38 lines
1.1 KiB
Ruby
38 lines
1.1 KiB
Ruby
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class UserSearch
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def self.search term, topic_id
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sql = "select username, name, email from users u "
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if topic_id
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sql << "left join (select distinct p.user_id from posts p where topic_id = :topic_id) s on
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s.user_id = u.id "
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end
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if term.length > 0
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sql << "where username_lower like :term_like or
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to_tsvector('simple', name) @@
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to_tsquery('simple',
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regexp_replace(
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regexp_replace(
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cast(plainto_tsquery(:term) as text)
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,'\''(?: |$)', ':*''', 'g'),
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'''', '', 'g')
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) "
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end
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sql << "order by case when username_lower = :term then 0 else 1 end asc, "
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if topic_id
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sql << " case when s.user_id is null then 0 else 1 end desc, "
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end
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sql << " case when last_seen_at is null then 0 else 1 end desc, last_seen_at desc, username asc limit(20)"
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results = User.exec_sql(sql, topic_id: topic_id, term_like: "#{term}%", term: term)
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results = results.map do |r|
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r["avatar_template"] = User.avatar_template(r["email"])
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r.delete("email")
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r
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end
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end
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end
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