19 lines
665 B
Ruby
19 lines
665 B
Ruby
class AddExcerptToTopics < ActiveRecord::Migration[4.2]
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def up
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add_column :topics, :excerpt, :string, limit: 1000
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topic_ids = execute("SELECT id FROM topics WHERE pinned_at IS NOT NULL").map { |r| r['id'].to_i }
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topic_ids.each do |topic_id|
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cooked = execute("SELECT cooked FROM posts WHERE topic_id = #{topic_id} ORDER BY post_number ASC LIMIT 1")[0]['cooked']
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if cooked
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excerpt = ExcerptParser.get_excerpt(cooked, 220, strip_links: true)
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execute "UPDATE topics SET excerpt = #{ActiveRecord::Base.sanitize(excerpt)} WHERE id = #{topic_id}"
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end
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end
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end
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def down
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remove_column :topics, :excerpt
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end
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end
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