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Contents
module Typhoeus
module Cache
# This module provides a simple way to cache HTTP responses in Redis.
class Redis
# @example Set Redis as the Typhoeus cache backend
# Typhoeus::Config.cache = Typhoeus::Cache::Redis.new
#
# @param [ Redis ] redis
# A connection to Redis. Defaults to `Redis.new`, which uses the
# `REDIS_URL` environment variable to connect
# @param [ Integer ] default_ttl
# The default TTL of cached responses in seconds, for requests which do not set a cache_ttl.
def initialize(redis = ::Redis.new, options = {})
@redis = redis
@default_ttl = options[:default_ttl]
end
def get(request)
serialized_response = @redis.get(request.cache_key)
return unless serialized_response
Marshal.load(serialized_response)
end
def set(request, response)
ttl = request.cache_ttl || @default_ttl
key = request.cache_key
serialized_response = Marshal.dump(response)
@redis.set(key, serialized_response)
@redis.expire(key, ttl) if ttl
end
end
end
end
Version data entries
20 entries across 19 versions & 6 rubygems