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53b34e8476
Your application should *always* reference your application const (as Blog::Application) and Rails.application should be used just internally.
36 lines
981 B
Ruby
36 lines
981 B
Ruby
module ActiveSupport
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# This class is responsible to track files and invoke the given block
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# whenever one of these files are changed. For example, this class
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# is used by Rails to reload the I18n framework whenever they are
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# changed upon a new request.
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#
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# i18n_reloader = ActiveSupport::FileUpdateChecker.new(paths) do
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# I18n.reload!
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# end
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#
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# ActionDispatch::Callbacks.to_prepare do
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# i18n_reloader.execute_if_updated
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# end
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#
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class FileUpdateChecker
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attr_reader :paths, :last_update_at
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def initialize(paths, calculate=false, &block)
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@paths = paths
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@block = block
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@last_update_at = calculate ? updated_at : nil
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end
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def updated_at
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paths.map { |path| File.stat(path).mtime }.max
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end
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def execute_if_updated
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current_update_at = self.updated_at
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if @last_update_at != current_update_at
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@last_update_at = current_update_at
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@block.call
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end
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end
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end
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end
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