/**
* Tag cloud.
*
* Parameters: GET, folksoclouduri, res.
*
* Optional: folksolimit (limit number of tags returned).
* Optional: folksobypop (pure popularity based cloud).
* Optional: folksobydate (date based cloud).
*/
function tagCloudLocalPop(folksoQuery $q, folksoDBconnect $dbc, folksoSession $fks)
{
$r = new folksoResponse();
try {
$i = new folksoDBinteract($dbc);
// check to see if resource is in db.
if (!$i->resourcep($q->res)) {
$r->setError(404, 'Resource not found');
$r->errorBody("Resource not present in database");
return $r;
}
// using the "limit" parameter
$taglimit = 0;
if ($q->is_param('limit') && is_numeric($q->get_param('limit'))) {
$taglimit = $q->get_param('limit');
}
$rq = new folksoResQuery();
if ($q->is_param('bypop')) {
$sql = $rq->cloud_by_popularity($i->dbescape($q->res), $taglimit);
} elseif ($q->is_param('bydate')) {
$sql = $rq->cloud_by_date($i->dbescape($q->res), $taglimit);
} else {
$sql = $rq->basic_cloud($i->dbescape($q->res), $taglimit);
}
$i->query($sql);
switch ($i->result_status) {
case 'NOROWS':
// probably impossible now
$r->setOK(204, 'No tags associated with resource');
return $r;
break;
case 'OK':
if ($i->result->num_rows == 0) {
// should this be == 1 instead?
$r->setOK(204, 'No tags associated with resource');
return $r;
} else {
$r->setOK(200, 'Cloud OK');
}
break;
}
} catch (dbException $e) {
$r->handleDBexception($e);
}
$df = new folksoDisplayFactory();
$dd = $df->cloud();
// $row1 = $i->result->fetch_object(); // popping the title line
/** in CLOUDY
* tagdisplay = r.title
* tagnorm = r.uri_raw
* tagid = r.id
*/
switch ($q->content_type()) {
case 'html':
$dd->activate_style('xhtml');
$r->setType('html');
$r->t($dd->title($row1->tagdisplay));
$r->t($dd->startform());
// <ul>
while ($row = $i->result->fetch_object()) {
$r->t($dd->line($row->cloudweight, "resourceview.php?tagthing=" . $row->tagid, $row->tagdisplay) . "\n");
}
$r->t($dd->endform());
return $r;
break;
case 'xml':
$r->setType('xml');
$dd->activate_style('xml');
$r->t($dd->startform());
$r->t($dd->title($q->res));
while ($row = $i->result->fetch_object()) {
$link = new folksoTagLink($row->tagnorm);
$r->t($dd->line($row->tagid, $row->tagdisplay, htmlspecialchars($link->getLink()), $row->cloudweight, $row->tagnorm) . "\n");
}
$r->t($dd->endform());
return $r;
break;
default:
$r->setError(406, "Invalid or missing specified");
$r->errorBody("Sorry, but you did not give a datatype and we are too lazy " . " right now to supply a default.");
return $r;
}
}
