Class: RequestStoreRails::Middleware

Inherits:

Object

• Object
• RequestStoreRails::Middleware

Defined in:

lib/request_store_rails/middleware.rb

Overview

Public: Middleware that takes care of setting a thread-local variable, which enables RequestLocals to associate threads with the store for a request.

Instance Method Summary

• #call(env) ⇒ Object

  Internal: Assigns a thread-local variable to identify the current store, and cleans up all the variables stored for the request once it finishes.

• #initialize(app) ⇒ Middleware constructor

  A new instance of Middleware.

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.

# File 'lib/request_store_rails/middleware.rb', line 9

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object

Internal: Assigns a thread-local variable to identify the current store, and cleans up all the variables stored for the request once it finishes.

# File 'lib/request_store_rails/middleware.rb', line 15

def call(env)
  RequestLocals.set_current_store_id(extract_request_id(env))
  @app.call(env)
ensure
  RequestLocals.clear!
  RequestLocals.set_current_store_id(nil)
end