From ca4329ca1f55a97ee92b0f228883af24dc740634 Mon Sep 17 00:00:00 2001
From: Johan Vervloet <johan.vervloet@gmail.com>
Date: Wed, 13 Aug 2014 20:28:22 +0200
Subject: [PATCH] CRM-15104 - applied the changes suggested by @colemanw.

----------------------------------------
* CRM-15104: Line item issues when creating a participant using the API
  https://issues.civicrm.org/jira/browse/CRM-15104
---
 api/v3/Participant.php | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/api/v3/Participant.php b/api/v3/Participant.php
index c3a705b7e6..21c5efd163 100644
--- a/api/v3/Participant.php
+++ b/api/v3/Participant.php
@@ -84,14 +84,10 @@ function _civicrm_api3_participant_createlineitem(&$params, $participant){
   // it is possible that a fee level contains information about multiple
   // price field values.
 
-  $priceFieldValueDetails = explode(
-    CRM_Core_DAO::VALUE_SEPARATOR,
+  $priceFieldValueDetails = CRM_Utils_Array::explodePadded(
     $params["fee_level"]);
 
   foreach($priceFieldValueDetails as $detail) {
-    if (empty($detail)) continue;
-
-
     if (preg_match('/- ([0-9]+)$/', $detail, $matches)) {
       // it is possible that a price field value is payd for multiple times.
       // (FIXME: if the price field value ends in minus followed by whitespace
@@ -106,18 +102,21 @@ function _civicrm_api3_participant_createlineitem(&$params, $participant){
       $qty = 1;
     }
 
-    // TODO: I think we might have troubles with SQL injection below.
-
     $sql = "
       SELECT      ps.id AS setID, pf.id AS priceFieldID, pfv.id AS priceFieldValueID, pfv.amount AS amount
       FROM  civicrm_price_set_entity cpse
-      LEFT JOIN civicrm_price_set ps ON cpse.price_set_id = ps.id AND cpse.entity_id = {$params['event_id']} AND cpse.entity_table = 'civicrm_event'
+      LEFT JOIN civicrm_price_set ps ON cpse.price_set_id = ps.id AND cpse.entity_id = %1 AND cpse.entity_table = 'civicrm_event'
       LEFT JOIN   civicrm_price_field pf ON pf.`price_set_id` = ps.id
       LEFT JOIN   civicrm_price_field_value pfv ON pfv.price_field_id = pf.id
-      where ps.id is not null and pfv.label = '{$label}'
+      where ps.id is not null and pfv.label = %2
     ";
 
-    $dao = CRM_Core_DAO::executeQuery($sql);
+    $qParams = array(
+      1 => array($params['event_id'], 'Integer'),
+      2 => array($label, 'String'),
+    );
+
+    $dao = CRM_Core_DAO::executeQuery($sql, $qParams);
     if ($dao->fetch()) {
       $lineItemparams = array(
         'price_field_id' => $dao->priceFieldID,
-- 
2.25.1