public function action_get()
{
$get = Validate::factory($_GET);
$get->rule('latitude', 'numeric')->rule('longitude', 'numeric')->rule('placename', 'max_length', array(128))->rule('placename', 'not_empty')->rule('supplychain_id', 'numeric')->rule('projection', 'regex', array('/epsg:[\\w\\d]+/i'))->filter(true, 'trim');
if ($get->check()) {
$get = $get->as_array();
$proj = 'EPSG:4326';
// wgs84, by default
if (isset($_GET['projection'])) {
$proj = $get['projection'];
}
if (isset($_GET['latitude'], $_GET['longitude'])) {
$pt = new Sourcemap_Proj_Point($get['latitude'], $get['longitude']);
} elseif (isset($_GET['placename'])) {
$results = Sourcemap_Geocoder::geocode($get['placename']);
if ($results) {
$r = $results[0];
$pt = new Sourcemap_Proj_Point($r->longitude, $r->latitude);
} else {
return $this->_internal_server_error('Could not geocode placename.');
}
} else {
return $this->_bad_request('Coordinates or placename required.');
}
$pt = Sourcemap_Proj::transform($proj, 'EPSG:900913', $pt);
} else {
return $this->_bad_request('Invalid parameters.');
}
$this->response = ORM::factory('stop')->nearby($pt);
}
public function action_get()
{
if (isset($_GET['placename']) && !empty($_GET['placename'])) {
$q = $_GET['placename'];
} elseif (isset($_GET['ll'])) {
// note: parameter 'll' is lat/lng, as the WGS84 datum specifies.
// should we do something to avoid confusion here? (e.g. lat=0&lng=0)?
if (!preg_match('/((-|\\+)?[\\d]{1,3}(\\.\\d+)?,?){2}/', $_GET['ll'])) {
return $this->_bad_request('Invalid lat/lng.');
}
list($lat, $lng) = explode(',', $_GET['ll']);
$q = new Sourcemap_Proj_Point($lng, $lat);
} else {
return $this->_bad_request('Placename or ll required.');
}
$this->response = (object) array('results' => Sourcemap_Geocoder::geocode($q));
}
public static function csv2stops($csv, $o = array())
{
$options = array();
foreach (self::$default_options as $k => $v) {
$options[$k] = isset($o[$k]) ? $o[$k] : $v;
}
extract($options);
$csv = Sourcemap_Csv::parse($csv);
$data = array();
$raw_headers = array();
if ($headers) {
$raw_headers = array_shift($csv);
$headers = array();
}
for ($i = 0; $i < count($raw_headers); $i++) {
if (strlen(trim($raw_headers[$i]))) {
$headers[] = strtolower($raw_headers[$i]);
}
}
foreach ($csv as $ri => $row) {
if ($headers && is_array($headers)) {
$record = array();
foreach ($headers as $hi => $k) {
if (isset($row[$hi])) {
$record[$k] = $row[$hi];
}
}
} else {
$record = $row;
}
if ($record) {
$data[] = $record;
}
}
if ($headers) {
if (is_null($latcol) || is_null($loncol)) {
foreach ($headers as $i => $h) {
if (is_null($latcol) && preg_match('/^lat(itude)?$/i', $h)) {
$latcol = $h;
} elseif (is_null($loncol) && preg_match('/^(lng)|(lon(g(itude)?)?)$/i', $h)) {
$loncol = $h;
} elseif (is_null($addresscol) && preg_match('/place ?name/i', $h) || preg_match('/address/i', $h)) {
$addresscol = $h;
}
}
if (is_null($latcol) || is_null($loncol)) {
$latcol = $loncol = null;
if (is_null($addresscol)) {
return $this->_bad_request('Missing lat/lon or address column index.');
}
}
}
if (is_null($idcol)) {
foreach ($headers as $i => $h) {
if (preg_match('/^id$/i', $h)) {
$idcol = $h;
break;
}
}
}
}
$stops = array();
foreach ($data as $i => $record) {
if (is_null($addresscol)) {
if (!isset($record[$latcol], $record[$loncol])) {
throw new Exception('Missing lat/lon field (record #' . ($i + 1) . ').');
}
} else {
if (!isset($record[$addresscol])) {
throw new Exception('Missing address field (record #' . ($i + 1) . ').');
}
}
if ($idcol && !isset($record[$idcol])) {
throw new Exception('Missing id field (record #' . ($i + 1) . ').');
} elseif ($idcol && !is_numeric($record[$idcol])) {
throw new Exception('Id value must be an integer.');
}
$new_stop = array('local_stop_id' => $idcol ? (int) $record[$idcol] : $i + 1, 'attributes' => array());
$lat = null;
$lon = null;
foreach ($record as $k => $v) {
if ($k == $latcol || $k == $loncol) {
if ($k == $latcol) {
$lat = $v;
} else {
$lon = $v;
}
continue;
} elseif ($k == $addresscol) {
if ($results = Sourcemap_Geocoder::geocode($v)) {
$result = $results[0];
$lat = (double) $result->lat;
$lon = (double) $result->lng;
if (!isset($record['placename'])) {
$new_stop['attributes']['placename'] = $result->placename;
}
} else {
throw new Exception('Could not geocode: "' . $v . '".');
}
}
$new_stop['attributes'][$k] = $v;
}
if (!isset($new_stop['attributes']['placename']) && $lat && $lon) {
$results = Sourcemap_Geocoder::geocode(new Sourcemap_Proj_Point($lon, $lat));
if ($results) {
$result = $results[0];
//$lat = $result->lat;
//$lon = $result->lng;
if (!isset($record['placename'])) {
$new_stop['attributes']['placename'] = $result->placename;
}
}
}
if (is_null($lon) || is_null($lat)) {
throw new Exception('No lat/lon.');
}
$from_pt = new Sourcemap_Proj_Point($lon, $lat);
$new_stop['geometry'] = Sourcemap_Proj::transform('WGS84', 'EPSG:900913', $from_pt)->toGeometry();
$stops[] = (object) $new_stop;
}
return $stops;
}
