Sha256: 150a3fb85b474bc9aefef95d6bf3e21a8078fb22a91923f0f7af654fe96e3950
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Size: 967 Bytes
Versions: 30
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Stored size: 967 Bytes
Contents
module ActiveRecord::Associations::Builder
class HasAndBelongsToMany < CollectionAssociation #:nodoc:
def macro
:has_and_belongs_to_many
end
def valid_options
super + [:join_table, :association_foreign_key, :delete_sql, :insert_sql]
end
def build
reflection = super
define_destroy_hook
reflection
end
def show_deprecation_warnings
super
[:delete_sql, :insert_sql].each do |name|
if options.include? name
ActiveSupport::Deprecation.warn("The :#{name} association option is deprecated. Please find an alternative (such as using has_many :through).")
end
end
end
def define_destroy_hook
name = self.name
model.send(:include, Module.new {
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def destroy_associations
association(:#{name}).delete_all
super
end
RUBY
})
end
end
end
Version data entries
30 entries across 30 versions & 2 rubygems