module Solr4R::RequestUriExtension

# File lib/solr4r/uri_extension.rb, line 41
def with_params(params)
  self.params, query = params, [self.query].compact

  params.each { |key, value| query_pairs(key, value).each { |k, v|
    query << "#{CGI.escape(k.to_s)}=#{CGI.escape(v.to_s)}"
  } }

  self.query = query.join('&') unless query.empty?

  self
end

# File lib/solr4r/uri_extension.rb, line 55
def query_pairs(key, value, pairs = [])
  if value.is_a?(Hash)
    kv = value.fetch(vk = :_, true) and pairs << [key, kv]

    value.each { |sub, val|
      query_pairs("#{key}.#{sub}", val, pairs) unless sub == vk }
  else
    Array(value).each { |val| pairs << [key, val] unless val.nil? }
  end

  pairs
end