Module: Yake::API::DSL

Defined in:
lib/yake/api.rb

Overview

Yake API DSL

Instance Method Summary collapse

Instance Method Details

#header(headers) ⇒ Object

Set default header



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# File 'lib/yake/api.rb', line 56

def header(headers)
  (@headers ||= {}).update(headers)
end

#respond(status_code, body = nil, **headers) ⇒ Object

Transform to API Gateway response



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# File 'lib/yake/api.rb', line 36

def respond(status_code, body = nil, **headers)
  # Log response
  log = "RESPONSE [#{status_code}] #{body}"
  Yake.logger&.send(status_code.to_i >= 400 ? :error : :info, log)

  # Set headers
  content_length = (body&.bytesize || 0).to_s
  to_s_downcase  = ->(key) { key.to_s.downcase }
  headers = {
    'content-length' => content_length,
    **(@headers || {}),
    **headers
  }.transform_keys(&to_s_downcase).compact

  # Send response
  { statusCode: status_code, headers:, body: }.compact
end

#route(event, context = nil) ⇒ Object

Proxy handler for HTTP requests from API Gateway

Raises:



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# File 'lib/yake/api.rb', line 15

def route(event, context = nil)
  # Extract route method
  method = event['routeKey']
  raise Yake::Errors::UndeclaredRoute, method unless respond_to?(method)

  # Normalize headers
  event['headers']&.transform_keys!(&:downcase)

  # Decode body if Base64-encoded
  if event['isBase64Encoded']
    body = event['body'].unpack1('m0')
    event.update('body' => body, 'isBase64Encoded' => false)
  end

  # Execute request
  res = send(method, event, context)
  block_given? ? yield(res) : res
end