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# See the Pagy documentation: https://ddnexus.github.io/pagy/extras/metadata
# encoding: utf-8
# frozen_string_literal: true
class Pagy
# Add a specialized backend method for pagination metadata
module Backend ; private
METADATA = [ :scaffold_url, :first_url, :prev_url, :page_url, :next_url, :last_url,
:count, :page, :items, :vars, :pages, :last, :from, :to, :prev, :next, :series ]
METADATA << :sequels if VARS.key?(:steps) # :steps gets defined along with the #sequels method
VARS[:metadata] = METADATA.dup
include Helpers
def pagy_metadata(pagy, url=false)
names = pagy.vars[:metadata]
(unknown = names - METADATA).empty? or raise(VariableError.new(pagy), "unknown metadata #{unknown.inspect}")
scaffold_url = pagy_url_for(PAGE_PLACEHOLDER, pagy, url)
metadata = {}
names.each do |key|
metadata[key] = case key
when :scaffold_url ; scaffold_url
when :first_url ; scaffold_url.sub(PAGE_PLACEHOLDER, 1.to_s)
when :prev_url ; scaffold_url.sub(PAGE_PLACEHOLDER, pagy.prev.to_s)
when :page_url ; scaffold_url.sub(PAGE_PLACEHOLDER, pagy.page.to_s)
when :next_url ; scaffold_url.sub(PAGE_PLACEHOLDER, pagy.next.to_s)
when :last_url ; scaffold_url.sub(PAGE_PLACEHOLDER, pagy.last.to_s)
else pagy.send(key)
end
end
metadata
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems