Advanced Search

SVN:b1162[5392]

sources/application/search/criterionparser.class.inc.php

@@ -0,0 +1,114 @@
+<?php
+/**
+ * Copyright (C) 2010-2018 Combodo SARL
+ *
+ * This file is part of iTop.
+ *
+ *  iTop is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * iTop is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with iTop. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+/**
+ * Created by PhpStorm.
+ * User: Eric
+ * Date: 08/03/2018
+ * Time: 11:25
+ */
+
+namespace Combodo\iTop\Application\Search;
+
+
+use DBObjectSearch;
+use IssueLog;
+use OQLException;
+
+class CriterionParser
+{
+
+	/**
+	 * @param $sBaseOql
+	 * @param $aCriterion
+	 *
+	 * @return string
+	 */
+	public static function Parse($sBaseOql, $aCriterion)
+	{
+		$aExpression = array();
+		$aOr = $aCriterion['or'];
+		foreach($aOr as $aAndList)
+		{
+
+			$sExpression = self::ParseAndList($aAndList['and']);
+			if (!empty($sExpression))
+			{
+				$aExpression[] = $sExpression;
+			}
+		}
+
+		if (empty($aExpression))
+		{
+			return $sBaseOql;
+		}
+
+		// Sanitize the base OQL
+		if (strpos($sBaseOql, ' WHERE '))
+		{
+			try
+			{
+				$oSearch = DBObjectSearch::FromOQL($sBaseOql);
+				$oSearch->ResetCondition();
+				$sBaseOql = $oSearch->ToOQL();
+			} catch (OQLException $e)
+			{
+				IssueLog::Error($e->getMessage());
+			}
+		}
+
+		return $sBaseOql.' WHERE '.implode(" OR ", $aExpression).'';
+	}
+
+	private static function ParseAndList($aAnd)
+	{
+		$aExpression = array();
+		foreach($aAnd as $aCriteria)
+		{
+			$aExpression[] = self::ParseCriteria($aCriteria);
+		}
+
+		if (empty($aExpression))
+		{
+			return '';
+		}
+
+		return '('.implode(" AND ", $aExpression).')';
+	}
+
+	private static function ParseCriteria($aCriteria)
+	{
+
+		if (!empty($aCriteria['oql']))
+		{
+			return $aCriteria['oql'];
+		}
+
+		// TODO Manage more complicated case
+		$aRef = explode('.', $aCriteria['ref']);
+		$sRef = '`'.$aRef[0].'`.`'.$aRef[1].'`';
+
+		$sOperator = $aCriteria['operator'];
+		$sValue = $aCriteria['values'][0]['value'];
+
+		return "({$sRef} {$sOperator} '{$sValue}')";
+	}
+}