public function __construct(ExternalServerPool $externalServerPool, SearchKey $searchKey)
{
if ($searchKey->getOption()) {
// Options are not supported.
return;
}
$this->serverPool = $externalServerPool;
$this->serverPoolArray =& $externalServerPool->toArray();
$this->scriptRequest = self::scriptRequest($searchKey);
$localServer = new LocalServer();
$this->acceptServers = $localServer->acceptSuggestedServers();
if ($this->hasServer(0)) {
$this->startNextQueries();
}
}
public function search()
{
$searchKey = new SearchKey();
$this->tmpl->assign('htmlSearchKey', $searchKey->asHtml());
if (!$searchKey->isGiven()) {
return;
}
if ($searchKey->getOption() != 'random') {
$this->createFeedLink($searchKey);
$this->createSaveLink();
}
$serverPool = ExternalServerPool::activeServerPool();
/*
* Important order! ExternalBookListReader starts HTTP requests in the
* constructor. The local database can be read while the external
* servers are busy. Calling read(0) will read and parse the answers of
* the servers.
*/
$externalReader = new ExternalBookListReader($serverPool, $searchKey);
$localBookList = new LocalSearchBookList($searchKey);
$nearbyBookListArray = $externalReader->readNextGroup(0);
if ($localBookList->size() || sizeof($nearbyBookListArray)) {
$results = $this->tmpl->addSubtemplate('searchResults');
$results->assign('HtmlRows', $localBookList->toHtmlRows());
foreach ($nearbyBookListArray as $nearbyBookList) {
$set = $results->addSubtemplate('nearbyResultSet');
$set->assign('locationName', $nearbyBookList->locationName());
$set->assign('HtmlRows', $nearbyBookList->toHtmlRows());
}
} else {
/* Nothing found here, ask other servers group by group. */
$externalBookListArray = $externalReader->readNextGroup(255);
if (sizeof($externalBookListArray) == 0) {
$this->tmpl->addSubtemplate('noResults');
return;
}
$external = $this->tmpl->addSubtemplate('externalSearch');
foreach ($externalBookListArray as $externalBookList) {
$set = $external->addSubtemplate('externalResultSet');
$set->assign('locationName', $externalBookList->locationName());
$set->assign('HtmlRows', $externalBookList->toHtmlRows());
}
}
}
