module RandomAttributes

RandomAttributes

Getters, setters and object building for a someone elses data structure.

Example:

class Runner
  include RandomAttributes
  attribute 'runnerName', alias: :name
end

runner = Runner.new "runnerName" => "Phar Lap"
runner.name #=> "Phar Lap"

Constants

VERSION

Public Class Methods

new(attrs = nil) click to toggle source

# File lib/random_attributes.rb, line 129
def initialize(attrs = nil)
  parse attrs
end

Public Instance Methods

attributes() click to toggle source

# File lib/random_attributes.rb, line 149
def attributes
  @raw_attributes ||= {}.freeze
end

cache_key() click to toggle source

# File lib/random_attributes.rb, line 133
def cache_key
  @raw_attributes_hash
end

merge_attributes(attrs = nil)

Alias for: parse

parse(attrs = nil) click to toggle source

# File lib/random_attributes.rb, line 137
def parse(attrs = nil)
  @parsed_attributes = {}
  attrs && attrs.stringify_keys!
  run_callbacks :parse do
    @raw_attributes = attributes.merge(attrs.nil? ? {} : attrs).freeze
    @raw_attributes_hash = Digest::MD5.hexdigest(attributes.to_s)
  end
  self
end

Also aliased as: merge_attributes

Private Instance Methods

_get_attribute(register) click to toggle source

# File lib/random_attributes.rb, line 178
def _get_attribute(register)

  value = attributes[register.aliased]

  unless value
    if register.try_node
      if try_node = send(register.try_node)
        value = _search_originals register, try_node
      else
        value = _search_originals register, attributes
      end
    elsif register.parent_node
      if parent_node = send(register.parent_node)
        value = _search_originals register, parent_node
      end
    else
      value = _search_originals register, attributes
    end
  end

  register.cast(value)
end

_search_originals(register, node, value = nil) click to toggle source

# File lib/random_attributes.rb, line 171
def _search_originals(register, node, value = nil)
   register.originals.each do |key|
     break if value = node[key]
   end
   value
end

get_attribute(register) click to toggle source

# File lib/random_attributes.rb, line 159
def get_attribute(register)
  if parsed_attributes.key?(register.aliased)
    parsed_attributes[register.aliased]
  else
    parsed_attributes[register.aliased] = _get_attribute(register)
  end
end

parsed_attributes() click to toggle source

# File lib/random_attributes.rb, line 155
def parsed_attributes
  @parsed_attributes ||= {}
end

set_attribute(key, value) click to toggle source

# File lib/random_attributes.rb, line 167
def set_attribute(key, value)
  parsed_attributes[key.to_s] = value
end