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# Contains all of the methods on a model that make it behave like a hash.
# Moving this into a module cleans up the main Model class for things that
# make it behave like a model.
module ModelHashBehaviour
def self.included(base)
# In modules, since we need to tag on the main class, we setup the
# tags with included.
base.tag_method(:delete) do
destructive!
end
base.tag_method(:clear) do
destructive!
end
end
def nil?
attributes.nil?
end
def false?
attributes.false?
end
def true?
attributes.true?
end
def delete(*args)
__clear_element(args[0])
attributes.delete(*args)
trigger_by_attribute!('changed', args[0])
@persistor.removed(args[0]) if @persistor
end
def clear
attributes.each_pair do |key,value|
__clear_element(key)
end
attributes.clear
trigger!('changed')
@persistor.removed(nil) if @persistor
end
# Convert the model to a hash all of the way down.
def to_h
hash = {}
attributes.each_pair do |key, value|
hash[key] = deep_unwrap(value)
end
return hash
end
def [](val)
raise "Models do not support hash style lookup. Hashes inserted into other models are converted to models, see https://github.com/voltrb/volt#automatic-model-conversion"
end
end
Version data entries
15 entries across 15 versions & 1 rubygems