module ApiMe class Pagination attr_accessor :page_size, :page_offset, :scope def initialize(scope:, page_params:) self.scope = scope if page_params self.page_size = page_params[:size] self.page_offset = page_params[:offset] end end def results paging? ? page.per.scope : scope end def page_meta return Hash.new unless paging? { size: page_size.nil? ? default_page_size : page_size, offset: page_offset, record_count: scope.size, total_records: scope.total_count, total_pages: scope.total_pages } end protected def page self.scope = scope.page(self.page_offset ? page_offset : 1) self end def per if page_size self.scope = scope.per(page_size) end self end private def default_page_size Kaminari.config.default_per_page end def paging? page_size || page_offset end end end