nesquena/gitdocs

# -*- encoding : utf-8 -*-

# rubocop:disable all

class AddIndexForPath < ActiveRecord::Migration
  def self.up
    shares = Gitdocs::Share.all.reduce(Hash.new { |h, k| h[k] = [] }) { |h, s| h[s.path] << s; h }
    shares.each do |path, shares|
      shares.shift
      shares.each(&:destroy) unless shares.empty?
    end
    add_index :shares, :path, unique: true
  end
end