/**
* Example for a location_input plugin input callback.
*
* @param $input
* The text entered by the user.
* @param array $options
* The options for this plugin, as entered into the form specified by the
* "form callback".
*
* @return
* A location if the input could be parsed, NULL otherwise. The location has
* to be a string in the format "LAT,LON", where LAT and LON are the decimal
* latitude and longitude, respectively, of the location.
*/
function example_search_api_location_input_callback($input, array $options)
{
$location = geocoder($options['handler'], $input);
if ($location) {
$location = $location->centroid();
return $location->y() . ',' . $location->x();
}
}
/**
* geocoder
* 存取 geocoder table
* @param mixed $op
* @param mixed $data
* @access public
* @return void
*/
function geocoder($op, $data)
{
$db = get_conn();
switch ($op) {
case 'get':
$sql = sprintf("select * from \"geocoder\" where address='%s'", $data['address']);
$res = $db->GetAll($sql);
logsql($sql, $res);
if (count($res) == 1) {
return array(1, $res[0]);
} else {
if ($res === false) {
return array(-1, "error");
} else {
return array(0, 'no result' . $sql);
}
}
break;
case 'set':
list($ret, $msg) = geocoder('get', array('address' => $data['address']));
if ($ret == 0) {
$sql = sprintf("Insert_ID into \"geocoder\" (\"address\",\"lat\",\"lng\",\"is_tw\",\"exact\",\"faddr\",\"name\") values ('%s',%f,%f,%d,%d,'%s','%s')", $data['address'], $data['lat'], $data['lng'], $data['is_tw'], $data['exact'], $data['faddr'], $data['name']);
} else {
if ($ret == 1) {
$sql = sprintf("update \"geocoder\" set \"address\"='%s',\"lat\"=%f, \"lng\"=%d, \"is_tw\"=%d, \"exact\"=%d, \"faddr\"='%s', \"name\"='%s'", $data['address'], $data['lat'], $data['lng'], $data['is_tw'], $data['exact'], $data['faddr'], $data['name']);
} else {
return array($ret, $msg);
}
}
$res = $db->Execute($sql);
logsql($sql, $res);
if ($res == true) {
return array(1, "ok {$sql}");
}
break;
}
return array(0, "no set / get ");
}
ajaxerr("insufficent parameters");
}
$da = json_decode($data, true);
$mem = new Memcached();
$mem->addServer('localhost', 11211);
$key = md5($data['address']);
switch ($op) {
case 'get':
// 查詢結果, 如果沒有設定 memcache, 當作加入 cache 的依據
list($result, $msg) = geocoder($op, $da);
if ($result == 0) {
$mem->set($key, $data['address'], 3600);
ajaxerr($msg);
} else {
ajaxok($msg);
}
break;
case 'set':
if ($mem->get($key) == $data['address']) {
list($result, $msg) = geocoder($op, $da);
if ($result > 0) {
$mem->delete($key);
ajaxok($msg);
} else {
ajaxerr($msg);
}
} else {
ajaxerr("you can't update cache");
}
break;
}
/**
* Compute the GeoJSON features array.
*
* @return array
* The geojson array.
*/
protected function getGeojsonFeatures()
{
$features = array();
foreach ($this->getOption('fields', array()) as $field) {
$feature = array('type' => 'Feature');
if (isset($field['title']) && !empty($field['title'])) {
$feature['properties']['name'] = $field['title'];
}
if (isset($field['description']) && !empty($field['description'])) {
$feature['properties']['description'] = $field['description'];
}
$json = FALSE;
if (isset($field['wkt']) && !empty($field['wkt'])) {
geophp_load();
$geophp = \geoPHP::load($field['wkt'], 'wkt');
if (is_object($geophp)) {
$json = $geophp->out('json');
}
} else {
if (isset($field['address']) && !empty($field['address'])) {
$geocoder = geocoder($this->getOption('geocoder_handler', 'google'), $field['address'], array(), $this->getOption('geocoder_cache', 2));
if (is_object($geocoder)) {
$json = $geocoder->out('json');
}
}
}
if ($json) {
$feature['geometry'] = json_decode($json, TRUE);
$features[] = $feature;
}
}
return $features;
}
