DbViewProxy.php

<?php
/*
 SPDX-FileCopyrightText: © 2014 Siemens AG
 
 SPDX-License-Identifier: GPL-2.0-only
*/
 
namespace Fossology\Lib\Proxy;
 
class DbViewProxy
{
  protected $dbViewName;
  protected $dbViewQuery;
  protected $materialized = false;
 
  public function __construct($dbViewQuery, $dbViewName)
  {
    $this->dbViewQuery = $dbViewQuery;
    $this->dbViewName = $dbViewName;
  }
 
  public function getDbViewName()
  {
    return $this->dbViewName;
  }
 
  public function materialize()
  {
    if ($this->materialized) {
      return;
    }
    global $container;
    $dbManager = $container->get('db.manager');
    $dbManager->queryOnce("CREATE TEMPORARY TABLE $this->dbViewName AS $this->dbViewQuery", "CREATE DbView ".$this->dbViewName);
    $this->materialized = true;
  }
 
  public function unmaterialize()
  {
    if (!$this->materialized) {
      return;
    }
    global $container;
    $dbManager = $container->get('db.manager');
    $dbManager->queryOnce("DROP TABLE $this->dbViewName", "DROP DbView ".$this->dbViewName);
    $this->materialized = false;
  }
 
  public function asCTE()
  {
    return "WITH $this->dbViewName AS (".$this->dbViewQuery.")";
  }
 
  public function getDbViewQuery()
  {
    return $this->dbViewQuery;
  }
}