Class: SimpleJsonapi::Node::ObjectMeta

Inherits:
Base
  • Object
show all
Defined in:
lib/simple_jsonapi/node/object_meta.rb

Overview

Represents a meta object (a collection of meta members).

Instance Attribute Summary collapse

Attributes inherited from Base

#extras, #fields_spec, #include_spec, #root_node, #serializer, #serializer_inferrer, #sort_spec

Instance Method Summary collapse

Constructor Details

#initialize(object:, meta_definitions:, **options) ⇒ ObjectMeta

Returns a new instance of ObjectMeta.

Parameters:



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# File 'lib/simple_jsonapi/node/object_meta.rb', line 14

def initialize(object:, meta_definitions:, **options)
  super(options)

  @object = object
  @meta_definitions = meta_definitions || {}
end

Instance Attribute Details

#meta_definitions ⇒ Hash{Symbol => Definition::Meta} (readonly)

Returns:



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# File 'lib/simple_jsonapi/node/object_meta.rb', line 8

class ObjectMeta < Base
  attr_reader :object, :meta_definitions

  # @param object [Object]
  # @param meta_definitions [Hash{Symbol => Definition::Meta}]
  # @param options see {Node::Base#initialize} for additional parameters
  def initialize(object:, meta_definitions:, **options)
    super(options)

    @object = object
    @meta_definitions = meta_definitions || {}
  end

  # @return [Hash{Symbol => Hash}]
  def as_jsonapi
    if meta_definitions_to_render.any?
      json = {}
      meta_definitions_to_render.each do |name, defn|
        json[name] = evaluate(defn.value_proc, object)
      end
      { meta: json }
    else
      {}
    end
  end

  private

  def meta_definitions_to_render
    @meta_definitions_to_render ||= @meta_definitions.select { |_, defn| render?(defn, object) }
  end
end

#object ⇒ Object (readonly)

Returns:

  • (Object) 


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# File 'lib/simple_jsonapi/node/object_meta.rb', line 8

class ObjectMeta < Base
  attr_reader :object, :meta_definitions

  # @param object [Object]
  # @param meta_definitions [Hash{Symbol => Definition::Meta}]
  # @param options see {Node::Base#initialize} for additional parameters
  def initialize(object:, meta_definitions:, **options)
    super(options)

    @object = object
    @meta_definitions = meta_definitions || {}
  end

  # @return [Hash{Symbol => Hash}]
  def as_jsonapi
    if meta_definitions_to_render.any?
      json = {}
      meta_definitions_to_render.each do |name, defn|
        json[name] = evaluate(defn.value_proc, object)
      end
      { meta: json }
    else
      {}
    end
  end

  private

  def meta_definitions_to_render
    @meta_definitions_to_render ||= @meta_definitions.select { |_, defn| render?(defn, object) }
  end
end

Instance Method Details

#as_jsonapi ⇒ Hash{Symbol => Hash}

Returns:

  • (Hash{Symbol => Hash}) 


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# File 'lib/simple_jsonapi/node/object_meta.rb', line 22

def as_jsonapi
  if meta_definitions_to_render.any?
    json = {}
    meta_definitions_to_render.each do |name, defn|
      json[name] = evaluate(defn.value_proc, object)
    end
    { meta: json }
  else
    {}
  end
end