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# frozen_string_literal: true
module Gitlab
module MarkdownCache
module Redis
class Store
EXPIRES_IN = 1.day
def self.bulk_read(subjects)
results = {}
data = Gitlab::Redis::Cache.with do |r|
Gitlab::Instrumentation::RedisClusterValidator.allow_cross_slot_commands do
Gitlab::Redis::CrossSlot::Pipeline.new(r).pipelined do |pipeline|
subjects.each do |subject|
new(subject).read(pipeline)
end
end
end
end
# enumerate data
data.each_with_index do |elem, idx|
results[subjects[idx].cache_key] = elem
end
results
end
def initialize(subject)
@subject = subject
@loaded = false
end
def save(updates)
@loaded = false
with_redis do |r|
r.mapped_hmset(markdown_cache_key, updates)
r.expire(markdown_cache_key, EXPIRES_IN)
end
end
def read(pipeline = nil)
@loaded = true
if pipeline
pipeline.mapped_hmget(markdown_cache_key, *fields)
else
with_redis do |r|
r.mapped_hmget(markdown_cache_key, *fields)
end
end
end
def loaded?
@loaded
end
private
def fields
@fields ||= @subject.cached_markdown_fields.html_fields + [:cached_markdown_version]
end
def markdown_cache_key
unless @subject.respond_to?(:cache_key)
raise Gitlab::MarkdownCache::UnsupportedClassError,
"This class has no cache_key to use for caching"
end
"markdown_cache:#{@subject.cache_key}"
end
def with_redis(&block)
Gitlab::Redis::Cache.with(&block) # rubocop:disable CodeReuse/ActiveRecord
end
end
end
end
end
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