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AndrewVos/activity.rb

Created December 4, 2014 11:56
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activity.rb
activities = Activity.includes(:product)
.order("product_id, created_at DESC")
.select("DISTINCT ON (product_id) activities.*")
.page(page).per(second_page_size).map do |activity|
activity.product.activity = activity
activity.product
end
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