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require 'active_support/deprecation'
module ActiveRecord
# <tt>ActiveRecord::Model</tt> can be included into a class to add Active Record persistence.
# This is an alternative to inheriting from <tt>ActiveRecord::Base</tt>. Example:
#
# class Post
# include ActiveRecord::Model
# end
#
module Model
# So we can recognise an AR class even while self.included is being
# executed. (At that time, klass < Model == false.)
module Tag #:nodoc:
end
def self.included(base)
return if base < Tag
base.class_eval do
include Tag
include Configuration
include ActiveRecord::Persistence
extend ActiveModel::Naming
extend QueryCache::ClassMethods
extend ActiveSupport::Benchmarkable
extend ActiveSupport::DescendantsTracker
extend Querying
include ReadonlyAttributes
include ModelSchema
extend Translation
include Inheritance
include Scoping
extend DynamicMatchers
include Sanitization
include Integration
include AttributeAssignment
include ActiveModel::Conversion
include Validations
extend CounterCache
include Locking::Optimistic, Locking::Pessimistic
include AttributeMethods
include Callbacks, ActiveModel::Observing, Timestamp
include Associations
include IdentityMap
include ActiveModel::SecurePassword
extend Explain
# AutosaveAssociation needs to be included before Transactions, because we want
# #save_with_autosave_associations to be wrapped inside a transaction.
include AutosaveAssociation, NestedAttributes
include Aggregations, Transactions, Reflection, Serialization, Store
include Core
self.connection_handler = Base.connection_handler
end
end
module DeprecationProxy #:nodoc:
class << self
instance_methods.each { |m| undef_method m unless m =~ /^__|^object_id$|^instance_eval$/ }
def method_missing(name, *args, &block)
if Model.respond_to?(name)
Model.send(name, *args, &block)
else
ActiveSupport::Deprecation.warn(
"The object passed to the active_record load hook was previously ActiveRecord::Base " \
"(a Class). Now it is ActiveRecord::Model (a Module). You have called `#{name}' which " \
"is only defined on ActiveRecord::Base. Please change your code so that it works with " \
"a module rather than a class. (Model is included in Base, so anything added to Model " \
"will be available on Base as well.)"
)
Base.send(name, *args, &block)
end
end
alias send method_missing
end
end
end
# Load Base at this point, because the active_record load hook is run in that file.
Base
end
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