Class: ActiveData::Model::Associations::EmbedsMany

Inherits:
EmbedsAny
  • Object
show all
Defined in:
lib/active_data/model/associations/embeds_many.rb

Instance Attribute Summary

Attributes inherited from Base

#owner, #reflection

Instance Method Summary collapse

Methods inherited from Base

#apply_changes!, #callback, #evar_loaded?, #initialize, #inspect, #loaded!, #loaded?, #reload, #target, #transaction

Constructor Details

This class inherits a constructor from ActiveData::Model::Associations::Base

Instance Method Details

#apply_changes ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 21

def apply_changes
  result = target.map do |object|
    object.destroyed? || object.marked_for_destruction? ? object.destroy : object.save
  end.all?
  @destroyed = target.select(&:destroyed?)
  target.delete_if(&:destroyed?)
  result
end

#build(attributes = {}) ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 5

def build(attributes = {})
  push_object(build_object(attributes))
end

#clear ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 65

def clear
  begin
    transaction { target.all?(&:destroy!) }
  rescue ActiveData::ObjectNotDestroyed
    nil
  end
  reload.empty?
end

#concat(*objects) ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 87

def concat(*objects)
  append objects.flatten
end

#create(attributes = {}) ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 9

def create(attributes = {})
  build(attributes).tap(&:save)
end

#create!(attributes = {}) ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 13

def create!(attributes = {})
  build(attributes).tap(&:save!)
end

#default ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 41

def default
  unless evar_loaded?
    default = Array.wrap(reflection.default(owner))
    if default.present?
      collection = if default.all? { |object| object.is_a?(reflection.klass) }
        default
      else
        default.map do |attributes|
          reflection.klass.with_sanitize(false) do
            build_object(attributes)
          end
        end
      end
      collection.map { |object| object.send(:clear_changes_information) } if reflection.klass.dirty?
      collection
    end
  end || []
end

#destroyed ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 17

def destroyed
  @destroyed ||= []
end

#load_target ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 36

def load_target
  source = read_source
  source.present? ? reflection.klass.instantiate_collection(source) : default
end

#reader(force_reload = false) ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 74

def reader(force_reload = false)
  reload if force_reload
  @proxy ||= Collection::Embedded.new self
end

#replace(objects) ⇒ Object Also known as: writer 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 79

def replace(objects)
  transaction do
    clear
    append(objects) or raise ActiveData::AssociationChangesNotApplied
  end
end

#reset ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 60

def reset
  super
  @target = []
end

#target=(objects) ⇒ Object 



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# File 'lib/active_data/model/associations/embeds_many.rb', line 30

def target=(objects)
  objects.each { |object| setup_performers! object }
  loaded!
  @target = objects
end