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class Topic < ActiveRecord::Base
scope :base
scope :written_before, lambda { |time|
if time
{ :conditions => ['written_on < ?', time] }
end
}
scope :approved, :conditions => {:approved => true}
scope :rejected, :conditions => {:approved => false}
scope :scope_with_lambda, lambda { scoped }
scope :by_lifo, :conditions => {:author_name => 'lifo'}
scope :approved_as_hash_condition, :conditions => {:topics => {:approved => true}}
scope 'approved_as_string', :conditions => {:approved => true}
scope :replied, :conditions => ['replies_count > 0']
scope :anonymous_extension do
def one
1
end
end
scope :with_object, Class.new(Struct.new(:klass)) {
def call
klass.where(:approved => true)
end
}.new(self)
module NamedExtension
def two
2
end
end
module MultipleExtensionOne
def extension_one
1
end
end
module MultipleExtensionTwo
def extension_two
2
end
end
scope :named_extension, :extend => NamedExtension
scope :multiple_extensions, :extend => [MultipleExtensionTwo, MultipleExtensionOne]
has_many :replies, :dependent => :destroy, :foreign_key => "parent_id"
has_many :replies_with_primary_key, :class_name => "Reply", :dependent => :destroy, :primary_key => "title", :foreign_key => "parent_title"
has_many :unique_replies, :dependent => :destroy, :foreign_key => "parent_id"
has_many :silly_unique_replies, :dependent => :destroy, :foreign_key => "parent_id"
serialize :content
before_create :default_written_on
before_destroy :destroy_children
# Explicitly define as :date column so that returned Oracle DATE values would be typecasted to Date and not Time.
# Some tests depend on assumption that this attribute will have Date values.
if current_adapter?(:OracleEnhancedAdapter)
set_date_columns :last_read
end
def parent
Topic.find(parent_id)
end
# trivial method for testing Array#to_xml with :methods
def topic_id
id
end
before_validation :before_validation_for_transaction
before_save :before_save_for_transaction
before_destroy :before_destroy_for_transaction
after_save :after_save_for_transaction
after_create :after_create_for_transaction
after_initialize :set_email_address
def approved=(val)
@custom_approved = val
write_attribute(:approved, val)
end
protected
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 set_email_address
unless self.persisted?
self.author_email_address = 'test@test.com'
end
end
def before_validation_for_transaction; end
def before_save_for_transaction; end
def before_destroy_for_transaction; end
def after_save_for_transaction; end
def after_create_for_transaction; end
end
class ImportantTopic < Topic
serialize :important, Hash
end
class BlankTopic < Topic
def blank?
true
end
end
module Web
class Topic < ActiveRecord::Base
has_many :replies, :dependent => :destroy, :foreign_key => "parent_id", :class_name => 'Web::Reply'
end
end
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