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# this extension is loaded in environment.rb
module WillPaginateExtension
class LinkRenderer < WillPaginate::LinkRenderer
def page_link(page, text, attributes = {})
# Hack for admin pages, when proxied via https on mySociety servers, they
# need a relative URL.
url = url_for(page)
if url.match(/\/admin.*(\?.*)/)
url = $1
end
# Hack around our type-ahead search magic
if url.match(/\/body\/search_ahead/)
url.sub!("/body/search_ahead", "/select_authority")
end
@template.link_to text, url, attributes
end
# Returns URL params for +page_link_or_span+, taking the current GET params
# and <tt>:params</tt> option into account.
def url_for(page)
page_one = page == 1
unless @url_string and !page_one
@url_params = {}
# page links should preserve GET parameters
stringified_merge @url_params, @template.params if @template.request.get?
stringified_merge @url_params, @options[:params] if @options[:params]
if complex = param_name.index(/[^\w-]/)
page_param = parse_query_parameters("#{param_name}=#{page}")
stringified_merge @url_params, page_param
else
@url_params[param_name] = page_one ? 1 : 2
end
# the following line makes pagination work on our specially munged search page
combined = @template.request.path_parameters["combined"]
@url_params["combined"] = combined if !combined.nil?
url = @template.url_for(@url_params)
return url if page_one
if complex
@url_string = url.sub(%r!((?:\?|&)#{CGI.escape param_name}=)#{page}!, "\\1\0")
return url
else
@url_string = url
@url_params[param_name] = 3
@template.url_for(@url_params).split(//).each_with_index do |char, i|
if char == '3' and url[i, 1] == '2'
@url_string[i] = "\0"
break
end
end
end
end
# finally!
@url_string.sub "\0", page.to_s
end
end
end
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