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require 'model_attribute'
module ActiveRecordMimic
def self.included(base)
base.instance_eval do
unless (class << base; self; end).ancestors.include?(ModelAttribute)
raise "ActiveRecordMimic aliases ModelAttribute methods so must be included after extending ModelAttribute"
end
alias_method :[], :read_attribute
alias_method :[]=, :write_attribute
# Forward these behaviours to base.class e.g Message.api_class
delegate :api_class,
:sti_class,
:base_class,
:to => base
def self.sti_class
self
end
def self.base_class
self
end
def self.primary_key
:id
end
end
end
def destroyed?
!!@destroyed
end
def new_record?
!id
end
def persisted?
!(new_record? || destroyed?)
end
# This allows us to use this object as a hash key, and for uniq'ing arrays
def hash
id.hash
end
# Action Pack uses this for constructing a URL to this object.
def to_param
id && id.to_s
end
def update_attribute(attr_name, new_val)
write_attribute(attr_name, new_val)
save
end
def changed?
changes.any?
end
end
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