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class Activity < ApplicationRecord
include HasWhatnot
belongs_to :location, optional: true
validates :gid, :name, :description, presence: true
def cost_string
requirements = []
data = self.whatnot[:cost]
return nil unless data
data[:items].each do |item_gid, quantity|
requirements.push "#{quantity} #{Item.find_by_gid(item_gid).name}"
end
requirements.join(", ")
end
end
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