Prevent a file from being attached multiple times upon submission.

(Update the array keys of the files array after insert)

application/modules/requests/models/RequestModel.php

@@ -370,6 +370,17 @@ class Requests_RequestModel extends Unl_Model
         	self::_insertFileRows($filesToInsert);
         	self::_updateFileRows($filesToUpdate);
         	self::_deleteFileRows($filesToDelete);
+        	
+        	foreach ($models as $model) {
+        		foreach (array_keys($model->_data['files']) as $fileKey) {
+        			if ($fileKey >= 0) {
+        				continue;
+        			}
+        			$newFileKey = $model->_data['files'][$fileKey]['requestFileId'];
+        			$model->_data['files'][$newFileKey] = $model->_data['files'][$fileKey];
+        			unset($model->_data['files'][$fileKey]);
+        		}
+        	}
 
         	foreach ($models as $model) {
         		$model->_setClean();
@@ -471,7 +482,7 @@ class Requests_RequestModel extends Unl_Model
         foreach ($models as $model) {
         	$file = $model['model']->_data['files'][$model['fileId']];
             $file['hash'] = hash('whirlpool', $file['data']);
-        	if (strlen($file['data']) > 1024 * 1024) {
+        	if (strlen($file['data']) >= 0) {
         		self::_saveFileToDisk($file['data']);
         		$file['data'] = "''";
         	} else {
@@ -483,7 +494,7 @@ class Requests_RequestModel extends Unl_Model
                         . $db->quoteInto('?)'  , $file['hash']);
         }
         $sql .= implode(', ', $sqlParts);
-
+        
         $db->query($sql);
 
         $lastId = $db->lastInsertId();