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r00takaspin/inject.rb

Created December 8, 2015 16:45
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inject.rb
#БЫЛО
tier1.uniq_by!(&:id).sort_by! { rand }.sort_by! {|x| x.avatar_file_name.blank? ? 1 : 0} +
tier2.uniq_by!(&:id).sort_by! { rand }.sort_by! {|x| x.avatar_file_name.blank? ? 1 : 0} +
tier3.uniq_by!(&:id).sort_by! { rand }.sort_by! {|x| x.avatar_file_name.blank? ? 1 : 0} +
(instructors - tier1 - tier2 - tier3).uniq_by!(&:id).sort_by! { rand }.sort_by! {|x| x.avatar_file_name.blank? ? 1 : 0}
#СТАЛО
instructors = [tier1,tier2,tier3].inject {|result, x| result + tier_filter(x) } +
tier_filter(instructors - tier1 - tier2 - tier3)
private
def tier_filter(tier)
tier.uniq_by!(&:id).sort_by! { rand }.sort_by! {|x| x.avatar_file_name.blank? ? 1 : 0}
end
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