Module: Detour::ActsAsFlaggable

Defined in:
lib/detour/acts_as_flaggable.rb

Instance Method Summary collapse

Instance Method Details

#acts_as_flaggable(options = {}) ⇒ Object

Sets up ActiveRecord associations for the including class, and includes Flaggable in the class.

Examples:

class User < ActiveRecord::Base
  acts_as_taggable find_by: :email
end

Options Hash (options):

  • :find_by (Symbol) —

    The field to find the record by when running rake tasks. Defaults to :id.



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# File 'lib/detour/acts_as_flaggable.rb', line 12

def acts_as_flaggable(options = {})
  Detour::Feature.class_eval <<-EOF
    has_one :#{table_name}_percentage_flag,
      class_name: "Detour::PercentageFlag",
      inverse_of: :feature,
      dependent:  :destroy,
      conditions: { flaggable_type: "#{self}" }

    attr_accessible :#{table_name}_percentage_flag_attributes

    accepts_nested_attributes_for :#{table_name}_percentage_flag,
      update_only: true,
      reject_if: proc { |attrs| attrs[:percentage].blank? }

    has_many :#{table_name}_group_flags,
      class_name: "Detour::GroupFlag",
      inverse_of: :feature,
      dependent: :destroy,
      conditions: { flaggable_type: "#{self}" }

    attr_accessible :#{table_name}_group_flags_attributes
    accepts_nested_attributes_for :#{table_name}_group_flags, allow_destroy: true

    has_many :#{table_name}_flag_ins,
      class_name: "Detour::FlagInFlag",
      inverse_of: :feature,
      dependent:  :destroy,
      conditions: { flaggable_type: "#{self}" }

    has_many :#{table_name}_opt_outs,
      class_name: "Detour::OptOutFlag",
      inverse_of: :feature,
      dependent:  :destroy,
      conditions: { flaggable_type: "#{self}" }
  EOF

  class_eval do
    @detour_flaggable_find_by = :id

    has_many :flag_in_flags,
      as: :flaggable,
      class_name: "Detour::FlagInFlag"

    has_many :opt_out_flags,
      as: :flaggable,
      class_name: "Detour::OptOutFlag"

    has_many :features,
      through: :flag_in_flags,
      class_name: "Detour::Feature"

    if options[:find_by]
      @detour_flaggable_find_by = options[:find_by]
    end

    def self.detour_flaggable_find_by
      @detour_flaggable_find_by
    end

    extend  Detour::Flaggable::ClassMethods
    include Detour::Flaggable
  end
end