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superbilk/gist:5137493

Last active December 14, 2015 19:38
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How do I refactor this? DEPRECATION WARNING: Relation#calculate with finder options is deprecated. Please build a scope and then call calculate on it instead. (called from averages at /app/models/star.rb:7) Code is simplified.
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gistfile1.rb
class Star < ActiveRecord::Base
default_scope order: 'registered_at DESC'
scope :registered_before, ->(days) { where("registered_at >= ?", days.days.ago) }
def self.averages days = 90
registered_before(days).average(:stars, group: "DATE(registered_at, '+1 day')")
end
end
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