Jorge Manrubia
34 lines
558 B
Ruby
34 lines
558 B
Ruby
# A composite of commands
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class Command::Composite
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attr_reader :commands
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def initialize(commands)
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@commands = commands
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end
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def title
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@commands.collect(&:title).join(", ")
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end
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def execute
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ApplicationRecord.transaction do
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commands.each(&: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.reverse.each(&:undo)
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end
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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 undoable_commands
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commands.filter(&:undoable?)
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end
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end
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