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21 lines
750 B
Ruby
21 lines
750 B
Ruby
# frozen_string_literal: true
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# MachinesAvailability is the relation table between a Machine and an Availability.
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# It defines periods in the agenda, when the given machine can be reserved by members.
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class MachinesAvailability < ApplicationRecord
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belongs_to :machine
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belongs_to :availability
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after_destroy :cleanup_availability
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# when the MachinesAvailability is deleted (from Machine destroy cascade), we delete the corresponding
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# availability if the deleted machine was the last of this availability slot, and the availability is not
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# currently being destroyed.
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def cleanup_availability
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return if availability.destroying
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return unless availability.machines_availabilities.empty?
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availability.safe_destroy
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end
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end
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