code: def paginator(limit, offset, record_count, base_uri, page_nav_tpl='&limit={}&offset={}'):
      
  
      total_pages = int(math.ceil(record_count / limit))
  
      next_cond = limit + offset <= record_count
      prev_cond = offset >= limit
  
      next_page = base_uri + page_nav_tpl.format(limit, offset + limit) if next_cond else None
  
      prev_page = base_uri + page_nav_tpl.format(limit, offset - limit) if prev_cond else None
  
      return OrderedDict([
          ('total_count', record_count),
          ('total_pages', total_pages),
          ('next_page', next_page),
          ('prev_page', prev_page)
      ])
docs: Compute pagination info for collection filtering.
  
      Args:
          limit (int): Collection filter limit.
          offset (int): Collection filter offset.
          record_count (int): Collection filter total record count.
          base_uri (str): Collection filter base uri (without limit, offset)
          page_nav_tpl (str): Pagination template.
  
      Returns:
          A mapping of pagination info.