// Deleting all attachments for an Incident
  public void deleteAllAttachmentsForIncident(Incident incident) {
    db = dbHelper.getWritableDatabase();

    if (incident.getAttachments().size() > 0) {
      for (Attachment anAttachment : incident.getAttachments()) {
        attachment_dao.deleteSingleAttachment(anAttachment);
      }
    }

    db.delete(
        Constants.TABLE_INCIDENT_ATTACHMENT,
        "Incident_Id" + " = ?",
        new String[] {String.valueOf(incident.getId())});
  }