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require 'faraday'
module Moneta
module Adapters
# Moneta rest client backend which works together with {Rack::MonetaRest}
# @api public
class RestClient < Adapter
# @!method initialize(options = {})
# @param [Hash] options
# @option options [String] :url URL
# @option options [Symbol] :adapter The adapter to tell Faraday to use
# @option options [Faraday::Connection] :backend Use existing backend instance
# @option options Other options passed to {Faraday::new} (unless
# :backend option is provided).
backend do |url:, adapter: nil, **options|
::Faraday.new(url, options) do |faraday|
faraday.adapter adapter if adapter
end
end
# (see Proxy#key?)
def key?(key, options = {})
backend.head(key).status == 200
end
# (see Proxy#load)
def load(key, options = {})
response = backend.get(key)
response.status == 200 ? response.body : nil
end
# (see Proxy#store)
def store(key, value, options = {})
response = backend.post(key, value)
raise "HTTP error #{response.status}" unless response.status == 200
value
end
# (see Proxy#delete)
def delete(key, options = {})
response = backend.delete(key)
response.status == 200 ? response.body : nil
end
# (see Proxy#clear)
def clear(options = {})
backend.delete ''
self
end
end
end
end
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