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#
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# Copyright 2014 Red Hat, Inc.
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#
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# This software is licensed to you under the GNU General Public
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# License as published by the Free Software Foundation; either version
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# 2 of the License (GPLv2) or (at your option) any later version.
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# There is NO WARRANTY for this software, express or implied,
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# including the implied warranties of MERCHANTABILITY,
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# NON-INFRINGEMENT, or FITNESS FOR A PARTICULAR PURPOSE. You should
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# have received a copy of GPLv2 along with this software; if not, see
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# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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module Actions
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module Helpers
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# Delegate task information to presenter object
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module Presenter
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def presenter
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fail NotImplementedError
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end
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def humanized_output
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presenter.humanized_output
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end
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class Base
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include Algebrick::TypeCheck
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attr_reader :action
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def initialize(action)
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@action = action
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end
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def humanized_output
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fail NotImplementedError
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end
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end
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# Use sub-actions for presenting the data of the task
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class Delegated < Base
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def initialize(action, delegated_actions)
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(Type! delegated_actions, Array).all? { |a| Type! a, Presenter }
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@delegated_actions = delegated_actions
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end
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def humanized_output
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@delegated_actions.map(&:humanized_output).compact.join("\n")
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end
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end
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end
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end
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end
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