se/SE/se-lib/Route/UrlAction/WmsGenerate.php

<?php

Lib::loadClass('RouteBase');
Lib::loadClass('FoldersConfig');
Lib::loadClass('FileUploader');

class Route_UrlAction_WmsGenerate extends RouteBase {

	public function handleAuth() {
		if (!User::logged()) {
			throw new HttpException('Unauthorized', 401);
		}
	}

	private function getDirectory($id) {
		$folderConf = FoldersConfig::getAll('WMS_LAYERS_COLUMN');
		$record=new stdClass;
		$record->ID=$id;
		$uploader = new FileUploader('WMS_LAYERS_COLUMN', $record);
		$errMsg="";
		if (!$uploader->setConfig($folderConf, $errMsg)) throw new HttpException("Błąd danych konfiguracyjnych" . '<br>' . "\n" . $errMsg, 404);
		$uploader->findFolder();
		return $uploader->getDestLocalPath(true);
	}

	public function defaultAction() {
		SE_Layout::gora();
		SE_Layout::menu();
		$ID_WMS_LAYERS=V::get('ID_WMS_LAYERS',0,$_GET,'int');
		if ($ID_WMS_LAYERS<=0) die ('ID ERROR');

		try {
			$destFolderPath = $this->getDirectory($ID_WMS_LAYERS);
			$files=array();
			foreach (glob($destFolderPath."/*.tif",GLOB_BRACE) as $node) {
				if (is_file($node)) $files[]=basename($node);
			}
			if (count($files)==0) throw new Exception('Nie znaleziono żadnego pliku tif!');
			if (count($files)>1) throw new Exception('Znaleziono zbyt dużo plików tif!');

			$validateGeoTifJson=shell_exec("/opt/local/bin/gdalinfo -json ".$destFolderPath."/*".$files[0]." 2>/dev/null");
			$validateGeoTif=json_decode($validateGeoTifJson);
			if (!$validateGeoTif) throw new Exception('Znaleziony plik '.$files[0].' nie jest poprawnym plikiem tif!');
			if (!$validateGeoTif->coordinateSystem->wkt) throw new Exception('Znaleziony plik '.$files[0].' nie jest poprawnym plikiem GeoTif!');

			$sqlObj = new stdClass();
			$sqlObj->ID = $ID_WMS_LAYERS;
			$sqlObj->FILE_STATUS='TO_GENERATE';
			$sqlObj->FILE_STATUS_INFO='Plik oczekuje na przetworzenie';
			$sqlObj->FILE_NAME=$files[0];
			$affected = DB::getDB()->UPDATE_OBJ('WMS_LAYERS', $sqlObj);
			if ($affected) SE_Layout::alert('success','Oznaczono plik '.$files[0].' do przetworzenia.');
			else SE_Layout::alert('warning','Plik '.$files[0].' został już wcześniej oznaczony do przetworzenia.');

		} catch (Exception $e) {
			SE_Layout::alert('danger',$e->getMessage());
		}

		?>
<div class="container">
	<a href="<?php echo $_SERVER['HTTP_REFERER']?>" class="btn btn-primary">Powrót</a>
</div>
		<?php
		SE_Layout::dol();
	}

	private function mapGenerate() {
	}

	public function doGenerate() {

		try {
			$moduleActive=DB::getPDO()->fetchall("select count(*) as cnt from CRM_CONFIG where CONF_KEY='module_WMS' and CONF_VAL='on'");
			if (!$moduleActive[0]['cnt']) throw new Exception("Module WMS disabled/not installed.");

