Module: TheBigDB::Helpers

Defined in:
lib/thebigdb/helpers.rb

Class Method Summary collapse

Class Method Details

.flatten_params_keys(params) ⇒ Object

flatten_params_keys(“brick and mortar”, animals: [“cat”, “dog”], computers: {cool: true, drives: [“hard”, “flash”]})

> => “brick and mortar”, “animals” => “cat”, “animals” => “dog”, “computers” => “true”, “computers[0]” => “hard”, “computers[1]” => “flash”



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# File 'lib/thebigdb/helpers.rb', line 30

def self.flatten_params_keys(params)
  serialized_params = self.serialize_query_params(params)
  new_params = {}
  serialized_params.split("&").each do |assign|
    key, value = assign.split("=")
    new_params[URI.decode(key)] = URI.decode(value)
  end
  new_params
end

.serialize_query_params(params, prefix = nil) ⇒ Object

serialize_query_params(“brick and mortar”, animals: [“cat”, “dog”], computers: {cool: true, drives: [“hard”, “flash”]})

> house=brick%20and%20mortar&animals%5B0%5D=cat&animals%5B1%5D=dog&computers%5Bcool%5D=true&computers%5Bdrives%5D%5B0%5D=hard&computers%5Bdrives%5D%5B1%5D=flash

which will be read by the server as:

> house=brick%20and%20mortar&animals[]=cat&animals=dog&computers=true&computers[]=hard&computers[]=flash



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# File 'lib/thebigdb/helpers.rb', line 8

def self.serialize_query_params(params, prefix = nil)
  ret = []
  params.each_pair do |key, value|
    param_key = prefix ? "#{prefix}[#{key}]" : key

    if value.is_a?(Hash)
      ret << self.serialize_query_params(value, param_key.to_s)
    elsif value.is_a?(Array)
      sub_hash = {}
      value.each_with_index do |value_item, i|
        sub_hash[i.to_s] = value_item
      end
      ret << self.serialize_query_params(sub_hash, param_key.to_s)
    else
      ret << URI.encode_www_form_component(param_key.to_s) + "=" + URI.encode_www_form_component(value.to_s).gsub("+", "%20")
    end
  end
  ret.join("&")
end

.stringify_keys(hash) ⇒ Object

Inspired by on ActiveSupport’s stringify_keys



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# File 'lib/thebigdb/helpers.rb', line 41

def self.stringify_keys(hash)
  hash.inject({}) do |options, (key, value)|
    options[key.to_s] = value
    options
  end
end