Class: Transcriber::Resource::Association

Inherits:
Key
  • Object
show all
Defined in:
lib/transcriber/resource/key/association.rb

Direct Known Subclasses

Embeddable, Relation

Instance Attribute Summary collapse

Attributes inherited from Key

#model, #name, #options, #summarize

Instance Method Summary collapse

Methods inherited from Key

#convert_input_keys, #input_path, #present?, #root_path?, #visible?

Constructor Details

#initialize(name, options = {}) ⇒ Association

Returns a new instance of Association.



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# File 'lib/transcriber/resource/key/association.rb', line 6

def initialize(name, options = {})
  super
  @many       = options.fetch(:many, false)
  @class_name = options.fetch(:class_name, default_class_name).to_s.camelize
end

Instance Attribute Details

#many ⇒ Object (readonly)

Returns the value of attribute many.



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# File 'lib/transcriber/resource/key/association.rb', line 4

def many
  @many
end

Instance Method Details

#create_from_hash(attrs) ⇒ Object 



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# File 'lib/transcriber/resource/key/association.rb', line 33

def create_from_hash(attrs)
  one? ? resource_class.new(attrs)
       : Array(attrs).map {|item| resource_class.new(item)}
end

#default_class_name ⇒ Object 



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# File 'lib/transcriber/resource/key/association.rb', line 20

def default_class_name
  one? ? name : name.to_s.singularize
end

#from_hash(attrs, resource = nil) ⇒ Object 



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# File 'lib/transcriber/resource/key/association.rb', line 28

def from_hash(attrs, resource = nil)
  return nil if attrs.nil? or attrs.empty?
  resource ? update_from_hash(resource, attrs) : create_from_hash(attrs)
end

#many? ⇒ Boolean

Returns:



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# File 'lib/transcriber/resource/key/association.rb', line 16

def many?
  @many
end

#one? ⇒ Boolean

Returns:



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# File 'lib/transcriber/resource/key/association.rb', line 12

def one?
  !many?
end

#resource_class ⇒ Object 



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# File 'lib/transcriber/resource/key/association.rb', line 24

def resource_class
  @class_name.to_s.camelize.constantize
end

#update_from_hash(resource, attrs) ⇒ Object 



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# File 'lib/transcriber/resource/key/association.rb', line 38

def update_from_hash(resource, attrs)
  one? ? resource.update_attributes(attrs)
       : resource.map {|item| item.update_attributes(item)}
end