			$layers=DB::getPDO()->fetchall("select ID,FILE_NAME from WMS_LAYERS where FILE_STATUS='IN_PROGRESS'");
			foreach ($layers as $layer) {
				if (!file_exists('/tmp/generate_wms-'.$layer['ID'].'.lock')) {
					unlink('/tmp/generate_wms-'.$layer['ID'].'.sh');
					$destFolderPath = $this->getDirectory($layer['ID']);
					if (file_exists($destFolderPath.'/.wms/.completed')) {
						DB::getDB()->UPDATE_OBJ('WMS_LAYERS',(object) array('ID'=>$layer['ID'],'FILE_STATUS'=>'GENERATED','FILE_STATUS_INFO'=>'Plik przetworzony poprawnie'));
						unlink($destFolderPath.'/.wms/.completed');
					} else {
						DB::getDB()->UPDATE_OBJ('WMS_LAYERS',(object) array('ID'=>$layer['ID'],'FILE_STATUS'=>'TO_GENERATE','FILE_STATUS_INFO'=>'Wystąpił błąd prztwarzania, ale nastąpi kolejna próba jego przetworzenia'));
					}
				}
				if (count($layers)) $this->mapGenerate();
			}

			$bashSchema='
rm -rf __PATH__/.wms
mkdir __PATH__/.wms
lock="/tmp/generate_wms-__ID__.lock"
touch ${lock}


/opt/local/bin/gdal_translate -of GTiff -co "TILED=YES" -co "COMPRESS=DEFLATE" -co "ZLEVEL=9" -co "BIGTIFF=YES" __PATH__/__FILE__ __PATH__/.wms/__FILE__ && /opt/local/bin/gdaladdo -r average __PATH__/.wms/__FILE__ 2 4 8 16 32 64 128
rm -f ${lock}
touch __PATH__/.wms/.completed
echo "Successfully completed."
';
			$search=array('__ID__','__PATH__','__FILE__');

			$layers=DB::getPDO()->fetchall("select ID,FILE_NAME from WMS_LAYERS where FILE_STATUS='TO_GENERATE'");
			foreach ($layers as $layer) {
				$destFolderPath = $this->getDirectory($layer['ID']);
				if(!is_file($destFolderPath.'/'.$layer['FILE_NAME'])) {
					DB::getDB()->UPDATE_OBJ('WMS_LAYERS',(object) array('ID'=>$layer['ID'],'FILE_STATUS'=>'ERROR','FILE_STATUS_INFO'=>'Wystąpił błąd pliku tif'));
					throw new Exception("Błąd pliku: ".$layer['FILE_NAME']);
				}
				DB::getDB()->UPDATE_OBJ('WMS_LAYERS',(object) array('ID'=>$layer['ID'],'FILE_STATUS'=>'IN_PROGRESS','FILE_STATUS_INFO'=>'Plik w trakcie przetwarzania'));
				$replace = array($layer['ID'],$destFolderPath,$layer['FILE_NAME']);
				$bash = str_replace($search,$replace,$bashSchema);
				file_put_contents('/tmp/generate_wms-'.$layer['ID'].'.sh',$bash);
				shell_exec('nohup /bin/sh /tmp/generate_wms-'.$layer['ID'].'.sh > /tmp/generate_wms-'.$layer['ID'].'.log 2>&1 & echo $!');
			}
				
		} catch (Exception $e) {
			echo $e->getMessage()."\n";
		}
	}

	public function doGenerateAction() {
		$this->doGenerate();
//		echo "OK\n";
	}

	public function reinstallAction() {
		$this->reinstall();
		die('OK');
	}

/*	public function reinstall() {
		$sqlList = array();
		//$sqlList['RemoveTable'] = "DROP TABLE IF EXISTS `CRM_CONFIG`";
		$sqlList['InstallTable'] = <<<SQL

CREATE TABLE IF NOT EXISTS `CRM_CONFIG` (
	`ID` int(11) NOT NULL AUTO_INCREMENT,
	`CONF_KEY` varchar(64) NOT NULL,
	`CONF_VAL` text NOT NULL,
	PRIMARY KEY (`ID`),
	UNIQUE KEY `CONF_KEY` (`CONF_KEY`)
) ENGINE=MyISAM  DEFAULT CHARSET=utf8;

SQL;
		$db = DB::getDB();
		if ($db->has_errors()) {
			throw new Exception("DB Errors: " . implode("\n<br>", $db->get_errors()));
		}
		foreach ($sqlList as $sqlName => $sql) {
			$res = $db->query($sql);
			if ($db->has_errors()) {
				throw new Exception("DB Errors at sql '{$sqlName}': " . implode("\n<br>", $db->get_errors()));
			}
		}
	}
*/

}