Return a list of tagged (polymorphic) records.

README.md

Models

• Tag
• Tagging (join table)
• Taggable (Polymorphic: Video, Article, Recipe)

tagged_resource.rb

class TaggedResource < JSONAPI::Resource

  immutable

  filter :tag

  def self.apply_filter(records, filter, value, options)
    case filter
    when :tag
      value.map!(&:capitalize)
      tags = Tag.where(name: value)

      records.select { |r| (r.tags & tags).any? }
    else
      records
    end
  end

  def self.records(options = {})
    Tagging.includes(:taggable).collect(&:taggable).uniq
  end

  def self.find(filters, options = {})
    context = options[:context]

    records = filter_records(filters, options)

    sort_criteria = options.fetch(:sort_criteria) { [] }
    order_options = construct_order_options(sort_criteria)

    records = apply_pagination(records, options[:paginator], order_options)

    resources = []
    records.each do |model|
      resources.push resource_for(resource_type_for(model)).new(model, context)
    end

    resources
  end
end