Modified "updatequestion" to check if any conditions are reliant on t…

…his question, and if the type of question is being changed, to NOT update the question, and give explanatory message.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@335 b72ed6b6-b9f8-46b5-92b4-906544132732

admin/database.php

@@ -131,26 +131,43 @@
 
 elseif ($action == "updatequestion")
 	{
+	$cqquery = "SELECT type FROM questions WHERE qid={$_POST['qid']}";
+	$cqresult=mysql_query($cqquery) or die ("Couldn't get question type to check for change<br />$cqquery<br />".mysql_error());
+	while ($cqr=mysql_fetch_array($cqresult)) {$oldtype=$cqr['type'];}
+	if ($oldtype != $_POST['type'])
+		{
+		//Make sure there are no conditions based on this question, since we are changing the type
+		$ccquery = "SELECT * FROM conditions WHERE cqid={$_POST['qid']}";
+		$ccresult = mysql_query($ccquery) or die ("Couldn't get list of cqids for this question<br />$ccquery<br />".mysql_error());
+		$cccount=mysql_num_rows($ccresult);
+		while ($ccr=mysql_fetch_array($ccresult)) {$qidarray[]=$ccr['qid'];}
+		if ($qidarray) {$qidlist=implode(", ", $qidarray);}
+		}
 	if (get_magic_quotes_gpc() == "0")
 		{
 		$_POST['title'] = addcslashes($_POST['title'], "'");
 		$_POST['question'] = addcslashes($_POST['question'], "'");
 		$_POST['help'] = addcslashes($_POST['help'], "'");
 		}
-	$uqquery = "UPDATE questions SET type='{$_POST['type']}', title='{$_POST['title']}', "
-			. "question='{$_POST['question']}', help='{$_POST['help']}', gid='{$_POST['gid']}', "
-			. "other='{$_POST['other']}', mandatory='{$_POST['mandatory']}' "
-			. "WHERE sid={$_POST['sid']} AND qid={$_POST['qid']}";
-	//echo $uqquery;
-	$uqresult = mysql_query($uqquery);
-	if ($uqresult)
-		{
-		//echo "<script type=\"text/javascript\">\n<!--\n alert(\"Your Question ($title) has been updated!\")\n //-->\n</script>\n";
+	if ($cccount)
+		{
+		echo "<script type=\"text/javascript\">\n<!--\n alert(\"Your question could not be updated! Other questions (qid $qidlist) are conditional based on the responses to this question and changing the type will cause problems. You must remove any conditions based on this question before changing this question type.\")\n //-->\n</script>\n";
 		}
 	else
 		{
-		echo "<script type=\"text/javascript\">\n<!--\n alert(\"Your question could not be updated!\")\n //-->\n</script>\n";
-		//echo "$uqquery | ".mysql_error();
+		$uqquery = "UPDATE questions SET type='{$_POST['type']}', title='{$_POST['title']}', "
+				. "question='{$_POST['question']}', help='{$_POST['help']}', gid='{$_POST['gid']}', "
+				. "other='{$_POST['other']}', mandatory='{$_POST['mandatory']}' "
+				. "WHERE sid={$_POST['sid']} AND qid={$_POST['qid']}";
+		//echo $uqquery;
+		$uqresult = mysql_query($uqquery);
+		if ($uqresult)
+			{
+			}
+		else
+			{
+			echo "<script type=\"text/javascript\">\n<!--\n alert(\"Your question could not be updated!\")\n //-->\n</script>\n";
+			}
 		}
 	}