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# Interface to the Redis-backed cache store used by the Repository model
class RepositoryCache
attr_reader :namespace, :backend
def initialize(namespace, backend = Rails.cache)
@namespace = namespace
@backend = backend
end
def cache_key(type)
"#{type}:#{namespace}"
end
def expire(key)
backend.delete(cache_key(key))
end
def fetch(key, &block)
backend.fetch(cache_key(key), &block)
end
def exist?(key)
backend.exist?(cache_key(key))
end
def read(key)
backend.read(cache_key(key))
end
end
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