Sha256: 450ac1648d4543482474916e0ca0f622d0c0ece2bd546b93ca99cbd88402b035
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Versions: 7
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Stored size: 1.79 KB
Contents
require 'rack'
module Acme
class Application
def call(env)
request = Rack::Request.new(env)
router.route!(request)
end
def router
Router.new(
'/' => { controller: controllers[:health], action: :check },
'/health' => { controller: controllers[:health], action: :check },
'/basic/fibonacci' => { controller: controllers[:basic], action: :fibonacci },
'/basic/default' => { controller: controllers[:basic], action: :default }
)
end
def controllers
{
basic: Controllers::Basic.new,
health: Controllers::Health.new
}
end
end
class Router
attr_reader :routes
def initialize(routes)
@routes = routes
end
def route!(request)
begin
if route = routes[request.path]
route[:controller].send(route[:action], request)
else
not_found(request)
end
rescue StandardError => e
application_error(request, e)
end
end
def not_found(request)
[404, { 'Content-Type' => 'text/plain' }, ["404 Not Found: #{request.path}"]]
end
def application_error(request, error)
[500, { 'Content-Type' => 'text/plain' }, ["500 Application Error: #{error.message} Location: #{error.backtrace.first(3)}"]]
end
end
module Controllers
class Basic
def fibonacci(request)
n = rand(25..35)
result = fib(n)
['200', { 'Content-Type' => 'text/plain' }, ["Basic: Fibonacci(#{n}): #{result}"]]
end
def default(request)
['200', { 'Content-Type' => 'text/plain' }, ['Basic: Default']]
end
private
def fib(n)
n <= 1 ? n : fib(n-1) + fib(n-2)
end
end
class Health
def check(request)
['204', {}, []]
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems