6d3d7b0bd1
Add fix script to remove duplicate favorites. When a user has duplicate favorites on the same post, the earliest favorite will be kept and the rest will be removed.
23 lines
775 B
Ruby
Executable File
23 lines
775 B
Ruby
Executable File
#!/usr/bin/env ruby
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require_relative "../../config/environment"
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Favorite.transaction do
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0.upto(99) do |i|
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Favorite.where("user_id % 100 = #{i}").group(:post_id, :user_id).having("count(*) > 1").count.each do |(post_id, user_id), count|
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favs = Favorite.where(post_id: post_id, user_id: user_id).order(:id)
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# Remove all duplicates, leaving the oldest favorite.
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dupe_favs = favs.drop(1)
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puts "user_id=#{user_id} post_id=#{post_id} count=#{count} keep=#{favs.first.id} drop=#{dupe_favs.map(&:id).join(",")}"
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dupe_favs.each(&:delete)
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post = Post.find(post_id)
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post.update_columns(fav_count: post.favorites.count)
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user = User.find(user_id)
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user.update_columns(favorite_count: user.favorites.count)
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end
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end
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end
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