pagination_helper.rb revision 5b5a719ebc902d7e2bacd575a4f80816c02594be
# call the collection-method if no collection is given
html = ''
html << pages
html << capture(&block)
html << pages
html.html_safe
end
# Kaminari generates a URL from the params hash. The URL is, however, not
# compatible to loc/ids.
# This method builds the loc/id compatible link to the page.
def build_link_from_request(kaminari_url)
page, per_page = params_from_kaminari_url(kaminari_url)
query_string_parts = request.env['QUERY_STRING'].
split(/;|&/).
map { |p| p.split('=') }
query_string_parts = replace_page_params(query_string_parts, page, per_page)
query_string = build_query_string(query_string_parts)
[request.env['REQUEST_PATH'], query_string].compact.join('?')
end
# Kaminari generates a URL from the params hash. The URL is, however, not
# compatible to loc/ids.
# This method extracts the page number and page size from the generated url.
def params_from_kaminari_url(kaminari_url)
page =
if (match = kaminari_url.match(/[\?&]page=(\d+)/)) ? match[1] : 1
match[1]
end
per_page =
if match = kaminari_url.match(/[\?&]per_page=(\d+)/)
match[1]
end
[page || 1, per_page]
end
private
def replace_page_params(page, per_page)
query_string_parts.reject! { |p| p.first == 'page' } if page
query_string_parts.reject! { |p| p.first == 'per_page' } if per_page
query_string_parts << ['page', page] if page
if per_page && per_page != :default
query_string_parts << ['per_page', per_page]
end
query_string_parts
end
def build_query_string(query_string_parts)
query_string = query_string_parts.map { |p| p.join('=') }.join('&')
query_string if query_string.present?
end
end