/**
* Update the uploaded EPANET file adding thw WaterRequest info and sends it to the client
* @param string $id string representing the ID of a WaterRequest
*/
public function actionEpanet($id)
{
$this->layout = '//layouts/column1';
//retrieve water request
$wr = $this->loadModel($id);
if (Yii::app()->user->checkAccess('epanetWaterRequest', array('waterRequest' => $wr))) {
$model = new EpanetForm();
//parametrized values available
$replaceable_parameters = array('first_name' => 'First name of water request\'s owner', 'last_name' => 'Last name of water request\'s owner', 'date' => 'Water Request date', 'project' => 'Water Request project name', 'index' => 'Autoincrement index');
//parametrized values marker
$replaceable_parameters_marker = '$';
//form field in which user can insert parametrized values
$form_elements = array('tag', 'demand_pattern', 'demand_categories', 'emitter_coeff', 'initial_quality', 'source_quality', 'srid', 'other_srid');
if (isset($_POST['EpanetForm'])) {
//setting directory to retrieve the uploaded file and to store the new file
$up_dir = Yii::getPathOfAlias('webroot') . DIRECTORY_SEPARATOR . Yii::app()->params['EPANET']['upload_dir'] . DIRECTORY_SEPARATOR;
$down_dir = Yii::getPathOfAlias('webroot') . DIRECTORY_SEPARATOR . Yii::app()->params['EPANET']['download_dir'] . DIRECTORY_SEPARATOR;
//retrieving information about uploaded file
$file_info = pathinfo($_POST['EpanetForm']['filename']);
$filename = $file_info['filename'];
$ext = $file_info['extension'];
//setting upload and download directory-filename
$up_file_dir = $up_dir . $filename . '.' . $ext;
$down_filename = $filename . Yii::app()->params['EPANET']['download_filename_suffix'];
$down_file_dir = $down_dir . $down_filename . '.' . $ext;
//read epanet network from file
$epanet = new EPANET($up_file_dir);
//retrieving some parameters from water request
$first_name = $wr->username;
$last_name = $wr->username;
$date = $wr->dateHR;
$project = $wr->project;
$wr_id = $wr->id;
// setting prefix
$junction_prefix = Yii::app()->params['EPANET']['junction_prefix'];
if ($junction_prefix !== '') {
$junction_prefix = substr(Yii::app()->params['EPANET']['junction_prefix'], 0, 3) . '_';
}
$junction_prefix = $junction_prefix . $wr_id;
$index = 0;
//loop into geometries
foreach ($wr->geometries() as $geom) {
$water_demand = 0;
$description = '';
$zones_array = array();
//loop into zones to calculate total water demand for each geometry
foreach ($geom->zones() as $zone) {
$water_demand += $zone->water_demand;
if (array_search($zone->zone_name, $zones_array) === false) {
array_push($zones_array, $zone->zone_name);
}
}
foreach ($zones_array as $zs) {
$description = $description . $zs . ' ';
}
//substitute, from form elements, water request parameters
foreach ($form_elements as $element) {
$str = $_POST['EpanetForm'][$element];
foreach ($replaceable_parameters as $param => $text) {
${$element} = str_replace($replaceable_parameters_marker . $param, ${$param}, $str);
$str = ${$element};
}
}
//be sure to have all parameters before invoking addJunction
// junction_id is in config file
//if (!isset($junction_id))
// $junction_id = 'a';
// La descrizione viene generata a partire dalle Zone della geometria
//if (!isset($description))
// $description = 'b';
if (!isset($tag)) {
$tag = 'c';
}
if (!isset($demand_pattern)) {
$demand_pattern = 'd';
}
if (!isset($demand_categories)) {
$demand_categories = '';
}
if (!isset($emitter_coeff)) {
$emitter_coeff = '';
}
if (!isset($initial_quality)) {
$initial_quality = '';
}
if (!isset($source_quality)) {
$source_quality = '';
}
//check if srid passed exists
if (isset($srid) && $srid == 'other') {
if (isset($other_srid) && Geometry::Srid_Exists($other_srid)) {
$srid = $other_srid;
Yii::app()->user->usedSrid($srid);
} else {
echo 'Incorrect srid';
Yii::app()->end();
}
}
$elevation = $geom->elevation;
//Yii::log('Elevation: '.print_r($elevation, true) , CLogger::LEVEL_INFO, 'actionEpanet'); // DEBUG
if (isset($srid) && $srid != Yii::app()->params['geoserver']['water_request_geometries_srid']) {
$centroid = $geom->getCentroid($srid);
} else {
$centroid = $geom->centroid;
}
//$junction_id = $junction_prefix.'_'.$geom->id.'_'.$junction_id;
$junction_id = $junction_prefix . '_' . $geom->id;
//add geometry centroid and parameters to epanet
$epanet->addJunction($junction_id, $centroid['x'], $centroid['y'], $description, $tag, $elevation, $water_demand, $demand_pattern, $demand_categories, $emitter_coeff, $initial_quality, $source_quality);
$index++;
}
//write epanet network into file
$epanet->finalize($down_file_dir);
//send file
Yii::app()->request->sendFile($down_filename . '.' . $ext, file_get_contents($down_file_dir), $ext, true);
// Non riesce a fare il redirect e appende al file .inp la pagina wr/view
//$this->redirect('view',array('id'=>$wr->id));
return;
}
$this->render('epanet', array('wr' => $wr, 'model' => $model, 'replaceable_parameters' => $replaceable_parameters, 'replaceable_parameters_marker' => $replaceable_parameters_marker));
} else {
throw new CHttpException(403, Yii::t('http_status', '403'));
}
}
