Module: Effective::Resources::Associations

Included in:
Effective::Resource
Defined in:
app/models/effective/resources/associations.rb

Instance Method Summary collapse

Instance Method Details

#associated(name) ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 34

def associated(name)
  name = (name.to_s.end_with?('_id') ? name.to_s[0...-3] : name).to_sym
  klass.reflect_on_all_associations.find { |ass| ass.name == name } || effective_addresses(name)
end

#belong_tos ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 9

def belong_tos
  return [] unless klass.respond_to?(:reflect_on_all_associations)
  @belong_tos ||= klass.reflect_on_all_associations(:belongs_to)
end

#belongs_to(name) ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 39

def belongs_to(name)
  if name.kind_of?(String) || name.kind_of?(Symbol)
    name = (name.to_s.end_with?('_id') ? name.to_s[0...-3] : name).to_sym
    belong_tos.find { |ass| ass.name == name && !ass.options[:polymorphic] }
  else
    belong_tos.find { |ass| ass.klass == name.class && !ass.options[:polymorphic] }
  end
end

#belongs_to_polymorphic(name) ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 48

def belongs_to_polymorphic(name)
  name = (name.to_s.end_with?('_id') ? name.to_s[0...-3] : name).to_sym
  belong_tos.find { |ass| ass.name == name && ass.options[:polymorphic] }
end

#effective_addresses(name) ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 68

def effective_addresses(name)
  return unless defined?(EffectiveAddresses) && has_many(:addresses).try(:klass) == Effective::Address

  name = name.to_s.downcase
  return unless name.end_with?('_address') || name.end_with?('_addresses')

  category = name.split('_').reject { |name| name == 'address' || name == 'addresses' }.join('_')
  return unless category.present?

  Effective::Address.where(category: category).where(addressable_type: class_name)
end

#has_and_belongs_to_many(name) ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 53

def has_and_belongs_to_many(name)
  name = name.to_sym
  has_and_belongs_to_manys.find { |ass| ass.name == name }
end

#has_and_belongs_to_manys ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 24

def has_and_belongs_to_manys
  return [] unless klass.respond_to?(:reflect_on_all_associations)
  @has_and_belongs_to_manys ||= klass.reflect_on_all_associations(:has_and_belongs_to_many)
end

#has_many(name) ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 58

def has_many(name)
  name = name.to_sym
  (has_manys + nested_resources).find { |ass| ass.name == name }
end

#has_manys ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 19

def has_manys
  return [] unless klass.respond_to?(:reflect_on_all_associations)
  @has_manys ||= klass.reflect_on_all_associations(:has_many).reject { |ass| ass.options[:autosave] }
end

#has_one(name) ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 63

def has_one(name)
  name = name.to_sym
  has_ones.find { |ass| ass.name == name }
end

#has_ones ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 14

def has_ones
  return [] unless klass.respond_to?(:reflect_on_all_associations)
  @has_ones ||= klass.reflect_on_all_associations(:has_one)
end

#macros ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 5

def macros
  [:belongs_to, :belongs_to_polymorphic, :has_many, :has_and_belongs_to_many, :has_one]
end

#nested_resource(name) ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 80

def nested_resource(name)
  name = name.to_sym
  nested_resources.find { |ass| ass.name == name }
end

#nested_resources ⇒ Object 



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# File 'app/models/effective/resources/associations.rb', line 29

def nested_resources
  return [] unless klass.respond_to?(:reflect_on_all_associations)
  @nested_resources ||= klass.reflect_on_all_associations(:has_many).select { |ass| ass.options[:autosave] }
end

#scope?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/resources/associations.rb', line 85

def scope?(name)
  return false unless klass.respond_to?(name)

  is_scope = false

  ActiveRecord::Base.transaction do
    begin
      relation = klass.public_send(name).kind_of?(ActiveRecord::Relation)
    rescue => e
    end

    raise ActiveRecord::Rollback
  end

  is_scope
end