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Versions: 10
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Contents
module Tenon
module HasHistory
class AttrSerializer
def self.serialize(attrs, item_version)
new(attrs, item_version).serialize
end
def initialize(attrs, item_version)
@attrs = attrs || {}
@item_version = item_version
@item_class = item_version.item_type.constantize
@item = @item_version.item
end
def serialize
Marshal.dump(filtered_attrs)
end
private
def filtered_attrs
@attrs.to_h.deep_reject_key!(:id)
@attrs.to_h.deep_reject_key!('id')
require_only_attrs! unless only.empty?
remove_except_attrs! unless except.empty?
remove_children!
@attrs
end
def require_only_attrs!
@attrs = @attrs.select { |k, _| only.include?(k) }
end
def remove_except_attrs!
@attrs = @attrs.reject { |k, _| except.include?(k.to_sym) }
end
def remove_children!
@attrs = @attrs.reject do |k, _|
key = k.to_s
relation = key.gsub(/_attributes$/, '')
key.match(/_attributes$/) && !includes.include?(relation)
end
end
def only
@item_class.instance_variable_get('@has_history_only')
end
def except
@item_class.instance_variable_get('@has_history_except')
end
def includes
@item_class.instance_variable_get('@has_history_includes').map(&:to_s)
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems