Class: Model::HasMany::Association

Inherits:
Object
  • Object
show all
Defined in:
app/models/concerns/model/has_many.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(target, assoc, options = {}) ⇒ Association

Returns a new instance of Association.



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# File 'app/models/concerns/model/has_many.rb', line 8

def initialize(target, assoc, options = {})
  @target = target
  @assoc = assoc.to_sym

  @singular_name = assoc.to_s.singularize
  raise 'assoc must be plural' if singular_name == assoc.to_s

  class_name = options[:class_name] || singular_name.to_s.camelize
  klass = class_name.constantize

  var_name = "@#{assoc}".to_sym
  builder_method_name = "build_#{singular_name}".to_sym
  selector_method_name = "#{assoc}_with".to_sym
  finder_method_name = "find_#{singular_name}_with".to_sym
  validate_method_name = "validate_associated_#{assoc}".to_sym

  define_reader var_name
  define_attributes_writer var_name, builder_method_name
  define_builder builder_method_name, klass, assoc
  define_selector selector_method_name, assoc
  define_finder finder_method_name, selector_method_name
  define_find_or_build_method finder_method_name, builder_method_name
  define_present_method assoc
  define_empty_method assoc
  define_validate_method validate_method_name, assoc

  if validate_options = options[:validate]
    target.validate validate_method_name, validate_options.is_a?(Hash) ? validate_options : {}
  end
end

Instance Attribute Details

#assoc ⇒ Object (readonly)

Returns the value of attribute assoc.



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# File 'app/models/concerns/model/has_many.rb', line 6

def assoc
  @assoc
end

#singular_name ⇒ Object (readonly)

Returns the value of attribute singular_name.



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# File 'app/models/concerns/model/has_many.rb', line 6

def singular_name
  @singular_name
end

#target ⇒ Object (readonly)

Returns the value of attribute target.



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# File 'app/models/concerns/model/has_many.rb', line 6

def target
  @target
end