Class: WorklessChecker

Inherits:
Object
  • Object
show all
Defined in:
lib/workless/middleware/workless_checker.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ WorklessChecker

Returns a new instance of WorklessChecker.



4
5
6
 
# File 'lib/workless/middleware/workless_checker.rb', line 4

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



8
9
10
11
12
13
14
15
 
# File 'lib/workless/middleware/workless_checker.rb', line 8

def call(env)
  status, headers, response = @app.call(env)
  return [status, headers, response] if file?(headers) || empty?(response)

  Delayed::Job.scaler.up unless Delayed::Job.scaler.jobs.empty?

  [status, headers, response]
end

#empty?(response) ⇒ Boolean

fix issue if response’s body is a Proc

Returns:

  • (Boolean) 


18
19
20
21
22
23
24
 
# File 'lib/workless/middleware/workless_checker.rb', line 18

def empty?(response)
  # response may be ["Not Found"], ["Move Permanently"], etc.
  (response.is_a?(Array) && response.size <= 1) ||
    !response.respond_to?(:body) ||
    !response.body.respond_to?(:empty?) ||
    response.body.empty?
end

#file?(headers) ⇒ Boolean

if send file?

Returns:

  • (Boolean) 


27
28
29
 
# File 'lib/workless/middleware/workless_checker.rb', line 27

def file?(headers)
  headers['Content-Transfer-Encoding'] == 'binary'
end