cirandas.net

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class Box < ApplicationRecord

  acts_as_list scope: -> box { where owner_id: box.owner_id, owner_type: box.owner_type }

  belongs_to :owner, :polymorphic => true
  has_many :blocks, -> { order 'position' }, dependent: :destroy
  accepts_nested_attributes_for :blocks, allow_destroy: true

  attr_accessible :owner, :blocks_attributes

  include Noosfero::Plugin::HotSpot

  scope :with_position, -> { where 'boxes.position > 0' }

  def environment
    owner ? (owner.kind_of?(Environment) ? owner : owner.environment) : nil
  end

  def acceptable_blocks
    blocks_classes = if central? then Box.acceptable_center_blocks + plugins.dispatch(:extra_blocks, :type => owner.class, :position => 1) else Box.acceptable_side_blocks + plugins.dispatch(:extra_blocks, :type => owner.class, :position => [2, 3]) end
    to_css_selector blocks_classes
  end

  def central?
    position == 1
  end

  def self.acceptable_center_blocks
    [ ArticleBlock,
      BlogArchivesBlock,
      CategoriesBlock,
      CommunitiesBlock,
      EnterprisesBlock,
      FansBlock,
      FavoriteEnterprisesBlock,
      FeedReaderBlock,
      HighlightsBlock,
      LinkListBlock,
      LoginBlock,
      MainBlock,
      MyNetworkBlock,
      ProfileImageBlock,
      RawHTMLBlock,
      RecentDocumentsBlock,
      TagsCloudBlock,
      InterestTagsBlock,
      MenuBlock]
  end

  def self.acceptable_side_blocks
    [ ArticleBlock,
      BlogArchivesBlock,
      CategoriesBlock,
      CommunitiesBlock,
      DisabledEnterpriseMessageBlock,
      EnterprisesBlock,
      FansBlock,
      FavoriteEnterprisesBlock,
      FeedReaderBlock,
      HighlightsBlock,
      LinkListBlock,
      LocationBlock,
      LoginBlock,
      MyNetworkBlock,
      ProfileImageBlock,
      ProfileInfoBlock,
      ProfileSearchBlock,
      RawHTMLBlock,
      RecentDocumentsBlock,
      SlideshowBlock,
      TagsCloudBlock,
      InterestTagsBlock,
      MenuBlock
    ]
  end

  def blocks_attributes=(attributes)
    attributes.select { |b| b[:id].nil? }.each do |b|
      block = b.delete(:type).constantize.new(b)
      self.blocks << block
    end
    assign_nested_attributes_for_collection_association(:blocks, attributes.reject { |b| b[:id].nil? }.map { |b| b.except(:type) })
  end

  private

  def to_css_selector(blocks_classes)
    blocks_classes.map{ |block_class| ".#{block_class.name.to_css_class}" }.join(',')
  end
end