lib/her/middleware/json_api_parser.rb
module Her
module Middleware
# This middleware expects the resource/collection data to be contained in the `data`
# key of the JSON object
class JsonApiParser < ParseJSON
# Parse the response body
#
# @param [String] body The response body
# @return [Mixed] the parsed response
# @private
def parse(body)
json = parse_json(body)
{
:data => json[:data] || {},
:errors => json[:errors] || [],
:metadata => json[:meta] || {},
}
end
# This method is triggered when the response has been received. It modifies
# the value of `env[:body]`.
#
# @param [Hash] env The response environment
# @private
def on_complete(env)
env[:body] = case env[:status]
when 204, 304
parse('{}')
else
parse(env[:body])
end
end
end
end
end