/**
* Search over data
*
* @return string
*/
public function search()
{
// determine configuration
$dataset = $this->fetch('dataset', null, false, false, false);
$parameters = $this->gatherParameters();
$config = $this->tasks->loadDataset($dataset, $parameters);
// short-circuit this if no query
if (!trim($config['query'])) {
return Parse::tagLoop($this->content, array(array('no_query' => true, '_query' => '')));
}
// do search
$output = $this->tasks->lookUp($config['query'], $config);
$total_found = count($output);
// limit if we need to
if ($config['limit'] || $config['offset']) {
if ($config['limit'] && $config['paginate'] && !$config['offset']) {
// pagination requested, isolate the appropriate page
$count = count($output);
$page = URL::getCurrentPaginationPage();
// return the last page of results if $page is out of range
if (Config::getFixOutOfRangePagination()) {
if ($config['page_limit'] && $page > $config['page_limit']) {
$page = $config['page_limit'];
} elseif ($config['limit'] * $page > $count) {
$page = ceil($count / $config['limit']);
} elseif ($page < 1) {
$page = 1;
}
}
$offset = ($page - 1) * $config['limit'];
$output = array_slice($output, $offset, $config['limit']);
} else {
// just limit or offset
$output = array_slice($output, $config['offset'], $config['limit']);
}
}
// supplement with first, last, etc.
$output = $this->tasks->supplement($output, array('total_found' => $total_found));
return Parse::tagLoop($this->content, $output);
}
/**
* Grabs one page from a paginated set
*
* @param int $page_size Size of page to grab
* @param int $page Page number to grab
* @return void
*/
public function isolatePage($page_size, $page)
{
$count = $this->count();
// return the last page of results if $page is out of range
if (Config::getFixOutOfRangePagination()) {
if ($page_size * $page > $count) {
$page = ceil($count / $page_size);
} elseif ($page < 1) {
$page = 1;
}
}
$offset = ($page - 1) * $page_size;
$this->limit($page_size, $offset);
}
