impress/app/models/zone.rb

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class Zone < ActiveRecord::Base
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# When selecting zones that an asset occupies, we allow the zone to set
# whether or not the zone is "sometimes" occupied. This is false by default.
attr_writer :sometimes
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scope :alphabetical, -> { order(:label) }
scope :matching_label, ->(label) {
where(plain_label: Zone.plainify_label(label))
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}
scope :for_items, -> { where(arel_table[:type_id].gt(1)) }
def as_json(options={})
super({only: [:id, :depth, :label]}.merge(options))
end
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def uncertain_label
@sometimes ? "#{label} sometimes" : label
end
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def self.plainify_label(label)
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label.delete('\- /').parameterize
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end
end