Module: Mongoid::Listable::Macros::ClassMethods

Defined in:
lib/mongoid/listable/macros.rb

Instance Method Summary collapse

Instance Method Details

#listed(options = {}) ⇒ Object

Macro to set basic position field on an object

Parameters:

  • options (Hash) (defaults to: {}) —

    The options hash

Returns:

  • self

Since:

  • 0.1.0



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# File 'lib/mongoid/listable/macros.rb', line 18

def listed options={}
  config = { 
    field: :position,
    scope: :list 
  }

  config.merge! options

  field config[:field], type: Integer

  created   config[:field]
  updated   config[:field]
  destroyed config[:field]

  scope config[:scope], order_by(config[:field] => :asc)

  self
end

#lists(association, options = {}) ⇒ Mongoid:Relations:Metadata

Macro to set relation on which to make a list

Parameters:

  • name (Symbol) —

    The name of the has_many relation

  • options (Hash) (defaults to: {}) —

    The options hash

Returns:

  • (Mongoid:Relations:Metadata) —

    Instance of metadata

Since:

  • 0.0.1



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# File 'lib/mongoid/listable/macros.rb', line 45

def lists association, options={}
  meta       = reflect_on_association association
  field_name = determine_position_field_name meta

  meta.klass.send :field, field_name, type: Integer

  ids_set association, meta
  set     association, meta
  added   association, meta
  removed association, meta

  meta.klass.send :include, Mongoid::Listable
  meta.klass.updated(field_name).destroyed(field_name)

  meta[:order] ||= "#{field_name} asc"
end