/lib/httparty/hash_conversions.rb
http://github.com/jnunemaker/httparty · Ruby · 69 lines · 45 code · 7 blank · 17 comment · 3 complexity · ecbc5800249d18aa51629a5b59583570 MD5 · raw file
- require 'erb'
- module HTTParty
- module HashConversions
- # @return <String> This hash as a query string
- #
- # @example
- # { name: "Bob",
- # address: {
- # street: '111 Ruby Ave.',
- # city: 'Ruby Central',
- # phones: ['111-111-1111', '222-222-2222']
- # }
- # }.to_params
- # #=> "name=Bob&address[city]=Ruby Central&address[phones][]=111-111-1111&address[phones][]=222-222-2222&address[street]=111 Ruby Ave."
- def self.to_params(hash)
- hash.to_hash.map { |k, v| normalize_param(k, v) }.join.chop
- end
- # @param key<Object> The key for the param.
- # @param value<Object> The value for the param.
- #
- # @return <String> This key value pair as a param
- #
- # @example normalize_param(:name, "Bob Jones") #=> "name=Bob%20Jones&"
- def self.normalize_param(key, value)
- normalized_keys = normalize_keys(key, value)
- normalized_keys.flatten.each_slice(2).inject('') do |string, (k, v)|
- string + "#{ERB::Util.url_encode(k)}=#{ERB::Util.url_encode(v.to_s)}&"
- end
- end
- def self.normalize_keys(key, value)
- stack = []
- normalized_keys = []
- if value.respond_to?(:to_ary)
- if value.empty?
- normalized_keys << ["#{key}[]", '']
- else
- normalized_keys = value.to_ary.flat_map do |element|
- normalize_keys("#{key}[]", element)
- end
- end
- elsif value.respond_to?(:to_hash)
- stack << [key, value.to_hash]
- else
- normalized_keys << [key.to_s, value]
- end
- stack.each do |parent, hash|
- hash.each do |child_key, child_value|
- if child_value.respond_to?(:to_hash)
- stack << ["#{parent}[#{child_key}]", child_value.to_hash]
- elsif child_value.respond_to?(:to_ary)
- child_value.to_ary.each do |v|
- normalized_keys << normalize_keys("#{parent}[#{child_key}][]", v).flatten
- end
- else
- normalized_keys << normalize_keys("#{parent}[#{child_key}]", child_value).flatten
- end
- end
- end
- normalized_keys
- end
- end
- end