Class: Toggly::Rails::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/toggly/rails/middleware.rb

Overview

Rack middleware for request-scoped Toggly context.

Stores the evaluation context in the request environment for access throughout the request lifecycle.

Constant Summary collapse

CONTEXT_KEY =

Environment key for storing the context

"toggly.context"
USER_KEY = 
"toggly.current_user"

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/toggly/rails/middleware.rb', line 14

def initialize(app)
  @app = app
end

Class Method Details

.context(env) ⇒ Toggly::Context?

Get the current context from the request environment

Parameters:

  • env (Hash) —

    Rack environment

Returns:

  • (Toggly::Context, nil) 


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# File 'lib/toggly/rails/middleware.rb', line 35

def context(env)
  env[CONTEXT_KEY]
end

.set_context(env, context) ⇒ Toggly::Context

Set the current context in the request environment

Parameters:

  • env (Hash) —

    Rack environment

  • context (Toggly::Context) —

    Context to set

Returns:

  • (Toggly::Context) 


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# File 'lib/toggly/rails/middleware.rb', line 44

def set_context(env, context)
  env[CONTEXT_KEY] = context
end

.set_user(env, user) ⇒ Object

Set the current user for context building

Parameters:

  • env (Hash) —

    Rack environment

  • user (Object) —

    Current user

Returns:

  • (Object) 


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# File 'lib/toggly/rails/middleware.rb', line 53

def set_user(env, user)
  env[USER_KEY] = user
end

.user(env) ⇒ Object?

Get the current user from the request environment

Parameters:

  • env (Hash) —

    Rack environment

Returns:

  • (Object, nil) 


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# File 'lib/toggly/rails/middleware.rb', line 61

def user(env)
  env[USER_KEY]
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/toggly/rails/middleware.rb', line 18

def call(env)
  # Clear any existing context at the start of the request
  env.delete(CONTEXT_KEY)
  env.delete(USER_KEY)

  @app.call(env)
ensure
  # Clean up after request
  env.delete(CONTEXT_KEY)
  env.delete(USER_KEY)
end