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Extract search logic to UserSearch model

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This commit is contained in:
Mike Moore 2013-02-07 04:34:49 -05:00
parent 0136727595
commit 972b9d735c
2 changed files with 39 additions and 32 deletions
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33
app/controllers/users_controller.rb
View File

@ -288,43 +288,12 @@ class UsersController < ApplicationController
end
def search_users
term = (params[:term] || "").strip.downcase
topic_id = params[:topic_id]
topic_id = topic_id.to_i if 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
results = UserSearch.search term, topic_id
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')
) "
end
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
sql << " case when last_seen_at is null then 0 else 1 end desc, last_seen_at desc, username asc limit(20)"
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
render :json => results
end

38
app/models/user_search.rb Normal file
View File

@ -0,0 +1,38 @@
class UserSearch
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
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')
) "
end
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
sql << " case when last_seen_at is null then 0 else 1 end desc, last_seen_at desc, username asc limit(20)"
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
end