mirror of
https://github.com/discourse/discourse.git
synced 2024-12-14 06:06:29 +08:00
30990006a9
This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging
64 lines
1.5 KiB
Ruby
64 lines
1.5 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class StylesheetCache < ActiveRecord::Base
|
|
self.table_name = 'stylesheet_cache'
|
|
|
|
MAX_TO_KEEP = 50
|
|
|
|
def self.add(target, digest, content, source_map, max_to_keep: nil)
|
|
max_to_keep ||= MAX_TO_KEEP
|
|
old_logger = ActiveRecord::Base.logger
|
|
|
|
return false if where(target: target, digest: digest).exists?
|
|
|
|
if Rails.env.development?
|
|
ActiveRecord::Base.logger = nil
|
|
end
|
|
|
|
success = create(target: target, digest: digest, content: content, source_map: source_map)
|
|
|
|
count = StylesheetCache.count
|
|
if count > max_to_keep
|
|
|
|
remove_lower = StylesheetCache
|
|
.where(target: target)
|
|
.limit(max_to_keep)
|
|
.order('id desc')
|
|
.pluck(:id)
|
|
.last
|
|
|
|
DB.exec(<<~SQL, id: remove_lower, target: target)
|
|
DELETE FROM stylesheet_cache
|
|
WHERE id < :id AND target = :target
|
|
SQL
|
|
end
|
|
|
|
success
|
|
rescue ActiveRecord::RecordNotUnique
|
|
false
|
|
ensure
|
|
if Rails.env.development? && old_logger
|
|
ActiveRecord::Base.logger = old_logger
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
# == Schema Information
|
|
#
|
|
# Table name: stylesheet_cache
|
|
#
|
|
# id :integer not null, primary key
|
|
# target :string not null
|
|
# digest :string not null
|
|
# content :text not null
|
|
# created_at :datetime not null
|
|
# updated_at :datetime not null
|
|
# theme_id :integer default(-1), not null
|
|
# source_map :text
|
|
#
|
|
# Indexes
|
|
#
|
|
# index_stylesheet_cache_on_target_and_digest (target,digest) UNIQUE
|
|
#
|