Class: EasyTags::TaggableContextMethods

Inherits:
Object
  • Object
show all
Defined in:
lib/easy_tags/taggable_context_methods.rb

Overview

Handles injecting of the dynamic context related methods Example:

easy_tags_on :bees

# will create:

has_many :bees_taggings
has_many :bees_tags

def bees
def bees=
def bees_list
def bees_list=

Class Method Summary collapse

Class Method Details

.inject(class_instance:, context:) ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/easy_tags/taggable_context_methods.rb', line 20

def inject(class_instance:, context:)
  class_instance.class_eval <<-RUBY, __FILE__, __LINE__ + 1 # rubocop:disable Style/DocumentDynamicEvalDefinition
    has_many(
      :#{context}_taggings, -> { includes(:tag).where(context: :#{context}) },
      as: :taggable,
      class_name: 'EasyTags::Tagging',
      dependent: :destroy
    )

    has_many(
      :#{context}_tags,
      class_name: 'EasyTags::Tag',
      through: :#{context}_taggings,
      source: :tag
    )

    attribute :#{context}_list, ActiveModel::Type::Value.new

    def #{context}
      _taggable_context(:#{context})
    end

    def #{context}=(value)
      _taggable_context(:#{context}).update(value)
      #{context}
    end

    def #{context}_list
      _taggable_context(:#{context}).tags.to_s
    end

    def #{context}_list=(value)
      _taggable_context(:#{context}).update(value)
      #{context}_list
    end

    def #{context}_list_persisted
      _taggable_context(:#{context}).persisted_tags.to_s
    end
  RUBY
end