class CFB::ErrorMiddleware

Public Class Methods

new(app) click to toggle source
Calls superclass method
# File lib/cfb_api/middleware.rb, line 28
def initialize(app)
  super app
  @parser = nil
end

Public Instance Methods

call(env) click to toggle source
# File lib/cfb_api/middleware.rb, line 7
def call(env)
  @app.call(env).on_complete do |response|
    case response[:status].to_i
    when 400
      raise CFB::BadRequest, error_message_400(response)
    when 404
      raise CFB::NotFound, error_message_400(response)
    when 429
      raise CFB::TooManyRequests, error_message_400(response)
    when 500
      raise CFB::InternalServerError, error_message_500(response, 'Something is technically wrong.')
    when 502
      raise CFB::BadGateway, error_message_500(response, 'The server returned an invalid or incomplete response.')
    when 503
      raise CFB::ServiceUnavailable, error_message_500(response, 'Your requests are rate limited.')
    when 504
      raise CFB::GatewayTimeout, error_message_500(response, '504 Gateway Time-out')
    end
  end
end

Private Instance Methods

error_body(body) click to toggle source
# File lib/cfb_api/middleware.rb, line 39
def error_body(body)
  # body gets passed as a string, not sure if it is passed as something else from other spots?
  if !body.nil? && !body.empty? && body.is_a?(String)
    # removed multi_json thanks to wesnolte's commit
    body = ::JSON.parse(body)
  end

  if body.nil?
    nil
  elsif body['meta'] && body['meta']['error_message'] && !body['meta']['error_message'].empty?
    ": #{body['meta']['error_message']}"
  elsif body['error_message'] && !body['error_message'].empty?
    ": #{body['error_type']}: #{body['error_message']}"
  end
end
error_message_400(response) click to toggle source
# File lib/cfb_api/middleware.rb, line 35
def error_message_400(response)
  "#{response[:method].to_s.upcase} #{response[:url]}: #{response[:status]}#{error_body(response[:body])}"
end
error_message_500(response, body = nil) click to toggle source
# File lib/cfb_api/middleware.rb, line 55
def error_message_500(response, body = nil)
  "#{response[:method].to_s.upcase} #{response[:url]}: #{[response[:status].to_s + ':', body].compact.join(' ')}"
end