65 lines
1.6 KiB
Ruby
65 lines
1.6 KiB
Ruby
class DataUpdateScript < ApplicationRecord
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DIRECTORY = Rails.root.join("lib/data_update_scripts").freeze
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NAMESPACE = "DataUpdateScripts".freeze
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STATUSES = { enqueued: 0, working: 1, succeeded: 2, failed: 3 }.freeze
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default_scope { order(file_name: :asc) }
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enum status: STATUSES
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validates :file_name, uniqueness: true
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class << self
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def filenames
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Dir.glob("*.rb", base: DIRECTORY).map do |f|
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Pathname.new(f).basename(".rb").to_s
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end
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end
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def load_script_ids
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filenames.
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map { |file_name| find_or_create_by(file_name: file_name) }.
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select(&:enqueued?).
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map(&:id)
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end
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def scripts_to_run
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DataUpdateScript.where(id: load_script_ids).select(&:enqueued?)
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end
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# true if there are any new files on disk or any scripts to run, false otherwise
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def scripts_to_run?
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db_scripts = DataUpdateScript.pluck(:file_name, :status).to_h
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return true unless filenames.to_set == db_scripts.keys.to_set
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return true if db_scripts.values.any? { |s| s.to_sym == :enqueued }
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false
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end
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end
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def mark_as_run!
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update!(run_at: Time.current, status: :working)
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end
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def mark_as_finished!
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update!(finished_at: Time.current, status: :succeeded)
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end
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def mark_as_failed!
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update!(finished_at: Time.current, status: :failed)
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end
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def file_path
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"#{self.class::DIRECTORY}/#{file_name}.rb"
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end
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def file_class
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"#{self.class::NAMESPACE}::#{parsed_file_name.camelcase}".safe_constantize
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end
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private
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def parsed_file_name
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file_name.match(/\d{14}_(.*)/)[1]
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end
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end
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