Jorge Manrubia
46 lines
917 B
Ruby
46 lines
917 B
Ruby
# A composite of commands
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class Command::Composite < Command
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store_accessor :data, :title
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has_many :commands, inverse_of: :parent, dependent: :destroy
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def execute
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ApplicationRecord.transaction do
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commands.collect { it.execute }
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end
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end
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def undo
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ApplicationRecord.transaction do
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undoable_commands.collect { it.undo }
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end
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end
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def undoable?
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undoable_commands.any?
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end
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def confirmation_prompt
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confirmations = commands_excluding_redirections.collect(&:confirmation_prompt).collect { "- #{it}" }.join("\n")
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<<~MD
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This will:
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#{confirmations}
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MD
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end
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def needs_confirmation?
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commands.any?(&:needs_confirmation?)
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end
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private
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def commands_excluding_redirections
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commands.reject { it.is_a?(Command::VisitUrl) }
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end
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def undoable_commands
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@undoable_commands ||= commands.filter(&:undoable?).reverse
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end
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end
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