Module: Cistern::Attributes::ClassMethods

Included in:
Collection, Model, Singular
Defined in:
lib/cistern/attributes.rb

Instance Method Summary collapse

Instance Method Details

#_load(marshalled) ⇒ Object 



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# File 'lib/cistern/attributes.rb', line 48

def _load(marshalled)
  new(Marshal.load(marshalled))
end

#aliases ⇒ Object 



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# File 'lib/cistern/attributes.rb', line 52

def aliases
  @aliases ||= Hash.new { |h,k| h[k] = [] }
end

#attribute(_name, options = {}) ⇒ Object 



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# File 'lib/cistern/attributes.rb', line 60

def attribute(_name, options = {})
  if defined? Cistern::Coverage
    attribute_call = Cistern::Coverage.find_caller_before("cistern/attributes.rb")

    # Only use DSL attribute calls from within a model
    if attribute_call and attribute_call.label.start_with? "<class:"
      options[:coverage_file] = attribute_call.absolute_path
      options[:coverage_line] = attribute_call.lineno
      options[:coverage_hits] = 0
    end
  end

  name = _name.to_s.to_sym

  self.send(:define_method, name) do
    read_attribute(name)
  end unless self.instance_methods.include?(name)

  if options[:type] == :boolean
    self.send(:alias_method, "#{name}?", name)
  end

  self.send(:define_method, "#{name}=") do |value|
    write_attribute(name, value)
  end unless self.instance_methods.include?("#{name}=".to_sym)

  if self.attributes[name]
    raise(ArgumentError, "#{self.name} attribute[#{_name}] specified more than once")
  else
    if options[:squash]
      options[:squash] = Array(options[:squash]).map(&:to_s)
    end
    self.attributes[name] = options
  end

  options[:aliases] = Array(options[:aliases]).map { |a| a.to_s.to_sym }

  options[:aliases].each do |new_alias|
    aliases[new_alias] << name.to_s.to_sym
  end
end

#attributes ⇒ Object 



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# File 'lib/cistern/attributes.rb', line 56

def attributes
  @attributes ||= {}
end

#identity(name, options = {}) ⇒ Object 



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# File 'lib/cistern/attributes.rb', line 102

def identity(name, options = {})
  @identity = name
  self.attribute(name, options)
end

#ignore_attributes(*args) ⇒ Object 



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# File 'lib/cistern/attributes.rb', line 107

def ignore_attributes(*args)
  @ignored_attributes = args
end

#ignored_attributes ⇒ Object 



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# File 'lib/cistern/attributes.rb', line 111

def ignored_attributes
  @ignored_attributes ||= []
end