/**
* Upload a shapefile and load data to a WaterRequest
* @param string $id string representing the ID of a WaterRequest
* @throws CHttpException
*/
public function actionUpload($id)
{
$model = $this->loadModel($id);
//if(!$model)
// throw new CHttpException(400,'Invalid request. Wrong parameters. Model not found.');
if (!Yii::app()->user->checkAccess('updateWaterRequest', array('waterRequest' => $model))) {
throw new CHttpException(403, Yii::t('http_status', '403'));
}
$this->layout = '//layouts/column1';
$model->scenario = 'upload';
//Yii::log('Model loaded: '.print_r($model, true) , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
if (isset($_POST['WaterRequests'])) {
//Yii::log('Sto caricando un file' , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
$model->shpfile = CUploadedFile::getInstance($model, 'shpfile');
$model->shxfile = CUploadedFile::getInstance($model, 'shxfile');
$model->dbffile = CUploadedFile::getInstance($model, 'dbffile');
$model->fileproj = $_POST['WaterRequests']['fileproj'];
//Yii::log('shpfile='.print_r($model->shpfile, true) , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
$shp_folder = Yii::app()->params['shp_upload_folder'];
if ($model->validate()) {
$all_saved = $model->shpfile->saveAs(Yii::app()->basePath . $shp_folder . $model->shpfile->getname()) && $model->shxfile != null ? $model->shxfile->saveAs(Yii::app()->basePath . $shp_folder . $model->shxfile->getname()) : true && $model->dbffile != null ? $model->dbffile->saveAs(Yii::app()->basePath . $shp_folder . $model->dbffile->getname()) : true;
if ($all_saved) {
//Yii::log('CARICATO!' , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
$shpfile = Yii::app()->basePath . $shp_folder . $model->shpfile->getname();
if (isset($shpfile)) {
//echo 'DATI ESTRATTI:<pre>';
//echo "\n Il sistema di riferimento selezionato è: ".$model->fileproj. "\n";
$options = array('noparts' => false);
$shp = new ShapeFile($shpfile, $options);
// along this file the class will use file.shx and file.dbf
$i = 0;
while ($record = $shp->getNext()) {
$shp_data = $record->getShpData();
if (count($shp_data)) {
// read shape data
// store number of parts
$oneshot = 0;
$wkt = 'MULTIPOLYGON(';
foreach ($shp_data['parts'] as $part) {
$wkt = $wkt . ($oneshot++ == 0 ? '((' : ',((');
$coords = array();
foreach ($part['points'] as $point) {
$coords[] = round($point['x'], 2) . ',' . round($point['y'], 2);
}
$search = array(',', ';');
$replace = array(' ', ',');
$subject = implode(';', $coords);
$wkt = $wkt . str_replace($search, $replace, $subject);
$wkt = $wkt . '))';
}
$wkt = $wkt . ')';
$saveres = WaterRequestGeometries::save_geom($wkt, $id, $model->fileproj);
if ($saveres['result']) {
Yii::log('Salvataggio avvenuto con successo. ID inserito: ' . $saveres['newid'], CLogger::LEVEL_INFO, 'actionUpload');
} else {
Yii::log('Salvataggio non riuscito. WR_ID: ' . $id . ' iterazione: ' . $i, CLogger::LEVEL_INFO, 'actionUpload');
}
}
//echo "\n";
$i++;
}
//echo '</pre>';
}
$this->redirect(array('view', 'id' => $model->id));
/*
$this->render('upload',array(
'wr_id'=>$id,
'model'=>$model,
'shpfile'=>Yii::app()->basePath . $shp_folder . $model->shpfile->getname(),
));
*/
Yii::app()->end();
}
// else Yii::log('FAIL!!' , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
}
// else Yii::log('NON VALIDO!!' , CLogger::LEVEL_INFO, 'actionUpload'); // DEBUG
}
$this->render('upload', array('wr_id' => $id, 'model' => $model));
}
function shp_parse_fh($fh, $more)
{
# See also:
# http://vis4.net/blog/de/2010/04/reading-esri-shapefiles-in-php/
fclose($fh);
$args = array('noparts' => true);
$shp = new ShapeFile($more['file']['path'], $args);
if (!$shp) {
return array('ok' => 0, 'error' => 'Failed to parse shapefile');
}
$data = array();
$errors = array();
$record = 0;
while ($record = $shp->getNext()) {
# This is mostly here if/when we break in $parts loop
if ($more['max_records'] && $record > $more['max_records']) {
break;
}
# What to do about file specific metadata?
$shp_data = $record->getShpData();
$parts = isset($shp_data['parts']) ? $shp_data['parts'] : array($shp_data);
foreach ($parts as $pt) {
$record++;
if ($more['max_records'] && $record > $more['max_records']) {
break;
}
$lat = $pt['y'];
$lon = $pt['x'];
if (!$lat || !$lon) {
continue;
}
# check $more for reprojection nonsense here
# the projection transformation stuff is very
# much bleeding edge still and may turn in to
# a yak (20110216/straup)
# loadlib("geo_proj");
# $from = 'EPSG:26943';
# $pt = array('latitude' => $lat, 'longitude' => $lon);
# $pt = geo_proj_transform($pt, $from, 'EPSG:4326');
if (!geo_utils_is_valid_latitude($lat)) {
$errors[] = array('record' => $record, 'column' => 'latitude', 'error' => 'Invalid latitude');
continue;
}
if (!geo_utils_is_valid_longitude($lon)) {
$errors[] = array('record' => $record, 'column' => 'longitude', 'error' => 'Invalid longitude');
continue;
}
$tmp = array('latitude' => $lat, 'longitude' => $lon);
$data[] = $tmp;
}
}
if (!count($data)) {
return array('ok' => 0, 'error' => '');
}
return array('ok' => 1, 'errors' => &$errors, 'data' => &$data);
}
function upload()
{
require_once APPPATH . 'third_party/ShapeFile.php';
require_once APPPATH . 'third_party/Simplify.php';
$options = array('noparts' => false);
try {
$shp = new ShapeFile($_FILES['shp_file']['tmp_name'], null, $options);
$polygons = array();
while ($record = $shp->getNext()) {
$shpData = $record->getShpData();
foreach ($shpData['parts'] as $part) {
$polygons[] = Simplify::line($part['points'], count($part['points']) / 1000000);
}
}
} catch (Exception $e) {
$this->session->set_flashdata('error', $e->getMessage());
}
$this->user_polygons_model->save(array('user_id' => $this->tank_auth->get_user_id(), 'name' => $_FILES['shp_file']['name'], 'points' => json_encode($polygons)));
redirect('/areas');
}
