/**
* Checks to see if this Response should be used to respond to the query $q.
*
* If there are 'exclude' parameters, they are checked first. If any
* of them are present, param_check returns 'false'.
*
* Then we check the 'required' parameters in $this->activate_params
* and returns false if any of them are missing. If one of the
* 'oneof' fields is present (and assuming conditions in the other
* arrays are met), 'true' is returned.
*
* @param folksoQuery $q
* @return boolean
*/
private function param_check(folksoQuery $q)
{
if (is_array($this->activate_params['exclude'])) {
foreach ($this->activate_params['exclude'] as $no) {
if ($q->is_param($no)) {
return false;
}
}
}
$all_requireds = array();
foreach (array($this->activate_params['required'], $this->activate_params['required_single'], $this->activate_params['required_multiple']) as $arr) {
if (is_array($arr)) {
$all_requireds = array_merge($all_requireds, $arr);
}
}
foreach ($all_requireds as $p) {
if (!$q->is_param($p)) {
return false;
}
}
if (is_array($this->activate_params['required_single'])) {
foreach ($this->activate_params['required_single'] as $p) {
if (!$q->is_single_param($p)) {
return false;
}
}
}
if (is_array($this->activate_params['required_multiple'])) {
foreach ($this->activate_params['required_multiple'] as $p) {
if (!$q->is_multiple_param($p)) {
return false;
}
}
}
$oneof = false;
if (is_array($this->activate_params['oneof'])) {
foreach ($this->activate_params['oneof'] as $p) {
if ($q->is_param($p)) {
$oneof = true;
}
}
if (!$oneof) {
return false;
}
}
return true;
}
/**
* VisitPage : add a resource (uri) to the resource index
*
* Web parameters: POST + folksores + folksovisit
* Optional: folksourititle
*
* This uses a cache in /tmp to reduce (drastically) the number of database connections.
*
* Optional parameters: urititle,
*
*/
function visitPage(folksoQuery $q, folksoDBconnect $dbc, folksoSession $fks)
{
$ic = new folksoIndexCache('/tmp/cachetest', 5);
$r = new folksoResponse();
$page = new folksoUrl($q->res, $q->is_single_param('urititle') ? $q->get_param('urititle') : '');
if (!$ic->data_to_cache(serialize($page))) {
$r->setError(500, 'Internal server error: could not use cache');
return $r;
}
try {
if ($ic->cache_check()) {
$pages_to_parse = $ic->retreive_cache();
$i = new folksoDBinteract($dbc);
$urls = array();
$title = array();
foreach ($pages_to_parse as $raw) {
$item = unserialize($raw);
$urls[] = $i->dbescape($item->get_url());
$titles[] = $item->get_title();
}
$sql = "CALL bulk_visit('" . implode('&&&&&', $urls) . "', '" . implode('&&&&&', $titles) . "', 1)";
if (!($lfh = fopen('/tmp/folksologfile', 'a'))) {
$r->setError(500, 'Internal server error: could not open logfile');
}
fwrite($lfh, implode("\n", $urls) . "\n");
fclose($lfh);
$i->query($sql);
if ($i->result_status == 'DBERR') {
$r->dbQueryError($i->error_info());
return $r;
}
$r->setOk(200, "200 Read cache'");
$r->t("updated db");
} else {
$r->setOk(202, "Caching visit");
$r->t('Caching visit. Results will be incorporated shortly.');
}
} catch (dbException $e) {
return $r->handleDBexception($e);
}
return $r;
}
