45 lines
1.2 KiB
Ruby
45 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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module BulkInsertSafe
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extend ActiveSupport::Concern
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# These are the callbacks we think safe when used on models that are
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# written to the database in bulk
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CALLBACK_NAME_WHITELIST = Set[
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:initialize,
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:validate,
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:validation,
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:find,
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:destroy
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].freeze
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MethodNotAllowedError = Class.new(StandardError)
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class_methods do
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def set_callback(name, *args)
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unless _bulk_insert_callback_allowed?(name, args)
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raise MethodNotAllowedError.new(
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"Not allowed to call `set_callback(#{name}, #{args})` when model extends `BulkInsertSafe`." \
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"Callbacks that fire per each record being inserted do not work with bulk-inserts.")
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end
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super
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end
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private
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def _bulk_insert_callback_allowed?(name, args)
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_bulk_insert_whitelisted?(name) || _bulk_insert_saved_from_belongs_to?(name, args)
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end
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# belongs_to associations will install a before_save hook during class loading
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def _bulk_insert_saved_from_belongs_to?(name, args)
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args.first == :before && args.second.to_s.start_with?('autosave_associated_records_for_')
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end
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def _bulk_insert_whitelisted?(name)
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CALLBACK_NAME_WHITELIST.include?(name)
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end
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end
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end
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