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Versions: 9
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Contents
# Example from 'Overwriting default accessors' in ActiveRecord::Base.
class Song < ActiveRecord::Base
has_paper_trail
attr_accessor :name
# Uses an integer of seconds to hold the length of the song
def length=(minutes)
write_attribute(:length, minutes.to_i * 60)
end
def length
read_attribute(:length) / 60
end
# override attributes hashes like some libraries do
def attributes_with_name
if name
attributes_without_name.merge(name: name)
else
attributes_without_name
end
end
# `alias_method_chain` is deprecated in rails 5, but we cannot use the
# suggested replacement, `Module#prepend`, because we still support ruby 1.9.
alias attributes_without_name attributes
alias attributes attributes_with_name
def changed_attributes_with_name
if name
changed_attributes_without_name.merge(name: name)
else
changed_attributes_without_name
end
end
# `alias_method_chain` is deprecated in rails 5, but we cannot use the
# suggested replacement, `Module#prepend`, because we still support ruby 1.9.
alias changed_attributes_without_name changed_attributes
alias changed_attributes changed_attributes_with_name
end
Version data entries
9 entries across 9 versions & 2 rubygems