map[$format], 'filename' => "dotspotting-search.{$format}", 'inline' => get_str('inline'));
if ($ok_cache) {
$send_more['unlink_file'] = 0;