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PERF: eliminate N+1 query

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Sam 2014-06-18 11:21:53 +10:00
parent fed8f7c6f2
commit b0f8b104d2
1 changed files with 7 additions and 4 deletions
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11
app/models/site.rb
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@ -44,11 +44,14 @@ class Site
allowed_topic_create = Set.new(Category.topic_create_allowed(@guardian).pluck(:id))
by_id = {}
categories.each do |category|
unless @guardian.anonymous?
category.notification_level = CategoryUser.lookup_by_category(@guardian.user, category).pluck(:notification_level)[0]
end
category_user = {}
unless @guardian.anonymous?
category_user = Hash[*CategoryUser.where(user: @guardian.user).pluck(:category_id, :notification_level).flatten]
end
categories.each do |category|
category.notification_level = category_user[category.id]
category.permission = CategoryGroup.permission_types[:full] if allowed_topic_create.include?(category.id)
by_id[category.id] = category
end