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# frozen_string_literal: true
# Interface to the Redis-backed cache store
module Gitlab
class RepositoryCache
attr_reader :repository, :namespace, :backend
def initialize(repository, extra_namespace: nil, backend: Rails.cache)
@repository = repository
@namespace = "#{repository.full_path}:#{repository.project.id}"
@namespace = "#{@namespace}:#{extra_namespace}" if extra_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
def write(key, value)
backend.write(cache_key(key), value)
end
def fetch_without_caching_false(key, &block)
value = read(key)
return value if value
value = yield
# Don't cache false values
write(key, value) if value
value
end
end
end
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