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# File 'lib/conscript/orm/activerecord.rb', line 8
def register_for_draft(options = {})
cattr_accessor :conscript_options, :instance_accessor => false do
{
associations: [],
ignore_attributes: [self.primary_key, 'type', 'created_at', 'updated_at', 'draft_parent_id', 'is_draft'],
allow_update_with_drafts: false,
destroy_drafts_on_publish: true
}
end
self.conscript_options.slice(:associations, :ignore_attributes).each_pair {|key, value| self.conscript_options[key] = Array(value) | Array(options[key]) }
self.conscript_options[:associations].map!(&:to_sym)
self.conscript_options[:ignore_attributes].map!(&:to_s)
self.conscript_options.update options.slice(:allow_update_with_drafts, :destroy_drafts_on_publish)
default_scope { where(is_draft: false) }
belongs_to :draft_parent, class_name: self
has_many :drafts, conditions: {is_draft: true}, class_name: self, foreign_key: :draft_parent_id, dependent: :destroy, inverse_of: :draft_parent
define_callbacks :publish_draft, :save_as_draft
before_save :check_no_drafts_exist if (self.conscript_options[:allow_update_with_drafts] == false)
set_callback :publish_draft, :before, :destroy_all_drafts if (self.conscript_options[:destroy_drafts_on_publish] == true)
if self.respond_to? :uploaders
self.uploaders.keys.each {|attribute| skip_callback :commit, :after, :"remove_#{attribute}!" }
after_commit :clean_uploaded_files_for_draft!, :on => :destroy
end
class_eval " def self.drafts\n where(is_draft: true)\n end\n\n def save_as_draft!\n run_callbacks :save_as_draft do\n raise Conscript::Exception::AlreadyDraft if is_draft?\n draft = new_record? ? self : dup(include: self.class.conscript_options[:associations])\n draft.is_draft = true\n draft.draft_parent = self unless new_record?\n self.class.base_class.unscoped { draft.save! }\n draft\n end\n end\n\n def publish_draft\n run_callbacks :publish_draft do\n raise Conscript::Exception::NotADraft unless is_draft?\n return self.update_attribute(:is_draft, false) if !draft_parent_id\n ::ActiveRecord::Base.transaction do\n draft_parent.assign_attributes attributes_to_publish, without_protection: true\n\n self.class.conscript_options[:associations].each do |association|\n case reflections[association].macro\n when :has_many\n draft_parent.send(association.to_s + \"=\", self.send(association).collect {|child| child.dup })\n end\n end\n\n draft_parent.save!\n end\n draft_parent\n end\n end\n\n def uploader_store_param\n draft_parent_id.nil? ? to_param : draft_parent.to_param\n end\n\n private\n def check_no_drafts_exist\n drafts.count == 0\n end\n\n def attributes_to_publish\n attributes.reject {|attribute| self.class.conscript_options[:ignore_attributes].include?(attribute) }\n end\n\n # Clean up CarrierWave uploads if there are no other instances using the files.\n #\n def clean_uploaded_files_for_draft!\n self.class.uploaders.keys.each do |attribute|\n filename = attributes[attribute.to_s]\n self.send(\"remove_\" + attribute.to_s + \"!\") if !draft_parent_id or draft_parent.drafts.where(attribute => filename).count == 0\n end\n end\n\n def destroy_all_drafts\n draft_parent.drafts.destroy_all if draft_parent_id\n end\n RUBY\nend\n"
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