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Contents
# Concern that can be used when dealing with Legacy code.
#
# It automatically aliases `canvas_id` -> `canvas_<model>_id` or vice-versa.
module CanvasSync::Concerns
module LegacyColumns
extend ActiveSupport::Concern
class_methods do
def inherited(subclass)
super.tap do
legacy_column_apply(subclass)
end
end
private
def legacy_column_apply(cls)
return if cls.abstract_class
cid_column = "canvas_#{cls.name.downcase}_id"
column_names = cls.columns.map(&:name)
return if column_names.include?('canvas_id') && column_names.include?(cid_column)
if column_names.include?('canvas_id')
cls.alias_attribute(cid_column.to_sym, :canvas_id)
elsif column_names.include?(cid_column)
cls.alias_attribute(:canvas_id, cid_column.to_sym)
end
rescue ActiveRecord::StatementInvalid
end
end
included do
legacy_column_apply(self)
end
end
end
Version data entries
130 entries across 130 versions & 1 rubygems