Class: Hash

Inherits:
Object show all
Defined in:
lib/core_extensions.rb

Overview

class String

Instance Method Summary collapse

Instance Method Details

#normalize_param(key, value) ⇒ String

Returns This key value pair as a param.

Examples:

normalize_param(:name, “Bob Jones”) #=> “name=Bob%20Jones&”

Parameters:

  • key (Object) —

    The key for the param.

  • value (Object) —

    The value for the param.

Returns:

  • (String) —

    This key value pair as a param



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# File 'lib/core_extensions.rb', line 115

def normalize_param(key, value)
  param = ''
  stack = []

  if value.is_a?(Array)
    param << value.map { |element| normalize_param("#{key}[]", element) }.join
  elsif value.is_a?(Hash)
    stack << [key,value]
  else
    param << "#{key}=#{URI.encode(value.to_s, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))}&"
  end

  stack.each do |parent, hash|
    hash.each do |key, value|
      if value.is_a?(Hash)
        stack << ["#{parent}[#{key}]", value]
      else
        param << normalize_param("#{parent}[#{key}]", value)
      end
    end
  end

  param
end

#to_params(remove_blanks = true) ⇒ String

Returns This hash as a query string.

Examples:

{ :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."

Returns:

  • (String) —

    This hash as a query string



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# File 'lib/core_extensions.rb', line 102

def to_params(remove_blanks=true)
  self.reject! { |k,v| v.blank? } if remove_blanks
  params = self.map { |k,v| normalize_param(k,v) }.join
  params.chop! # trailing &
  params
end