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class Topic < ActiveRecord::Base
named_scope :base
named_scope :written_before, lambda { |time|
{ :conditions => ['written_on < ?', time] }
}
named_scope :approved, :conditions => {:approved => true}
named_scope :replied, :conditions => ['replies_count > 0']
named_scope :anonymous_extension do
def one
1
end
end
module NamedExtension
def two
2
end
end
module MultipleExtensionOne
def extension_one
1
end
end
module MultipleExtensionTwo
def extension_two
2
end
end
named_scope :named_extension, :extend => NamedExtension
named_scope :multiple_extensions, :extend => [MultipleExtensionTwo, MultipleExtensionOne]
has_many :replies, :dependent => :destroy, :foreign_key => "parent_id"
serialize :content
before_create :default_written_on
before_destroy :destroy_children
def parent
Topic.find(parent_id)
end
# trivial method for testing Array#to_xml with :methods
def topic_id
id
end
protected
def approved=(val)
@custom_approved = val
write_attribute(:approved, val)
end
def default_written_on
self.written_on = Time.now unless attribute_present?("written_on")
end
def destroy_children
self.class.delete_all "parent_id = #{id}"
end
def after_initialize
if self.new_record?
self.author_email_address = 'test@test.com'
end
end
end
|
