Class: Glamazon::Associations::HasMany

Inherits:
Array
  • Object
show all
Includes:
Finder
Defined in:
lib/glamazon/associations.rb

Instance Method Summary collapse

Methods included from Finder

#find, #method_missing

Constructor Details

#initialize(association_type, klass = nil, associated_klass = nil, options = {}) ⇒ HasMany

Returns a new instance of HasMany.



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# File 'lib/glamazon/associations.rb', line 35

def initialize(association_type, klass = nil, associated_klass = nil, options ={})
  @callbacks = Hash.new { |h,k| h[k] = [] }
  Hash[options.select { |k,v| k.to_s =~ /_add$/}].each { |k,v| @callbacks[k] << options[k] }
  @class = klass
  @associated_class = associated_klass ? associated_klass.to_s.classify.constantize : association_type.to_s.singularize.classify.constantize
  super 0
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Glamazon::Finder

Instance Method Details

#<<(object) ⇒ Object 



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# File 'lib/glamazon/associations.rb', line 48

def <<(object)
  if object.instance_of?(@associated_class)
    return if include?(object)
    object.send :"#{@class.class.to_s.downcase}=", @class
    @callbacks[:after_add].each { |cb| cb.call @class, object }
    super object
  else
    raise Glamazon::AssociationTypeMismatch.new "Object is of incorrect type. Must be an instance of #{@associated_class}."
  end
end

#all ⇒ Object 



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# File 'lib/glamazon/associations.rb', line 42

def all
  self
end

#create(attrs = {}) ⇒ Object 



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# File 'lib/glamazon/associations.rb', line 45

def create(attrs={})
  @associated_class.create(attrs).tap { |o| self << o }
end