Invalidate cached matcher objects on KeywordMute commit. #164.

This commit is contained in:
David Yip 2017-10-15 02:52:53 -05:00
parent 693c66dfde
commit b4b657eb1d

View file

@ -15,16 +15,24 @@ class KeywordMute < ApplicationRecord
validates_presence_of :keyword validates_presence_of :keyword
def self.matcher_for(account) after_commit :invalidate_cached_matcher
Rails.cache.fetch("keyword_mutes:matcher:#{account}") { Matcher.new(account) }
def self.matcher_for(account_id)
Rails.cache.fetch("keyword_mutes:matcher:#{account_id}") { Matcher.new(account_id) }
end
private
def invalidate_cached_matcher
Rails.cache.delete("keyword_mutes:matcher:#{account_id}")
end end
class Matcher class Matcher
attr_reader :regex attr_reader :regex
def initialize(account) def initialize(account_id)
re = [].tap do |arr| re = [].tap do |arr|
KeywordMute.where(account: account).select(:keyword, :id).find_each do |m| KeywordMute.where(account_id: account_id).select(:keyword, :id).find_each do |m|
arr << Regexp.escape(m.keyword.strip) arr << Regexp.escape(m.keyword.strip)
end end
end.join('|') end.join('|')