Class: Flexserializer::Base

Inherits:
ActiveModel::Serializer
  • Object
show all
Defined in:
lib/flexserializer/base.rb

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(object, options = {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/flexserializer/base.rb', line 24

def initialize(object, options = {})
  super(object, options)
  @_attributes_data = {}
  @group_name       = options[:group]
  @define_options   = options.clone
  make_all_attributes
end

Class Attribute Details

.data_default_attributes ⇒ Object

Returns the value of attribute data_default_attributes.



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# File 'lib/flexserializer/base.rb', line 4

def data_default_attributes
  @data_default_attributes
end

.groups ⇒ Object

Returns the value of attribute groups.



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# File 'lib/flexserializer/base.rb', line 4

def groups
  @groups
end

Instance Attribute Details

#_attributes_data ⇒ Object (readonly)

Returns the value of attribute _attributes_data.



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# File 'lib/flexserializer/base.rb', line 22

def _attributes_data
  @_attributes_data
end

#define_options ⇒ Object (readonly)

Returns the value of attribute define_options.



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# File 'lib/flexserializer/base.rb', line 22

def define_options
  @define_options
end

#group_name ⇒ Object (readonly)

Returns the value of attribute group_name.



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# File 'lib/flexserializer/base.rb', line 22

def group_name
  @group_name
end

Class Method Details

.default_attributes(&block) ⇒ Object 



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# File 'lib/flexserializer/base.rb', line 10

def default_attributes(&block)
  self.data_default_attributes = block
end

.group(*group_names, &block) ⇒ Object 



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# File 'lib/flexserializer/base.rb', line 14

def group(*group_names, &block)
  group_names.each do |name_group|
    self.groups[name_group] ||= []
    self.groups[name_group] << block
  end
end

.inherited(base) ⇒ Object 



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# File 'lib/flexserializer/base.rb', line 6

def inherited(base)
  base.groups = {}
end

Instance Method Details

#attributes(requested_attrs = nil, reload = false) ⇒ Object

override serializer methods



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# File 'lib/flexserializer/base.rb', line 62

def attributes(requested_attrs = nil, reload = false)
  @attributes = nil if reload
  @attributes ||= _attributes_data.each_with_object({}) do |(key, attr), hash|
    next if attr.excluded?(self)
    next unless requested_attrs.nil? || requested_attrs.include?(key)
    hash[key] = attr.value(self)
  end
end

#define_attribute(attr, options = {}, &block) ⇒ Object 



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# File 'lib/flexserializer/base.rb', line 39

def define_attribute(attr, options = {}, &block)
  key = options.fetch(:key, attr)
  _attributes_data[key] = Attribute.new(attr, options, block)
end

#define_attributes(*attrs) ⇒ Object 



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# File 'lib/flexserializer/base.rb', line 32

def define_attributes(*attrs)
  attrs = attrs.first if attrs.first.class == Array
  attrs.each do |attr|
    define_attribute(attr)
  end
end

#define_default_attrs ⇒ Object 



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# File 'lib/flexserializer/base.rb', line 49

def define_default_attrs
  return unless self.class.data_default_attributes
  self.instance_eval &self.class.data_default_attributes
end

#define_group_attrs ⇒ Object 



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# File 'lib/flexserializer/base.rb', line 54

def define_group_attrs
  self.class.groups.send(:[], group_name)&.each do |block| 
    self.instance_eval(&block)
  end
end

#make_all_attributes ⇒ Object 



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# File 'lib/flexserializer/base.rb', line 44

def make_all_attributes
  define_default_attrs
  define_group_attrs
end