=3) $oss->build_query($_GET['q']);
class OSS{
function __construct(){
$this->query='';
$this->info='';
$this->index=INDEX; // Index to use
$this->debug_mode=DEBUG_MODE;
$this->rpp=RESULTS_PER_PAGE; // Results per page
$this->collapse_max=1; // In cluster mode, this is always 1
}
function build_query($q){
// Assemble the query
$params=array(); // This is where all the parameters are
// Remove tags
$this->q=trim(strip_tags($q));
// Take only the first 80 characters of the string
$this->q=substr($this->q,0,80);
// Basic parameters
$params['use']=$this->index; // zu verwendender Index
$params['qt']='general'; // Query template to use
// Collapsing
$params['collapse.mode']='cluster';
$params['collapse.field']='host';
$params['collapse.max']=$this->collapse_max;
// Pagination
if(isset($_GET['page'])) $params['start']=((int) $_GET['page']*10)-9;
else $params['start']=1;
$params['rows']=$this->rpp;
$params['query']=trim($this->q); // the search term itself
$params['sort']='score'; // minus prefix for reverse order
// Override if you want to query only one host
preg_match("/host:(.*?) /",$this->q.' ',$matches);
if(isset($matches[1])){
$params['query']=trim(preg_replace("/{$matches[0]}/",' ',$this->q.' '));
$params['fq']='host:'.$matches[1];
unset($params['collapse.mode']);
unset($params['collapse.field']);
unset($params['collapse.max']);
}
$host='http://127.0.0.1:8080/select'; // URL of the OSS host
// In case someone has injected a 'delete' parameter
unset($params['delete']);
$this->query=$host.'?'.http_build_query($params);
if($this->debug_mode) echo "Debug mode: ".$this->query;
}
function show_query(){
if(isset($this->q)) return preg_replace('/\"/','"',$this->q);
else return '';
}
function execute(){
if($this->query=='') return false;
$this->hits=simplexml_load_file($this->query);
if($this->hits->entry[0]!='Error'){
list($this->info['name'],
$this->info['numFound'],
$this->info['collapsedDocCount'],
$this->info['start'],
$this->info['rows'],
$this->info['maxScore'],
$this->info['time'])=$this->hits->result->attributes();
return $this->hits;
}else{
// Error. The XML could not be retrieved
if($this->debug_mode) echo ''; print_r($this->hits); echo '
';
return false;
}
}
function info($key=''){
if($key=='') return $this->info;
else return $this->info[$key];
}
function show_result_count(){
if($this->info['collapsedDocCount']!=0)
return 'There were '.$this->info['numFound'].' documents found. '.($this->info['numFound']-$this->info['collapsedDocCount']). ' Results are shown from different hosts.';
else
return 'There were '.$this->info['numFound'].' documents found.';
}
function uncollapse($doc,$field){
if(isset($doc->collapseCount)){ ?>
Show more results from
info['numFound']-$this->info['collapsedDocCount'])/$this->rpp)-1; $page++){
if(!isset($_GET['page'])) $_GET['page']=1;
if($_GET['page']==$page) echo ''.$page.' ';
else echo ''.$page.' ';
}
}
}
?>