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Versions: 12
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# frozen_string_literal: true
module Occams::Cms::WithCategories
extend ActiveSupport::Concern
included do
has_many :categorizations,
as: :categorized,
class_name: 'Occams::Cms::Categorization',
dependent: :destroy
has_many :categories,
through: :categorizations,
class_name: 'Occams::Cms::Category'
attr_writer :category_ids
after_save :sync_categories
scope :for_category, ->(*categories) {
if (categories = [categories].flatten.compact).present?
distinct
.joins(categorizations: :category)
.where('occams_cms_categories.label' => categories)
end
}
end
def category_ids
@category_ids ||= categories.pluck(:id)
end
def sync_categories
return unless category_ids.is_a?(Array)
scope = Occams::Cms::Category.of_type(self.class.to_s)
existing_ids = scope.pluck(:id)
ids_to_add = category_ids.map(&:to_i)
# adding categorizations
ids_to_add.each do |id|
if (category = scope.find_by_id(id))
category.categorizations.create(categorized: self)
end
end
# removing categorizations
ids_to_remove = existing_ids - ids_to_add
categorizations.where(category_id: ids_to_remove).destroy_all
end
end
Version data entries
12 entries across 12 versions & 1 rubygems