Class: ListableCollections::Builder

Inherits:
Object
  • Object
show all
Defined in:
lib/listable_collections/builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model) ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/listable_collections/builder.rb', line 6

def initialize(model)
  @model = model
  @concern = Module.new
end

Instance Attribute Details

#concern ⇒ Object (readonly)

Returns the value of attribute concern.



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# File 'lib/listable_collections/builder.rb', line 4

def concern
  @concern
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/listable_collections/builder.rb', line 4

def model
  @model
end

Instance Method Details

#define(attribute, options) ⇒ Object 



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# File 'lib/listable_collections/builder.rb', line 11

def define(attribute, options)
  plural = (options[:as] || attribute).to_s
  singular = plural.singularize
  name = "#{singular}_list"
  variable = "@#{name}"
  was = "#{name}_was"
  model.define_attribute_method name
  define_list_writer name, variable, attribute, options
  define_list_reader name, variable, attribute, options
  define_added_to_list plural, name, was
  define_removed_from_list plural, name, was
  model.include concern
end