module Kybus::Server::GrapeDecorator

Descorator for using grape with kybus. This will implement:

Constants

HTTP_CODES

Public Class Methods

configure_custom_exceptions(base) click to toggle source
# File lib/kybus/server/grape.rb, line 31
def self.configure_custom_exceptions(base)
  Server::Response.resources(:exceptions).each do |exception_class, level|
    base.rescue_from(exception_class) do |ex|
      response = Kybus::Server::GrapeDecorator.handler.call(env, level, ex)
      http_code = Kybus::Server::GrapeDecorator.extract_http_code(ex, level)
      error!(response, http_code)
    end
  end
end
configure_global_exception_handler(base) click to toggle source

:nocov: #

# File lib/kybus/server/grape.rb, line 52
def self.configure_global_exception_handler(base)
  base.rescue_from(:all) do |ex|
    level = :fatal
    response = Kybus::Server::GrapeDecorator.handler.call(env, level, ex)
    http_code = Kybus::Server::GrapeDecorator.extract_http_code(ex, level)
    error!(response, http_code)
  end
end
configure_grape_exceptions(base) click to toggle source

:nocov: #

# File lib/kybus/server/grape.rb, line 42
def self.configure_grape_exceptions(base)
  base.rescue_from(Grape::Exceptions::Base) do |ex|
    ant_ex = Kybus::Exceptions::AntFail.new(ex.message)
    response = Kybus::Server::GrapeDecorator
               .handler.call(env, :fail, ant_ex)
    error!(response, 400)
  end
end
configure_handlers(base) click to toggle source
# File lib/kybus/server/grape.rb, line 61
def self.configure_handlers(base)
  configure_custom_exceptions(base)
  configure_grape_exceptions(base)
  configure_global_exception_handler(base)
end
configure_logger(base) click to toggle source
# File lib/kybus/server/grape.rb, line 77
def self.configure_logger(base)
  base.before do
    params[:__init_time] = Time.now
  end
  base.after do
    params = env['api.endpoint'].params
    request = env['api.endpoint'].request
    pkg = RequestResponse.new(request: request, params: params)
    Server::Response.logger.access(pkg)
  end
end
extract_http_code(exception, level) click to toggle source
# File lib/kybus/server/grape.rb, line 26
def self.extract_http_code(exception, level)
  default = HTTP_CODES[level] || 500
  exception.respond_to?(:http_code) ? exception.http_code : default
end
handler() click to toggle source
# File lib/kybus/server/grape.rb, line 11
def self.handler
  lambda do |env, level, ex|
    params = env['api.endpoint'].params
    request = env['api.endpoint'].request
    pkg = RequestResponse.new(request: request, params: params)
    pkg.exception = ex
    Server::Response.logger.send(level, pkg)
    Server::Response.format.send(level, pkg)
  end
end
included(base) click to toggle source
# File lib/kybus/server/grape.rb, line 67
def self.included(base)
  base.formatter(:json, lambda do |response, _|
    pkg = RequestResponse.new(request: {}, params: {})
    pkg.result = response
    Server::Response.format.send(:success, pkg).to_json
  end)
  configure_logger(base)
  configure_handlers(base)
end