Fixed issue #12012: Partcipant with invlaid email are silently deleted

application/controllers/admin/tokens.php

@@ -596,7 +596,7 @@ public function addnew($iSurveyId)
                 'validuntil' => $validuntil,
             );
 
-            // add attributes
+            // Add attributes
             $attrfieldnames = Survey::model()->findByPk($iSurveyId)->tokenAttributes;
             $aTokenFieldNames=Yii::app()->db->getSchema()->getTable("{{tokens_$iSurveyId}}",true);
             $aTokenFieldNames=array_keys($aTokenFieldNames->columns);
@@ -618,10 +618,14 @@ public function addnew($iSurveyId)
                 $token = Token::create($iSurveyId);
                 $token->setAttributes($aData, false);
                 $inresult = $token->save();
-                $aData['success'] = true;
+                $aData['success'] = $inresult;
+                $aData['errors'] = $token->getErrors();
             }
             else {
                 $aData['success'] = false;
+                $aData['errors'] = array(
+                    'token' => array(gT("There is already an entry with that exact token in the table. The same token cannot be used in multiple entries."))
+                );
             }
 
             $aData['thissurvey'] = getSurveyInfo($iSurveyId);

application/views/admin/token/addtokenpost.php

@@ -29,7 +29,9 @@
                 <div class="jumbotron message-box message-box-error">
                     <h2 class="text-danger">Add token entry</h2>
                     <p class="lead text-danger"><?php eT("Failed"); ?></p>
-                    <p><?php eT("There is already an entry with that exact token in the table. The same token cannot be used in multiple entries."); ?></p>
+                    <?php foreach ($errors as $error): ?>
+                        <p class='lead'><?php echo $error[0]; ?></p>
+                    <?php endforeach; ?>
                     <div class="container">
                         <div class="col-md-12 col-lg-4 col-lg-offset-2">
                             <input type='button' class="btn btn-large btn-default" value='<?php eT("Browse survey participants"); ?>' onclick="window.open('<?php echo $this->createUrl("admin/tokens/sa/browse/surveyid/$surveyid"); ?>', '_top')" /><br />