Sha256: a02cb2031e9c0982bed9a49e9826f9d67d60628f8ac60481beea0784b7885c58
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Versions: 6
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Contents
module Jets::Controller::Rack
class Adapter
extend Memoist
# Returns back API Gateway response hash structure
def self.process(event, context, meth)
adapter = new(event, context, meth)
adapter.process
end
def initialize(event, context, meth)
@event, @context, @meth = event, context, meth
end
# 1. Convert API Gateway event event to Rack env
# 2. Process using full Rack middleware stack
# 3. Convert back to API gateway response structure payload
def process
status, headers, body = Jets.application.call(env)
convert_to_api_gateway(status, headers, body)
end
def env
Env.new(@event, @context).convert # convert to Rack env
end
memoize :env
# Transform the structure to AWS_PROXY compatiable structure
# http://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html#api-gateway-simple-proxy-for-lambda-output-format
def convert_to_api_gateway(status, headers, body)
base64 = headers["x-jets-base64"] == 'true'
body = body.respond_to?(:read) ? body.read : body
{
"statusCode" => status,
"headers" => headers,
"body" => body,
"isBase64Encoded" => base64,
}
end
# Called from Jets::Controller::Base.process. Example:
#
# adapter.rack_vars(
# 'jets.controller' => self,
# 'lambda.context' => context,
# 'lambda.event' => event,
# 'lambda.meth' => meth,
# )
#
# Passes a these special variables so we have access to them in the middleware.
# The controller instance is called in the Main middleware.
# The lambda.* info is used by the Rack::Local middleware to create a mimicked
# controller for the local server.
#
def rack_vars(vars)
env.merge!(vars)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems