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