From d665bccaa9ea9af94342a4fa96be545dc1dcd571 Mon Sep 17 00:00:00 2001
From: Silvio <silvio@devlet.com.br>
Date: Tue, 16 Nov 2010 18:03:03 -0200
Subject: Trying to avoid duplicate entries at addManyToManyEntities()

---
 lib/sfIsisImporterRelations.class.php | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'lib/sfIsisImporterRelations.class.php')

diff --git a/lib/sfIsisImporterRelations.class.php b/lib/sfIsisImporterRelations.class.php
index bf41120..248bf99 100644
--- a/lib/sfIsisImporterRelations.class.php
+++ b/lib/sfIsisImporterRelations.class.php
@@ -151,9 +151,19 @@ class sfIsisImporterRelations extends sfIsisImporterEntities {
    */
   public function addManyToManyEntities(&$model, array $values, $relation, $key = 'name')
   {
+    $existing = array();
+
     foreach ($values as $value)
     {
-      $this->addManyToMany($model, $value, $relation, $key);
+      // Prevent duplicate entries.
+      if (!in_array($value, $existing))
+      {
+        $existing[] = $value;
+        $this->addManyToMany($model, $value, $relation, $key);
+      }
+      else {
+        $this->log("Found duplicate entry $value for relation $key.", 'debug');
+      }
     }
   }
 
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