116 lines
2.8 KiB
Ruby
116 lines
2.8 KiB
Ruby
# Copyright (C) 2012-2022 Zammad Foundation, https://zammad-foundation.org/
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module CanBePublished
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class StateMachine
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include AASM
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delegate :current_state, to: :aasm
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def initialize(record)
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@record = record
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aasm.current_state = calculated_state
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end
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def calculated_state
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matching_time = Time.zone.now
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state = %i[archived published internal].find { |state_name| calculated_state_valid?(state_name, matching_time) }
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state || :draft
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end
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def calculated_state_valid?(state_name, time)
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date = @record.send "#{state_name}_at"
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date.present? && date < time
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end
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def set_timestamp
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override_unarchived_state if aasm.to_state == :unarchived
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@record.send "#{aasm.to_state}_at=", Time.zone.now.change(sec: 0)
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end
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def override_unarchived_state
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aasm.to_state = @record.published_at.present? ? :published : :internal
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end
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def update_using_current_user(user)
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%i[archived internal published].each { |state_name| update_state_using_current_user(user, state_name) }
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end
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def update_state_using_current_user(user, state_name)
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return if !@record.send("#{state_name}_at_changed?")
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new_value = @record.send("#{state_name}_at").present? ? user : nil
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@record.send("#{state_name}_by=", new_value)
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end
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def clear_archived
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@record.archived_at = nil
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end
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def save_record
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@record.save!
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end
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aasm do
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state :draft, initial: true
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state :internal
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state :published
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state :archived
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state :unarchived # magic
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event :internal do
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transitions from: :draft,
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to: :internal,
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guard: :guard_internal?,
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after: :set_timestamp
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end
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event :publish do
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transitions from: %i[draft internal],
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to: :published,
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guard: :guard_publish?,
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after: :set_timestamp
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end
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event :archive do
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transitions from: %i[published internal],
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to: :archived,
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guard: :guard_archive?,
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after: :set_timestamp
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end
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event :unarchive do
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transitions from: :archived,
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to: :unarchived,
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guard: :guard_unarchive?,
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after: %i[clear_archived set_timestamp]
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end
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after_all_events %i[update_using_current_user save_record mark_as_idle]
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error_on_all_events :mark_as_idle
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end
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def mark_as_idle
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aasm.send(:current_event=, nil) # nullify current_event after transitioning
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end
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def guard_internal?
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draft?
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end
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def guard_publish?
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draft? || internal?
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end
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def guard_archive?
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internal? || published?
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end
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def guard_unarchive?
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archived?
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end
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end
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end
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