- Remove parameters "new" after checked it in method postPrestudentstatus of controller Prestudentstatus

- Method insert of DB_Model doesn't use anymore insert_id() from CI because it forces to have a sequence
  and doesn't return the primary key when it's composed by more columns

application/controllers/api/v1/crm/Prestudentstatus.php

@@ -61,6 +61,9 @@ class Prestudentstatus extends APIv1_Controller
 		{
 			if(isset($prestudentstatus['new']) && $prestudentstatus['new'] == true)
 			{
+				// Remove new parameter to avoid DB insert errors
+				unset($prestudentstatus['new']);
+				
 				$result = $this->PrestudentstatusModel->insert($prestudentstatus);
 			}
 			else

application/core/DB_Model.php

@@ -33,7 +33,21 @@ class DB_Model extends FHC_Model
 
 		// DB-INSERT
 		if ($this->db->insert($this->dbTable, $data))
-			return $this->_success($this->db->insert_id());
+		{
+			// Avoid to use method insert_id() from CI because it forces to have a sequence
+			// and doesn't return the primary key when it's composed by more columns
+			$primaryKeysArray = array();
+			
+			foreach ($this->pk as $key => $value)
+			{
+				if(isset($data[$value]))
+				{
+					$primaryKeysArray[$value] = $data[$value];
+				}
+			}
+			
+			return $this->_success($primaryKeysArray);
+		}
 		else
 			return $this->_error($this->db->error(), FHC_DB_ERROR);
 	}