Class: Jets::Controller::Middleware::Local
- Inherits:
-
Object
- Object
- Jets::Controller::Middleware::Local
show all
- Extended by:
- Memoist
- Defined in:
- lib/jets/controller/middleware/local/api_gateway.rb,
lib/jets/controller/middleware/local.rb,
lib/jets/controller/middleware/local/route_matcher.rb,
lib/jets/controller/middleware/local/mimic_aws_call.rb
Overview
Takes a Rack env and converts to ApiGateway event
Defined Under Namespace
Classes: ApiGateway, MimicAwsCall, RouteMatcher
Instance Method Summary
collapse
Constructor Details
#initialize(app) ⇒ Local
Returns a new instance of Local.
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# File 'lib/jets/controller/middleware/local.rb', line 8
def initialize(app)
@app = app
end
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Instance Method Details
#call(env) ⇒ Object
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# File 'lib/jets/controller/middleware/local.rb', line 12
def call(env)
route = RouteMatcher.new(env).find_route
unless route
return [404, {'Content-Type' => 'text/html'}, not_found(env)]
end
mimic = MimicAwsCall.new(route, env)
@controller, @meth, @event = mimic.controller, mimic.meth, mimic.event
if route.to == 'jets/rack#process' status, , body = @controller.dispatch! .delete "transfer-encoding"
[status, , body]
elsif polymorphic_function?
run_polymophic_function
else mimic_aws_lambda!(env, mimic.vars) unless on_aws?(env)
@app.call(env)
end
end
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#mimic_aws_lambda!(env, vars) ⇒ Object
Modifies env the in the same way real call from AWS lambda would modify env
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# File 'lib/jets/controller/middleware/local.rb', line 63
def mimic_aws_lambda!(env, vars)
env.merge!(vars)
env
end
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#not_found(env) ⇒ Object
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# File 'lib/jets/controller/middleware/local.rb', line 83
def not_found(env)
message = routes_error_message(env)
body = <<~HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Route not found</title>
</head>
<body>
#{message}
</body>
</html>
HTML
StringIO.new(body)
end
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#on_aws?(env) ⇒ Boolean
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# File 'lib/jets/controller/middleware/local.rb', line 68
def on_aws?(env)
return false if ENV['TEST'] on_cloud9 = !!(env['HTTP_HOST'] =~ /cloud9\..*\.amazonaws\.com/)
!!env['HTTP_X_AMZN_TRACE_ID'] && !on_cloud9
end
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#polymorphic_function ⇒ Object
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# File 'lib/jets/controller/middleware/local.rb', line 47
def polymorphic_function
Jets::PolyFun.new(@controller.class, @meth)
end
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#polymorphic_function? ⇒ Boolean
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# File 'lib/jets/controller/middleware/local.rb', line 43
def polymorphic_function?
polymorphic_function.task.lang != :ruby
end
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#routes_error_message(env) ⇒ Object
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# File 'lib/jets/controller/middleware/local.rb', line 74
def routes_error_message(env)
message = "<h2>404 Error: Route #{env['PATH_INFO'].sub('/','')} not found</h2>"
if Jets.env != "production"
message << "<p>Here are the routes defined in your application:</p>"
message << "#{routes_table}"
end
message
end
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#routes_table ⇒ Object
Show pretty route table for user to help with debugging in non-production mode
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# File 'lib/jets/controller/middleware/local.rb', line 101
def routes_table
routes = Jets::Router.routes
return "Your routes table is empty." if routes.empty?
text = "Verb | Path | Controller#action\n"
text << "--- | --- | ---\n"
routes.each do |route|
text << "#{route.method} | #{route.path} | #{route.to}\n"
end
html = Kramdown::Document.new(text).to_html
puts html
html
end
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#run_polymophic_function ⇒ Object
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# File 'lib/jets/controller/middleware/local.rb', line 54
def run_polymophic_function
resp = polymorphic_function.run(@event, @meth) status = resp['statusCode']
= resp['headers']
body = StringIO.new(resp['body'])
[status, , body] end
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