discourse/app/serializers/application_serializer.rb

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# frozen_string_literal: true
require 'distributed_cache'
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class ApplicationSerializer < ActiveModel::Serializer
embed :ids, include: true
class CachedFragment
def initialize(json)
@json = json
end
def as_json(*_args)
@json
end
end
def self.expire_cache_fragment!(name_or_regexp)
case name_or_regexp
when String
fragment_cache.delete(name_or_regexp)
when Regexp
fragment_cache.hash.keys
.select { |k| k =~ name_or_regexp }
.each { |k| fragment_cache.delete(k) }
end
end
def self.fragment_cache
@cache ||= DistributedCache.new("am_serializer_fragment_cache")
end
protected
def cache_fragment(name, &block)
ApplicationSerializer.fragment_cache.defer_get_set(name, &block)
end
def cache_anon_fragment(name, &blk)
if scope.anonymous?
cache_fragment(name, &blk)
else
blk.call
end
end
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end