Class: Uncaught::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/uncaught/integrations/rails.rb

Overview

Rack middleware for Rails / Rack applications.

  • Adds an HTTP breadcrumb for every request.

  • Captures unhandled exceptions and re-raises them.

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



25
26
27
28
 
# File 'lib/uncaught/integrations/rails.rb', line 25

def initialize(app)
  @app = app
  @client = Uncaught.client
end

Instance Method Details

#call(env) ⇒ Object 



30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
 
# File 'lib/uncaught/integrations/rails.rb', line 30

def call(env)
  # Refresh client reference in case it was reconfigured.
  @client = Uncaught.client if @client.nil?

  if @client
    @client.add_breadcrumb(
      type: "api_call",
      category: "http",
      message: "#{env['REQUEST_METHOD']} #{env['PATH_INFO']}"
    )
  end

  @app.call(env)
rescue => e
  if @client
    request_info = RequestInfo.new(
      method: env["REQUEST_METHOD"],
      url: env["REQUEST_URI"] || env["PATH_INFO"]
    )
    @client.capture_error(e, request: request_info)
  end
  raise
end